A repairing method for a shaped object includes: preparing a defective portion part to be attached to a defective portion in a repair target shaped object; creating a repair patch which is an attachment member to be attached to at least one part of the repair target shaped object; and attaching the repair patch to cover at least one part of a boundary portion of the repair target shaped object and the defective portion part; where at least one part of the repair target shaped object is colored. The repair patch including a colored layer and an adhesive layer is created using a shaping device capable of shaping a shaped object colored by a layered shaping method, and the colored layer is colored and formed in accordance with a color of a portion covered by the repair patch in a shaped object.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
An ink supplying device includes: an attachment unit to which a cartridge for storing ink to be supplied to an inkjet head of a printing apparatus is attached and in which an internal flow path is formed for the ink stored in the cartridge to flow; an external tube that is connected to the internal flow path of the attachment unit and circulates the ink; and a base portion that supports the attachment unit and a part of the external tube. The attachment unit is supported by the base portion so as to be rotatable in a direction around a predetermined central axis. The external tube is disposed in a curved state from a connecting portion connected to the internal flow path to a supported portion supported by the base portion and is provided such that the curved state changes in accordance with the rotation of the attachment unit.
A method for manufacturing a sintered product from a three-dimensional object as a solution includes: a preparation step S11, a degreasing step S12, and a sintering step S13. In S11, a multilayer made of an ink containing inorganic particles and an organic material is formed to prepare a three-dimensional object. S12 includes: a first degreasing step of heating the three-dimensional object under an inert gas atmosphere at a first average degreasing temperature (T1) for a first heating time to degrease the organic material; and a second degreasing step of heating the three-dimensional object degreased in the first degreasing step, under an inert gas atmosphere at a second average degreasing temperature (T2) higher than Ti for a second heating time to degrease the organic material. In S13, the three-dimensional object degreased in the second degreasing step is sintered at an average sintering temperature higher than T2 to obtain a sintered product.
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
4.
INKJET PRINTER AND METHOD OF CONTROLLING INKJET PRINTER
An inkjet printer that includes an inkjet head in which a plurality of ink flow paths are formed is provided. In this inkjet printer, a plurality of nozzles from which ink is ejected and a plurality of ink flow paths to which the plurality of nozzles 0 are connected are formed in an inkjet head. The inkjet head includes a plurality of ejection energy generation elements that make the plurality of respective nozzles eject ink. Based on an ink flow rate which is a flow rate of ink flowing into each of the plurality of ink flow paths and internal temperature or external temperature of the inkjet head, a controller of the inkjet printer estimates the ink temperature in each of the plurality of ink flow paths, and controls drive voltage applied to the plurality of ejection energy generation elements based on the result of the estimation.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
5.
PRINTING SYSTEM, PROCESS MANAGEMENT DEVICE, AND PRINTING METHOD
A printing system 10 configured to generate a product of printing includes: a coater 14 that is a pretreatment machine configured to execute a pretreatment process of performing a predetermined pretreatment on a medium that is a target of the printing; a printer 16 that is a printing device configured to execute a print process of performing the printing by ejecting ink onto the medium after the pretreatment performed by the coater 14; and a controller 12 that is a process management device configured to propose a condition for the pretreatment process based on a condition for the product to be generated.
B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
An inkjet printing apparatus includes an inkjet head that moves in a main scanning direction at the time of printing; a filter chamber provided on a path for supplying ink to a nozzle hole (nozzle) in the inkjet head; and a spherical body placed on a head filter in the filter chamber. The spherical body has a diameter φ larger than the mesh of the head filter. The spherical body is disposed on the head filter so as to be rollable by the movement of the inkjet head.
A printing apparatus that performs printing through an inkjet method includes an inkjet head and an ink supply system, where the ink supply system includes a pressure damper that is a pressure adjustment mechanism, a flow path that is a container-side flow path, and a connecting member in which a flow path that is a head-side flow path for flowing ink from the pressure damper to the inkjet head is formed, the pressure damper supplies ink adjusted to a pressure in a predetermined range lower than atmospheric pressure from an output port that is a pressure adjustment mechanism outlet to the flow path, and a flow path cross-sectional area of at least one part of the flow path in the connecting member is larger than a flow path cross-sectional area of the output port.
The disclosure optimizes suction force. An inkjet printing apparatus (1) includes a suction table (2) having a placement surface (21a) for the medium (M); a blower (52) that generates a suction force on the placement surface (21a); and a control device (55) that controls a suction force generated by the blower (52). The control device (55) includes a switcher (553) that switches the suction force to generate, where when the medium (M) is placed on the placement surface (21a), the switcher (553) drives the blower (52) at a first output level to generate a first suction force, and suctions the medium (M) placed on the placement surface (21a). Thereafter, the blower (52) is driven at the second output level lower than the first output level to generate the second suction force weaker than the first suction force, thereby suctioning the medium M placed on the placement surface (21a).
An inkjet printing apparatus 1 includes an ink-jet head 23 that ejects UV curable ink to a medium M, an irradiation lamp 25 that irradiates the UV curable ink ejected to the medium M with ultraviolet rays, and a heater 37 that heats the UV curable ink after the ultraviolet ray irradiation by the irradiation lamp 25 and thereby stabilizes color fixation of the UV curable ink. The UV curable ink after the ultraviolet ray irradiation is heated at least at 35° C.
A controller 10 activates a heater 21 when a temperature detected by a temperature sensor 13 for detecting a temperature of ink becomes lower than a first reference temperature Ta lower than the appropriate ink ejection temperature Ta at the time of printing pause in which printing is paused. After the heater 21 is activated, when the temperature detected by the temperature sensor 13 exceeds a predetermined second reference temperature T2 that is higher than the first reference temperature T1 and lower than the appropriate ink ejection temperature Ta, the controller 10 moves the inkjet head to the maintenance region and forcibly discharges ink from the inkjet head in the maintenance region.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
11.
INKJET PRINTER AND METHOD FOR CONTROLLING INKJET PRINTER
[Object] To appropriately warm ink.
[Object] To appropriately warm ink.
[Solving Means] An inkjet printer 1 includes an inkjet head 3 and an ink warming mechanism 12. The ink warming mechanism 12 includes a warming part main body 21; an ink flow path 21a formed inside the warming part main body 21; a heater 22 that is attached to the warming part main body 21 and heats the warming part main body 21; a warming part temperature sensor 23 that is attached to the warming part main body 21 and detects a temperature of the warming part main body 21; and a heater controller 4 that controls the heater 22. The heater controller 24 controls the heater 22 based on the detection result of the warming part temperature sensor 23 so that the temperature of the warming part main body 21 becomes a predetermined reference temperature.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A shaping device shaping an object by forming and layering each layer based on slice images indicating cross-sectional shapes and color arrangements of the object include: a color ink ejection position determining means determining presence/absence of ejection of each ink of colors for coloring to each ejection position constituting the layer based on the slice image corresponding to the layer; a clear ink ejection position determining means determining necessity of ejection of a clear ink to each ejection position based on presence/absence of ejection of ink of each color for coloring to each ejection position determined in the color ink ejection position determining means; and a layer forming means causing a color ink head and the clear ink head to eject ink of each color and the clear ink to each ejection position as determined by the color ink ejection position and clear ink ejection position determining means.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
A molding device includes a color inkjet head that ejects a color ink, and a clear inkjet head that ejects a clear ink. The color ink is ejected from the color inkjet head and layered to color and form a molded object, and the clear ink is ejected from the clear inkjet head to compensate the layering amount of the color ink. The molding device includes an input part that inputs the compensation amount of the clear ink such that the impact frequency of the clear ink becomes low at a place where the impact frequency of the color ink in coloring and forming the molded object is high, and the impact frequency of the clear ink becomes high at a place where the impact frequency of the color ink is low for each layer forming the molded object.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
The disclosure more appropriately creates a product of printing closer to the target state. A printing system (10) that creates a product of printing includes a printer (16) that is a printing apparatus that executes a printing step, a steaming machine (18) that is a device for a predetermined step that is a device that executes a predetermined step, and a control device (12); where the control device (12) acquires printed matter information that is information indicating a state of a printed matter obtained by performing the printing step by the printer (16), and adjusts a condition of a step to be executed in the steaming machine (18) based on information indicating a state of the target product and the printed matter information such that a product in a state closer to a state indicated by target product information is obtained.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
15.
PRINTING SYSTEM, CONTROL DEVICE, AND PRINTING METHOD
The disclosure more appropriately determines a condition of a step executed at the time of creating a product of printing. A printing system (10) that creates a product of printing by performing at least printing includes a printer (16) which is a printing apparatus that executes a printing step of performing printing by ejecting ink; a washing machine (20) which is a post-processing machine that executes a post-processing step on a printed matter obtained by performing the printing step in the printer (16); and a control device (12) that determines a condition of a post-processing step based on a condition of the printing step.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
A shaping apparatus includes an inkjet head forming one shaped layer by performing multiple main scans of ejecting an ink droplet of a curable ink that cures according to light of a predetermined wavelength toward a shaping table while reciprocating in a main scanning direction; a light source provided at least at one position on a front side in a forward or return direction in the main scan with respect to the inkjet head and irradiating an ink dot formed by the ink droplet with light; and a flattening unit flattening an upper surface of the ink dot. A shaped object is formed by layering the shaped layer. In the shaping apparatus, the ink dot is flatted by the flattening roller in the return movement without completely curing the ink dot by controlling the on/off state or illuminance of the light source during at least one of the main scans.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
Since ink is not heated at a protrusion connecting an ink supplying device and a print head chip or the like, the viscosity of the ink increases, and the fluidity may not be maintained in some cases. An inkjet printer 1 for solving the above problem includes an inkjet head 300 that ejects ink; a protrusion 310 provided to protrude from the inkjet head 300 and configured to circulate the ink to the inkjet head 300; and an ink flow path portion 6 that supplies the ink to the protrusion 310; where the ink flow path portion 6 includes an ink warming block 200 that heats the ink, and a conducting portion 210 that is formed in the ink warming block 200 itself or separately from the ink warming block 200 and through which heat from the ink warming block 200 is conducted is adjacently disposed outside the protrusion 310.
A tube pump that sends a fluid includes a tube, a roller, and a roller holder. In the roller holder, a guide groove is formed that receives a shaft of the roller and defines a range in which the roller is movable with respect to the roller holder. The roller holder has an inner side surface and an outer side surface as surfaces defining the guide groove in the roller holder. The inner side surface has a protrusion protruding toward the outer side surface.
A raised shape is appropriately formed on a medium. A printing device 10 includes inkjet heads 102y to 102k that are a plurality of color ink heads, an inkjet head 102w that is a light reflective ink head, and a controller 30. The controller 30 causes the inkjet heads 102y to 102k and the inkjet head 102w to form a layered ink region and an image region on the medium 50. The layered ink region is a region including a plurality of colored regions (four-color regions) that are colored regions formed by causing at least two inkjet heads among the plurality of inkjet heads 102y to 102k to eject ink, and a plurality of white layers that are light reflecting regions formed on the colored region. The colored regions in the layered ink region are superimposed with at least the white layer interposed therebetween.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
20.
PHOTOGRAPHING APPARATUS FOR PHOTOGRAMMETRY, SHAPING APPARATUS, SHAPED ARTICLE SET, THREE-DIMENSIONAL DATA GENERATION APPARATUS, AND SHAPING SYSTEM
A photographing apparatus for photogrammetry continuously photographs a target object performing a series of motions by synchronizing a plurality of photographing devices provided at a plurality of different viewpoints. The plurality of photographing devices include the plurality of image-capturing units that photograph the target object. Each of the plurality of photographing devices includes the plurality of primary storages each storing each image data of the target object photographed in synchronization by the plurality of image-capturing units, and the plurality of signal output units each outputting a completion signal for each of the image data when storage of each of the image data in a preceding motion of the target object into the plurality of primary storages is completed. The plurality of photographing devices perform photographing in the subsequent motion of the target object based on the completion signal of the signal output unit.
Misalignment between landing positions is appropriately corrected. A printing device 10 that performs printing by an inkjet method includes an inkjet head 102, a carriage 100, a main scan driving part 18 (carriage drive mechanism), a detection mechanism 106, and a controller 30. The controller 30 detects a position where a concentration is the highest among concentrations of a correction pattern changing depending on positions in a main scanning direction, calculates magnitude of misalignment between a landing position of ink ejected from the inkjet head 102 when the carriage 100 moves to a first direction side and a landing position of the ink ejected from the inkjet head 102 when the carriage 100 moves to a second direction side based on a detection result of the position where the concentration is the highest, and corrects the misalignment between the landing positions based on a calculation result.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
There is provided an inkjet printer including a platen that supports a recording medium; an inkjet head having a nozzle surface that ejects ink, which cures by being irradiated with light, toward the recording medium; a light irradiation device that irradiates the ink attached to the recording medium with light; and a carriage that is mounted on the inkjet head and the light irradiation device, and is scanned with respect to the platen; where an uneven portion for suppressing stray light from the light irradiation device from reaching the nozzle surface is provided in a portion closer to the nozzle surface than the light irradiation device in a scanning direction; and the uneven portion is provided at a position facing a space on a path of the stray light from the light irradiation device to the nozzle surface in a space between the portion and the platen.
Provided are an inkjet printing method and an ink set, in which forward and reverse warp inks are printed in an arrangement that reduces warp. The forward warp ink is the ink in which a warp when cured and shrunk by irradiation of light is a forward warp in which a portion on a side where light is irradiated by a light irradiation device is large in the degree of curing and shrinkage as compared with a portion on an opposite side. The reverse warp ink is the ink in which a warp when cured and shrunk by irradiation of light is a reverse warp in which a portion on a side opposite to a side where light is irradiated by the light irradiation device is large in the degree of curing and shrinkage as compared with a portion on the side where light is irradiated.
The photocurable inkjet ink contains: a radical polymerizable compound; a photoinitiator; and a thixotropic agent, and has a first viscosity of 1,000 mPa·s or less as measured at a shear rate of 10,000 s−1, and a second viscosity of 10,000 mPa·s or more as measured at a shear rate set to 10−1 s−1 after a shear force is continuously applied at the shear rate of 10,000 s−1 for 30 seconds.
C09D 133/08 - Homopolymers or copolymers of acrylic acid esters
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
An inkjet printer includes an inkjet head having multiple nozzles that eject an ultraviolet-curable ink, an ultraviolet irradiator that cures the ink, a carriage on which the inkjet head and the ultraviolet irradiator are mounted, a carriage drive mechanism that moves the carriage in a main scanning direction, and a controller that controls the ultraviolet irradiator. A part of the ultraviolet irradiator disposed at the same position as the inkjet head in a sub scanning direction is a head position ultraviolet irradiation portion. The controller makes a peak illuminance of ultraviolet with which the head position ultraviolet irradiation portion irradiates the ink when the carriage moves at a moving speed V2 lower than a peak illuminance of ultraviolet with which the head position ultraviolet irradiation portion irradiates the ink when the carriage moves at a moving speed V1, where the moving speed V2 is lower than the moving speed V1.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
26.
RADIATION-CURABLE INK, DEPOSITED MATTER, AND METHOD FOR PRODUCING RADIATION-CURABLE INK
Provided is a radiation-curable ink that has low odor, excellent curability, and can provide a printed matter that has excellent hardness and toughness. The radiation-curable ink includes the monofunctional polymerizable compound (β) having a heterocyclic structure in which a hetero atom is an oxygen atom, and a multifunctional polymerizable compound (γ) having an alicyclic structure. It is preferable that the radiation-curable ink further include a multifunctional polymerizable compound (Z) not having a bicyclo structure or a higher cyclic structure. It is preferable that the monofunctional polymerizable compound be a monofunctional (meth)acrylate and the multifunctional polymerizable compound be a multifunctional (meth)acrylate.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
27.
INK COMPOSITION FOR INKJET AND METHOD FOR INKJET RECORDING
An ink composition for inkjet and a method for inkjet recording are provided. The ink composition for inkjet includes: a pigment, a water, an alkanediol having a carbon number of 6 or more and 10 or less; and a resin emulsion. A minimum value of a mass ratio of the alkanediol to the ink composition for inkjet is 10%. And, the method includes: performing a typing by attaching an ink composition for inkjet to an ink-unabsorbable or ink-low-absorbable medium. The ink composition for inkjet is prepared by dispersing solutes including a pigment and a resin emulsion in a water including an alkanediol having a carbon number of 6 or more and 10 or less; and the typing is performed by ejecting the ink composition for inkjet on the ink-unabsorbable or ink-low-absorbable medium heated at 50° C. or more and 60° C. or less.
C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
28.
RESIN COMPOSITION FOR MODELING MATERIAL, LIGHT CURING MOLDING INK SET, AND METHOD FOR MANUFACTURING OPTICALLY SHAPED ARTICLE
There is provided a resin composition for a modeling material, used for shaping a modeling material by a manufacturing method for light curing molding using an ink-jet scheme, comprising (A) an ethylenic unsaturated monomer as a photocuring component, (B) a photopolymerization initiator, and (C) a surface adjusting agent, wherein the resin composition for a modeling material has surface tension Mt of 26.0 to 33.0 mN/m, and the resin composition for a modeling material has surface tension Mst represented by the following (i) expression of 33.0 mN/m or more, and this resin composition for a modeling material 4a can afford a light cured article having the good dimensional accuracy.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
B33Y 70/00 - Materials specially adapted for additive manufacturing
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08F 220/30 - Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
In this print method, assuming that the number of stacking of ink layers in a thickest portion in a thickly-piled portion is N, in a histogram preparation step ST2, a histogram of luminance values of grayscale image data prepared in an image data preparation step ST1 is prepared, and in luminance value range setting steps ST3 to ST10, a luminance value of predetermined gradations of the histogram is divided into N and N luminance value ranges are set. In the luminance value range setting steps ST3 to ST10, a division position of the luminance value of the predetermined gradations is adjusted while the histogram displayed on a predetermined display is checked.
A three-dimensional-body data generation device is provided and generates three-dimensional shape data of a three-dimensional target object based on multiple images obtained by photographing the target object from mutually different viewpoints, which performs, using multiple images photographed in a state where a color sample is placed around the target object, a color sample search process of searching the color sample appearing in the image for at least any of the multiple images, a color correction process of performing color correction of the multiple images based on a color indicated in the image by the color sample discovered in the color sample search process, a shape data generation process of generating the three-dimensional shape data based on the multiple images, and a color data generation process of generating color data based on a color of the multiple images after correction is performed in the color correction process.
A printer control system for controlling an inkjet printer that prints an image having a predetermined thickness on a print medium includes: an image data creating/editing portion, configured for creating and editing an image data; and a printer control portion, configured for converting the image data sent from the image data creating/editing portion into a printing data and sending the printing data to the inkjet printer. When a portion for allowing the image to have a thickness in the image printed on the print medium is defined as a thick portion, the image data sent from the image data creating/editing portion to the printer control portion includes at least one of: a thickness information regarding a thickness of the thick portion, and a shape information regarding a shape of an end portion of the thick portion.
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A radiation-curable ink is provided and includes: a first liquid phase, including a radiation-curable hydrophobic polymerizable compound; and a second liquid phase, including at least one compound selected from a group consisting of water, an aqueous polymerizable compound, an aqueous polymer, and an aqueous non-polymerizable compound. The second liquid phase is emulsified and dispersed in the first liquid phase. And, a three-dimensional object is formed by curing the radiation-curable ink, in which a third liquid phase derived from the second liquid phase and including at least one compound selected from the group consisting of water, the aqueous polymerizable compound, the aqueous polymer, and the aqueous non-polymerizable compound is dispersed as a sea-island structure in a continuous phase of a hydrophobic cured product formed by curing the first liquid phase. A water content of the third liquid phase is 1% by weight or more.
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
B33Y 70/00 - Materials specially adapted for additive manufacturing
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
Provided are a foamed product with a high level of design, and the like. The problem is solved by a foamed product including: a foam medium with a first part protruded by foaming and a second part that is lower than the first part; and a decorative part with a plurality of decorative particles, formed only in the second part of the first part and the second part, and a manufacturing method for a foamed product, including: a first step of foaming a foam medium to form, in the foam medium, a first part protruded by the foaming and a second part that is lower than the first part; and a second step of fixing a plurality of decorative particles only to the second part of the first part and the second part.
To efficiently and appropriately shape a 3D object. There is provided a shaping device that shapes a three-dimensional (3D) object through a layering shaping method, the shaping device including an inkjet head, which is a discharging head, that discharges a material liquid droplet, a liquid droplet of a material for the 3D object; and a circling driving section that relatively circles at least a region to be discharged, which is a region to which the material liquid droplet is discharged in the 3D object being shaped, along a circling path set in advance with respect to the inkjet head; where the circling driving section causes the region to be discharged to circle the circling path plural times; and inkjet head discharges the material liquid droplet onto the region to be discharged circling on the circling path.
B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
Disclosed is a shaping system for shaping a three-dimensional object, which includes a slice data generation step that generates slice data and a shaping execution step that shapes the three-dimensional object by a shaping apparatus based on the slice data. The shaping apparatus shapes the three-dimensional object using inkjet heads. The slice data generation step has a color cross-section data generation step that generates color cross-section data showing at least a cross-sectional shape of the three-dimensional object and a color at each position, a plate division data generation step that generates plate division cross-section data in which the color cross-section data is color-separated for each color of the material, and a plate division cross-section data change step that changes at least some plate division cross-section data. The slice data is generated based on the plate division cross-section data changed in the plate division cross-section data change step.
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
[Object] To appropriately produce a product generated by printing on a medium.
[Solving Means] A production management system that manages production of a product generated by executing printing on a medium determines (S104, S114) a recommended condition of processing by an electronic device scheduled to be used for generation of a product, based on processing condition information indicating, for each step of generating the product, a relationship among quality of the product, a type and an installing place of the electronic device that performs at least one step of generating the product, and a recommended condition of processing by the electronic device, the target quality of the product, and the type and the installing place of the electronic device scheduled to be used for generating the product.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
A printed matter exhibiting metallic gloss is provided and includes: a substrate; and a metallic glossy layer, being formed on the substrate, and the metallic glossy layer containing scaly particles having a metal. In the metallic glossy layer, the scaly particles are oriented to be substantially parallel to a surface of the metallic glossy layer; and the surface of the metallic glossy layer has a DOI value of greater than or equal to 20% and a Sa value of less than or equal to 2 μm.
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
B41M 3/00 - Printing processes to produce particular kinds of printed work, e.g. patterns
Provided are a maintenance liquid and a maintenance method that can solve an ejection problem of a UV curable inkjet printer. The maintenance liquid includes: a first ingredient in which a water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble. The maintenance method includes: a first cleaning process at which a water-soluble compound that adheres to an inkjet head included in the UV curable inkjet printer is dissolved by a first maintenance liquid including the first ingredient in which the water-soluble compound is soluble and a cured matter of a UV curable ink is insoluble, and a second cleaning process at which the inkjet head is cleaned by a second maintenance liquid including a second ingredient in which the water-soluble compound is insoluble and the cured matter of the UV curable ink is soluble.
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/107 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
39.
MANUFACTURING METHOD FOR PRINTED MATTER, MANUFACTURING METHOD FOR FOAM, FOAMING INHIBITION INK, FORMING METHOD FOR THREE-DIMENSIONAL FORMED OBJECT, AND FORMING SYSTEM FOR THREE-DIMENSIONAL FORMED OBJECT
Provided are a manufacturing method for a foamable printed matter, a manufacturing method for a foam and a foaming inhibition ink. The manufacturing method for a printed matter is a manufacturing method for a foamable printed matter that foams to form an irregular pattern on its surface, the method including a printing step of inkjet-printing a foaming inhibition ink on a printing medium having a layer of a foamable resin composition containing a chemical foaming agent, under a temperature condition lower than a softening temperature of the foamable resin composition, the foaming inhibition ink containing: a foaming inhibitor that deteriorates a heat decomposing ability of the foamable resin composition; and a solvent that dissolves the foaming inhibitor when the foaming inhibitor is solid, is compatible with the foaming inhibitor when the foaming inhibitor is liquid, and is able to move the foaming inhibitor into the foamable resin composition.
A shaping apparatus, a shaping method, and a shaping program with which a shaped object can be formed to have the interior with excellent color expression are provided. A 3D printer forms a three-dimensional shaped object having an interior colored, with layer bodies of a light reflective material and a coloring material ejected from an ejection head based on color image data layered. The 3D printer determines arrangement positions of a light reflective material and a coloring material so that the light reflective material is arranged at a predetermined position in each unit volume in a region to be colored inside a shaped object and the coloring material is arranged around the light reflective material based on the color image data. A set position of the unit volume is set to make one surface of one unit volume come into contact with a plurality of other unit volumes.
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
41.
Printing apparatus, printing method, powdering apparatus, and powdering method
Powdering on a front surface of a printed matter or the like is appropriately performed. A printing apparatus configured to perform printing on a medium includes: an ink ejection portion configured to eject an ink to the medium; and a powdering portion configured to perform powdering that applies powder to the medium. The powdering portion includes: a liquid applying device configured to apply, to the medium, a powder containing liquid that is a liquid including the powder and a solvent and an energy ray emitting portion configured to irradiate the powder containing liquid applied to the medium with energy rays. The powder containing liquid is a liquid that generates heat when irradiated with energy rays. The energy ray emitting portion irradiates the powder containing liquid applied to the medium with energy rays to evaporate the solvent of the powder containing liquid, so that the powder adheres to the medium.
A shaped article is provided. The shaped article includes a light reflective layer, a decorative layer, and a first transparent layer. The light reflective layer is being provided from an ink having light reflectiveness. The first transparent layer is being provided from a transparent ink. The decorative layer is disposed on an outer side of the light reflective layer. The first transparent layer is disposed on an outer side of the decorative layer.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B32B 1/00 - Layered products essentially having a general shape other than plane
B29C 64/129 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 80/00 - Products made by additive manufacturing
43.
Multilayered printed matter and multilayer printing method
A multilayered printed matter includes a group of print layers formed on a medium. The group of layers include a front layer and a back layer on which patterns are printed, a white layer, and a black layer. The white layer is interposed between the front layer and the back layer to conceal the back layer to be invisible from the side of the front layer. The white layer reflects incident light from the side of the front layer to allow the front layer to be visible from the side of the front layer. The black layer is interposed between the white layer and the back layer to conceal the back layer to be invisible from the side of the front layer. In comparison between the black layer and the white layer that are equal in thickness, the black layer exerts a higher light blocking effect than the white layer.
A printing device that performs printing on a medium includes an inkjet head, a main scan driving unit, a sub scan driving unit, and a control unit, where the control unit sets a sub-scanning movement amount based on a basic movement amount, which is a basic movement amount set according to print conditions, and a value indicating a distance for increasing or decreasing the sub-scanning movement amount in the print conditions set at the time of inputting an input correction value. Furthermore, a storage is further provided, which stores a first correction coefficient used when the basic movement amount is within a first range, and a second correction coefficient used when the basic movement amount is within a second range smaller than the first range, and the control unit sets the sub-scanning movement amount based on the basic movement amount and the calculated correction value.
B41J 2/47 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
A printing apparatus operating as a liquid ejecting device is provided and includes: an inkjet head including a plurality of nozzles, a scanning driver that causes the inkjet head to perform a main scan, and a controller. When an abnormal nozzle is present, the controller causes another nozzle in the vicinity of the abnormal nozzle to eject the liquid of a larger amount than that in a normal time to a part of an ejecting position where the liquid can be ejected by the other nozzle based on a mask prepared in advance, so that an amount of liquid to be ejected at the time of the main scanning direction by the other nozzle becomes larger than that in the normal time. The mask is data specifying the ejecting position to increase an ejection amount of the liquid and an ejection amount to be increased at the ejecting position.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
An inkjet printer includes: an inkjet head configured to eject an ink of an ultraviolet-curable type to a medium; an ultraviolet irradiator arranged to adjoin the inkjet head in a main scanning direction where the inkjet head relatively moves with respect to the medium, the ultraviolet irradiator configured to irradiate the ink with an ultraviolet ray; and a controller configured to control the ultraviolet irradiator. In the inkjet printer, the ultraviolet irradiator includes an inner illumination region arranged near the inkjet head in the main scanning direction, and an outer illumination region arranged opposite the inkjet head across the inner illumination region in the main scanning direction, and the controller includes a first irradiation mode where the inner illumination region is unlit and the outer illumination region is lit, and a second irradiation mode where the inner illumination region is lit and the outer illumination region is lit.
A manufacturing method of a head leading member, which is provided in a printing machine including a head for discharging an ink toward a working surface, in order to lead the head in a main travelling direction, and the manufacturing method of a head leading member including: a base member fixing step in which a base member, being like a plate, is fixed to a frame extending in the main travelling direction; a guiding reference surface shaping step in which a surface of the base member, in a state of being fixed to the frame, is so manufactured as to be a plane, being along the main travelling direction, in such a way as to shape a guiding reference surface; and a guide member supporting step in which a guide member for leading the head is set in such a way that the guiding reference surface supports the guide member.
The printing and object-shaping system includes inkjet heads that discharge ink droplets of ultraviolet curing-type inks, a curing unit, a platen which is a table-shaped member disposed so as to face the inkjet heads, and a controller configured to control the operations of at least the inkjet heads and the curing unit. This system is operable to carry out operations in a printing mode and a three-dimensional object shaping mode. The printing mode is a mode for performing printing on a medium supported on the platen. The three-dimensional object shaping mode is a mode for depositing an ink in layers on the platen to form a three-dimensional object. The controller receives an instruction to select one of the printing mode and the three-dimensional object shaping mode and controls the operations of at least the inkjet head and the curing unit in accordance with the mode selected.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/277 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
This inkjet printer includes a temperature sensor for detecting temperature of UV ink inside an inkjet head, and the inkjet head includes multiple piezoelectric elements that eject UV ink from each of a plurality of nozzles. In this inkjet printer, a controller that controls the inkjet printer constantly monitors temperature detected by the temperature sensor, and controls a drive voltage applied to the piezoelectric element in real time on the basis of a detection result of the temperature sensor so that a drive voltage applied to the piezoelectric element becomes low in response to a temperature rise detected by the temperature sensor.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A method for forming a three-dimensional object by a fused deposition modeling method. The method uses a plurality of material resin supply units, each configured to supply a coloring material resin of a different color, and the coloring material resins are resins to be used as a modeling material. A mixed resin ejection unit is configured to eject a mixed resin obtained by mixing the coloring material resins supplied from the plurality of material resin supply units. The plurality of material resin supply units being configured to supply the coloring material resins of different colors to the mixed resin ejection unit. The method includes controlling the amounts of the coloring material resins to be supplied from each of the plurality of material resin supply units to the mixed resin ejection unit, thereby adjusting a color of the mixed resin that is to be ejected by the mixed resin ejection unit.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
51.
Manufacturing method for colored products and ink ejection device
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
Inventor
Arai, Wataru
Hakkaku, Kunio
Tsumura, Norimichi
Hirai, Keita
Yoshii, Junki
Abstract
A manufacturing method for manufacturing a colored product, where using inkjet heads which are a plurality of color ink heads, and an inkjet head, which is a colorless ink head, a plurality of coloring regions are formed in an overlapping manner in a normal direction, a surface side colored region, which is a region located closest to the surface of the colored product is formed using at least the color ink ejected from any of the inkjet heads, and an inner colored region, which is a region located farther from the surface of the colored product than the surface side colored region is formed using at least the color ink ejected from any of the inkjet heads and the colorless ink ejected from the inkjet head.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A forming apparatus configured to form a three-dimensional object includes a head configured to extrude build materials and a controller configured to control extrusion of the materials by the head. The three-dimensional object includes a colored region that is colored using a coloring material among the materials. The head includes a head for coloring that is an extrusion head configured to extrude the coloring material in multi-step variable amounts of droplets. The controller is configured to control the amount of droplets of the coloring material extruded by the head for coloring.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
In an inkjet printer, an ultraviolet irradiator includes a first irradiation portion disposed at the same position as a color ink ejection portion in a front-back direction and a third irradiation portion disposed on the front side of a clear ink ejection portion in the front-back direction, where at the time of printing in a gloss tone printing mode, an average illuminance of a fifth irradiation portion that forms the front side portion of the first irradiation portion is lower than an average illuminance of a fourth irradiation portion that forms the back side portion of the first irradiation portion.
A liquid ejection device includes a liquid ejection head having a nozzle surface provided with an ejection port of a nozzle from which a liquid is ejected, a cap that comes into contact with the nozzle surface to cover the nozzle, an air pressure adjuster that adjusts an air pressure inside the cap when the cap is in contact with the nozzle surface, and a contact force adjuster that sets, equal to a first pressure, a contact force that is a pressure causing the cap to come into contact with the nozzle surface when the air pressure adjuster sets the air pressure inside the cap equal to a first air pressure, and sets the contact force equal to a second pressure lower than the first pressure when the air pressure adjuster sets the air pressure inside the cap equal to a second air pressure higher than the first air pressure.
An inkjet printer includes a control unit that counts the number of retries of communication between the control unit and a storage device and communication between the inkjet printer and a host computer and records the same in the storage unit. The control unit can also derive an installation environment level of the installation environment of the inkjet printer based on at least one number of retries recorded in the storage unit, and output the derived installation environment level to a display unit.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A connector includes a damper, a tube connecting member, and a sealing member having elasticity for preventing leakage of ink from between the damper and the tube connecting member. The tube connecting member includes a coupling part coupled to the damper by overlapping the damper in a radial direction of the flow path for each combination in which the flow path of the damper and the flow path of the tube connecting member are connected to each other. The sealing member is disposed in contact with the coupling part. The tube connecting member includes a continuous part continuously formed across multiple coupling parts, and a tongue-shaped piece portion extending from the continuous part. The continuous part is disposed on an outermost side of the connector in the vicinity of the sealing member. The tongue-shaped piece portion includes a claw that engages with the damper on a free end side.
To provide a printing system that can print, on a medium, an alignment mark for aligning the medium in a processing device that performs processing on the medium after printing without complicated work carried out by a user. The printing system includes a printer, the processing device, a printer control unit, a processing device control unit, a data creating unit that creates printing data for performing printing on the medium and processing data for performing processing on the medium after printing, and a data processor that transmits the printing data to the printer control unit and transmits the processing data to the processing device control unit. The data processor creates alignment data for aligning the medium in the processing device, and transmits the alignment data to the printer control unit. The printer control unit controls the printer to print the alignment mark on the medium.
A shaping device for shaping a three-dimensional shaped object, the shaping device including a plurality of inkjet heads, which are a plurality of ejection heads, and a control unit; where at least some of the plurality of inkjet heads ejects ink to become the material for coloring; and the control unit causes the plurality of inkjet heads to eject ink so that the shaped object in which a way of coloring for at least one part is different from a way of coloring for at least other parts is shaped based on shaping data, which is data indicating shape and color of the shaped object, and coloring system designating data, which is data indicating the way of coloring for at least one part of the shaped object.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
An inkjet printer capable of improving uniformity of the quality of an image printed on a recording medium is provided and includes: a table formed with a support surface that supports a recording medium; an inkjet head formed with a nozzle that ejects ink; a Y-bar that supports the inkjet head to be movable in a main scanning direction; two lifting mechanisms capable of changing a Y-bar tilt serving as a tilt of the Y-bar with respect to the support surface; a head gap sensor that detects a head gap, which is a distance from the recording medium to the nozzle of the inkjet head; and a tilt adjustment portion that adjusts the Y-bar tilt by the two lifting mechanisms to a tilt that reduces variations of the head gaps detected by the head gap sensor at each of multiple positions in the main scanning direction.
B41J 25/308 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
B41J 25/316 - Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface
The object is to obtain a printed product excellent in fastness to washing. To achieve the object, a printing method is provided. The printing method includes a forming step of forming a solvent UV ink layer (2) on a printing target object (1), a drying step of drying the solvent UV ink layer (2), a decorating step of forming a decorative layer (3) on the dried solvent UV ink layer (2), and a curing step of curing the decorated solvent UV ink layer (2) by irradiating the same with ultraviolet.
An object is to suppress variation in dot diameter. As a solution, an irradiation control unit (50) performs control for selecting an irradiating element (E2) having a distance from a nozzle (n) to eject irradiation target ink, smaller than that of an irradiating element (E3) which has the maximum distance difference with respect to the distance between the nozzle (n) and an irradiating element (E1) selected as an irradiating element for ink ejected from the nozzle (n) on an outward way, as an irradiating element which is selected on a homeward way.
A manufacturing method for a shaped object for manufacturing the shaped object used as a parts when creating a three-dimensional object assembled by combining multiple parts, where the shaped object including a surface region, an end region, and an inner region is shaped. A surface colored portion, which is a portion to be colored in the surface region, is formed, so that a light entering from a side opposite to the inner region is reflected by the inner region to an outside of the shaped object. And, an end colored portion, which is a portion to be colored in the end region, is formed to have a light reflectivity higher than that of the surface colored portion using a coloring material and a light reflective material.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A method for producing a printed product is provided. The method capable of producing the printed product is superior in a friction fastness and a texture. And, a printing system is also provided. The method includes a printing step in which an ink composition for inkjet, containing a colorant and a crosslinkable binder component, is inkjet-printed onto a textile good to obtain a print body; and a heat-treatment step in which, by heat-treatment of the print body with steam, the crosslinkable binder component is caused to melt or soften, and to crosslink to be a film, thereby fixing the colorant to fibers of the textile good. The printing system includes a printing apparatus and a heat-treatment equipment with which a print body after printing is heat-treated with steam.
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
C09D 11/32 - Inkjet printing inks characterised by colouring agents
B41M 5/00 - Duplicating or marking methods; Sheet materials for use therein
C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
A three-dimensional object manufacturing method includes steps of: generating, based on three-dimensional data of a three-dimensional object, two-dimensional data for a two-dimensional printed matter in which at least a part of an image appearing on a surface of the three-dimensional object is printed on a medium, and three-dimensional data of a three-dimensional shaped object that includes an attachment groove to which inside the two-dimensional printed matter is attached and forms the three-dimensional object when the two-dimensional printed matter is attached inside the attachment groove (S102); generating the two-dimensional printed matter by a two-dimensional printer based on the two-dimensional data generated in S102 (S103); generating the three-dimensional shaped object by a three-dimensional printer based on three-dimensional data generated in S102 (S104); and generating the three-dimensional object by attaching the two-dimensional printed matter generated in S103 to the inside of the attachment groove of the three-dimensional shaped object generated in S104 (S105).
A color conversion method for performing color conversion on print data includes a color conversion process of converting a color of a pre-conversion color system used to express a color in the print data before the color conversion is performed to a color of an ink color system corresponding to inks of multiple colors, and in the color conversion process, a position selecting process of selecting some positions from the positions in the print data, a profile using process of converting the color of each position in the print data according to a profile associating the colors before and after the conversion, and a color correcting process of performing correction on results of color conversion in the profile using process with respect to the selected position selected in the position selecting process to obtain a color expressed using ink of the predetermined number of colors or less.
A printing apparatus includes a printing unit that performs printing on a print medium with a sheet shape, a medium feeding unit and a medium winding unit that conveys the print medium in a predetermined conveyance direction, a controller that controls the printing unit, the medium feeding unit, and the medium winding unit, and a shaft that winds the printed print medium. The controller includes a cutting position determination unit that determines a cutting position to cut and separate the print medium in the width direction upstream by a predetermined length from the end of the image of the first print surface in the conveyance direction, and the cutting position determination unit determines the cutting position so as to cut upstream from the end with an increase in the circumferential length of the print medium wound around the shaft.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B41J 15/16 - Means for tensioning or winding the web
B41J 15/08 - Supporting, feeding, or guiding devices; Mountings for web rolls or spindles characterised by being applied to printers having transversely-moving carriages
B41J 11/70 - Applications of cutting devices cutting perpendicular to the direction of paper feed
An inkjet printing apparatus includes a mounting unit where a recording medium is mountable, a head unit that ejects ink droplets to the recording medium, a planar direction driving unit that drives at least one of the head unit ejecting the ink droplets and the mounting unit to move in a planar direction and that changes a relative positions of the head unit and the mounting unit in the planar direction, and a height direction driving unit that changes a relative positions of the head unit and the mounting unit in a height direction perpendicular to the planar direction. The planar direction driving unit has a moving speed changing mechanism that changes a carriage speed between the head unit and the mounting unit in the planar direction. The height direction driving unit has a distance changing mechanism that changes a distance between the head unit and the mounting unit.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B41J 25/00 - Actions or mechanisms not otherwise provided for
A building apparatus (10) that builds an object in three-dimensional includes: a head (12) serving as a material ejector that ejects a material used for building the object (50); and a controller (20) that controls an operation of the head (12). The head (12) ejects at least a material for coloring. In a case of building the object (50) that is colored, the head (12) forms at least a colored region that is a layer region along a surface shape of the object (50) to be built and is colored with the material for coloring. The controller (20) causes the head (12) to form a colored region so that the colored region in a normal direction of the object (50) that is a direction perpendicular to the surface of the object (50) has a constant thickness set in advance.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 80/00 - Products made by additive manufacturing
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
69.
Layer configuration prediction method and layer configuration prediction apparatus
NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY (Japan)
Inventor
Tsumura, Norimichi
Yoshii, Junki
Hirai, Keita
Arai, Wataru
Abstract
A layer configuration prediction method is provided and includes: a specimen production step of producing multiple specimens by depositing layers of a material in configurations different from each other; a specimen measurement step of performing, on each specimen, measurement to acquire a texture parameter corresponding to a texture; a learning step of causing a computer to perform machine learning of a relation between each of the specimens and the texture parameter; a setting parameter calculation step of calculating a setting parameter corresponding to the texture set to a computer graphics image; and a layer configuration acquisition step of providing the setting parameter as an input to the computer having been caused to perform the machine learning, and acquiring an output representing the layering pattern of layers of the material corresponding to the setting parameter.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A shaping system is provided and includes: a shaping executing part configured to execute shaping of a three-dimensional object and including multiple inkjet heads that respectively discharge ink droplets of colors different from each other; and a shaping controlling part configured to control an operation of the shaping executing part. The shaping controlling part accepts a designation of a shaping color being a color of the three-dimensional object to be shaped based on a shaping data from an user, and causes the shaping executing part to shape the three-dimensional object so that at least an outer appearance of the three-dimensional object is colored in the shaping color which is designated. The shaping executing part shapes the three-dimensional object according to a control by the shaping controlling part, and colors at least an outer appearance of the three-dimensional object in the shaping color designated by the user using multiple inkjet heads.
B29C 67/00 - Shaping techniques not covered by groups , or
B29C 64/386 - Data acquisition or data processing for additive manufacturing
G06T 19/20 - Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A table device and a printing apparatus are provided. The table device includes a X-shaped link member in which two long members are turnably coupled in an X-shape, an expansion/contraction mechanism that expands/contracts with at least a pair of X-shaped link members arranged facing each other, a table that is disposed on one end side of the expansion/contraction mechanism and moves in the expansion/contraction direction of the expansion/contraction mechanism, a support member disposed on the other end side of the expansion/contraction mechanism, a coupling member that couples the opposing long members of the long members forming the expansion/contraction mechanism and moves with the expansion/contraction of the expansion/contraction mechanism, and a regulating member that regulates a fluctuation of the coupling member that moves when the expansion/contraction mechanism expands/contracts.
B41J 29/06 - Special supports, platforms, or trolleys for supporting machines on tables
A47B 9/16 - Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
An up-down moving mechanism includes a support member; an up-down moving member that is formed separately from the support member and can be moved up and down with respect to the support member; a screw shaft for moving up and down the up-down moving member; a nut member that is screwed onto the screw shaft; a guide rail that guides the up-down moving member in a vertical direction; a guide block that slidably engages with the guide rail; and a gas spring that includes a cylinder and a piston rod biased in a direction projecting out from the cylinder, and that biases the up-down moving member toward an upper side with respect to the support member. To the support member, the screw shaft is rotatably attached, the guide rail is fixed, and the piston rod is attached.
A maintenance unit includes a fixed-side cover in which multiple first openings are formed and a movable-side cover in which multiple second openings are formed. A moving mechanism slides the movable-side cover with respect to the fixed-side cover in a Y direction between a closed position where the second opening is disposed between multiple first openings in the Y direction and the movable-side cover closes the first openings, and an open position where the first opening and the second opening adjacent to each other at the closed position are overlapped in the vertical direction and an entire of multiple ink receiving portions are exposed.
A processing system including an inkjet printer that performs printing on a workpiece according to print data associated with a jig ID that indicates the type of jig, and a jig having a jig ID indicating its type that supports the workpiece and is set in the inkjet printer acquires the jig ID from the jig (S61), and notifies incompatibility between the print data and the jig when the jig ID associated with the print data, and the jig ID acquired from the jig in S61 do not match (NO in S63) (S64).
B41J 3/28 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing downwardly on flat surfaces, e.g. of books, drawings, boxes
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
A sliding mechanism is provided and includes a linear encoder for detecting a movement distance of a slider in relation to a support member. The sliding mechanism includes a slider that can move in relation to a support member, a slider that can move in relation to the support member as well as the slider, a linear scale fixed to the slider and a sensor fixed to the slider; and a linear encoder for detecting a movement distance of the slider in relation to the support member. In the sliding mechanism, the slider is transferred in relation to the support member and the slider, and subsequently the slider is transferred in relation to the support member and the slider, while the slider is kept in a state of being stopped.
B41J 3/28 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing downwardly on flat surfaces, e.g. of books, drawings, boxes
A three-dimensional object shaping method includes: a void portion forming step of forming a void portion surrounded by an ink by layering an ink layer on the work surface or in a range surrounding a predetermined region in an uppermost layer of multiple ink layers formed on the work surface; and an overhang portion forming step of forming upward an overhang portion that bulges out from an outer peripheral side toward an inner side of the void portion and surrounds the void portion in a state where a part of the ink protrudes out toward the inner side of the void portion at a layering angle in a range in which an outer shape of the void portion is not lost, when disposing new ink on the ink facing the void portion in a case where a new ink layer is layered on the ink layer including the void portion.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
A printing system is provided and includes an image processing portion that generates a generated image by image processing, and a printing portion that performs printing on a medium based on the generated image. The image processing portion generates the generated image by performing a quantization processing that performs quantization by comparing the pixel value of each pixel in the input image with a threshold, and in the quantization processing, calculates a dot influence value indicating to what extent a position corresponding to a selected pixel is covered by the ink dots formed at the position set on the medium in correspondence with the peripheral pixels of the selected pixel, performs adjustment of reflecting the dot influence value on at least one of the pixel value of the selected pixel or the threshold, and compares the pixel value and the threshold based on a value after adjustment.
In a three-dimensional shaping device, a support layer includes a dissolution removal target region removed by dissolving in the predetermined liquid and formed at a periphery of at least one part of the three-dimensional shaped object, and a non-dissolution removal target region removed through a method other than dissolution by the predetermined liquid and formed at a periphery of at least one part of the dissolution removal target region. At least one part of the support layer other than the dissolution removal target region is a different material region which is a region formed using a material different from the dissolution removal target region, and is formed at a position of at least one part of the periphery of the dissolution removal target region to indicate a position of a boundary between the dissolution removal target region and the non-dissolution removal target region.
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
An inkjet printer includes an inkjet head that ejects ink droplets, and a sub tank that stores an ink to be supplied to the inkjet head, where the sub tank is provided with an ink outflow port through which the ink flows out from the sub tank, and an ink inflow port through which the ink that flowed out from the ink outflow port and passed through a predetermined circulation path flows toward the sub tank. In the inkjet printer, the ink is flowed out from the ink inflow port and the ink that passed through the circulation path is flowed into the sub tank from the ink outflow port at a predetermined timing.
A shaping device is provided and includes a head portion that ejects a material of a shaped object, and a controller that controls the operation of the head portion based on ejecting position specifying data indicating a position to eject the material of each color, the ejecting position specifying data being data in which a color is expressed in a predetermined material color space. The controller generates the ejecting position specifying data based on input data in which colors are expressed in a predetermined input color space, and in the process of generating the ejecting position specifying data, performs a color conversion process of converting a color using at least a profile that associates the color in the input color space with the color in the material color space, and a color adjustment parameter which is a parameter used for adjustment performed for color conversion performed using the profile.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
83.
Shaping system, shaping method, and shaping control apparatus
A shaping system for shaping a stereoscopic shaped object, the shaping system including a shaping device serving as a shaping portion and a control PC serving as a shaping controller. At a time of shaping a shaped object, the shaping device further forms a support layer that supports at least a part of the shaped object being shaped, and the control PC predicts a support layer removal time which is a time required for removing the support layer after formation of the shaped object and the support layer in the shaping device is completed.
The present disclosure prevents a visible pattern corresponding to the pattern of a mask from being noticeable and enables more appropriate printing. A printing apparatus 10 performing printing by an inkjet scheme includes: an inkjet head 102; and a controller 20, configured to control the operation of a main scan driver 16 and a sub scan driver 18 to perform a main scanning operation multiple times on each position on a medium 50. In the main scanning operation, for at least part of ejection positions serving as ejection targets of ink droplets in the main scanning operation, the controller 20 causes the inkjet head 102 to eject an ink droplet in accordance with a mask for selecting part of the at least part of ejection positions. In the main scanning operation at one time, the controller 20 causes the inkjet head 102 to eject an ink droplet in accordance with a preset first mask. In the main scanning operation at another time different from the one time, the controller 20 causes the inkjet head 102 to eject an ink droplet in accordance with a second mask for selecting an ejection position in a pattern different from the first mask.
B41J 2/52 - Arrangement for printing a discrete number of tones, not covered by group , e.g. applicable to two or more kinds of printing or marking process
B41J 2/525 - Arrangement for multi-colour printing, not covered by group , e.g. applicable to two or more kinds of printing or marking process
G06K 15/10 - Arrangements for producing a permanent visual presentation of the output data using printers by matrix printers
A printing device prints an object on a medium by inkjet printing. The printing device includes: a glossy ink head that discharges ink droplets of a glossy ink having a glossy color; and a main scan driver that prompts the glossy ink head to perform main scans in which the glossy ink head discharges the ink droplets while moving in a predetermined main scanning direction. The glossy ink contains a glossy pigment. In the main scans, the glossy ink head discharges the ink droplets plural times while moving in the main scanning direction to form ink dots at positions on the medium aligned in the main scanning direction. The ink droplets discharged from the glossy ink head each have a volume constituting a size that allows for contact on the medium between any ones of dots formed in each one of the main scans.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A shaping data combining process of an external PC to which 3D data indicating a shaped object shaped by a 3D printer is input for each 3D job includes: a step of generating shaping data based on the 3D job, a step of combining a plurality of shaping data to generate combined shaping data to fill a margin region where the shaping of the shaped object is not performed with respect to a shapeable region of the 3D printer, and a step of transmitting the combined shaping data to the 3D printer.
The present disclosure makes it possible to appropriately shape a three-dimensional object with high precision. A three-dimensional object shaping system of the present disclosure for shaping a three-dimensional object includes: inkjet heads that discharge ink droplets using an ink jet method; a shaping platform that is a platform-shaped member on which the three-dimensional object being shaped is supported at a position facing the inkjet heads; a main scanning driver that causes the inkjet heads to perform a main scanning operation in which ink droplets are discharged while moving relative to the shaping platform in a pre-set main scanning direction; and an airflow generator that generates airflows that flow from the inkjet heads toward the shaping platform.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29K 105/00 - Condition, form or state of moulded material
88.
Three-dimensional object manufacturing method and three-dimensional object manufacturing system
In a three-dimensional object manufacturing method using a three-dimensional object manufacturing device for manufacturing a three-dimensional object by layering and stacking an ink layer in which a surface is flattened by a flattening roller for removing one part of the surface of the ink layer to adjust a thickness of the ink layer to a thickness t, where when forming ink layers with an inkjet head, an ink ejection amount reduction region in which an ejection amount of ink ejected by the inkjet head is reduced from an amount corresponding to the thickness t in a part corresponding to an interior of the three-dimensional object, and when forming the ink layers on an upper side of the specific ink layers with the inkjet head, an ejection amount of ink ejected by the inkjet head is increased from an amount corresponding to the thickness t.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 80/00 - Products made by additive manufacturing
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
To provide an inkjet printing apparatus that improves the smoothness of an ink surface and improves image quality. Provided is an inkjet printing apparatus for printing a UV curable ink onto a print medium. The inkjet printing apparatus including: an ejection unit configured to eject the UV curable ink; and a UV light source configured to irradiate, with ultraviolet light, the UV curable ink landed on the print medium, the print medium being formed from vinyl chloride. The inkjet printing apparatus further includes a heating unit configured to heat the print medium. The heating unit either heats the print medium to a temperature at which a solvent contained in the UV curable ink landed on the print medium does not volatilize or heats the print medium in a state in which the UV curable ink that lands on the print medium contains substantially no solvent.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
B32B 38/00 - Ancillary operations in connection with laminating processes
A printing system that performs printing includes a printing apparatus in which at least a part thereof is configured by a unit part which is a replaceable function component. The printing apparatus is controlled using a command group including a printer control command which is a command for controlling the printing apparatus and a unit inspection command which is a command used for an inspection of the unit part. At least a part of the printing apparatus is configured by a plurality of unit parts having different functions. The plurality of unit parts are configured to be inspected using the unit inspection command.
B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
91.
Inkjet printing apparatus and inkjet printing method
To provide an inkjet printing apparatus that improves the smoothness of the ink layer surface and improves the image quality. Provided is an inkjet printing apparatus that prints with a UV curable ink, the inkjet printing apparatus including: an ejection unit configured to eject the UV curable ink onto the surface of a print medium; and a control unit configured to control the ejection of the UV curable ink from the ejection unit, the UV curable ink containing a thixotropy-imparting agent, and the control unit setting the viscosity of the UV curable ink to 1 mPa·s to 20 mPa·s at the time of ejection and to at least 80 mPa·s within five seconds of landing on the print medium.
C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
A forming device that forms a 3D object includes a head section including a plurality of nozzle rows, and a scanning driving section that causes the head section to carry out a scanning operation; where the head section includes a first nozzle row group, a second nozzle row group, and a support nozzle row group; in an operation of at least one of the forming modes, the forming device forms at least one part of the 3D object using the first nozzle row group and the second nozzle row group and forms a support layer in a periphery of the 3D object; and when a maximum value of a material dischargeable in unit time in one scanning operation is defined as a material discharging ability, the material discharging ability of the support nozzle row group is greater than the material discharging ability of the first nozzle row group.
B29C 64/112 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An liquid ejecting device includes an inkjet head, a scanning driving unit, a storage, an influence degree storage that stores influence degree information, and a control unit. The influence degree information indicates a magnitude of an influence generated at one ejection position by forming dots of the liquid at each of a plurality of ejection positions. The control unit causes other nozzles to eject a larger amount of liquid than at a normal time with respect to at least a part of the ejection position where the liquid is ejected by the other nozzles in the vicinity of an abnormal nozzle at the time of main scan, and selects an ejection position to which the other nozzle ejects a larger amount of the liquid than the normal time based on the influence degree information.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
An inkjet aqueous ink composition comprises a heterocyclic compound having a nitrogen atom in the heterocycle and a carbonyl group adjacent to the nitrogen atom, a resin, and water. The heterocyclic compound is preferably selected from the group consisting of 1,3-dimethyl-2-imidazolidinone and 1-methyl-2-pyrrolidone. The resin is preferably an acrylic resin.
A printing apparatus and a printing method are provided. The printing apparatus that performs a printing through an inkjet method includes: a conveyor driver which is a medium conveyor device; a plurality of ink ejection portions arranged side by side along a conveyance direction; and a plurality of ultraviolet light sources which are a plurality of fixing devices. Each of the ink ejection portions includes a plurality of inkjet heads arranged side by side along the conveyance direction. Each of the plurality of ultraviolet light sources is disposed on a downstream side in the conveyance direction with respect to any one of the ink ejection portions. After the medium passes a position facing the plurality of inkjet heads in one of the ink ejection portions, the ink ejected by the one of the ink ejection portions is fixed to the medium.
A processing data generation program, a processing data generation system, and a processing data generation method are provided for enabling printed matters having various shapes and sizes. A processing data generation apparatus is configured to display a preview image of a template for print data (S121), contain templates for respective pieces of print data of multiple images having designs identical to each other and different sizes, receive designation of a template selected from a group of templates preview images of which are displayed at S121 (S122), identify cut data indicating a size of a cut area that matches the size of an image in the print data corresponding to the template the designation of which has been received at S122, and generate POP data including the cut data and print data created from the print data corresponding to the template the designation of which has been received at S122.
In an inkjet printer, when an amount of ink in a supply side sub tank is an appropriate amount and an amount of ink in the discharge side sub tank is an appropriate amount, the ink is supplied from the discharge side sub tank to the supply side sub tank at a constant flow rate by an ink pump. Furthermore, the inkjet printer acquires a first pump driving speed, which is the driving speed of the ink pump at this time, at a predetermined time interval, and compares the first pump driving speed with a predetermined reference speed, and executes a predetermined error processing when the first pump driving speed exceeds a reference speed.
To provide a head leading member with which it is possible to inexpensively lead a head with a high level of accuracy. A head leading member is a head leading member, provided in a printing machine that includes a head to discharge ink toward a working surface, for leading the head in a main travelling direction; and the head leading member comprises; a frame extending in the main travelling direction; a base member fixed to the frame, and having a guiding reference surface that is performed with a manufacture so as to be planar along the main travelling direction, in a state of being fixed to the frame; and a guide member extending in the main travelling direction and being supported on the guiding reference surface of the base member, in order to lead the head in the main travelling direction.
A printing apparatus is provided and includes: a platen that supports a medium; an inkjet head provided to face the medium, the inkjet head ejecting an ink containing a charge controlling agent toward the medium by driving a drive element to land the charged ink droplet, which becomes a polarity of one of the positive polarity and the negative polarity, on the medium; and a voltage applying part that applies to at least one of the platen and the medium to have the other polarity of the positive polarity and the negative polarity.
A shaping apparatus, a shaping method and a shaped object are provided. The shaping apparatus for shaping a shaped object that is stereoscopic and in which at least one part is colored is provided and includes: inkjet heads which are coloring heads that eject a coloring ink; an inkjet head which is a light reflective material head that ejects a white ink to become a light reflective material; and a controller. The shaped object including a region to be colored is shaped as the shaped object. At least a part of the region to be colored is formed by arranging a plurality of color cells set in advance as a unit of coloring. Each of the color cells includes a reflective core formed of the white ink, and an outer peripheral portion formed of the coloring ink.
B29C 67/00 - Shaping techniques not covered by groups , or
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
patents
