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1. WO2020222794 - COLORED OBJECT GENERATION

Publication Number WO/2020/222794
Publication Date 05.11.2020
International Application No. PCT/US2019/029866
International Filing Date 30.04.2019
IPC
B29C 64/165 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
165using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 64/20 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
20Apparatus for additive manufacturing; Details thereof or accessories therefor
B29C 64/393 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
30Auxiliary operations or equipment
386Data acquisition or data processing for additive manufacturing
393for controlling or regulating additive manufacturing processes
B33Y 10/00 2015.01
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B33Y 30/00 2015.01
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
30Apparatus for additive manufacturing; Details thereof or accessories therefor
B33Y 50/02 2015.01
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
50Data acquisition or data processing for additive manufacturing
02for controlling or regulating additive manufacturing processes
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • JOWKAR, Mohammad
  • MANSELL, Rhys
  • BLASCO CORTES, Carmen
Agents
  • WOODWORTH, Jeffrey C.
  • HU, Dan C.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COLORED OBJECT GENERATION
(FR) GÉNÉRATION D’UN OBJET COLORÉ
Abstract
(EN)
In an example, a method includes obtaining object model data describing at least a portion of an object to be generated by additive manufacturing. A color value of a first portion of the object to be generated may be determined, wherein the color value is based on a first color and a second color, different from the first color. Object generation data to generate the object using a fusing agent of the first color and a build material having the second color may be determined by defining a first region of a layer of build material to which fusing agent is to be applied defining a second region of the build material to which detailing agent is to be applied to define an edge of the object and defining a spacing region of build material to separate the first region and second region, wherein the spacing region is defined using parameters selected to provide the color value.
(FR)
Dans un exemple, la présente invention concerne un procédé comprenant l'obtention de données de modèle d'objet décrivant au moins une partie d'un objet à générer par fabrication additive. Une valeur de couleur d'une première partie de l'objet à générer peut être déterminée, la valeur de couleur étant basée sur une première couleur et sur une deuxième couleur, différente de la première couleur. Des données de génération d'objet pour générer l'objet à l'aide d'un agent de fusion de la première couleur et d'un matériau de construction présentant la deuxième couleur peuvent être déterminées par la définition d'une première région d'une couche de matériau de construction à laquelle un agent de fusion doit être appliqué, définissant une deuxième région du matériau de construction auquel l'agent de formation de détails doit être appliqué, pour définir un bord de l'objet et définissant une région d'écartement de matériau de construction pour séparer la première région et la deuxième région, la région d'écartement étant définie à l'aide de paramètres sélectionnés pour fournir la valeur de couleur.
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