公开(公告)号：US20240165873A1

公开(公告)日：2024-05-23

申请号：US18283792

申请日：2021-03-29

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Sergio GONZALEZ MARTIN ,  Ismael FERNANDEZ AYMERICH ,  Manuel FREIRE GARCIA ,  Pablo DOMINGUEZ PASTOR

IPC: B29C64/171 ,  A46D3/00 ,  B29C64/393 ,  B29L31/42 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00

CPC classification number: B29C64/171 ,  A46D3/00 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  B29L2031/42

Abstract: Examples include a method implemented in a three dimensional printing system wherein a print job comprising a plurality of parts to be printed is received. A part feature intended to be printed in a specific print mode is identified, wherein the specific print mode is customized for the part feature. The print job is executed using the specific print mode for the part feature. The use of the specific print mode is monitored.

公开(公告)号：US20210379836A1

公开(公告)日：2021-12-09

申请号：US17284712

申请日：2019-04-23

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Roger FADURDO ORELLANA ,  Pol FORNOS MARTINEZ ,  Salvador SANCHEZ RIBES ,  Ismael FERNANDEZ AYMERICH ,  Manuel FREIRE GARCIA

IPC: B29C64/40 ,  B22F12/55 ,  B22F10/85 ,  B22F10/14 ,  B29C64/393 ,  B33Y50/02 ,  B33Y30/00 ,  B29C64/165

Abstract: A system includes a controller to receive data corresponding to an object or slices of the object to be generated by a 3D printer, wherein the 3D printer includes an array of printhead nozzles to selectively eject a print agent on a layer of build material in a build chamber having a build chamber wall, the array of printhead nozzles spanning substantially the full width of the build chamber and moveable along a length of the build chamber. The controller to generate first print data used to generate layers of the object based on the received object data, and to generate second print data used to generate layers of a sacrificial barrier located between the object and the build chamber wall, the second print data is generated such that different parts of the sacrificial barrier are generated using a different plurality of nozzles of the array of printhead nozzles.

公开(公告)号：US20220001622A1

公开(公告)日：2022-01-06

申请号：US17285055

申请日：2019-04-26

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Sergio GONZALEZ MARTIN ,  Manuel FREIRE GARCIA ,  Ismael FERNANDEZ AYMERICH

IPC: B29C64/386 ,  B33Y50/02

Abstract: Certain examples relate to generating output print data representing at least one object. Output print data is generated by performing a geometric transformation on a part of object model data representing the identified region. The object model data represents the at least one object to be printed. The geometric transformation may use a transformation parameter which is determined based at least on the object model data and object property data. The object obtain input print data comprising property data identifies a region of the at least one object and associates it with a selected physical property.

公开(公告)号：US20210349440A1

公开(公告)日：2021-11-11

申请号：US17267389

申请日：2019-01-31

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Victor DIEGO GUTIERREZ ,  Jordi SANROMA GARRIT ,  Manuel FREIRE GARCIA ,  Enrique GURDIEL GONZALEZ

IPC: G05B19/4099 ,  B33Y50/00 ,  B29C64/386 ,  B22F10/80

Abstract: In an example, a method includes receiving, at least one processor, object model data representing at least a portion of an object that is to be generated by an additive manufacturing apparatus by fusing build material within a fabrication chamber, wherein the object model data comprises a mesh model comprising data describing a surface of the object. A geometrical compensation vector may be determined for the object model data, the geometrical compensation vector having a first component applying to a first axis of the fabrication chamber and a second component applying to a second axis of the fabrication chamber. A geometrical compensation to apply to at least one location on the surface of the object may be determined by determining a product of the geometrical compensation vector and a vector indicative of the normal of the object surface at the location and the determined geometrical compensation may be applied to the object model data to generate modified object model data.

公开(公告)号：US20210339478A1

公开(公告)日：2021-11-04

申请号：US17252321

申请日：2019-01-23

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Sergio GONZALEZ MARTIN ,  Manuel FREIRE GARCIA ,  Jordi SANROMA GARRIT

IPC: B29C64/393 ,  B29C64/20 ,  G06K15/02

Abstract: An apparatus has a processor and a machine-readable storage medium storing machine-readable instructions executable by the processor. The machine-readable instructions cause the processor to, upon obtaining an indication that a calibration of a 3D printing machine is to be performed, arrange user calibration objects to be printed and calibration objects to be printed and to be used in the calibration in a virtual build volume. Arranging calibration objects in the virtual build volume comprises arranging the calibration objects at print job specific locations reserved for calibration objects and/or replacing user objects with calibration objects.

公开(公告)号：US20210299968A1

公开(公告)日：2021-09-30

申请号：US17267400

申请日：2018-10-09

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： David RAMIREZ MUELA ,  Manuel FREIRE GARCIA

IPC: B29C64/393 ,  B29C64/295 ,  G06F30/17 ,  B29C64/153

Abstract: In an example, object model data representing at least a portion of an object defining an initial object geometry is received, wherein the object is to be generated by an additive manufacturing apparatus by fusing build material using a radiant heater. Based on a non-uniform radiant heating distribution of the additive manufacturing apparatus, a modified object geometry may be determined, wherein a local modification of the object geometry is determined based on a local radiant heating parameter determined from the non-uniform radiant heating distribution.

公开(公告)号：US20210181714A1

公开(公告)日：2021-06-17

申请号：US17270379

申请日：2019-01-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Enrique GURDIEL GONZALEZ ,  Victor DIEGO GUTIERREZ ,  Manuel FREIRE GARCIA

IPC: G05B19/4099 ,  B33Y50/00 ,  B22F10/80 ,  B29C64/386

Abstract: In an example, a method includes receiving, at at least one processor, object model data representing at least a portion of an object that is to be generated by an additive manufacturing apparatus by fusing build material within a fabrication chamber. At least one of a plurality of different geometrical compensation models to be applied to the object model data may be selected wherein the geometrical compensation models are to determine geometrical compensations to compensate for object deformation In additive manufacturing. An object generation operation based on a modification of the object model data using the or each selected geometrical compensation mode may be simulated and predicted attributes of the object when generated based on the or each simulation may be displayed.