公开(公告)号：US11654632B2

公开(公告)日：2023-05-23

申请号：US15734574

申请日：2019-01-24

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

Inventor： Sergio Gonzalez Martin ,  Jordi Gonzalez Rogel ,  Roger Tarres Noguera

IPC: B29C64/386 ,  B33Y50/00 ,  B22F10/80 ,  G05B19/4099 ,  G06F30/10 ,  G06F113/10

CPC classification number: B29C64/386 ,  B22F10/80 ,  B33Y50/00 ,  G05B19/4099 ,  G05B2219/49023 ,  G06F30/10 ,  G06F2113/10

Abstract: In an example, a method includes receiving, at a processor, object model data representing an object that is to be generated by an additive manufacturing apparatus by fusing build material within a fabrication chamber wherein a dimensional compensation has been applied to the object model data based on an expected object placement position. The method may comprise receiving, from the additive manufacturing apparatus, an indication of an object generation placement position within a fabrication chamber where the object is to be generated and comparing, by the processor, the expected object placement position with the object generation placement position. If the expected object placement position matches the object generation placement position, the method may comprise determining, by the processor, that the dimensional compensation is valid and otherwise determining, by the processor, that the dimensional compensation is invalid.

公开(公告)号：US20220314548A1

公开(公告)日：2022-10-06

申请号：US17642252

申请日：2019-10-21

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

Inventor： Sergio Gonzalez Martin ,  Manuel Freire Garcia ,  Ismael Fernandez Aymerich

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

Abstract: A computer-implemented method is disclosed. The computer-implemented method comprises receiving data indicative of a post-manufacture treatment to be applied to a three-dimensional object following completion of a manufacturing process to generate the three-dimensional object; and determining, based on the received data indicative of the post-manufacture treatment, build parameters to be applied in respect of the manufacturing process. A manufacturing apparatus and a machine-readable medium are also disclosed.

公开(公告)号：US20220274339A1

公开(公告)日：2022-09-01

申请号：US17629122

申请日：2019-10-29

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

Inventor： Jordi Gonzalez Rogel ,  Scott A. White ,  Helen Balinsky ,  Alberto Such Vicente ,  Sergio Gonzalez Martin

IPC: B29C64/386 ,  G06F21/60

Abstract: Object model data modification is described in which object model data defining a three dimensional model to be generated by a three-dimensional printer may be obtained. Data relating to a first sensitive portion of the model may be obtained, the first sensitive portion representing a portion of the model to be concealed. Modified object model data in generated, the modified object model data including a first version of the three dimensional model that is represented in a first pre-processing application without exposing the first sensitive portion, and including the first object model data defining the three dimensional model for printing by a three-dimensional printer.

公开(公告)号：US11366454B2

公开(公告)日：2022-06-21

申请号：US17051559

申请日：2018-08-20

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

Inventor： Sergio Gonzalez Martin ,  Alex Carruesco Llorens ,  Arturo Domingo Millan ,  Matthew A. Shepherd

IPC: G05B19/4099 ,  B33Y50/00 ,  B29C64/386 ,  G06T15/08

Abstract: In one example, a representation of a volume of a part to be printed by an additive manufacturing system is generated, where the representation depicts a plurality of voxels. A plurality of slices of the representation are generated. Each slice relates to a plurality of voxels within a first plane. A first process is performed in respect of a slice of the plurality of slices, wherein in the first process at least one voxel that has a predetermined colour and is located on a predetermined surface of the part is identified and a data file is updated to include data representative of the identified at least one voxel. The first process is repeated in respect of another slice. A three-dimensional preview of the part to be printed is generated based on the data file.

公开(公告)号：US20210407038A1

公开(公告)日：2021-12-30

申请号：US16605567

申请日：2018-06-26

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

Inventor： Alex Carruesco Llorens ,  Sergio Gonzalez Martin

IPC: G06T3/40 ,  G06T11/00 ,  B29C64/386

Abstract: In an example, an apparatus comprises processing circuitry, the processing circuitry comprising: memory, to store a two-dimensional pixel representation of a layer of an object to be made in an additive manufacturing process and pixel information, the pixel information specifying pixels representing a surface of the object and colour for the pixels representing the surface; and an image processor, to generate a downscaled representation of the layer and to process the downscaled representation to propagate colour from pixels representing the surface of the object in the downscaled representation to neighbouring pixels representing an interior of the object in the downscaled representation.

公开(公告)号：US12197187B2

公开(公告)日：2025-01-14

申请号：US17417784

申请日：2019-06-26

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

Inventor： Sergio Gonzalez Martin ,  Manuel Freire Garcia ,  Leticia Rubio Castillo

IPC: G05B19/40 ,  B22F10/14 ,  B22F10/80 ,  G05B19/4099 ,  G06F30/23

Abstract: In an example, a method includes receiving, at least one processor, voxelised object model data describing at least part of an intended fabrication chamber content to be generated using additive manufacturing. The voxelised object model data may be derived from a first data set modelling a first object as 2D slices and a second data set modelling a second object as a 3D mesh. Data within the voxelised object model data which is derived from the first data set may be identified, and a geometrical transformation may be applied thereto.

公开(公告)号：US20240066802A1

公开(公告)日：2024-02-29

申请号：US17823767

申请日：2022-08-31

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

Inventor： Sergio Gonzalez Martin ,  Manuel Freire Garcia ,  Alejandro Manuel de Pena Hempel ,  Ismael Fernandez Aymerich

IPC: B29C64/393 ,  B33Y50/02

CPC classification number: B29C64/393 ,  B33Y50/02 ,  B29C64/165

Abstract: In some examples, a system receives measurement data from measurements of first three-dimensional (3D) parts formed on a build bed of an additive manufacturing machine with different contone levels of a liquid agent, and determines, based on the measurement data, geometrical deviations of the first 3D parts from a baseline geometrical property. The system generates, based on the determined geometrical deviations, a model that correlates contone levels of the liquid agent to corresponding geometrical deviations, the model for use in an adjustment of the liquid agent based on a contone level adjustment to compensate for a geometrical deviation when building second 3D parts with the additive manufacturing machine or another additive manufacturing machine.

公开(公告)号：US11833758B2

公开(公告)日：2023-12-05

申请号：US17246051

申请日：2021-04-30

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

Inventor： Jordi Roca Vila ,  Sergio Gonzalez Martin ,  Jordi Sanroma Garrit

IPC: B29C64/393 ,  B29C64/386 ,  G06T17/20 ,  B33Y10/00 ,  B33Y50/00

CPC classification number: B29C64/386 ,  B33Y10/00 ,  B33Y50/00 ,  G06T17/20 ,  G06T2210/12

Abstract: In an example implementation, a method of submitting 3D object models to a 3D printing system includes receiving a digital object model as a triangle mesh, and integerizing floating-point X, Y, Z, coordinate values of triangle vertices that define triangles of the triangle mesh. The method includes storing the digital object model in a 3D print file as an integerized triangle mesh comprising the integerized X, Y, Z, coordinate values, and then submitting the 3D print file with the integerized triangle mesh to the 3D printing system to produce the 3D object.

公开(公告)号：US11449029B2

公开(公告)日：2022-09-20

申请号：US15734582

申请日：2019-01-30

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

Inventor： Sergio Gonzalez Martin ,  Leticia Rubio Castillo ,  Jordi Roca Vila

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

Abstract: An apparatus has a processor and a machine-readable storage medium storing machine-readable instructions executable by the processor. The processor is to create a 3D print job defining a spatial arrangement of objects to be printed such that each object or each object portion is arranged in a region or regions having a build material layer thickness corresponding to a user-specified build material layer thickness and such that objects or object portions having different build material layer thicknesses are arranged in different regions. Different build material layer thicknesses may be user-specified for different objects or different object portions.

公开(公告)号：US11376796B2

公开(公告)日：2022-07-05

申请号：US16606033

申请日：2018-07-23

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

Inventor： Jordi Roca Vila ,  Sergio Gonzalez Martin ,  Daniel Mosher ,  David A. Champion ,  Jun Zeng

IPC: B33Y50/02 ,  B29C64/393 ,  B29C64/165 ,  B33Y10/00

Abstract: A printing device for adapting a printing parameter in relation to the height of a layer of material deposited during an additive manufacturing process is disclosed. The printing device comprises a printing component to deposit a layer of material that is to be solidified so as to form at least a portion of an object, a controller to determine the height of the layer of material at various positions across the layer and to select voxels of a data model of the object, the selected voxels correspond to the height of the layer of material at said various positions, and the controller is further to use the selected voxels as input for calculating a printing parameter.