公开(公告)号：US20240393773A1

公开(公告)日：2024-11-28

申请号：US18793518

申请日：2024-08-02

Applicant: General Electric Company

Inventor： Pinghai Yang ,  Hongqing Sun ,  Manuel Acosta ,  Ruben E. Fairman

IPC: G05B19/418 ,  B23K26/342 ,  G05B13/04

Abstract: Methods and apparatus for two-dimensional and three-dimensional scanning path visualization are disclosed. An example apparatus includes at least one memory, instructions in the apparatus, and processor circuitry to execute the instructions to identify at least one melt pool dimension using a beam parameter setting, the at least one melt pool dimension identified from a plurality of melt pool dimensions obtained by varying the beam parameter setting, identify a response surface model based on the plurality of melt pool dimensions to determine an effect of variation in the beam parameter setting on the at least one melt pool dimension, output a three-dimensional model of a scanning path for an additive manufacturing process using the response surface model, and adjust the beam parameter setting based on the three-dimensional model to identify a second beam parameter setting.

公开(公告)号：US20240383205A1

公开(公告)日：2024-11-21

申请号：US18442572

申请日：2024-02-15

Applicant: General Electric Company

Inventor： Daniel Endecott Osgood ,  Bathrinarayanan Mukundan ,  Vaibhav Dabaria ,  Justin Michael Stekli ,  Xuefeng Zhang ,  Pinghai Yang

IPC: B29C64/386 ,  B33Y50/00

Abstract: A computer program product comprising a non-transitory computer-readable medium storing instructions, that when executed by a computer processor, cause the computer processor to discretize distinct surfaces of a 3D model defining nominal geometry of a component to be manufactured using an additive manufacturing machine; define a build orientation of the 3D model, the build orientation comprises an initial build plane and a build direction; apply one or more in-plane offsets to at least one of the discretized distinct surfaces of the 3D model; and generate an offset 3D model for use by the additive manufacturing machine to manufacture the component such that a manufactured component comprises the nominal geometry defined by the 3D model, where the offset 3D model defines the nominal geometry of the component offset by the one or more in-plane offsets applied to the at least one of the discretized distinct surfaces of the 3D model.

公开(公告)号：US11155034B2

公开(公告)日：2021-10-26

申请号：US15193612

申请日：2016-06-27

Applicant: General Electric Company

Inventor： Pinghai Yang ,  James William Sears ,  Steven Charles Woods ,  Michael Evans Graham

IPC: B29C64/386 ,  G05B19/4099 ,  G01B21/20 ,  B33Y50/00

Abstract: According to some embodiments, system and methods are provided comprising generating a nominal computer-aided design (CAD) image of a component; producing a physical representation of the component from the nominal CAD image using an additive manufacturing (AM) process; measuring the physical component to obtain measurement data; determining a deviation between geometry associated with the nominal CAD image and the obtained measurement data; determining a compensation field for the deviation, if the deviation is outside of a tolerance threshold; modifying the nominal CAD image by the compensation field; and producing a physical representation of the component from the modified nominal CAD image. Numerous other aspects are provided.

公开(公告)号：US20190299309A1

公开(公告)日：2019-10-03

申请号：US16302809

申请日：2017-05-05

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yong Yang ,  Bin Wei ,  Salahshoor Pirsoltan Meisam ,  Ming Jia ,  Huiyu Xu ,  Yibo Gao ,  William T. Carter ,  Andrew L. Trimmer ,  Singh Prabhjot ,  Pinghai Yang

IPC: B23H3/04 ,  B22F3/24

Abstract: A system is configured for machining a workpiece (100), the workpiece includes an interior surface (110) that defines an internal passage (112). The system includes an electrode (116) located within the internal passage and electrically isolated from the workpiece, an electrolyte supply, a power supply, and a remover. The electrolyte supply is configured for circulating an electrolyte in a gap between the electrode and the workpiece. The power supply is configured for applying a voltage between the electrode and the workpiece to facilitate smoothing the interior surface. The remover is configured for completely removing the electrode from within the internal passage after smoothing the interior surface.

公开(公告)号：US20230117766A1

公开(公告)日：2023-04-20

申请号：US17968188

申请日：2022-10-18

Applicant: General Electric Company

Inventor： Pinghai Yang ,  Kenneth Hix ,  Johanna L. Sumner ,  Brian S. McCarthy ,  Michelle Brault

IPC: G06F30/12 ,  B33Y50/02

Abstract: A system and method for creating pre-compensated parts through additive manufacturing by providing more precise compensation in part regions either through a user specified selection of the region or an automatic selection of the region. An additive manufacturing system first generates a computer-aided design (CAD) image and then measures the physical representation of the component, then determines the amount to be compensated and generates a compensation field using multi-level b-spline morphing over the entire part to create a 3-D part. Embodiments can also include automation to determine the best level to morph all the points on the entire additive manufactured part, using incremental morphs, determining the correct morphing level locally, and using weights to determine what regions receive high level morphs as they are compensated.

公开(公告)号：US11537111B2

公开(公告)日：2022-12-27

申请号：US16837721

申请日：2020-04-01

Applicant: General Electric Company

Inventor： Pinghai Yang ,  Hongqing Sun ,  Manuel Acosta ,  Ruben E. Fairman

IPC: G05B19/418 ,  G05B13/04 ,  B23K26/342

Abstract: Methods and apparatus for two-dimensional and three-dimensional scanning path visualization are disclosed. An example apparatus includes a parameter determiner to determine at least one of a laser beam parameter setting or an electron beam parameter setting, a melt pool geometry determiner to identify melt pool dimensions using the parameter setting, the melt pool geometry determiner to vary the parameter setting to obtain multiple melt pool dimensions, and a visualization path generator to generate a three-dimensional view of a scanning path for an additive manufacturing process using the identified melt pool dimensions. The visualization path generator adjusts the laser beam parameters based on the generated three-dimensional view.

公开(公告)号：US20190001658A1

公开(公告)日：2019-01-03

申请号：US15638966

申请日：2017-06-30

Applicant: General Electric Company

Inventor： Harry Kirk Mathews, JR. ,  Michael Evans Graham ,  Pinghai Yang ,  Tyler Nelson

IPC: B33Y50/02 ,  B33Y10/00 ,  B33Y30/00

Abstract: A computer-enabled device for dynamically creating or modifying at least a portion of an additive manufacturing build for making a part is provided. The device is in direct or indirect communication with one or more additive manufacturing machines that use one or more build parameters. The device is configured to analyze a plurality of build information pertaining to the part. The device is also configured to assess whether one or more differences between the pre-existing data and the non-pre-existing data will result in a deviation from, or improvement to, the part, the additive manufacturing build, or both and automatically create or modify, one or more of the build parameters of the part, at least a portion of the additive manufacturing build, or a combination thereof, based on the assessment of the one more differences.

公开(公告)号：US20160179984A1

公开(公告)日：2016-06-23

申请号：US14579200

申请日：2014-12-22

Applicant: General Electric Company

Inventor： Teresa Tianshu Chen-Keat ,  Li Zheng ,  Nicholas Joseph Kray ,  Pinghai Yang ,  Ruben Egberto Fairman ,  Michael Scott Hartle

IPC: G06F17/50 ,  G06T17/00

CPC classification number: G06T17/00 ,  B29C70/30 ,  G06F17/5018 ,  G06F2217/44

Abstract: A method for generating a computer model of a composite component includes generating a surface mesh based on a ply drop region and a ply curved surface and generating node data including a plurality of node points relative to the ply drop region. The method also includes receiving composite data relating to a plurality of composite plies and generating a three dimensional model based on the composite data. The method further includes receiving layup table information and applying the node data, based on the layup table information, to generate a curve through a center of the surface mesh to define a plurality of element sets. The method also includes receiving composite draping data and determining, based on the draping data, where each element set intersects the three dimensional model. The method also includes analyzing an angle deviation of the plies based on the intersection of the element sets.

Abstract translation: 一种用于生成复合部件的计算机模型的方法包括：基于层叠区域和层叠曲面生成表面网格，并生成包括相对于层叠区域的多个节点的节点数据。 该方法还包括接收与多个复合层相关的复合数据，并且基于复合数据生成三维模型。 所述方法还包括基于所述铺垫表信息来接收叠加表信息和应用所述节点数据，以通过所述表面网格的中心生成曲线以限定多个元素集合。 该方法还包括接收复合覆盖数据，并且基于悬垂数据确定每个元素集合与三维模型相交的位置。 该方法还包括基于元件组的交点分析层的角度偏差。

公开(公告)号：US12151431B2

公开(公告)日：2024-11-26

申请号：US18199084

申请日：2023-05-18

Applicant: General Electric Company

Inventor： Xiaolei Shi ,  Jinjie Shi ,  Joseph Edward Hampshire ,  Douglas Frank Hofmann ,  Pinghai Yang

IPC: B29C64/393 ,  B29C64/153 ,  B29C64/209 ,  B29C64/245 ,  B29C64/268 ,  B33Y50/02 ,  B29L31/08 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y80/00

Abstract: A method for additively printing extension segments on workpieces using an additive manufacturing machine includes controlling, with a computing system, an operation of a print head of the machine such that a region of interest of a build plate of the machine is scanned with an electromagnetic radiation beam. Additionally, the method includes receiving, with the computing system, data associated with reflections of the beam off of the build plate as the region interest is scanned. Furthermore, the method includes receiving, with the computing system, data associated with a location of the beam relative to the build plate. Moreover, the method includes determining, with the computing system, a location of a workpiece interface based on the received data. In addition, the method includes controlling, with the computing system, the operation of the print head such that an extension segment is additively printed on the determined workpiece interface.

公开(公告)号：US20230302539A1

公开(公告)日：2023-09-28

申请号：US17704696

申请日：2022-03-25

Applicant: General Electric Company

Inventor： Brian S. McCarthy ,  Pinghai Yang ,  Vipul Kumar Gupta ,  Andrey I. Meshkov ,  Rajesh Bollapragada

IPC: B22F10/80 ,  B23K26/082 ,  B23K26/34 ,  B23K26/70 ,  B33Y50/00

CPC classification number: B22F10/80 ,  B23K26/082 ,  B23K26/34 ,  B23K26/702 ,  B33Y50/00

Abstract: A system and method for analyzing build files in an additive manufacturing process in order to predict defects in an additive part. The system and method further include the steps of reading an additive build file containing a set of scan paths of a three-dimensional (3D) object for a build, the set of scan paths comprising a plurality of points, creating a transfer function from parameters in the build file that corresponds to a local melt pool shape at each point of the plurality of points along the scan paths, and identifying potential defective portions of the additive part including at least one of pores, excessive melting, or surface finish based on the transfer function.