公开(公告)号：US20160221255A1

公开(公告)日：2016-08-04

申请号：US14910920

申请日：2014-09-04

Applicant: Pei-Chung WANG ,  GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang

IPC: B29C65/00 ,  B23K20/22 ,  B29C65/08 ,  B23K20/10

CPC classification number: B29C66/00441 ,  B23K20/106 ,  B23K20/22 ,  B29C65/08 ,  B29C66/472 ,  B29L2009/00 ,  B29L2031/30

Abstract: An apparatus and processes for protecting an ultrasonic welding horn (504) during welding of polymeric composites, use a thin separator, or membrane (502) configured to transfer high-frequency acoustic vibrations while keeping the horn (504) isolated from molten workpiece material. Systems and methods for welding polymeric composites, use a conductive mechanical intermediary, reducing cycle time, compensating for any surface unevenness, and improving weld accuracy and connection strength.

Abstract translation: 一种用于在焊接聚合物复合材料期间保护超声焊接喇叭（504）的装置和方法，使用配置成在保持喇叭（504）与熔融工件材料隔离的同时传递高频声振动的薄隔板或膜（502）。 用于焊接聚合物复合材料的系统和方法，使用导电机械中介，减少循环时间，补偿任何表面凹凸，并提高焊接精度和连接强度。

公开(公告)号：US20230226636A1

公开(公告)日：2023-07-20

申请号：US17648040

申请日：2022-01-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhenke Teng ,  Pei-chung Wang ,  Jason M. Brown

IPC: B23K11/11 ,  F16B5/08

CPC classification number: B23K11/115 ,  F16B5/08

Abstract: Methods for resistance welding, resistance-welded assemblies, and vehicles including resistance-welded assemblies are provided. An exemplary resistance welding method includes compressing a workpiece stack-up with an interface material between first and second workpieces to squeeze a portion of the interface material to a reduced thickness. After compressing the workpiece stack-up, the first welding electrode contacts the first workpiece at an operating contact area between the first welding electrode and the first workpiece that is greater than an initial contact area. The method also includes passing an electrical current between the welding electrodes to form a molten weld pool within the workpieces, and ceasing the passing of the electrical current between the welding electrodes to allow the molten weld pool to solidify into a weld nugget that forms all or part of a weld joint between the workpieces.

公开(公告)号：US20230056400A1

公开(公告)日：2023-02-23

申请号：US17405433

申请日：2021-08-18

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Debejyo Chakraborty ,  Miguel Arturo Saez ,  John Patrick Spicer ,  Pei-chung Wang ,  Spyros P. Mellas ,  Wayne Cai ,  James M. Ward

IPC: B23K9/095 ,  B23K9/12

Abstract: Systems, methods, and apparatuses of a welding system are disclosed and include a first stage of a scanning device for scanning weld parts to generate a three-dimensional (3D) profile of a weld target wherein the 3D profile captures matching imperfections of a meeting together of the set of weld parts when performing the weld operation; and the second stage of a monitoring device to monitor the weld operation and to generate a data of high-resolution measurements of the weld operation; wherein the first stage further includes the monitoring device determining a weld schedule based on the 3D profile, and to adjust the weld schedule while the weld operation progresses to adapt to predicted distortion based on the 3D profile and to sensed distortion; wherein the second stage further includes a plurality of sensors to sense a set of components associated with the weld operation to generate high-resolution data of measurements.

公开(公告)号：US11193520B2

公开(公告)日：2021-12-07

申请号：US15955167

申请日：2018-04-17

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mark O. Vann ,  Pei-chung Wang

IPC: F16B13/04 ,  F16B19/10 ,  F16B5/04 ,  B21J15/02 ,  F16B19/04

Abstract: A fastener assembly for use with one or more workpieces. The fastener assembly can be a single-sided (i.e., blind) fastener assembly in which the fastener assembly is inaccessible from one side of the workpiece(s). In this regard, the workpiece(s) can make-up an enclosed component, for example. The fastener assembly can have a fastening end, such as a threaded stud, for securement with a distinct component that is otherwise detached from the fastener assembly. The workpiece(s) can be composed of a carbon fiber composite material, an aluminum material, or another type of material.

公开(公告)号：US20210237211A1

公开(公告)日：2021-08-05

申请号：US16778885

申请日：2020-01-31

Applicant: GM Global Technology Operations LLC

Inventor： Miguel A. Saez ,  John P. Spicer ,  Spyros P. Mellas ,  Richard J. Skurkis ,  Pei-chung Wang ,  James W. Wells ,  Wayne Cai ,  Dooil Hwang

IPC: B23K37/04 ,  G05B19/402

Abstract: A clamp system and method for measurement and control of welding a first substrate to a second substrate is provided. The system comprises a squeeze clamp having to a first end and a second end. The system further comprises a motor connected to the squeeze clamp such that the first and second ends are movable to clamp the first substrate to the second substrate. The system further comprises at least one of an electromagnetic flux sensor, a current sensor, a position sensor, and a gap sensor disposed on one of the first and second ends for determining a first measured variable between the first and second substrates. The system further comprises a controller to control the motor to clamp the first substrate to the second substrate based on the first measured variable. The controller is in communication with the electromagnetic flux sensor, the current sensor, and the gap sensor.

公开(公告)号：US10981245B2

公开(公告)日：2021-04-20

申请号：US16580289

申请日：2019-09-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang ,  Tae Hwa Lee ,  Bradley J. Blaski

IPC: B23K20/10 ,  B29C65/08 ,  B23K101/36

Abstract: Apparatus are provided for ultrasonic welding of a workpiece of one or more components. The apparatus includes a horn configured to contact the workpiece and to transmit energy to the workpiece. The horn includes a shank and a tip disposed at an end of the shank facing the workpiece. The tip has a face that has a tip radius forming a curved surface at the face. A knurl is formed on the face across the curved surface.

公开(公告)号：US20210107086A1

公开(公告)日：2021-04-15

申请号：US16598474

申请日：2019-10-10

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang ,  Michael J. Karagoulis ,  Spyros P. Mellas ,  Zhenke Teng

IPC: B23K11/16 ,  B23K11/20 ,  B23K11/11

Abstract: A method of forming an assembly includes providing a metallic first workpiece having base and a first layer disposed on the base and adhering a second layer onto the first layer. One of the first and second layers is formed of a zinc-based material formed of at least a majority of zinc, and the other of the first and second layers is formed of a metallic alloying material having a melting point higher than the melting point of the zinc-based material. Preferably, the first layer is formed of the zinc-based material, and the second layer is formed of the metallic alloying material with the higher melting point. A metallic second workpiece is disposed in contact with the second layer. A welding operation is performed to join the first workpiece to the second workpiece. A welded assembly is also provided.

公开(公告)号：US20210086287A1

公开(公告)日：2021-03-25

申请号：US16576938

申请日：2019-09-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang ,  Michael J. Karagoulis ,  Spyros P. Mellas ,  Steven Cipriano

IPC: B23K11/20 ,  B23K11/30

Abstract: A method of joining a multiple member work-piece includes providing a first steel work-piece having a first thickness and a second steel work-piece having a second thickness. The first thickness is at least twice the second thickness. A third material is disposed in contact with the second steel work-piece. For example, the third material may be in the form of a rivet, a plurality of pins, or a coating material. The method includes resistance welding the first and second work-pieces together. A bonded assembly includes the first and second steel members and the third material being bonded together, where the thickness of the first member is at least twice the thickness of the second member.

公开(公告)号：US10722936B2

公开(公告)日：2020-07-28

申请号：US15888591

申请日：2018-02-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang ,  Bradley J. Blaski ,  Richard C. Janis ,  Mark A. Voss

IPC: B29C65/72 ,  B29C65/56 ,  B29C65/82 ,  B29C65/36 ,  B29C65/48 ,  B29C65/60 ,  B21J15/02 ,  B21J15/14 ,  B21J15/28 ,  B62D65/02 ,  B29C65/00 ,  B29C65/02 ,  B32B7/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/20 ,  B32B27/34 ,  B32B37/12 ,  B32B37/18 ,  B32B38/00 ,  B29L31/30 ,  B29K105/24 ,  B29C65/10 ,  B29C65/14 ,  B29K77/00 ,  B29K307/04

Abstract: A method of rivet bonding a workpiece stack-up that includes one or more polymer composite workpieces, such as carbon fiber composite workpieces, involves several steps. In one step, adhesive is applied to a surface of the workpiece stack-up. In another step, workpieces—including the polymer composite workpiece(s)—are brought together. In yet another step the adhesive is partially or more cured. A rivet is installed through the workpiece stack-up and through the adhesive in another step. The method strengthens the resulting rivet-bonded joint by minimizing or altogether precluding fracture, cracking, and/or delamination thereat.

公开(公告)号：US20190240723A1

公开(公告)日：2019-08-08

申请号：US15888591

申请日：2018-02-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Pei-chung Wang ,  Bradley J. Blaski ,  Richard C. Janis ,  Mark A. Voss

IPC: B21J15/14 ,  B21J15/02 ,  B21J15/28 ,  B32B37/12 ,  B32B37/18 ,  B32B38/00 ,  B32B7/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/20 ,  B32B27/34 ,  B29C65/00 ,  B29C65/48 ,  B29C65/60

Abstract: A method of rivet bonding a workpiece stack-up that includes one or more polymer composite workpieces, such as carbon fiber composite workpieces, involves several steps. In one step, adhesive is applied to a surface of the workpiece stack-up. In another step, workpieces—including the polymer composite workpiece(s)—are brought together. In yet another step the adhesive is partially or more cured. A rivet is installed through the workpiece stack-up and through the adhesive in another step. The method strengthens the resulting rivet-bonded joint by minimizing or altogether precluding fracture, cracking, and/or delamination thereat.