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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10610961 B1

PDFFull Text
Date of Patent:
Apr. 07, 2020

Filed:

Apr. 10, 2017

Apparatus and method for trimming a sheet metal edge

Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Li Sun, Shanghai, CN;

David Yang, Shanghai, CN;

Xiaochuan Xiong, Shanghai, CN;

Assignee:

GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);

Attorney:
Primary Examiner:

Kenneth E Peterson

Assistant Examiner:

Nhat Chieu Q Do

Int. Cl.
CPC ...
B26D 7/10 (2006.01); B23K 26/00 (2014.01); H05B 6/10 (2006.01); B21D 43/28 (2006.01); B23K 26/40 (2014.01); B23K 26/08 (2014.01); B23K 26/082 (2014.01); B23K 26/361 (2014.01); B23K 26/06 (2014.01); B23K 26/073 (2006.01); B23K 101/18 (2006.01); B23K 103/08 (2006.01); B23K 103/14 (2006.01); B23K 103/10 (2006.01); B23K 103/12 (2006.01); B23K 103/04 (2006.01); B23K 103/18 (2006.01);
U.S. Cl.
CPC ...
B23K 26/0093 (2013.01); B21D 43/287 (2013.01); B23K 26/0604 (2013.01); B23K 26/073 (2013.01); B23K 26/082 (2015.10); B23K 26/0876 (2013.01); B23K 26/361 (2015.10); B23K 26/40 (2013.01); B26D 7/10 (2013.01); H05B 6/101 (2013.01); B23K 2101/18 (2018.08); B23K 2103/04 (2018.08); B23K 2103/08 (2018.08); B23K 2103/10 (2018.08); B23K 2103/12 (2018.08); B23K 2103/14 (2018.08); B23K 2103/15 (2018.08); B23K 2103/26 (2018.08);
Abstract

An apparatus for trimming a sheet metal workpiece includes a base to support the sheet metal workpiece at a working position on the base. A shearing tool is connected to the base to trim the sheet metal workpiece by mechanically inducing a shearing stress on the sheet metal workpiece to form an edge at an edge location on the sheet metal workpiece. A heater is connected to the base to define a heated region on the sheet metal workpiece by heating at least the edge location on the sheet metal workpiece after the sheet metal workpiece is in the working position. The apparatus includes a temperature sensor to detect a surface temperature of the heated region.

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