Invention Grant
- Patent Title: Fluid-assisted non-isothermal stamping of a sheet blank
- Patent Title (中): 片材坯料的流体辅助非等温冲压
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Application No.: US12828535Application Date: 2010-07-01
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Publication No.: US08671729B2Publication Date: 2014-03-18
- Inventor: Ravi Verma , Jon T. Carter , Paul E. Krajewski
- Applicant: Ravi Verma , Jon T. Carter , Paul E. Krajewski
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Quinn Law Group, PLLC
- Main IPC: B21D37/16
- IPC: B21D37/16

Abstract:
A method for stamping a desired shape from a sheet blank includes providing the sheet blank. The method also includes locally cooling the sheet blank with a stream of fluid in a predetermined area of high stress concentration to be experienced during forming of the sheet blank into a desired shape. The method additionally includes forming the metal sheet blank into the desired shape in a stamping press with a punch. A system employing the method for forming a sheet blank is also disclosed.
Public/Granted literature
- US20110214472A1 FLUID-ASSISTED NON-ISOTHERMAL STAMPING OF A SHEET BLANK Public/Granted day:2011-09-08
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