Sheet metal forming die laser surface hardening process
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United States of America Patent
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Aug 2, 2022
Grant Date -
Nov 19, 2020
app pub date -
May 17, 2019
filing date -
May 17, 2019
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Abstract
A laser beam is scanned along spaced apart side-by-side laser tracks to form corresponding spaced apart side-by-side hardened metal tracks across a binder surface of the forming die. Each hardened metal track is oriented to extend longitudinally in a direction that is normal to the metal flow direction across the binder surface during a sheet metal forming operation. The scanning forms the corresponding hardened metal tracks across the binder surface without needing to perform a post-hardening machining operation on the sheet metal forming die to remove distortion caused by the laser hardening process.
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