Evaluation of Die Wear with Stamping Bare DP1180 steel

Paper #:
  • 2017-01-0310

Published:
  • 2017-03-28
Abstract:
The die wear properties were investigated in real production condition using a prog-die with up to 70,000 hits using DP1180 steel. In total, 14 die inserts with the combination of 6 die materials and 5 coating methods of surface treatment were evaluated. The analytical results of die service life for each insert were provided by examining the surface condition of formed (flanged) part. The moments of appearance of die defects, propagation of die defects, and catastrophic failure were determined. Moreover, the surface roughness of the formed parts for each die insert after 70,000 hits were characterized using Wyko NT110 machine. The current study provides the guidance for the die material and coating selections in successful stamping production using next generation AHSSs. Keywords: Die wear; Roughness; AHSS; Stamping, Die Surface Treatment, Die Steel
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