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Studies on the Effect of Tool Wear on the Production Process in Two Stage Shear Cutting
Abstract:
The formability requirements of high-strength steels are increasing as a result of progressive lightweight construction. An innovative two-stage shear cutting process has been developed in order to meet these requirements. It significantly reduces the edge crack sensitivity of the material in the cutting zone. Studying the effect of worn tool elements on process safety is a key focus for the ongoing improvement of this production process. A production-based tool condition was simulated by creating different cutting edge radii on the active tool elements. Collaring tests showed a reduction of residual formability through wear of up to 65% for high-strength heavy plates (plate thickness > 3 mm).
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Pages:
1261-1270
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Online since:
July 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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