发明名称 PUNCHING TOOL
摘要 Stamping tool, in particular a cutting rule, for dividing or perforating flat materials, and production of the tool. To create a stamping tool with improved properties, in particular with an automatic leveling in a flat-bed stamping machine and/or in a rotation stamping machine, embodiments provide that from a thermally treated and/or quenched and tempered steel strip, shaped on the narrow sides with, on the one hand, a back part with a convex contour in cross section or a contour composed of several projecting convex regions, which contour has recesses in some places transverse to the longitudinal extension and perpendicular to the lateral surfaces, shaped in a chipless manner by cold forming or embossing with free spreading of the material, wherein the extent of the spreading is smaller than the steel strip thickness and the undeformed regions between the recesses can be plastically deformed with a startup of the tool.
申请公布号 EP2528711(A1) 申请公布日期 2012.12.05
申请号 EP20110701446 申请日期 2011.01.17
申请人 BOEHLER-UDDEHOLM PRECISION STRIP GMBH 发明人 HAAS, ANTON
分类号 B23P15/40;B21D37/20;C21D9/22 主分类号 B23P15/40
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