发明名称 Punching machine with spring-supported work support
摘要 A punching machine is provided with a tool holder for a punching tool and a die having a cutting edge which can be passed by the punching tool in a machining stroke direction and a return stroke direction. The machine includes at least one work support, supported by at least one spring element. The work support is arranged in the region of the die, and the spring force of the spring element is adjustable.
申请公布号 US7757535(B2) 申请公布日期 2010.07.20
申请号 US20080336898 申请日期 2008.12.17
申请人 TRUMPF WERKZEUGMASCHINEN GMBH + CO. KG 发明人 BYTOW PETER
分类号 B21D43/00;B21D26/00;B21D28/26;B21D28/34;B21D37/00;B21J7/12;B26D7/20 主分类号 B21D43/00
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