发明授权
- 专利标题: Apparatus and method for shearing material
- 专利标题(中): 剪切材料的设备和方法
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申请号: US696132申请日: 1996-08-13
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公开(公告)号: US5901627A公开(公告)日: 1999-05-11
- 发明人: Kenneth C. Johnson , Christopher A. Zurek
- 申请人: Kenneth C. Johnson , Christopher A. Zurek
- 申请人地址: IL Addison
- 专利权人: Littell International, Inc.
- 当前专利权人: Littell International, Inc.
- 当前专利权人地址: IL Addison
- 主分类号: B26D7/06
- IPC分类号: B26D7/06 ; B23D15/00 ; B23D15/06 ; B23D33/02 ; B23D33/08 ; B23D35/00 ; B23K26/26 ; B26D1/08 ; B26D5/42 ; B26D7/02
摘要:
The present invention relates to shearing apparatus, and method of operating the same. The apparatus may include a plurality of spring clamping members positioned longitudinally along a first die shoe, the clamping members positioned in raised stepped sequence from a centerline perpendicular to longitudinal sides of the die shoe to sequentially contact with the sheet material. The shearing apparatus may include a die assembly having linear bearings and guide rails for guiding movement of the die shoe, and gas springs which return the die shoe to the open position. The shearing apparatus provides straight cuts with a maximum cut-edge tolerance of 0.0015 inch. The shearing apparatus may include a second die shoe having an angled blade to allow a higher shear to break ratio.
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