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    • 10. 发明授权
    • Method for stamping a part from a multi-layered strip
    • 从多层条冲压零件的方法
    • US06401510B1
    • 2002-06-11
    • US09331814
    • 1999-06-25
    • Thomas L. MorseAlfred D. NelsonBrian D. Johnson
    • Thomas L. MorseAlfred D. NelsonBrian D. Johnson
    • B21D2810
    • G11B5/7315B26D3/085B26F1/40G11B5/8404Y10T83/0581Y10T83/8832
    • A method of stamping a part from an elongated strip of multi-layered material. The multi-layered material includes a viscoelastic intermediate layer, and upper and lower layers that are relatively rigid with respect to the intermediate layer. The method includes providing symmetrically aligned top and bottom punches each including a material displacement edge corresponding with a desired shape of the part. Each of the material displacement edges are defined by a rake surface and a part interface surface that combine to form a positive rake angle. The strip is positioned between the top and bottom punches. The top and bottom punches then shear a portion of the upper and lower layers, respectively. More particularly, symmetrical groove patterns are formed in the upper and lower layers, defining a perimeter of the part. The part is then removed from the strip along the perimeter.
    • 一种从细长的多层材料条冲压零件的方法。 多层材料包括粘弹性中间层以及相对于中间层相对刚性的上层和下层。 该方法包括提供对称排列的顶部和底部冲头,其各自包括对应于部件的期望形状的材料位移边缘。 每个材料位移边缘由组合以形成正前角的前倾表面和部件界面表面限定。 带材位于顶部和底部冲头之间。 顶部和底部冲头分别剪切上部和下部的一部分。 更具体地,在上层和下层中形成对称的凹槽图案,限定了该部分的周边。 然后将该部分沿着周边从条带上移除。