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    • 9. 发明授权
    • Die set with disposable molybdenum die plate and improved window plate for universal gang-punch tool
    • 模具用一次性钼模板和改进的窗板用于通用组合冲压工具
    • US06679146B2
    • 2004-01-20
    • US10045832
    • 2002-01-11
    • James G. BalzMark J. LaPlanteDavid C. LongThomas Weiss
    • James G. BalzMark J. LaPlanteDavid C. LongThomas Weiss
    • B26F104
    • H05K3/005B26D7/1863B26F1/14B26F2210/08Y10T83/04Y10T83/883Y10T83/943Y10T83/9476
    • A die and method of gang punching selective holes in thin sheet materials such as greensheets are provided in which slugs of greensheet material formed during the punching operation easily fall through the die and are removed. The die uses a number of plates one of which is a window plate having openings corresponding to openings in a die plate disposed thereon. The window plate openings have a larger diameter than the die plate openings and also a plurality have an oval shape which oval shape openings provide less resistance to the falling slugs and facilitate removal of the slugs from the die. The window plate also preferably has a central grid open area with the remainder of the plate having vertical through-holes corresponding to the through-holes of the die plate. The die also preferably employs a die plate made from at least two sheets of material, i.e., an upper disposable sheet (die plate) and a lower sheet (sub-die plate) wherein the upper die plate is made from a wear-resistant material such as molybdenum. The upper die plate is preferably made by photolithography techniques.
    • 提供了一种在薄片材料如毛坯中冲孔选择性孔的模具和方法,其中在冲压操作期间形成的毛坯材料块在模具中容易地落下并被去除。 模具使用多个板,其中一个板是具有对应于其上设置的模板中的开口的开口的窗板。 窗板开口具有比模板开口更大的直径,并且多个具有椭圆形形状,椭圆形形状的开口对落下的块塞提供较小的阻力,并且有助于从模头移除块塞。 窗板还优选地具有中央格栅开口区域,其余板的垂直通孔对应于模板的通孔。 模具还优选采用由至少两片材料制成的模具板,即上部一次性片材(模具板)和下部片材(次模具板),其中上模板由耐磨材料制成 如钼。 上模板优选通过光刻技术制成。