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1. 发明授权

US4638665A Tube bender 失效
标题翻译：弯管机
公开(公告)号：US4638665A
公开(公告)日：1987-01-27
申请号：US783734
申请日：1985-10-03
申请人： David A. Benson , Ray A. Dilts
发明人： David A. Benson , Ray A. Dilts
IPC分类号： B21D7/06 , B21D9/05
CPC分类号： B21D7/06
摘要： A bending machine is provided to form a multiplicity of predetermined types of bends within several planes in elongated, heavy gauge workpieces of various sizes and shapes by pressure between a stack of dies and a pair of swingable anvil plates carried by elongated wings each of which is, in turn, swingable to adjust the distance between the anvils. Slide rails for the workpiece are readily accessible for loading and unloading. The die stack includes releasable vise-like clamps which grip the workpiece to preclude distortion during bending, and the stack can be raised or lowered to provide proper alignment of preselected die units of the stack.
摘要翻译：提供弯曲机以在多个尺寸和形状的细长的重型工件中在多个平面内形成多个预定类型的弯曲，其中，所述工件在一堆模具与一对可摆动的砧座板之间施加压力，所述可摆动的砧板由细长的翼片承载，反过来，可摆动以调整砧座之间的距离。用于工件的滑轨易于进行装载和卸载。模具堆叠包括可释放的虎钳状夹具，其夹持工件以防止弯曲期间的变形，并且堆叠可升高或降低以提供堆叠的预选模具单元的适当对准。

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