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Method of pressing sheet metal blanks has edge of blank clamped to die which is filled with pressure fluid to support it during deformation
Method of pressing sheet metal blanks has edge of blank clamped to die which is filled with pressure fluid to support it during deformation
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机译:压制金属板坯料的方法是将板料的边缘夹紧到模具上,并在模具中填充压力流体以在变形期间支撑模具
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摘要
The method of pressing sheet metal blanks (13) involves clamping the edge of the blank to the periphery of a die. Prior to deformation of the blank material, the die cavity (2) is filled with pressure fluid which exerts a force via a pressure membrane. The amount of fluid (22) in the cavity is varied as a function of the deformation of the blank to provide a controlled resistance pressure to support the blank.
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