【摘要】 阐述了油底壳拉伸中出现的缺陷及其模具调试措施 ,对凸、凹模间隙的调整、拉伸筋的调整、润滑、拉伸速度及润滑剂的选择等作了详细介绍 ,并提出了二次润滑的新方法。更多还原

【Abstract】 The defects occurring in the drawing process of the oil disc are stated and the correˉsponding measures of die adjustment have been proposed.Detailed introduction is made on the adjustment of the clearance between the punch and matrix,adjustment of the drawing rib,selection of the lubrication,drawing speed and lubricant.A new method of second lubrication has been proposed.更多还原