【摘要】 介绍了采用加大拉深模凸、凹模过渡圆角,增大凸、凹模间隙,降低表面粗糙度值及减少拉深过程压边力变化等措施,避免扬声器盆架拉深破裂,完成了模具的设计制造,生产的产品质量优良。更多还原

【Abstract】 Some measures were taken,including the increase of punch and die transition fillet of the drawing die,increase of clearance between the punch and die,lower of surface roughness value and reduction of the variation of blank holder force during drawing process,in order to prevent the occurrence of cracking in the drawing for forming the basket part of a loudspeaker.更多还原