【摘要】 以接箍零件为例,选用外径不变,仅缩小内径的管材镦粗方式,在多种结构的模具上进行了工艺试验,使用凹模、芯轴均浮动的模具在普通压力机上取得最佳镦粗效果。更多还原

【Abstract】 Technological experiment has been realized with upsetting of a manner of reducing only the inner diameter of tube while outer diameter remaining the same via using dies of variety of structure.Optimal results have been obtained by general press with dies with floating concaves and spindles.更多还原