小型球轴承套圈毛坯冷挤压模具设计

Design Principle of Cold Extrusion Die for Small Size Ball Bearing Ring Blanks

以 6 2 0 3轴承内圈反挤压模为例 ,对其组合凹模和凸模的设计思路、应力分析及计算公式进行探讨 ,并阐述其设计原理。附图 7幅 ,表 3个。

Taking the reverse extrusion die of 6203 bearing inner race as example to discuss the design approach, stress analysis and calculation formula of its combining concave die and punching head.