粉末冶金上球头的成形

DEVELOPMENT OF P/M UPPER BALL HEAD

汽车零件上球头几何形状复杂，尺寸精度和力学性能要求高。本文对粉末冶金上球头的成形机理和自动压模的设计进行了探讨和实践，获得了满意的结果，满足了用户的使用要求。

Upper ball head which is auto part has complicated geometrical shape and high requirementsfor dimentional accuracy and dynamic properties. The paper has made discussion and practice on forming mechanics and automatic pressing die designed for P/M upper ball head. Satisfactory results andmeeting users application requirements have obtained