-
公开(公告)号:US4672833A
公开(公告)日:1987-06-16
申请号:US790544
申请日:1985-10-23
CPC分类号: B21H1/12
摘要: Method and apparatus are provided for the two-step rolling of predominantly profiled rings, for example, anti-friction bearing rings, with diameter enlargement in two rolling steps in one working sequence for the considerable reduction of the stress on the rolling mandrel.
摘要翻译: 提供了用于主要成型环(例如,抗摩擦轴承环)的两步轧制的方法和装置,在一个工作顺序中以两个轧制步骤的直径增大,以显着降低轧制心轴上的应力。