Extending the life of stepped punches in the cold extrusion of bushes

A. M. Dmitriev; F. V. Grechnikov; N. V. Korobova

doi:10.3103/S1068798X17050094

Extending the life of stepped punches in the cold extrusion of bushes

作者: Dmitriev A.M.¹, Grechnikov F.V.², Korobova N.V.¹
隶属关系:
1. Stankin Moscow State Technical University
2. Korolev Samara National Research University
期: 卷 37, 编号 5 (2017)
页面: 411-419
栏目: Article
URL: https://journals.rcsi.science/1068-798X/article/view/227297
DOI: https://doi.org/10.3103/S1068798X17050094
ID: 227297

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详细

The stress in the critical section of a punch extruding the stepped cavity of a cylindrical part is analyzed. In extrusion with actively directed contact-friction forces, the punch life is increased by a factor of about 1.5.