Email this article Extending the life of stepped punches in the cold extrusion of bushes
- Authors: Dmitriev A.M.1, Grechnikov F.V.2, Korobova N.V.1
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Affiliations:
- Stankin Moscow State Technical University
- Korolev Samara National Research University
- Issue: Vol 37, No 5 (2017)
- Pages: 411-419
- Section: Article
- URL: https://journal-vniispk.ru/1068-798X/article/view/227297
- DOI: https://doi.org/10.3103/S1068798X17050094
- ID: 227297
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Abstract
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.
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About the authors
A. M. Dmitriev
Stankin Moscow State Technical University
Author for correspondence.
Email: mt-6@yandex.ru
Russian Federation, Moscow, 127055
F. V. Grechnikov
Korolev Samara National Research University
Email: mt-6@yandex.ru
Russian Federation, Moscow, 443086
N. V. Korobova
Stankin Moscow State Technical University
Email: mt-6@yandex.ru
Russian Federation, Moscow, 127055
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