Russian Metallurgy (Metally)

, Volume 2019, Issue 12, pp 1275–1279 | Cite as

Optimization of the Laser Hardening of Punching Tools

  • A. I. ProkhorovaEmail author
  • T. I. Bal’kova


Optimal conditions for laser hardening of punching tools made of a steel Kh12M are selected. Leading edges should be hardened under surface micromelting conditions. A laser fused layer should be ground after the treatment, controlling the metal removal thickness. Tests demonstrated a 2–4 increase in the service life of punching dies after laser thermal treatment.


punching tool laser treatment quenching structure microhardness hardening 



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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Moscow Polytechnic UniversityMoscowRussia

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