Abstract
The effect of heat treatment modes and cold treatment on the quality of dies from steel Kh12M is studied. A new mode of heat treatment involving cold treatment at – 100°C is suggested. Comparative tests of dies produced by standard and suggested methods are described for the case of embossing of a copper collector for starters. It is shown that the quality of dies treated by the new method is higher and their life increases by a factor of 2 – 2.5.
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