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Control of tempering treatment

  • Author:kerry
  • Release on:2021-06-24

After quenching in the coolant, the die casting mold parts should not stay in the air for a long time, but should be put into the tempering furnace in time for tempering treatment, in order to eliminate the internal stress of the parts and reduce thetendency of deformation and cracking.  Especially for some die casting die parts that need to be processed by wire cutting, the use of graded quenching and multiple tempering heat treatment before wire cutting can effectively improve the hardenability of the parts, make its internal stress distribution uniform, and not easy to deformation and cracking.  In the process of tempering, we must avoid the emergence of low temperature tempering brittleness and high temperature tempering brittleness

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