What are the purposes of tempering Hebei Yuanpeng machine tool castings
Apr 15,2024
The purpose of tempering machine tool castings has the following aspects:
1, reduce brittleness, eliminate or reduce internal stress, there is a lot of internal stress and brittleness after quenching, such as not timely tempering often make steel deformation or even cracking.
2, to obtain the mechanical properties required by the workpiece, the workpiece after quenching high hardness and brittleness, in order to meet the requirements of different properties of various workpieces, can be adjusted by appropriate tempering with the hardness, reduce brittleness, get the required toughness, plasticity.
3. Stable workpiece size
4. For some alloy steels that are difficult to soften after annealing, high temperature tempering is often used after quenching (or normalizing) to make the carbides in the steel gather properly and reduce the hardness to facilitate cutting.
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