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Reason analysis and countermeasure analysis of die hardness and uneven hardness

Hardness of mold heat treatment is a very important mechanical property index, hardness is a very serious defect. After the mold heat treatment, the hardness is not enough or the hardness is not uniform, will cause the mold wearability and the fatigue strength and so on the performance to reduce, causes the mold early to rise to be invalid, seriously reduces the mold service life.

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