高圧鋳造用金型の寿命向上
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概要
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It is very effective to increase the die material hardness by the heat treatment to improve the anti-heat checking characteristics of squeeze casting dies. Heat treatment procedures are very important for this. Because the harder dies, which is anti-heat checking, show sometimes the shorter life due to large cracks.In this paper, some heat treatment technique is introduced to solve the above problems. Local Tempering Process shows the die life improvement without large cracks in the initial stage of the die usage.
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