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9cr2凹模淬火裂纹的搭桥修复

Keywords: 9cr2凹模,脉冲放电,止裂,搭桥修复

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Abstract:

?9cr2凹模淬火裂纹经脉冲放电止裂和电火花熔焊的搭桥修复后,裂纹尖端钝化,模具表面的淬火裂纹被焊合,模具的承载能力和表面光洁度可达到使用要求.

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