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    模具修补

    模具修补

    模具在长期使用条件下由于高速、高压、冷热交替或交变载荷的工作环境引起模具表面或内部出现腐蚀、磨损或裂纹导致模具性能下降,甚至会导致模具失效。因此,为避免模具由于出现裂纹或磨损等失效形式而影响生产,而采用模具修补焊接技术。