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鸡西矿务局机电厂服务公司煤矿支护配件厂通过渗硼热处理改变铸件内部组织结构,使所铸刮板比原铸件使用寿命延长两至三倍,达到了锻~(45)机械性能标准。随采煤机组配套购进的锻制刮板,一般使用期不超过两个月,更换新的同类产品,要从外地购买,价格较贵;更换本地铸造的刮板,使用期仅仅十来天,寿命很短,今年四月份,该厂技术人员在铸造刮板过程中通
Jixi Mining Bureau of Mines and Metallurgical Service Company coal mine support accessories plant by infiltration boron heat treatment to change the internal structure of the casting, the cast blade than the original casting life of two to three times to extend, forged ~ (45) mechanical performance standards. With the purchase of supporting coal scraper scraper, the general use of not more than two months, replace the new similar products to be purchased from the field, the price is more expensive; replacement of locally cast scraper, the use of only 10 days , Life is very short, in April this year, the factory technicians in the process of casting scraper pass