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为了达到抗磨损和保持一定的强度等综合性能,往往在钢、铁或其它合金零件的摩擦面浇注、电镀或喷涂一层抗磨合金。该方法在国内外早已广泛使用,但航空附件上采用双金属浇注的方法,还是近几年才开始的新工艺。美国“山得斯特朗”公司生产的恒速装置转子,约七十年代初才开始采用整体双金属浇注的方法。一九七三年我厂承担了恒速装置试制任务,对双金属浇注新工艺进行了试验,一九七六年在YB-10液压系上采用取得了成功,以后又在“恒装”上获得满意的结果。 在双金属浇注上已取得一定的经验,对这一工艺的先进性也正在逐步完善中,但对钢体
In order to achieve anti-wear and maintain a certain intensity and other comprehensive performance, often in the friction surface of steel, iron or other alloy parts casting, plating or spraying a layer of anti-wear alloy. The method has long been widely used at home and abroad, but the method of using bimetallic pouring on air accessories is still a new process that has just started in recent years. The constant speed gear rotor produced by the United States “Shandestrand” company started to adopt the method of integral bimetal pouring around the early seventies. In 1973, our factory undertook the task of trial production of constant speed gear, tested the new technology of bimetallic pouring, succeeded in adopting the YB-10 hydraulic system in 1976, and later on the “constant installation” Get satisfied with the result. In the bimetal casting has made some experience on the advanced nature of this process is also being gradually improved, but the steel body