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通过对RLS轴承架的结构分析,采用精密铸造工艺,蜡模制作采用先分后合的工艺方法,解决难于取模的问题,铸件通过浇注后用压缩空气或冷水对铸件的中间法兰与R10mm凸台和中间的圆柱体的结合部位进行强行快速冷却,避免了铸造缺陷的产生:在后处理过程中,在轴承架铸件碎壳、抛丸、酸洗钝化、热处理等工艺过程中,通过工艺手段而控制了铸件的变形。
Through the structural analysis of RLS bearing frame, the use of precision casting process, the wax mold making use of the first points after the merger of the method to solve the problem of difficult to take molds, castings with compressed air or cold water after the casting of the middle flange and R10mm Boss and the middle of the cylinder of the combination of parts forcibly rapid cooling, to avoid the casting defects: In the post-processing process, bearing shell castings, shot blasting, pickling passivation, heat treatment process, through Process control and control of the casting deformation.