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后桥壳带半轴套管的组件是汽车、铲车及其它起重、运输车辆的主要部件之一。它是由两根半袖套管和一只后桥壳过盈配合而成。后桥壳组件如图1,由于它的长度较长,组装后的形位精度要求较严,采用一般的装配工艺很难达到要求。我厂设计制造的“后桥壳组件热套专机”,系采用内热式电热圈加热壳体两端孔,由液压滑台将两只半轴套管推进去,达到过盈配合,这样,确保了组件的形位精度。
Rear axle housing with axle bushings is one of the main components of cars, forklifts and other lifting and transporting vehicles. It consists of two half sleeve sleeves and a rear axle housing with interference fit. Rear axle housing components shown in Figure 1, due to its longer length, the assembled form accuracy requirements more stringent, using the general assembly process is difficult to meet the requirements. I plant design and manufacture of the “rear axle shell unit thermosets plane”, Department of the use of electric heating ring heating both ends of the shell hole, the hydraulic slide will be pushed to the two half-axle casing to achieve interference fit, so to ensure that The component’s position accuracy.