汽车后桥壳体机械加工工艺规程及夹具设计.doc
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- 汽车 后桥 壳体 机械 加工 工艺 规程 夹具 设计
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1、汽车后桥壳体加工工艺编制及夹具设计摘 要:汽车后桥壳是汽车的重要组成部分,它与主减速器、差速器和车轮传动装置组成驱动桥。驱动桥处于动力传动系的末端,其机动功能是增大由传动轴或变速器传来的转矩,并将动力合理的分配给左、右驱动轮,另外驱动桥桥壳是汽车上重要的承载件和传力件。驱动桥的桥壳不仅支承汽车重量,将载荷传递给车轮,而且还承受由驱动车轮传递过来的牵引力、制动力、侧向力、垂向力的反力以及反力矩,并经悬架传给车架或车身。在汽车行驶过程中,由于道路条件的千变万化,桥壳受到车轮与地面间产生的冲击载荷的影响,可能引起桥壳变形或折断。因此,驱动桥壳应具有足够的强度、刚度和良好的动态特性,合理地设计制造驱动
2、桥壳是提高汽车行驶稳定性的重要措施,汽车后桥壳广泛应用于各种车辆当中。所设计的后桥壳夹具可广泛应用于卡车的后桥壳加工中,后桥壳起保护和支撑的作用,其主要加工表面为端面外圆、法兰平面、弹簧座平面、以及内孔等。本次设计的内容主要包括机械加工工艺规程、夹具的设计。结合本次设计零件的特点,在设计中完成工艺规程一套,夹具一套。通过对汽车后桥壳夹具的学习和设计,使自己更好地学习并掌握现代夹具设计与机械设计的全面知识和技能。关键词:汽车后桥;工艺规程;夹具 The automobile rear axle housing processing technology and fixture designAbs
3、tract:Automobile rear bridge is an important part of the car, with the main reducer, differential and integral drive axle wheel transmission device. Drive bridge at the end of power transmission lines, the motor function is increased by transmission or gearbox transmission of torque, and power distr
4、ibution to the left and right driving wheel, and the automobile drive axle housing is the important load bearing and power transmission. Drive axle housing not only supports the weight of the car, will load to the wheel, and also bear the drive wheels pass over the traction force, braking force, lat
5、eral force, vertical force reaction force and torque, and the suspension to the frame or body. In the process of moving vehicle, the myriads of changes due to road conditions, the bridge shell under wheel and the ground produces effect of impact load, may cause the axle casing deformation or breakin
6、g. Therefore, drive axle housing should have enough strength, stiffness and good dynamic characteristics, reasonable design and manufacture of drive axle housing is the important measure to improve vehicle stability, auto rear bridge shell is widely used in various vehicles.The design of rear axle h
7、ousing clamp can be widely used in truck rear axle shell processing, rear axle housing for protection and support role, its main working surface to face circular, flat flange, spring seat, and the inner hole of the plane.This design content mainly includes the process, fixture design. Combined with
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