长庆牌奥拓SC7080轿车传动轴总成是四川长庆机器厂于1991年12月根据重庆长安公司提供的样品进行测绘制造的新产品。三年来,工厂完成了样件测绘、产品图设计、工艺研制、国产化工艺方案论证、新工艺研究开发及应用、关重工序专用机床非标设计制造和引进、工装设计制造,通过了样品试制及台架试验,小批量试制和台架试验以及长安公司汽车研究所两次 Changqing brand Alto SC7080 sedan shaft assembly is Changqing Machinery Plant in Sichuan in December 1991 under the Changan company to provide samples of new products manufactured by mapping. In the past three years, the factory has completed sample mapping, product drawing design, process development, localization process demonstration, research and development of new technologies and applications, focusing on non-standard design and manufacture of machine tools for special processes and the introduction of tooling design and manufacture. And bench test, small batch trial and bench test and Changan Automobile Research Institute twice