Describe production methods and their process features of main stampings of frame side member of heavy truck in China and give a survey to technical improvement of stamping of the frame.

叙述了我国重型汽车车架主要冲压件现行的各种生产方法及其工艺特点，并对车架冲压的技术进步进行了探讨。

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Describe production methods and their process features of main stampings of frame side member of heavy truck in China and give a survey to technical improvement of stamping of the frame.

叙述了我国重型汽车车架主要冲压件现行的各种生产方法及其工艺特点，并对车架冲压的技术进步进行了探讨。

youdao