Original document(7 pages)  中文版
    The present invention provides the inner high pressure and reducing formation process of automobile axle shell. Seamless steel tube in certain size as material is manufactured into the axle shell through the successive steps of inner high pressure formation of the middle axle envelop, reducing the two ends and inner high pressure shaping of the axle envelop in one machine. The manufacture process has the features of less steps, simple equipment used, high strength and high rigidity, of the product, high production efficiency and low cost.
Application Number
申请号
02104880 Application Date
申请日
2002.02.27
Title 名称 Inner high pressure and reducing formation process of automobile axle shell
Publication Number
公开号
1440842 Publication Date
公开日
2003.09.10
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B21D26/00,B21D41/04
Applicant(s) Name
申请人
Changchun Inst. of Automobile Materials
Address 地址 130011
Inventor(s) Name 发明人 Zhu Weicheng, Xu Chenglin
Attorney & Agent 代理人 liu yuren
More information 更  多  信  息


 Related patents information
Inner high-pressure formation process with low pressure source
Integrated extruding method for automobile axle shell
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.