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Floating multi-point forming die of Asymmetric box-shaped parts

Fig.1 Non-symmetrical box shaped dust cover
Stamping process
Blanking   Deep drawing   Trimming cut & Punching locating hole  
Punching 7 side holes  
Punching 3 holes on the boss
Punching the middle square hole
Flanging, Pressing  inclined plane & reinforcement
Flanging the inner hole & pressing the emboss

  A kind of deep drawing technology of multi-point blank pressing with a floating die is put forward to form the vehicle axle brake hub dust-cover based on the analysis of the local asymmetric box-type structure. The technical problems, such as wrinkling and cracking, have been solved successfully.

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Address:School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou, China   
Zip:510640  Phone:(086)13902233118    FAX:(086)020-38743889
Research Interses: Plastic forming theory, technology and equipment, CAD/CAE/ CAM, etc