International Journal of Precision Engineering and Manufacturing

Korean Society for Precision Engineering (한국정밀공학회)
권호 표지

Optimal design of multi-former die set by the techniques of horizontal split

  • Kim Chul (Research Institute of Mechanical Technology at Pusan National University) ;
  • Park Chul-Woo (Dept. of Mechanical Engineeering at Pusan National University) ;
  • Chang Young-June (Dept. of Mechanical Engineeering at Pusan National University)
  • Published : 2006.01.01
Download PDF
⟨ Previous Next ⟩

Abstract

This paper deals with an automated computer-aided process planning and die design system by which designer can determine operation sequences even if they have a little experience in process planning and die design for axisymmetric products. An attempt is made to link programs incorporating a number of expert design rules with the process variables obtained by commercial FEM softwares, DEFORM and ANSYS, to form a useful package. The system can provide a flexible process based on either the reduction in the number of forming sequences by combining the possible two processes in sequence, or the reduction of deviation of the distribution on the level of the required forming loads by controlling the forming ratios. Especially in die design module optimal design technique and horizontal split of die insert were investigated for determining appropriate dimensions of components of multi-former die set. Results obtained, using the modules, enable the design and manufacture of a die set for a multi-former to be more efficiently performed.

Keywords

References

  1. Bariani, P., Knight, W.A., 'Computer Aided Cold Forging Process Design,' A Knowledge-Based System Approach for Forming Sequence Generation, Ann, CIRP, 37, pp. 243-246, 1988 https://doi.org/10.1016/S0007-8506(07)61627-8
  2. Badawy, A.A., Kuhlmamn, D.J., Raghupathi, P.S. and Altan, T., 'Computer-Aided Design of Multi- stage Forging Operations for Round Parts,' J. Mech.Work. Technology, 11, pp. 259-274, 1985 https://doi.org/10.1016/0378-3804(85)90001-4
  3. LANGE, K., HANDBOOK OF METAL FORMING, McGraw-Hill Book Company, N.Y., 1967
  4. Vazquez, V., Hannan, D. and Altan, T., 'Tool life in cold forging- an example of design improvement to increase service life,' Journal of Materials Processing Technology 98, pp. 90-96, 2000 https://doi.org/10.1016/S0924-0136(99)00309-X
  5. Kim, H.S. and Im, Y.T., 'Expert Systemfor Process Design of Cold Forging with Redesigning Scheme,' Transactions of the KSME, Vol. 18, Normf. 8, pp. 2039-2052, 1994