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CADDS: an automated die design system for sheet-metal blanking

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2 Author(s)
Prasad, Y.K.D.V. ; Indian Inst. of Technol., Bombay, India ; Somasundaram, S.

The design and implementation of a computer-aided die design system (CADDS) for sheet-metal blanks is described. The system is designed by considering several factors, such as the complexity of blank geometry, reduction in scrap material, production requirements, availability of press equipment and standard parts, punch profile complexity, and tool elements manufacturing method. The interaction among these parameters and how they affect designers' decision patterns is described. The system is implemented by interfacing AutoCAD with the higher level languages FORTRAN 77 and AutoLISP. A database of standard die elements is created by parametric programming, which is an enhanced feature of AutoCAD. The greatest advantage achieved by the system is the rapid generation of the most efficient strip and die layouts, including information about the tool configuration

Published in:

Computing & Control Engineering Journal  (Volume:3 ,  Issue: 4 )