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http://dx.doi.org/10.5762/KAIS.2011.12.2.565

A study on the change of die roll size by the shape of die chamfer in fine blanking die for automobile door latch  

Kim, Jong-Deok (Molding & Forming Technology R&D Department, KITECHi)
Kim, Heung-Kyu (Molding & Forming Technology R&D Department, KITECHi)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.2, 2011 , pp. 565-570 More about this Journal
Abstract
There is always die roll in fine blanking parts which is able to have 100% clean shear surface. In this paper the change of die roll size was studied by fine blanking tryout in order to minimize die roll size. Various die inserts with different die chamfer were machined, fine blanking die was manufactured and tested. The die roll sizes of fine blanking samples were measured and the tendency of thickness directional die roll size was comprehended. This result will be used on the design of die chamfer in order to minimize thickness directional die roll size of fine blanking parts
Keywords
Fine blanking; Die roll; Die chamfer; Die insert; Punch;
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  • Reference
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