Method for blanking thin sheets, and in particular metal...

Details Method for blanking thin sheets, and in particular metal... Method for blanking thin sheets, and in particular metal...

B - Operations, Transporting

26

F

164/138, 113/70

B26F 1/44 (2006.01) B21D 22/10 (2006.01) B21D 28/18 (2006.01)

Patent

CA 1302171

METHOD FOR BLANKING THIN SHEETS, AND IN PARTICULAR METAL SHEETS AND ELASTOMERIC MATERIAL OF UTILITY FOR SAID METHOD A B S T R A C T In the method for blanking out a sheet material (1) between a punch (4) and a die (6) having a sharp edge (7), the punch (4) is formed by a heterogeneous composite elastic material having localized regions (4a) having a relatively higher hardness, and complementary regions (4b) having a relatively lower hardness. Fig. 2.

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