BUILT-UP DIE Russian patent published in 2003 - IPC

Abstract RU 2198761 C2

FIELD: tools for plastic metal working, namely built-up cylindrical dies with bandage rings. SUBSTANCE: built-up die includes die and bandage ring mounted on die with interference fit and joined with it along surface. Joined surface of die or of bandage ring is curvilinear. Curvilinear contour of surface is determined according to condition providing omnidirectional uniform compression of die along its whole height in working mode. Interference fit value is determined according to given expressions. EFFECT: enhanced strength and endurance of die. 6 dwg

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RU 2 198 761 C2

Authors

Shevelev L.P.

Il'In M.I.

Dates

2003-02-20—Published

2000-12-05—Filed