Wrap ring assembly for precision no-draft forging

Details Wrap ring assembly for precision no-draft forging Wrap ring assembly for precision no-draft forging

1981-04-27

1983-02-08

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

B21D 2200

Patent

active

043721443

ABSTRACT:
A wrap ring assembly for cooperation with an associated forging press which includes a punch having a first cavity and means for moving the punch up and down which includes a punch holder. The apparatus includes a wrap ring having a bore therein and means for carrying the wrap ring on the punch holder which allows relative motion therebetween and which includes biasing means for urging the punch holder and the wrap ring apart. A wrap die is dimensioned for cooperation with the punch and has an exterior surface dimensioned for cooperation with the bore of the wrap ring. The apparatus may further include means for gripping the wrap ring and urging the wrap ring away from the punch holder. The apparatus may further include means for heating the wrap ring at least before the initiation of forging operations.

REFERENCES:
patent: 3197996 (1965-08-01), Zeder, Jr.
patent: 3537291 (1970-11-01), Hawkins
patent: 3869776 (1975-03-01), Moshnin et al.
patent: 4074359 (1978-02-01), Beane et al.
patent: 4150557 (1979-04-01), Walker et al.
patent: 4265105 (1981-05-01), MacNitt et al.

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