METHOD OF MAKING HOLLOW AXIALLY SYMMETRICAL PARTS BY MULTIPASS SPINNING Russian patent published in 1996 - IPC

Abstract RU 2054341 C1

FIELD: metal pressure forming. SUBSTANCE: method comprises steps of carrying out a spinning process by a direct or reverse way; performing over a first pass of spinning metal hardening in a zone of underrolling; upon reverse spinning resting a blank upon a sleeve, on which at deforming a first blank by a deforming roller a chamber had been formed; performing simultaneous deformation of two blanks. EFFECT: enhanced efficiency of the method. 3 cl, 3 dwg

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RU 2 054 341 C1

Authors

Zalata V.I.

Kir'Janov A.A.

Dates

1996-02-20—Published

1992-07-13—Filed