PRESS FOR PRODUCTION OF PIECES FROM METAL BLANKS BY REVERSE PRESSING-OUT Russian patent published in 1997 - IPC

FIELD: metal shaping, designs of presses for production of pieces from metal blanks by reverse pressing-out. SUBSTANCE: press has container with axial cavity for initial blank location, plunger with through axial hole, blank supporting pad, turnable revolving disk with hollow press-stamp, die located on operational butt of press-stamp. Additional tool is rigidly mounted on revolving disk. Press has pin capable to move along axis of pressure. Supporting pad has axial hole. Broaching press-stamp is used as additional tool. Supporting pad has canal located in parallel to axial hole, longitudinal axis of which is capable to be aligned with axis of pressure and inclined section to longitudinal axis of canal for feeding and removal of broached blanks beyond limits of supporting pad. Hollow press-stamp is used as additional stamp. Outer diameter of hollow press-stamp used as additional tool differs from outer diameter of previous press-stamp. During press operation quick readjustment and change of its fittings is provided and tools different combinations are used. EFFECT: improved design. 8 cl, 7 dwg