GEAR FOR PULSE WORKING OF MATERIALS Russian patent published in 1996 - IPC

FIELD: plastic material working. SUBSTANCE: gear for pulse working of materials has base, barrel put on base. matrix and punch placed into it. Punch is manufactured in the form of piston with striker which forms space in barrel in front of piston. Gear also includes pressure chamber communicating with mentioned space through valve, damper positioned between striker and punch. Windows for release of gas are made in barrel wall at finish of section of acceleration of striker. Damper is fabricated in the form of air vessel located between punch and windows for gas release. Set of alternating dampers and inertia masses produced in the form of piston is arranged in barrel on side of matrix. EFFECT: improved operational efficiency and reliability. 3 cl, 1 dwg