METHOD FOR PRODUCTION OF MOVABLE ABSORBER PIPE Russian patent published in 1994 - IPC

FIELD: shaping of metal. SUBSTANCE: method for production of absorber pipe in preference of front motorcycle fork of skelp by means of plastic deformation includes forming the complex profile outside surface of tip, the complex profile inside surface of pipe area of tip and main pipe area of product. Forming the complex profile outside surface of tip and preliminary forming the complex profile inside surface of pipe area of tip is carried out by means of half hot pressing out. Final forming the pipe area of product and the complex profile inside surface of pipe area of tip is carried out by rotary pulling. EFFECT: improved quality of product. 3 dwg