ROLLER-BENDING MACHINE Russian patent published in 1996 - IPC

FIELD: plastic metal working. SUBSTANCE: roller-bending machine is supplemented with synchronization device which helps to prevent skewing of rolls in process of bending. Machine has frame which carries three mobile sliders and one immobile cross-piece. Four working rolls are mounted on sliders and cross-piece. Synchronization device is manufactured in the form of two pairs of levers rigidly anchored on two shafts parallel to working rolls, supports of rolls positioned on one of sliders. Each pair of levers is hinged to other sliders with the use of length-adjusted shackles. EFFECT: improved quality of manufactured articles. 4 dwg