APPARATUS FOR BENDING TUBES

摘要

plastic metal working, namely, tube bending equipment. SUBSTANCE: apparatus for bending tubes includes bending roller with clamp and slide. The last is in the form of slit casing and it moves along lead pin in guiding sleeve. Toothed rim is rigidly secured to guiding sleeve and it engages with pinion joined through intermediate shaft and changeable cone gear wheels with shaft of bending roller. Apparatus also includes changeable pressure roller. EFFECT: enhanced accuracy of bent tube due to lowered springiness controlled by means of change of twisting angle for tube blanks with different properties and dimensions. 1 dwg