SHAPE BENDING MILL Russian patent published in 1997 - IPC

FIELD: plastic metal working, namely manufacture of relatively small bent bars. SUBSTANCE: shape bending mill with cantilever mounting of rolls includes upper and lower chocks arranged with gap and vertical rollers mounted in pairs on axles. In foundation of mill L-shaped strut is mounted. Grooved guides are secured to said strut by their one ends. In grooves of said guides carriages are placed. Said carriages support axles of said rollers with possibility of vertical motion. Other ends of said guides are arranged in through different-height grooves made in small vertical face of lower chock. Height of larger groove is more than height of smaller groove by value of allowance range for spacing of horizontal grooves from lower face of chock and by value of gap adjustment between said chock and foundation of mill. One end of roller axle is provided with threaded portion whose length is selected according to predetermined height of roller motion, thickness of said carriage and predetermined outer diameter of thread. EFFECT: enlarged manufacturing possibilities due to providing conditions for making high-quality bent shapes with asymmetrical cross section whose edges are arranged in different levels; possibility of bending up edge portions of strips due to increased rigidity of roller mounting. 3 cl, 3 dwg