The roller bender is a mechanical device or jig having three rollers used to form a metal bar or rod into a circular arc. The rollers are freely rotate about three parallel axes, which are arranged with uniform horizontal spacing. Two outer rollers, cradle the bottom of the material while the inner roller, whose position is adjustable, presses on the topside of the material.
INTRODUCTION : Make a sheet metal rolling machine :-A sheet metal roller bender is a metalworking machine that allows the bending of sheet metal. This manually powered roller bender has three-shaft, used for bending of sheet metal and other metal parts in round shape. It is also known as a bending machine or roller bender