Turning Roll is used for welding, polishing, glue-lining & assembling the cylinder body. It has several types for option Turning Roll is used for welding, polishing, glue-lining & assembling the cylinder body. It has several types for option: adjustable, self-aligned, screw type, tilting, anti-creep type, etc.Adjustable welding rotator: the center distance of the wheels on the welding rotator can ...