... has several types for option: adjustable, self-aligned, screw type, tilting, anti-creep type, etc.Adjustable welding rotator: the center distance of ... welding parameter in the rangeScrew welding rotator: it adopted screw to adjust the roller distance to be suitable for ... direction creep, through elevating of idle rotator, change the screw angle between workpiece shaft line and rotator shaft line, to ...