thread rolling machine ADS-40 Steel Bar Straight Screw thread Screw Rolling Machine is apply for construction project ,which is used to rolling the terminal of straight screw thread steel bar ,its the key equipment for steel bar connection ,it can machining the rib steel bar of 1640mm HRB335 and HRB400. Characteristics: ADS-40 Steel Bar Straight Screw thread Screw Rolling Machine can finish rib-stripping ,screw thread rolling at the same time with the perfect tooth shape and precise size . It can machining both deasil and anticlockwise screw thread,and can machining the strip steel bar of 16-40mm HRB335 and HRB400. This machine is easy to operation ,with reasonable structure ,safe and reliable ,with special automatic knife which can on and off automaticically. Structure : ADS-40 Steel Bar Straight Screw thread Screw Rolling Machine,which is composing of shelf,tightening tongs, transport orbit,slip board , gear-down machine ,(rib-stripping) rolling tip,supplying equipment ,auotmatic opening and close equipment ,,travelling orientation equipment ,cooling system ,the wiring controlling equipment ,etc. Main Technology Parameter: 1,The steel bar processing diameter : 16-40mm 2,The main motor power :4KW 3,The electrical source :380V,50HZ 4, Principal axis rotate speed :62r/min 5The max. processing length :80mm