HY-680A pipe threading lathe is flat bed machine, the guide surface is assembled by flat guide rail and triangle guide rail, then the contact surface is widened and thickened. Machine bed is made by high strength cast iron, it is through precision grinding after supersonic frequency quenching. It is the ideal equipment for normal thread machining of pipe coupling. ItemsUnitHYSK-6150HYSK-630AHYSK-338A Max. swing diameter over bed500630880 Chuck diameter400458508 Max. machining length500650800 Max. swing diameter over saddle260400480 Spindle bore diameter70100190 Range of spindle speedr/min2512002575025450 Range of machining diameterin2 3/8 5 1/22 3/8 9 5/8720 Main motor powerkW7.51122 X-axis travel260350450 Z-axix travel 600750900 Rapid movement speed X/Z m/min8/108/108/10 Tool rest station NO.4+14+14+1 Spindle center hightmm113511501150 RoughnessmmRa1.6Ra1.6Ra1.6 Machine weight NW kg260052008800 Machine dimension LWH mm2920*1550*16204160*2000*17004500*2200*2000