CNC control system as : 1) Siemens 802D SL servo 2) Japan FANUC 0i-mate-TD servo 3)Guangzhou CNC GSK980TDb servo Main features: 1) The machine is equipped with a tapering unit which can work out a ±1:4 taper. 2) It is able to cut both metric and threads without changing the translating gear. 3) The dripping worm in the apron can protect the mechanisms of the lathe automatically. 4) The guide way is hardened and finely finished. 5) The geat power of the machine is competent at heavy load and power cutting. 6) The floor center rest can be moved freely as required by the user. 7) The center rest is provided with an adjustable clamp unit for long pipes, greatly reducing intensity of labor. 8) The double 4-jaw chucks offer free clamp of both short and long pipes.