This series of machines are universal engine lathes, they are suitable for cutting swing workpieces, such as external cylindrical surfaces turning, internal hole, taper and thread machining, etc.
Three guideways have been adopted, it has features of strong rigidity, heavily loading capacity and good accurancy.
DC driving is used by main driving of the machine, full digital DC variable, 3 grade mechanical or hydraulic speed change has been equipped, spindle speed range 1: 200 may be got.
Feed driving is connected with the main driving, the carriage has function of rapid traverse and combing feed.
Built-in living center has been selected by the tailstock, it has characters of heavily loading capacity, 2 grade manual traversing function, traversing of tailstock is motorized, easy for operating.
Double-row short cylinder roller bearing is used by spindle bearing, it has high accurancy, radial clearance may be adjusted by it.