1.Model C5140 single-column vertical lathe is suitable for machining of all kinds of industries. It can make rough and finish turning of external cylindrical surface, circular conical surface, head face, grooving, severance, etc.2.working table adopts hydrostatic guide way. The spindle is to use NN30 (Grade D) bearing and able to turn precisely, with good carrying capacity.3.Gear case is to use 40 Cr gear wheel of gear grinding. It has high precision and little noise. Both hydraulic parts and electrical equipment use famous-brand products domestic.4.Plastic coated guide ways are wearable. Centralized lubricating oil supplying is convenient. 5.Castings of lathe are to use lost foam foundry( short for LFF) technique. Castings are wearable with good quality and dealt by aging.The specifications of Model C5140 are as bellow: Specifications Unit C5140Max. turning diameter Mm 4000 Working table diameter Mm 3850 Max. weight of work-piece T 20 Max. height of work-piece Mm 2000 Speed range of working table Rpm 0.85-41 Steps 16 Horizontal travel of tool post Mm 2100 Vertical travel of tool post Mm 1000 Horizontal travel of ram head mm 630 Vertical travel of ram head Mm 1150 Power of main motor Kw 55 Weight Kg 36000 Overall dimensions Mm 5090×5050×4200 Max. torque of working table Km 6300 Range of feeds Mm/min 0.8-86 Fluctuation speed of beam m/min 0.35 Fast moving speed of tool post m/min 1.8 Max. turning angle of tool post Degree ±30°