Parameter: Unit Maximum swing diameter over bed: 400 mm; Maximum turning length: 1000 mm; Maximum length of two centers: 1000 mm; Spindle bore diameter: 104 mm; Spindle nose type D11 type; Spindle nose taper: 120(1:20) mm; Spindle speed range(clockwise): 5.4-720(18 steps) rpm; Spindle motor power: 11 kw; Rapid motor power: 1.1 kw; Saddle feed speed: 4000 mm/min; Spindle longitudinal feed per revolution: 0.06-24.3/64 kinds mm/r; Spindle transverse l feed per revolution: 0.03-12.1/64 kinds mm/r; Lead screw pitch: 12 Metric ; Metric threads range(number): 1-240(50 kinds) mm; Inch threads range(number): 1-14(26kinds) t.p.i; Modular threads range(number): 0.5-120(53 kinds) mm; Diametral pitch threads range(number): 1-28(24 kinds) Dp; Tailstock sleeve diameter: 100 mm; Tailstock sleeve traverse: 250 mm; Tailstock center taper hole: MT5 ; Positions of tool rest: 4 positions vertical type pcs; Maximum swing diameter over tool rest: 480 mm; Transverse travel of lower tool rest: 500 mm; Transverse travel of upper tool rest: 200 mm; Section size of tool shank: 25*25 square mm; Machine weight: 4200 kg; Machine overall size: 3160x1450x1630 mm;