Technical Data : Distance between centers : 1000 mm Center height : 180 mm Dia.Ground(O.D) : 8~320 mm Dia.Ground(I.D) : 30~100 mm Max.length ground(O.D) : 1000 mm Max.length ground(I.D) : 125 mm Max weight of work piece : 150 kg Workhead : Swiveling angle : 90º, Center taper : MT4 , Spindle speed 50HZ : 25-220 r/min Wheelhead : Wheel spindle speed : 1670 r/min, Wheelhead rapid travel : 50 mm, Max travel : 246 mm Swiveling angle° : ±30°, Hand feed per.rev rough : 2.0 mm , fine:0.5, Hand feed per.gra rough : 0.01 mm , fine:0.0025 Max dimension of wheel(OD×W×ID) : 400×50×203 mm Internal grinding : Spindle speed :10000/15000 r/min, Dimension of wheel max : 50×25×13mm, min:17×20×6 Table :Hand feed per rev. 6 mm, Max swivelling angle of table : clockwise:3°, widdershins:7°, Longitudinal traverse speed of table : 0.1~4 m/min Tailstock : Center taper : MT4, Quill travel : 30 mm Motor : Wheelhead motor power 5.5 Kw, Internal grinding 1.1 Kw, Power of workhead motor 1.5 Kw Machine : Gross weight : Aprrox. 5300 kg Packing dimension : Approx. 3220×2000×2050 mm Standar Acessories : Cyilindrical Grinding Wheel & Instruction Manual