1. Salient features: 1.1 Grinding wheel and Regulating wheel 1.1.1.Structure of fixed grinding wheel and movable regulating wheel 1.1.2.The grinding wheel designed in cantilever type, and its spindle adopted multi-plate long bearing bushed static-hydrodynamical oil film bearing. 1.1.3.Cantilevered regulating wheel, the spindle supports solid bearing sliding with 1:30 taper. 1.1.4.The swallow tailed roller guideway & differential screw supports the regulating wheel feeding 1.2.Electric 1.2.1.AC frequency converter is used for regulating wheel speed control . 1.2.2.Hydraulic transmission & stepless speed regulation are adopted on regulating wheel & grinding wheel dresser. 1.3. Machine body and design 1.3.1. Equipped automatic plunge device in the grinder. 1.3.2. Iron casting with high rigidity, natural aging. Main Application: The grinder is mainly used for through-feed grinding of cylindrical surface and ring-type parts, as well as for plunge-cut grinding of various stepped, cones that the conicity less than 1:20 . 2. Technical Data: Thru-feed 1)Grinding diameter 2-40mm 2)Grinding length 140mm Plunge feed 1)Grinding diameter 7-40mm 2)Grinding length 120mm Grinding wheel specifications PSA350*125*127mm Regulating wheel specifications PSA250*125*75mm Grinding wheel speed 1870r/min Regulating wheel speed(stepless) 20-180r/min Swiveling angle of regulating wheel 1)In vertical plane -2°~ 4° 2)In horizontal plane 0°~ 3° Feed amount per division of the feed handwheel 0.002mm Feed amount per division of the dresser 0.01mm Height from centerline of gri.wheel & reg.wheel to workrest 190mm Total power of machine 9kw 1)Grinding wheel motor 7.5kw 2)Regulating wheel motor 1.1kw Overall dimensions 1550*1300*1405mm Machine weight about 2000kg Machining accuracy 1)Roundness 0.002mm 2)Cylindricity 0.003mm 3)Surface Roughness Ra0.32um