Product Description NGM-4.8I Digital Display Rail Grinding Machine NGM-4.8I digital display rail grinding machine is suitable for grinding 43kg/m-75kg/m rail weld, uneven joint, rail side fat edge, rail surface welding repair and other parts. With a multi-purpose, automation and intelligent set as one of the high-precision rail grinding machine. Specification Model NGM-4.8I Type Rail Grinding Machine Material Stainless Steel Dimensions (L x W x H) (mm) 1500 * 450 * 750 mm Internal combustion engine GX200, > 3600r/min, 4.8kW Grinding Wheel Specification 125*65*M20 Grinding Wheel Linear Velocity > 35m/s Spindle rotation 4500r/min Inclination angle of grinding wheel +90 degrees Accuracy of inclination angle 0.5 degree, 1.0 degree, 2.0 degree, 3.0 degree, 4.0 degree, 5.0 degree Grinding wheel stroke 45 mm Grinding wheel feed accuracy 0.05 mm, 0.1 mm, 0.15 mm, 0.2 mm, 0.25 mm, 0.3 mm Profile wheelbase 1000mm Weight 90kg