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Application: This machine is a special and necessary equipment for grinding rail welded joints and rail profile with the characteristics of automatic feeding, control of grinding volume, grinding the rail side without inclining the machine, high work efficiency, easy operation, safety and reliability. Characteristics: Scope of application: applicable for grinding steel rail of 43kg/m-75kg/m Grinding operation: automatic stroke control to guarantee grinding quality Profiling function: a perfect profiling capacity to grind rail from rail top to rail side without including the petrol engine according to the geometric shape of rail head. Insulation performance: the profiling wheel and support wheel insulated with machine body. Drive wheel adjustment: Adjusting the tightness of the belt by gasket of pulley to keep the belt normal working. PARAMETER Power:4.8KW Size of abrasive wheel:150*65*55mm Speed:3600r/min Spindle speed:4100r/min Weight:90kg Dimension:1650*465*831mm