rail grinding machine, rail grinding machine Suppliers and
NM/180 rail tools disc portable railway grinding machine Structure: NM180B is combined with engine, clutch, spindle, output shaft. Working principle: engine outputs energy through the centrifugal clutch to the spindle by 7000amp;plusmn;500 rpm, the engine pass the Varea and Vwheel by1:1 to the output shaft, making the grinding wheel produce a 80m/s linear speed for grinding operation.