yancheng chunjiang machinery1;Adopt the exceeding precise class7(P4 level) ball bearing for spindle.2;Bring transmission by synchronous belt,operating simple and convenient。 Technical Parameters unit M820 MS820 Max.workpiece to be Ground ( L×W×H) mm 500×220×490 500×220×490 Max. Grinding Length mm 520 520 Max. Grinding Width mm 220 220 Distance From Table Surface To Spindle Center mm 490 490 Slide way V-type rail with Steel-ball V-type rail with Steel-ball V-type rail with Steel-ball Kg 100 100 Table Size (L×W) mm 480×200 480×200 Number of T -Slot mm×n 12×1 12×1 Speed OF Working Table m/min Cross Feed On Handwheel mm 0.02/Graduation 2.5/revolution 0.02/Graduation 2.5/revolution Vertical Feed On Handwheel mm 0.01/Graduation 1.25/revolution 0.01/Graduation 1.25/revolution Wheel Size (dia.×width×bore ) mm 200×16×31.75 200×16×31.75 Spindle Speeds 50Hz rpm 2850 2850 Spindle Motor Kw 1.1 1.1 Coolant Pump Kw 0.4 0.4 Minimum of Numerical Display mm 0.001 Machine Size (L×W×H) mm 1680×1140×1800 1680×1140×1800 Packing Size (L×W×H) mm 1140×1280×1960 1140×1280×1960 Gross;Net T 0.85 0.75 O.85; 0.75