Precision surface grinding machine JPG-63AHR,JPG-84AHR Good resin bonded sand casting with superfine quality; Brand importing accessories (principle axis, wire rope, plastic sheet, ball screw, gear and oil pressure accessories); Strict dustproof and antiseep measures to make sure the inner part is without dust and water. unit JPG63AHR JPG84AHR Table size mm 600x300 800x400 Travel Longitude (X) mm 660 880 Crossward (Y) mm 340 450 Table slideway mm Smoothy way Max. distance between spindle and table mm 520 620 Auto feed crossward 0.1-8 0.1-10 Crossward rapid move feed 1000 1000 Crossward handwheel feed 5 5 0.02 0.02 Vertical handwheel feed 0.5 0.5 0.005 0.002 Rotation speed 1450 1450 Grinding wheel dimension mm 350x40x127 Spindle motor hxp 7.5x4 7.5x4 Oil pump motor hxp 2x4 3x4 Auto motor crossward w 60 90 Rapid motor vertical w 90 90