We are offering high precision surface grinders machine.Description model isg-820a, 1a , 2a, 34 edhdisg-1024a, 1a , 2a, 3a edhdisg-1224a, 1a, 2a, 3a edhd table size 200x500mm (8"x20") 250x600mm (10"x24") 30x600mm (12"x24")max. Grinding length longitudinal 525mm (21") 625mm (25") 625 mm (25")max. Grinding width crosswise 212 mm (8") 262mm (10) 312mm (12)max. Distance from tablesurface magnetic chuck size400mm(16") 450mm (18")standard magnetic chuck size 200x450mm (8"x18") 250x500mm (10"x20") 300x600mm (12"x24")hand wheel per rev. 100mm (16")table speed elect.autofeed longitudinal movementof tablemax. Travel elect.autofeed 525mm (21") 625mm (25") 625mm (31")max.travel hydraulic table speed infinitelyvariable hydraulic50hz, 5-23mmin, 60hz, 5-28 mminmax.auto transverse travel 212mm (8") 262mm (10") 312mm (12")cross transverse travel handwheel per revolution 5mm (0.2")handwheel per graduation 0.05 mm (0.0012")auto transverse increment 1-10mm (0.04"" -0.4")wheelhead vertical handwheel per revolution 1mm (0.05")handwheel per graduation 0.01grinding spindle drive power rating 1 hp 2 hpspeed 50hz, 2850 r.p.m., 60hz, 3450 r.p.m.Standard grinding wheel diameter 187mm (7") 203mm (8")width 12mm (1") 19mmbore 31.78 (1")hydraulic motor power rating 1hp x 6p 2hp x 6plongitudinal feed motor power rating 1hp x 6p 2hp x 6pfloor space length x width x heighttotal space required2030 x 1370 x 1670 mm(80" x 54" x 64")2450 x 1500 x 1630 mm(96" x 61" x 64")2500 x 1680 x 2500mm(98" x 66" x 98")packing dimensions l x w x h 1680 x 1270 x 1650mm(66" x 50" x 65")1780 x 1320 x 1650mm(70" x 52" x 65")1780 x 1400 x 1700mm(70" x 56" x 67")