The hydraulic system drive the worktable in crosswiss diretion. Both hydraulic and manual driver are available in the wheel head longitudinal motion. The vertical motion of the wheel head comes from quick autonmatic or manual driver. The bigger diameter of the wheel and the more power of motor achieve outstanding efficiency Wheel Head Moving Surface GrinderModelUnitGH 4010GH 4016GH 4022GH 5010GH 5016GH 5022GH 6312GH 6316GH 6322worktable size (W×L)mm400×1000400×1600400×2200500×1000500×1600500×2200630×1250630×1600630×2200Magnetic chuck sizemm400×1000×1400×800×2400×1000×2500×1000×1500×800×2500×1000×2630×1250×1630×800×2630×1000×2Max.distance from spindle center to table surfacemm600700700Longitudinal moving speed of worktablem/min3 253 273 27T-slot number×widethmm3×183 223 22Wheel head cross movingConsecutive feed speedm/min0.5 4.50.5 4.50.5 4.5Intermittent feed speedmm/t3 303 303 30Hand wheel feedmm0.0020.0010.001Vertical moving of wheel headRapid speedmm/min400400400Hand wheel feedmm/gra0.0050.0050.005Wheel head motorPowerkw7.57.57.5Rotation speedrpm144014401440Total powerkw1113.513.512.2513.7515.7513.7515.7515.75Max.loading capacity of worktable(with chuck)kg6201000138070012401410101012901780Wheel size (OD×W×ID)mm400×40×127400×40×203400×40×203Machine dimension (L×W×H)mm3110×1670×22304250×1670×22305750×1670×22303110×2100×23304250×2100×23305750×2100×23303300×2200×24105320×2200×24105750×2200×2410Item NO.126014126015126016126017126018126019126020126021126022 Standard equipmentOptional accessoriesWheel dresser basewheel balancing standFlange and wheel extractorSrandard wheelBalane arborBalane standScrubbing brushMagnetic chuck