Surface Grinding Machine (SG2550AHR) Hydraulic movement on X--AXIS, Rapid moving on Z--axis. Saddle moving. Designed for continuous operation at maximum speed, very quiet operation, maximum accuracy and minimal heat accumulation ensure optimum machining results. Grinding spindle runs in maintenance-free preloaded precision angualr ball bearings Automatic transverse and longitudinal feed Rapid feed for setup to desired work height(HFS VC) Adjustable roughing, finishing, and spark-out strokes hydraulic longitudinal table movement on Y axis(HFS VC) Double tabe V-guide in transverse table, V-guide and flat guides in longigudinal table Table guideways are hardened, ground, and PTTE (polytetrafuorethylene)counterlaminated-ensuring maximum wear resistance High table load capacity for heavy parts External hydraulic unit ensures high temperature stability Automatic central lubrication
| Item | Unit | SG-2550AHR | SG-4080AHR |
| Table size(w x L) | mm | 250x500 | 406X813 |
| Max longitudinal travel | mm | 560 | 910 |
| Max cross travel | mm | 275 | 450 |
| Max.distance from table to spindle center | mm | 450 | 580 |
| Electro magnetic chuck size | mm | 250X500 | 400X800 |
| Speed of table longitudinal movement | m/min | 7-23 |
| Table transverse movement | Auto feed | mm/stroke | 0.1-8 |
| Rapid speed | mm/min | 990 |
| Feed of handwheel | mm/div | 0.02 |
| Wheelhead vertical movement | Auto feed | mm | (H/AH/AHR model)0.005/0.01/0.02/0.03/0.04/0.05(Only for AHD model) |
| Rapid feed | mm/min | (H/AH model) 460(Only for AHD model) |
| Feed of handwheel | mm/div | 0.005 |
| Grinding wheel | Speed | rpm | 2850(50Hz)3450(60Hz) | 1450(50Hz)/1750(60Hz) | |
| Size(ODxWxID) | mm | 200x20x31.75 | 350x40x127 |
| Motor of spindle | kw | 2.2 | 5.5 |
| Hydranlic motor | kw | 0.75 | 2.2 |
| Cooling pump motor | Kw | 0.04 | 0.125 |
| Elevating motor | Kw | (AH modl) 0.25(AHR mode) 0.5(AHD mode, servo motor) |
| Cross feed motor | Kw | 0.04 |
| Max loading capacity of table(include chuck) | kg | 180 | 500 |
| Total rated power | kw | 3.7 | 9 |
| Height of machine | mm | 1675 | 1890 |
| Floor space | mm | 2300x1600 | 3600x2400 |
| Gross weitht | kg | 1800 | 3500 |
| Package dimensions | mm | 2000x2100x2175 | 2850x2270x2180 |
