Table | Main Specifications | Unit | M7140 | M7140×16 | M7140×20 |
Table working surface (W×L) | mm | 400×1000 | 400×1600 | 400×2000 | |
Max. size of work piece to be ground (W×L×H) | mm | 400×1000×400 | 400×1600×400 | 400×2000×400 | |
Table Longitudinal travel (Hydraulic) | mm | 200-1100 | 200-1700 | 200-2100 | |
Speed of table (Stepless) | m/min | 3-25 | 3-25 | 3-25 | |
Max. allowable weight of workpiece (Including electromagnetic chuck) | kg | 624 | 1000 | 1248 | |
Electromagnetic chuck size (W×L) | mm | 400×1000 | 400×1600 | 400×(1000×2 ) | |
Grinding wheel head | Max.Travel of wheel-head cross (manual or hydraulic) | mm | 430 | 430 | 430 |
Automatic cross-feed of wheel-head (Stepless) Continuous Intermittent | m/min mm | 0.8-3.5 3—30 | 0.8-3.5 3—30 | 0.8-3.5 3—30 | |
Wheel-head feed for each turn of hand-wheelVertical | mm | 0.5 | 0.5 | 0.5 | |
Min. Down-feed hand-wheel dial graduated to | mm | 0.005 | 0.005 | 0.005 | |
Grinding wheel size (O.D×W×I.D) | mm | φ400×50×φ203 | φ400×50×φ203 | φ400×50×φ203 | |
Motor power | Electrical equipment total capacity | KVA | 12 | 14 | 18 |
Grinding wheel motor powerSpeed | KW r/min | 7.5 1440 | 7.5 1440 | 7.5 1440 | |
work accuracy | Working surface to base level parallelism | mm | 300:0. 005 | 300:0.005 | 300:0.005 |
Surface roughness | um | Ra0.63 | Ra0.63 | Ra0.63 | |
Base parameter | Overall dimensions (L×W×H) | mm | 3200×1736×2280 | 4300×1736×2280 | 6610×1786×2280 |
Packing case dimensions (L×W×H) | cm | 360×191×262 | 453×215×262 | 513×203×276 | |
N.W | kg | 4500 | 5400 | 9500 |
M7140 Surface Grinding Machine