SPECIFICATION | UNIT | G-320 | G-320A |
Distance between centers | mm | 1000/1500 | 2000/3000 |
Center height | mm | 180 | 180 |
Dia. ground (O.D) | mm | 8-320 | 8-320 |
Grinding length (O.D) | mm | 1000/1500 | 2000/3000 |
Loading capacity | kg | 150 | 500 |
Workhead spindle taper | - | MT5 | MT5 |
Workhead spindle speed | rpm | 19-190 (stepless) | 10-100 (stepless) |
Wheelhead feed of handwheel per rev. (rough/fine) | mm | 2/0.5 | 2/0.5 |
Wheelhead feed of handwheel per gra. (rough/fine) | mm | 0.01/0.0025 | 0.01/0.0025 |
External grinding wheel size | mm | 600x75x305 | 600x75x305 |
Max. peripheral speed of grinding wheel | m/s | 35 | 35 |
Table feed of handwheel per rev. | mm | 6 | 6 |
Table swivel angle (CW) | ° | 3°/3° | 3°/3° |
Table swivel angle (CCW) | ° | 7°/6° | 5°/3° |
Table longitudinal feed speed | m/min | 0.1-4 | 0.1-3 |
Tailstock quill taper | - | MT4 | MT5 |
Tailstock quill travel | mm | 30 | 30 |
External grinding motor power | kw | 11 | 11 |
Workhead motor power | kw | 1.5 | 3 |
Roundness | um | 2.5 | 3 |
Cylindricity | um | 8 | 8 |
Roughness | um | Ra0.2 | Ra0.32 |
Gross weight | kg | 4600/5100 | 6200/7600 |
Packing size (LxWxH) | mm | 3260/4260x1900x2050 | 5800/7800x1900x2050 |