Model | MQ8260Ax16 | MQ8260Ax18 | MQ8260Ax20 |
Max. work diameter × Max. length | Φ580×1600mm | Φ580×1800mm | Φ580×2000mm |
Capacity | Max. swing over table | 580 mm |
Work diameter ground with steady rest | Φ30-100 mm | Φ50-120 mm |
Throw of crankshaft | 110 mm | 120 mm |
Max. work length ground in 3 jaw chuck | 1400 mm | 1600 mm | 1800 mm |
M ax. work length ground between centres | 1600 mm | 1800 mm | 2000 mm |
Max. work weight | 120 kg | 150 kg |
Headstock | Centre heigt | 300 mm |
Work speed (rpm | 25,45,95 | 25,45,65,100 |
Wheelhead | Max. cross movement | 185 mm |
Wheelhead rapid approach & withdrawal | 100 mm |
Wheelhead feed per turn of cross feed handwheel | 1 mm |
Wheel feed per grad of cross feed handwheel | 0.005 mm |
Grinding wheel | Wheel spindle speed | 740, 890 rpm |
Wheel peripheral speed | 25.6 – 35 m/sec |
Wheel size | Φ900x32xΦ305 mm |
Table | Table traverse per turn of handwheel coast | 5.88 mm |
Table traverse per turn of handwheel fine | 1.68 mm |
Table swivel (taper 18/100) | 5° |
Table swivel per grad of scale (taper 1:50) | 10’ |
Overall capacity of motor | 9.82 kw | 11.2 kw |
Overall dimension (LxWxH) (mm) | 4166x2037x1584 | 4900x2037x1584 |
Weight | 6000 kg | 6200 kg | 7000 kg |
Working Accuracy | Ovality (new standard | 0.005 |
Cylindricity | 0.01 |
Roughness Ra | 0.21
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