Description
Main specifications:
Model | TM8260Ax16 | TM8260Ax18 | TM8260Ax20 | |
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 height | 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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