|
Model
|
MQ8260A×16
|
MQ8260A×18
|
MQ8260A×20
|
|
Max. work diameter × Max. length
|
Φ600×1600 mm
|
Φ600×1800 mm
|
Φ600×2000 mm
|
|
Capacity
|
Max. swing over table
|
Φ600 m
|
|
Work diameter ground with steady rest
|
Φ30×100 mm
|
Φ50×120 mm
|
|
Throw of crankshaft
|
Φ110 mm
|
Φ120 mm
|
|
Max. work length ground in 3 jaw chuck
|
1400 mm
|
1600 mm
|
1800 mm
|
|
Max. work length ground between centers
|
1600 mm
|
1800 mm
|
2000 mm
|
|
Max. work weight
|
120 kg
|
150 kg
|
|
Headstock
|
Center height
|
300 mm
|
|
Work speed (rpm)
|
25,45,95
|
30,45,65,100
|
|
Wheelhead
|
Max. cross movement
|
185 mm
|
|
Wheelhead rapid approach & withdrawal
|
100 mm
|
|
Wheelhead feed per guard of cross feed handwheel
|
1 mm
|
|
Wheel feed per guard 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
|
Φ900×32×Φ305 mm
|
|
Table
|
Table traverse per turn of handwheel coarse
|
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
|
11-12 Kw
|
|
Overall dimensions (L×W×H)
|
4166×2037×1584 mm
|
4900×2037×1584 mm
|
|
Packing dimensions (L×W×H)
|
4300×2200×2000 mm
|
5300×2200×2000 mm
|
|
Weight
|
6000 kg
|
6200 kg
|
7000 kg
|
|
Working
accuracy
|
Ovality new standard
|
0.005
|
|
Cylindricity
|
0.01
|
0.01
|
0.01
|
|
Roughness
|
Ra 0.32
|
Ra 0.32
|
Ra 0.32
|
