MQ8260A Crankshaft grinding machine
MQ8260A Crankshaft grinding machine |
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Details |
Model |
MQ8260Ax1600 |
MQ8260Ax1800 |
MQ8260Ax2000 |
Max. work diameter × Max. length |
Φ580×1600 mm |
Φ580×1800 mm |
Φ580×2000 mm |
Capacity |
Max. swing over table |
580 m |
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 |
Max. 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 coarst |
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 |
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Roughness Ra |
0.21 |
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