Features :
﹣Model MQ8260B Crankshaft Grinder is suitable grinding the journals and pins of crankshafts, it may also serve as a cylindrical grinder.
﹣The table travel is effected either by power or by hand. When the table is actuated by power, it is only made inching or moving rapidly for grinding the next pin or journal. The rapid travel is effected by hydraulic means.
﹣The new designed left and right chucks are used,The max. adjustment in vertical is 110mm and in cross is 2.5mm. It is only to loosen a screw when indexing, the chucks can be swung at once.
Specifications:
|
Model |
MQ8260B |
|
Max. work diameter × Max. length |
Φ400×750 mm |
|
Capacity |
|
Max. swing over table |
Φ400 |
|
Work diameter ground |
Φ20 – Φ110 mm |
|
Throw of crankshaft |
60 mm |
|
Max. work length ground |
|
In 3-jaw chuck |
630 mm |
|
Between centres |
750 mm |
|
Max. word weight |
30 Kg |
|
Workhead |
|
Centre height |
210 mm |
|
Work speed (2 step) |
40, 80 r/min |
|
Wheelhead |
|
Max. cross movement |
150 mm |
|
Wheelhead rapid approach and with drawal |
100 mm |
|
Wheel feed per turn of cross feed handwheel |
1 mm |
|
Per grad. Of cross feed hand wheel |
0.005 mm |
|
Grinding wheel |
|
Wheel spindle speed |
890 r/min |
|
Wheel peripheral |
25.6 – 35 m/sec |
|
Wheel size (O.D. × Bore) |
Φ750 × 25 ×Φ305 |
|
Table |
|
Table travers per turn of handwheel |
Coarse |
14 mm |
|
|
Fine |
1.55 mm |
|
Overall capacity of motors |
6.92 kw |
|
Overall dimensions (L×W×H) |
2860 × 1960 × 1650mm |
|
Weight |
4800 kg |