General Description:
This machine is intended for use in the automobile, tractor, diesel engine works and their repairing shops to grind both crankshaft journals and crankshaft arms.
Structure Features:
1. Flexible belt drive for speed change—3 speeds of work spindle obtainable;
2. Two types of chucks on headstock and tailstock一called union chuck and cross chuck, provided for users to select according to their own preference;
3. Friction clutch used in the headstock transmission chain for easy adjustment;
4. Table traverse operated both by hand and by power;
5. Rapid approach & withdrawal of wheel carriage effected by hydraulic means;
6. The wheel spindle being 80mm in diameter has good rigidity and strength;
7. Rolling guideways employed for movement of wheel carriage;
8. Table and wheel carriage lubricated automatically by oil pump circulation;
9. A digital device for cross feed display, and a hydrostatic & dynamic wheel spindle available as optional elements.
Specification
|
Model
|
MQ8260Ax16
|
|
type
|
580×1600
|
||
Max. work swing diameter
|
mm
|
580
|
|
Max. work length
|
mm
|
1600
|
|
Max. swing over table
|
mm
|
580
|
|
Work diameter ground with steady rest
|
mm
|
30-100
|
|
Throw of crankshaft
|
mm
|
110
|
|
Max. work length ground: in 3 jaw chuck
|
mm
|
1400
|
|
Between centers
|
mm
|
1600
|
|
Max. work weight
|
kg
|
120
|
|
Headstock center height
|
mm
|
300
|
|
Headstock work speed
|
r/min
|
25,45,95
|
|
Wheel head Max.cross movement
|
mm
|
185
|
|
Wheel head rapid approach & withdraw
|
mm
|
100
|
|
Wheel feed per turn of cross feed hand wheel
|
mm
|
1
|
|
Wheel head per grad of cross feed hand wheel
|
mm
|
0.005
|
|
Grinding wheel spindle speed
|
r/min
|
740,890
|
|
Grinding wheel peripheral speed
|
m/sec.
|
25.6-35
|
|
Grinding wheel size(O.D. x width x bore)
|
mm
|
900x32x305
|
|
Table traverse of per turn hand wheel
|
Coarse
|
mm
|
5.88
|
Fine
|
mm
|
1.68
|
|
Table sway: taper (18 /100)
|
angle5° taper9/100
|
||
Table sway per grad of scale(taper 1: 50)
|
angle1° taper1/100
|
||
Overall capacity of motors
|
kw
|
9.82
|
|
Overall dimensions(L* W * H)
|
mm
|
4166x2037x1584
|
|
Weight
|
kg
|
6000
|
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