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.
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Specification
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Model
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MQ8260Ax16
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type
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580×1600
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Max. work swing diameter
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mm
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580
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Max. work length
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mm
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1600
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Max. swing over table
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mm
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580
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Work diameter ground with steady rest
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mm
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30-100
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Throw of crankshaft
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mm
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110
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Max. work length ground: in 3 jaw chuck
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mm
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1400
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Between centers
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mm
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1600
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Max. work weight
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kg
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120
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Headstock center height
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mm
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300
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Headstock work speed
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r/min
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25,45,95
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Wheel head Max.cross movement
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mm
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185
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Wheel head rapid approach & withdraw
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mm
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100
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Wheel feed per turn of cross feed hand wheel
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mm
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1
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Wheel head per grad of cross feed hand wheel
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mm
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0.005
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Grinding wheel spindle speed
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r/min
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740,890
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Grinding wheel peripheral speed
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m/sec.
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25.6-35
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Grinding wheel size（O.D. x width x bore）
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mm
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900x32x305
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Table traverse of per turn hand wheel
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Coarse
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mm
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5.88
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Fine
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mm
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1.68
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Table sway: taper （18 /100）
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angle5° taper9/100
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Table sway per grad of scale（taper 1: 50）
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angle1° taper1/100
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Overall capacity of motors
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kw
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9.82
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Overall dimensions（L* W * H）
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mm
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4166x2037x1584
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Weight
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kg
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6000
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