• Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine

Crankshaft Grinding Machine

Transport Package: Wooden Case
Trademark: Sjmc
Origin: China

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Rating: 4.0/5
Manufacturer/Factory, Trading Company

Basic Info.

Model NO.
MQ8260A MQ8260B MQ8260C
Production Capacity
50/Year

Product Description

Crankshaft Grinding Machine

MQ8260A crankshaft grinding machine is intended for use in automobile, tractor and diesel engine repairing shops to regrind the crankpins and journals of crandshafts. Wheelhead rapid approach and withdrawal is hydraulically effected, the worktable is operated approached either by hand or by power. Power table traverse, either left or right, is momentily actuated by depressing and releasing the electric push button in connection with the desired direction. This arrangement facilitates table spacing for the grinding of the next journal or crankpin.

1. Four different work speeds are obtainable by making use of a double - speed motor and the belts in workhead.
2. Union chucks are used in the headstock and tailstock for adjusting eccentricity up to 120 mm.
3. Friction coupling is used in the headstock transmission chain for its easy adjustment.
4. Table longitudinal traverse is operated either by hand or by power.
5. Wheelhead rapid approach and withdrawal is effected by hydraulic means.
6. Rolling guideways are used on wheelhead and made by high quality material. The wheel spindle being of 80 mm in
7. Diameter has good rigidity and strength.
8. Plastic coated bed ways with less friction.
9. The bed ways and wheelhead ways are lubricated in automatic cycle by means of oil pump.
10. The digital display device can be optional.
Model
 
MQ 8260A × 1600
 
MQ 8260A × 1800
 
MQ 8260A × 2000
 
Max. work diameter × Max. length
 
Φ600× 1600 mm
 
Φ600× 1800 mm
 
Φ600× 2000 mm
 
Capacity
 
Max. swing over table
 
Φ 600 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 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 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
 
Φ900x32xΦ 305 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)
 

 
Table swivel per grad of scale (taper 1:50)
 
10'
 
Overall capacity of motor
 
9.82 kw
 
11.2 kw
 
Overall dimensions (LxWxH) (mm)
 
4166x2037x1584
 
4900x2037x1584
 
Packing dimensions (LxWxH) (mm)
 
4300x2200x2000
 
5300x2200x2000
 
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
 

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