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MQ8260Ax1600 Crankshaft Grinding machine
 

REATURES:

The crankshaft grinder Model MQ8260A is modified on the base of the Model MQ8206 and intended for use in the automobile. tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshafts.

Structure features:

1) Three different work speeds are obtainable by making use of the belts in the headstock.

2) Cross chucks are used in the headstock and tailstock.

3) Friction coupling is used in the headstock transmission chain for its easy adjustment.

4) Table traverse is operated either by hand or by power.

5) Wheelhead rapid approach and withdrawal is effected through hydraulic means.

6) The wheel spindle being of 80mm in diameter has good rigidity and strength.

7) Use is made of roller ways for wheelhead movement.

8) The bed ways and wheelhead are lubricated in an automatic cycle by means of the oil pump.

Main specification:

Max. Work swing diameter × Max work length

Φ580×1600mm

Capacity

 

Max. Swing over table

Φ580mm

Work diameter ground with steady rest

Φ30~Φ100mm

Throw of crankshaft

110mm

Max. work length ground

 

In 3-jaw chuck

1400mm

Between centers

1600mm

Max. work weight

120kg

Work head

 

Center height

300mm

Work speed

254595r/min

Wheel head

 

Max. Cross movement

185mm

Wheel head rapid approach and withdrawal

100mm

Wheel feed per turnoff cross fed hand wheel

1mm

Per grad. of cross feed hand wheel

0.005mm

Grinding wheel

 

Wheel spindle speed (2steps)

740.890r/min

Wheel peripheral speed

25.6-35m/sec

Wheel size (O. D .× width ×Bore)

Φ900×32×Φ305mm

Table

 

Table traverse per turn of hand wheel coarse

5.88mm

Fine

1.68mm

Table Swivel (taper 18/100)

5°

Table Swivel per grad of scale (taper 1:50)

10

Overall capacity of motors

9.82kw

Overall dimensions (L×W×H)

4166x2037x1584

Weight

Approx. 6000kg

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