Crankshaft Grinding Machine
Model: MQ8260A
Max. Work swing diameter x Max work length: Φ 580 x 1600mm
Max. Swing over table: Φ 580mm
Work diameter ground with steady rest: Φ 30~ Φ 100mm
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: 25, 45, 95r/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
Wheel spindle speed (2steps): 740.890r/min
Wheel peripheral speed: 25.6-35m/sec
Wheel size (O. D. X width x Bore): Φ 900 x 32 xΦ 305mm

FEATURES
The crankshaft grinder Model MQ8260A is modified on the base of the Model MQ8260 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 workhead.
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 approsch and withdrawal is effected through hydraulic means.
6. The wheel spindle being of 80mm in diameter has good rigidity and strength.
7. Roller ways for wheelhead movement.
8. The bed ways and wheelhead ways are lubricated in an automatic cycle by means of the oil pump.