Crankshaft Grinder
Model: MQ8260C

Features
The crankshaft grinder model MQ8260C is modified on the basis of the Model MQ8260A and intended for use in the automobiles tractors diesel engine works and their repair ships to grind the journals and crankpins of crankshafts.
1. Three different work speeds are obtainable by making use of the belts in the work head. The cover can be opened so that the belts can be changed conveniently.
2. Cross swallow-tailed chucks are selectively used in the headstock and tailstock
3. Friction coupling is used in the headstock transmission chain for its easy adjustment
4. Single layer table, with an oblique angle of 10 degree, longitudinal traverse can be operated either by hand or by power.
5. Wheel head rapid approach and withdrawal effeced by hydraulic means can be digitally displayed at a resolution of 0.005mm
6. The wheel spindle being of 80mm in diameter has good rigidity and strength
7. The roller ways are for wheel head movement
8. The bed ways and wheel head ways are lubricated in an automatic cycle by means of the oil pump. Plastic coat is adhered to the bed way.
8. Air cushion can be used on the tailstock providing easy adjustment. Crosswise movement of tailstock is effected.

Main specifications
Model MQ8260C
Max. Work diameter * Max. Length Φ 600*160 mm
Capacity
Max. Swing over table Φ 600 mm
Work diameter ground Φ 30 - Φ 100 mm
Throw of crankshaft 110 mm
Max. Work length ground
In 3-jaw chuck 1400 mm
Between centres 1600 mm
Max. Word weight 120 Kg
Workhead
Centre height 300 mm
Work speed (2 step) 25, 45, 95 r/min
Wheelhead

Max. Cross movement 185 mm
Wheelhead rapid approach and with drawal 100 mm
Wheel feed per turn of cross feed handwheel 1 mm
Per grad. Of cross feed hand wheel 0.005 mm
Grinding wheel
Wheel spindle speed 740, 890 r/min
Wheel peripheral 25.6 - 35 m/sec
Wheel size (O. D. * Bore) Φ 900 * 32 *Φ 305mm
Table
Table travers per turn of handwheel Coarse 5.88 mm
Fine 1.68 mm
Overall capacity of motors 9.82 kw
Overall dimensions (L*W*H) 4166 * 2037 * 1584mm
Weight 6000 kg