Crankshaft Grinding Machine

• Transport Package: Wooden Case
• Trademark: SJMC
• Origin: Shanghai
• Model NO.: MQ8260A MQ8260B MQ8260C
• Production Capacity: 50/Year

Product Description

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 repaire shops to grind the journals and crankpins of crankshaft.
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.
9. Plastic coat is adhered to the bed way.
10. Air cushion can be used on the tailstock providing easy adjustment. Crosswise movement of tailstock is effected.

Model		MQ 8260C × 1600		MQ 8260C × 1800
Max. work diameter × Max. length		Φ600× 1600 mm		Φ600× 1800 mm
Capacity	Max. swing over table	Φ 600 m
	Work diameter ground with steady rest	Φ30× 100 mm
	Throw of crankshaft	110 mm
	Max. work length ground in 3 jaw chuck	1400 mm		1600 mm
	Max. work length ground between centers	1600 mm		1800 mm
	Max. work weight	120 kg
Headstock	Center height	300 mm
	Work speed (rpm)	25,45,95
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)	5°
	Table swivel per grad of scale (taper 1:50 )	10'
Overall capacity of motor		9.82 kw
Overall dimension (LxWxH) (mm)		4166x2037x1584
Packing dimension (LxWxH) (mm)		4300x2200x2000
Weight		6000 kg	6200 kg
Working accuracy	Ovality new standard	0.005
	Cylindricity	0.01
	Roughness	Ra 0.32	Ra 0.32