Crankshaft Grinding Machine

Crankshaft Grinding Machine
Model No. MQ8260C
Origin: China
Min. Order: Negotiable
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.

·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.

·Cross swallow-tailed chucks are selectively used in the headstock and tailstock.

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

·Single layer table, with an oblique angle of 10 degree, longitudinal traverse can be operated either by hand or by power.

·Wheel head rapid approach and withdrawal effeced by hydraulic means can be digitally displayed at a resolution of 0.005mm.

·The wheel spindle being of 80mm in diameter has good rigidity and strength

·The roller ways are for wheel head movement

·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.

·Air cushion can be used on the tailstock providing easy adjustment. Crosswise movement of tailstock is effected.

Main specifications




Max. work diameter × Max. length

Φ600×1600 mm

Φ600×1800 mm


Max. swing over table

Φ600 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


Center height

300 mm

Work speed (rpm)



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

Φ900×32×Φ305 mm


Table traverse per turn of handwheel coarse

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)


Overall capacity of motor

9.82 kw

Overall dimensions (L×W×H)

4166×2037×1584 mm

Packing dimensions (L×W×H)

4300×2200×2000 mm


6000 kg

6200 kg

Working accuracy

Ovality new standard





Ra 0.32

Ra 0.32

Crankshaft grinding machine MQ8260C

Standard Accessories
jaw chucks
wheel dresser
wheel balancing arbor
leveing wedge
driving dog
vertical aligning stand
horizontal aligning stand
wheel balancing stand
hanging measuring device
steady rest
centering device
grinding wheel

Optional Accessories
end dresser
digital readout
diamond dresser

Copyright © 2009 Xinyu Machinery Co., Ltd.   Support By Intimebiz
Add.: No.10, Huan Cheng Bei Er Lu,Seven Star district,Guilin, China   E-mail:
Tel: 0086-773-5609507 Fax: 0086-773-5606863