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MQ8260C Automobile Engine Hydraulic Wheelhead Crankshaft Grinding Machine

Crankshate Grinding Machine
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  • MQ8260C
  • MACH
MQ8260C Automobile Engine Hydraulic Wheelhead Crankshaft Grinding Machine 

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.
-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 affected.



Specifications

Model

MQ8260C×1600

MQ8260C×1800

Max. work diameter × Max. length

Φ600×1600 mm

Φ600×1800 mm

Capacity

 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

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

Φ900x32xΦ305 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)

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

10

Overall capacity of motor

9.82 kw

Overall dimensions (LxWxH)

4166x2037x1584 mm

Packing dimensions (LxWxH)

4300x2200x2000 mm

Weight

6000 kg

6200 kg

Working

accuracy

Ovality new standard

0.005

Cylindricity

0.01

Roughness

Ra 0.32

Ra 0.32





Photos

MQ8260C (2)




Guarantee

Quality is our forte and we have clients spreading all over the world. We are committed to a well-defined and self-framed quality policy. The policy revolves around through and repeated checking of the crankshaft grinding machine. We are the regular exporters of our products throughout Asia, Africa and several European countries. Our after-sales service terms and conditions as follows:

  • The crankshaft grinding machines are tested and have trial production in our factory before leaving our factory and they are shipped out only after the customers are satisfied with them.
  • When the crankshaft grinding machines are tested, our technicians will train the customers’ technicians in theory and practice till they grasp the skills.
  • During this period of one year warranty , if the crankshaft grinding machines were damaged by non-artificial reasons, we are responsible for repairing or changing parts.
  • During this period of warranty, if there is something wrong with the crankshaft grinding machine, we are responsible to provide project for solving this problem at the soonest, and help customers to restore production as soon as possible.
  • After the warranty, we charge only cost price for maintaining the crankshaft grinding machines within three years.
  • Other after-sale terms can be agreed by buyer and seller in addition.

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