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MQ8260Bx1600, MQ8260B/2000

MQ8260B mainly used in the automobiles, tractors diesel engine works and their repaire shops to grind the journals and crankpins of crankshaft.
  • Features
  • Specification
  • Standard Accessories
  • Optional Accessories
  • real photo
The crankshaft grinder model MQ8260B mainly used 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.

Model

MQ8260B/6×1600

MQ8260B×1600

MQ8260B/2000

Max. work diameter × Max. length

Φ580×1600 mm

Φ580×1600 mm

Φ580×2000 mm

Worktable

oblique angle table 10°

Flat worktable

Flat worktable

Capacity

Max. swing over table

Φ580 m

Work diameter ground with steady rest

Φ30-100 mm

Grinding cylindrical diameter

Φ30-200 mm

Throw of crankshaft

110 mm

Max. work length ground in 3 jaw  chuck

1300 mm

1300 mm

1700mm

Max. work length ground between centers

1600 mm

1600 mm

2000mm

Max. work weight

120 kg

Headstock

Center height

300 mm

Work speed ( three steps )

25,50,100 r/min

wheelhead

Max. cross movement

200 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

760 rpm

Wheel size

Φ900×32×Φ305 mm / Φ900×22×Φ305 mm

Overall capacity of motor

9.45 kw

Overall dimensions (L×W×H)

4000×2100×1584 mm

4650x2100x1584mm

Packing dimensions (L×W×H)

4350×2250×2000 mm

5000×2250×2000 mm

Weight

6700 kg

6700kg

7200kg

Working

accuracy

Ovality new standard

0.005mm

Cylindricity

0.01mm

Roughness

Ra 0.32


Coolant tank with pump

Wheel dresser

End face dresser

Chuck

Balancing weight

Clamp

Vertical aligning gauge

Horizontal aligning gauge

Measuring bridge plate
Wheel extractor

Wheel hoister

Wheel flange

Steady rest

Water guard

Guard plate

Driving dog

Driving rod arm

Grinding wheel

Leveling wedge

Wheel balancing stand with arbor 
Hanging measuring device            
Correcting device                        
Polisher                                        
Diamond dresser                         
Digital display device