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Crankshaft Grinding Machine 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 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.

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    Main 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
    Φ900×32×Φ305 mm
    Table
    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)
    10’
    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
    Weight
    6000 kg
    6200 kg
    Working accuracy
    Ovality new standard
    0.005
    Cylindricity
    0.01
    Roughness
    Ra 0.32
    Ra 0.32
     

  • Accessories
    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
    polisher
    diamond dresser

 

 

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ICP
Update By 200712