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Crankshaft Grinding Machine

Views:161 Submit date:2015-02-04
Crankshaft Grinding Machine

Mark & model  :  MQ8260C/1600

Origin  :  Asia and Pacific Area  China

Quality standard  :  International

Submit date  :  2015-02-04

H.S.Classification  :   Machinery & Electronics  Machines for Working Metal   8459 Machine tools for drilling, boring, milling etc.

Product profile  :  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 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



  • 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
    diamond dresser