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Crankshaft Grinding Machine MQ8260*1800
Crankshaft Grinding Machine MQ8260*1800
Crankshaft Grinding Machine MQ8260*1800
Crankshaft Grinding Machine MQ8260*1800
Crankshaft Grinding Machine MQ8260*1800
Crankshaft Grinding Machine MQ8260*1800

Crankshaft Grinding Machine MQ8260*1800

Manufacturer

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Features MQ8260B & MQ8260B/6 crankshaft are simple in construction, easy in operation and wide in application; suitable for grinding crankshaft pins and journals. It can also be used as cylindrical grinder. The machine is controlled by mechanical, electric and hydraulic means; operated mainly by hand. Left right chucks are crisscross and adjustable Workpiece is held by centers or by chucks, driven by workhead motor, and feed by hand for grinding. The worktable consists of upper and lower parts, and upper part having the inclined worktable-surface at 10°( only for MQ8260B/6) Longitudinal worktable travel is realized by manual-drive or motor-drive, with the motor drive for jump displacement or adjustment. The max. wheel, worktable, coolant pump and oil pump are driven by their individual motors. Worktable and wheelhead have the hydraculic and electric interlocking mechanism, ensuring the safely even if misoperation whether in adjustment or in the process of grinding. The wheelhead is equipped with the reliable protective guard, the coolant guard and the bed ways guard is stainless steel. The wheel balancing stand adopt new static wheel balancing stand.





Main specifications




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


Max. work length ground between centers

1600 mm

1600 mm


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











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