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Xi'an Amco Machine Tools Co., Ltd.

Crankshaft grinding machine, grinding machine manufacturer / supplier in China, offering crankshaft grinding machine MQ8260A series(MQ8260A), C9372 Brake Disc Cutting Machine, JL 21 Series Press Machine Approved By CE standard and so on.

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crankshaft grinding machine MQ8260A series(MQ8260A)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 500 Sets/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: MQ8260A
  • Processing Object: Crank Shaft
  • Precision: Precision
  • Trademark: AMCO
  • Origin: Shaanxi Xi′an
  • Type: crankshaft grinding machine
  • Automatic Grade: Automatic
  • Certification: ISO 9001
  • Specification: SGS
Product Description
crankshaft grinding machine MQ8260A series

MQ8260A is modified on the base of the Model MQ8260 and intended for use in the automobile, tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshafts.

 1.Three different work speeds are obtainable by making use of the belts in the workhead.
2.Cross chucks are used in the headstock and tailstock.
3.Friction coupling is used in the headstock transmission chain for its easy adjustment.
4.Table traverse is operated either by hand or by power.
5.Wheelhead rapid approach and withdrawal is effected through hydraulic means.
6.The wheel spindle being of 80mm in diameter has good rigidity and strength.
7.Use is made of roller ways for wheelhead movement.
8.The bed ways and wheelhead are lubricated in an automatic cycle by means of the oil pump.


Max. work diameter × Max. lengthΦ580×1600mmΦ580×1800mmΦ580×2000mm
 Max. swing over table580 mm
 Work diameter ground with steady rest
Φ30-100 mmΦ50-120 mm
 Throw of crankshaft110 mm120 mm
 Max. work length ground in 3 jaw chuck1400 mm1600 mm1800 mm
 M ax. work length ground between centres1600 mm1800 mm2000 mm
 Max. work weight120 kg150 kg
Centre height300 mm
 Work speed (rpm)25,45,9525,45,65,100
 Max. cross movement185 mm
Wheelhead rapid approach & withdrawal100 mm
 Wheelhead feed per turn of cross feed handwheel1 mm
 Wheel feed per grad of cross feed handwheel0.005 mm
Grinding wheel
Wheel spindle speed740, 890 rpm
Wheel peripheral speed25.6 – 35 m/sec
Wheel sizeΦ900x32xΦ305 mm
Table traverse per turn of handwheel coast5.88 mm
Table traverse per turn of handwheel fine1.68 mm
Table swivel (taper 18/100)
Table swivel per grad of scale (taper 1:50)10'
Overall capacity of motor9.82 kw11.2 kw
Overall dimension (LxWxH) (mm)4166x2037x15844900x2037x1584
 Weight6000 kg6200 kg7000 kg
Ovality (new standard0.005
Roughness Ra0.21
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