Xian Foreign Trade and Economic Development Corporation  

Product Name: Crankshaft Grinding Machine -Mq8260A Model NO.: MQ8260A/1600, MQ8260A/1800, MQ8260A/2000 Material: Cast Iron Engine Type: Diesel Warranty: 12 Months Certification: ISO 9001 Application: Tractor, Boat, Truck, Car Specification: ISO Origin: Shaanxi Product Description Crankshaft grinding machine-MQ8260AThis crankshaft grinding machine is intended for using in automobiles, tractors, Diesel engines and their repair shops to grind journals and crankpins of crankshafts.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.Features: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.ModelMQ8260Ax16MQ8260Ax18MQ8260Ax20Max. work diameter × Max. lengthΦ580×1600mmΦ580×1800mmΦ580×2000mmCapacityMax. swing over table580 mmWork diameter ground with steady restΦ30-100 mmΦ50-120 mmThrow of crankshaft110 mm120 mmMax. work length ground in 3 jaw chuck1400 mm1600 mm1800 mmM ax. work length ground between centres1600 mm1800 mm2000 mmMax. work weight120 kg150 kgHeadstockCentre height300 mmWork speed (rpm)25,45,9525,45,65,100WheelheadMax. cross movement185 mmWheelhead rapid approach & withdrawal100 mmWheelhead feed per turn of cross feed handwheel1 mmWheel feed per grad of cross feed handwheel0.005 mmGrinding wheelWheel spindle speed740, 890 rpmWheel peripheral speed25.6 - 35 m/secWheel sizeΦ900x32xΦ305 mmTableTable traverse per turn of handwheel coast5.88 mmTable traverse per turn of handwheel fine1.68 mmTable swivel (taper 18/100)5°Table swivel per grad of scale (taper 1:50)10'Overall capacity of motor9.82 kw11.2 kwOverall dimension (LxWxH) (mm)4166x2037x15844900x2037x1584Weight6000 kg6200 kg7000 kgWorkingAccuracyOvality (new standard0.005Cylindricity0.01Roughness Ra0.21ional