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Crankshaft grinding machine MQ8260B

Time:2016/11/08 Traffic:
Specifications
MQ8260B mainly used in the automobiles, tractors diesel engine works and their repaire shops to grind the journals and crankpins
The crankshaft grinder model MQ8260B mainly used 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.
 
 
 
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 1700mm
Max. work length ground between centers 1600 mm 1600 mm 2000mm
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
               
 
Standard accessories: 
Wheel dresser, Steady rest,Left chuck,Right chuck, Balancing weight,Clamp,Vertical aligning gauge,Horizontal aligning gauge, End face dresser,Leveling wedge ,Hex. socket wrench,Wheel extractor, Wheel hoister, Wheel balancing arbor, Wheel flange ,Wheel
 
Optional accessories:
Wheel balancing, Suspension measuring device, Correcting device