FEATURES:
The crankshaft grinder Model MQ8260A x 2000 is the latest product
modified on the base of the Model MQ8260A and intended not only
for use in automobile, tractor, diesel engine works and their
repair
shops to grind the journals and crank pins crankshaft,but also for
use in large engineering machinery and diesel engines for ships to
grind crankshaft.
1.Four different work speeds are obtainable by making use of a
double-speed motor and the belts in workhead.
2.Union chucks are used in the headstock and tailstock for
adjusting
eccentricity up to 120mm.
3.Friction coupling is used in the headstock transmission chain for
its easy adjustment.
4.Table longitudinal traverse is operated either by hand or by
power.
5.Wheelhead rapid approach and withdrawal is effected by hydraulic
means.
6.Rolling guide ways are used on wheelhead and made by high quality
material. The wheel spindle being of 80mm in diameter has
good rigidity
and strength.
7.Plastic coated bed ways with less friction.
8.The bed ways and wheelhead ways are lubricated in automatic cycle
by
means of oil pump.
9.The digital display device can be optional.
Specification:
1. Max.work swing diameter x Max work length: dia580 x 2000mm
2. Max. swing over table: dia580mm
3. Work diameter ground with steady rest:dia50-120nn
4. Throw of crankshaft: 120mm
5. Max. work length ground in 3-jaw chuck:1800mm
6. Max. work length ground between centers: 2000mm
7. Max.work weight: 150kgs
8. Center height: 300mm
9. Work speed: 30. 45. 65. 100r/min
10.Max.cross movement: 185mm
11.Wheel head repaid approach and withdrawal: 100mm
12.Wheel feed per turn of cross feed handwheel: 1 mm
13.Wheel feed per grad. of cross feed handwheel: 0.005mm
14.Wheel spindle speed (2 steps): 740, 890r/min
15.Wheel peripheral speed: 25.6-35m/sec
16.Wheel size (O.D. x Width x Bore): dia900 x 32 x dia305mm
17.Table traverse per turn of handwheel coarse: 5.88mm
18.Table traverse per turn of handwheel fine: 1.68mm
19.Table swivel (taper 9/180):5°
120.Table swivel per grad. of scale (taper 1:50):1°
21.Overall capacity of motors: 11, 12kw
22.Overall dimensions (LxWxL): 4900 x 2037 x 1584mm
23.Weight:6500kgs
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