MQ8260C Crankshaft grinding machine
Features
The crankshaft grinder model MQ8260C is modified on the basis of the model MQ8260A and intended for use in the automobiles, tractors, diesel engine works and their repair shops to grind the joumals crankpins of crankshafts.
Structure features:
-
Three different work speeds are obtainable by the use of the belts in the work head. The cover of headstock can be opened so that the belts can be changed conveniently.
-
Cross swallow-tailed chucks are 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 effected by hydraulic means can be digitally displayed at a resolution of 0.005mm.
-
The wheel spindle of 80mm in diameter has good rigidity and strength.
-
The roller ways are for wheelhead movement.
-
The bed ways and wheelhead ways are lubricated in an automatic cycle by means of the oil pump. Plastic coat is adhered to the bed way.
-
Air cushion can be used on the tailstock providing easy adjustment, crosswise movement.
MQ8260C Crankshaft grinding machine
Main specifications
|
Model
|
MQ8260C×1600
|
MQ8260C×1800
|
|
Max. work diameter × Max. length
|
Φ600×1600 mm
|
Φ600×1800 mm
|
|
Capacity
|
Max. swing over table
|
Φ600 m
|
|
Work diameter ground with steady rest
|
Φ30-100 mm
|
|
Throw of crankshaft
|
110 mm
|
|
Max. work length ground in 3 jaw chuck
|
1400 mm
|
1600 mm
|
|
Max. work length ground between
centers
|
1600 mm
|
1800 mm
|
|
Max. work weight
|
120 kg
|
|
Headstock
|
Center height
|
300 mm
|
|
Work speed (rpm)
|
25,45,95
|
|
wheelhead
|
Max. cross movement
|
185 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
|
740, 890 rpm
|
|
Wheel peripheral speed
|
25.6~35 m/sec
|
|
Wheel size
|
Φ900×32×Φ305 mm
|
|
Table
|
Table traverse per turn of handwheel
coarse
|
5.88 mm
|
|
Table traverse per turn of handwheel
fine
|
1.68 mm
|
|
Table swivel (taper 18/100)
|
5°
|
|
Table swivel per grad of scale (taper
1:50)
|
10’
|
|
Overall capacity of motor
|
9.82 kw
|
|
Overall dimensions (L×W×H)
|
4166×2037×1584 mm
|
|
Packing dimensions (L×W×H)
|
4300×2200×2000 mm
|
|
Weight
|
6000 kg
|
6200 kg
|
|
Working accuracy
|
Ovality new standard
|
0.005
|
|
Cylindricity
|
0.01
|
|
Roughness
|
Ra 0.32
|
Ra 0.32
|
|
|
|
|
|
|
MQ8260C Crankshaft grinding machine
Standard Accessories
jaw chucks
wheel dresser
wheel balancing arbor
leveing wedge
driving dog
vertical aligning stand
horizontal aligning stand
wheel balancing stand
hanging measuring device
steady rest
centering device
grinding wheel
Optional Accessories
end dresser
digital readout
polisher
diamond dresser
MQ8260C Crankshaft grinding machine
Features
The crankshaft grinder model MQ8260C is modified on the basis of the model MQ8260A and intended for use in the automobiles, tractors, diesel engine works and their repair shops to grind the joumals crankpins of crankshafts.
Structure features:
-
Three different work speeds are obtainable by the use of the belts in the work head. The cover of headstock can be opened so that the belts can be changed conveniently.
-
Cross swallow-tailed chucks are 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 effected by hydraulic means can be digitally displayed at a resolution of 0.005mm.
-
The wheel spindle of 80mm in diameter has good rigidity and strength.
-
The roller ways are for wheelhead movement.
-
The bed ways and wheelhead ways are lubricated in an automatic cycle by means of the oil pump. Plastic coat is adhered to the bed way.
-
Air cushion can be used on the tailstock providing easy adjustment, crosswise movement.
MQ8260C Crankshaft grinding machine
Standard Accessories
jaw chucks
wheel dresser
wheel balancing arbor
leveing wedge
driving dog
vertical aligning stand
horizontal aligning stand
wheel balancing stand
hanging measuring device
steady rest
centering device
grinding wheel
Optional Accessories
end dresser
digital readout
polisher
diamond dresser
