Crankshaft Grinder MQ8260CX18 |
MQ8260C Crankshaft Grinding Machine
FEATURE:
1. Three different work speeds are obtainable by making use of the belts in the headstock . The cover can be opened so that the belts can be changed conveniently.
2. Cross swallow-tailed chucks are selectively used in the head stock and tailstock.
3.Friction coupling is used in the head stock transmission chain for its easy adjustment.
4. Single layer table with an oblique angle of 10degree,longitudinal traverse can be operated either by hand or by power.
5. Wheel head rapid approach and withdrawal effected by hydraulic means can be digitally displayed at a resolution of 0.005mm.
6. The wheel spindle being of 80mm in diameter has good rigidity and strength.
7. The roller ways are for wheel head movement an automatic cycle by means of the oil pump . Plastic cost is adhered to the bed way.
8. Air cushion can be used on the tail stock providing easy adjustment . Crosswise movement is effected.
| Model | MQ8260Ax16 | MQ8260AX18 | MQ8260AX20 | MQ8260CX16 | MQ8260CX18 |
| Max. Work swing diameter × Max work length | 580×1600mm | 580×1800mm | 580×2000mm | 600×1600mm | 600×1800mm |
| Capacity | |||||
| Max. Swing over table | 580mm | 580mm | 580mm | 600mm | 600 |
| Work diameter ground with steady rest | 30~100mm | 30~100mm | 50~120mm | 30~100mm | 30~110 |
| Throw of crankshaft | 110mm | 110mm | 120mm | 110mm | 110 |
| Max. work length ground | |||||
| In 3-jaw chuck | 1400mm | 1600mm | 1800mm | 1400mm | 1600 |
| Between centers | 1600mm | 1800mm | 2000mm | 1600mm | 1800 |
| Max. work weight | 120kg | 120kg | 150kg | 120kg | 120 |
| Work head | |||||
| Center height | 300mm | 300mm | 300mm | 300mm | 300 |
| Work speed | 25,45,95r/min | 25,45,95r/min | 30,45,65,100r/min | 25,45,95r/min | 25,45,95r/min |
| Wheel head | |||||
| Max. Cross movement | 185mm | 185mm | 185mm | 185mm (85mm Opted) | 185mm (85mm Opted) |
| Wheel head rapid approach and withdrawal | 100mm | 100mm | 100mm | 100mm (200mm Opted) | 200mm |
| Wheel feed per turnoff cross feed hand wheel | 1mm | 1mm | 1mm | 1mm | 1mm |
| Per grad. of cross feed hand wheel | 0.005mm | 0.005mm | 0.005mm | 0.005mm | 0.005mm |
| Grinding wheel | |||||
| Wheel spindle speed (2steps) | 740.890r/min | 740.890r/min | 740.890r/min | 740.890r/min | 740.890r/min |
| Wheel peripheral speed | 25.6-35m/sec | 25.6-35m/sec | 25.6-35m/sec | 25.6-35m/sec | 25.6-35m/sec |
| Wheel size (O. D .× width ×Bore) | Φ900×32×Φ305mm | Φ900×32 ×Φ305mm | Φ900×32 ×Φ305mm | Φ900×32 ×Φ305mm | Φ900×32 ×Φ305mm |
| Table | |||||
| Table traverse per turn of hand wheel coarse | 5.88mm | 5.88mm | 5.88mm | 5.88mm | 5.88mm |
| Fine | 1.68mm | 1.68mm | 1.68mm | 1.68mm | 1.68mm |
| Table Swivel (taper 18/100) | 5° | 5° | 5° | ||
| Table Swivel per grad of scale (taper 1:50) | 10′ | 10′ | 10′ | ||
| Overall capacity of motors | 9.82kw | 9.82kw | 11.12kw | 9.82kw | 9.82kw |
| Overall dimensions (L×W×H) | 4166×2037 ×1584 | 4166×2037 ×1584 | 4900×2037 ×1584 | 4166×2037 ×1584 | 4166×2037 ×1584 |
| Weight | 6000kg | 6000kg | 6000kg | 6000kg | 6000kg |
With following standard accessories:
grinding wheel
3-jaw chucks
weight balancing bar
wheel balancing arbor
wheel dresser
wheel flange
vertical stand
horizontal stand
steady rest
