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Help CenterSmall Crankshaft Grinding Machine / Crankshaft Grinder ( QM-600A)
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QM series Small Crankshaft Grinding Machine / Crankshaft
Grinder ( QM-600A )
Features:
This machine is used in the automobile, tractor, diesel engine works and their repairing shops to grind
both crankshaft journals and crankshaft arms.
1. Flexible belt drive for speed change - 3 speeds of work spindle obtainable;
2. Two types of chucks on headstock and tailstock - called union chuck and cross chuck, provided for users to
select according to their own preference;
3. Friction clutch used in the headstock transmission chain for easy adjustment;
4. Table traverse operated both by hand and by power;
5. Rapid approach & withdrawal of wheel carriage effected by hydraulic means;
6. The wheel spindle being 80mm in diameter has good rigidity and strength;
7. Rolling guideways employed for movement of wheel carriage;
8. Table and wheel carriage lubricated automatically by oil pump circulation;
9. A digital device for cross feed display, and a hydrostatic & dynamic wheel spindle available as optional elements
Parameter:
| Specification | Unit | QM-600Ax16 | QM-600Ax18 | QM-600Ax20 |
| Max. work swing dia. × Max. length | mm | φ580×1600 | φ580×1800 | φ580×2000 |
| Max. swing over table | mm | 580 | 580 | 580 |
| Work dia. ground with steady rest | mm | φ30~φ100 | φ30~φ100 | φ50~φ120 |
| Throw of crankshaft | mm | 110 | 110 | 120 |
| Max. work length ground: in 3-jaw chuck | mm | 1400 | 1600 | 1800 |
| between centers | mm | 1600 | 1800 | 2000 |
| Max. work weight | kg | 120 | 120 | 150 |
| Center height | mm | 300 | 300 | 300 |
| Work speed | r/min | 25, 45, 95 | 25, 45, 95 | 30, 45, 65, 100 |
| Max. cross movement | mm | 185 | 185 | 185 |
| Wheel-head rapid approach & withdrawal | mm | 100 | 100 | 100 |
| per grad of cross feed handwheel | mm | - | - | - |
| Wheel feed per turn of cross feed handwheel | mm | 0.005 | 0.005 | 0.005 |
| Wheel spindle speed | r/min | 740, 890 | 740, 890 | 740, 890 |
| Wheel peripheral speed | m/sec | 25.6~35 | 25.6~35 | 25.6~35 |
| Wheel size | mm | φ900×32×φ305 | φ900×32×φ305 | φ900x32xφ305 |
| Table travel per turn of handwheel coarse | mm | 5.88 | 5.88 | 5.88 |
| fine | mm | 1.68 | 1.68 | 1.68 |
| Table swivel(taper 18/100) | degree | 5°, taper 9/100 | 5°, taper 9/100 | 5°, taper 9/100 |
| Table swivel per grad of scale(taper 1:50) | 1°, taper 1/100 | 1°, taper 1/100 | 1°, taper 1/100 | |
| Overall capacity of motors | kw | 9.82 | 9.82 | 11.12 |
| Overall dimensions(LxWxH) | mm | 4166x2037x1584 | 4166x2037x1584 | 4900x2037x1584 |
| Weight | kg | 6000 | 6200 | 7000 |
| Ovality(new standard) | mm | 0.005 | 0.005 | 0.005 |
| Cylindricity | mm | 0.01 | 0.01 | 0.01 |
| Roughness Ra | um | 0.32 | 0.32 | 0.32 |
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