AMCO High Quality Crankshaft Grinder
Description
Crankshaft grinder MQ8260C is modified on the basis of the Model MQ8260A,intended for use in the automobiles tractors diesel engine works and their repair ships to grind the journals and crankpins of crankshafts.MQ8260C with 10 degree oblique worktable surface ,so maore easy flow of coolant liquid and fast removal of steel chips.
MQ8260C Series Crankshaft Grinding Machine
﹣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 roller ways are for wheel head movement.
﹣Air cushion can be used on the tailstock providing easy adjustment. Crosswise movement of tailstock is effected.
Standard Accessories
Jaw chuck, Wheel dresser,
Wheel balancing, arbor, Leveling wedge,
Driving dog Vertical aligning stand,
Horizontal aligning stand, Wheel balancing stand
Steady rest, Grinding wheel
Optional Accessories
End dresser, Digital readout
Polisher, Diamond dresser
Hanging measuring device, Centering device
Main Specifications
| Model | MQ8260C |
| Max. work diameter × Max. length | Φ580×160 mm |
| Capacity | |
| Max. swing over table | Φ600 mm |
| Work diameter ground | Φ30 – Φ100 mm |
| Throw of crankshaft | 110 mm |
| Max. work length ground | |
| In 3-jaw chuck | 1400 mm |
| Between centers | 1600 mm |
| Max. word weight | 120 Kg |
| Workhead | |
| Centre height | 300 mm |
| Work speed (2 step) | 25, 45, 95 r/min |
| Wheelhead | |
| Max. cross movement | 185 mm |
| Wheelhead rapid approach and withdraw | 100 mm |
| Wheel feed per turn of cross feed handwheel | 1 mm |
| Per grad. Of cross feed hand wheel | 0.005 mm |
| Grinding wheel | |
| Wheel spindle speed | 740, 890 r/min |
| Wheel spindle speed | 25.6 – 35 m/sec |
| Wheel size (O.D. × Bore) | Φ900 × 32 ×Φ305mm |
| Table traverse per turn of handwheel | |
| Coarse | 5.88 mm |
| Fine | 1.68 mm |
| Overall capacity of motors | 9.82 kw |
| Overall dimensions (L×W×H) | 4166 × 2037 × 1584mm |
| Weight | 6000 kg |
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