ITK-M8260A
Grinding Machine
เครื่องเจียระไนราบ
Crankshaft Grinding Machine
ITK-M8260A
Automobile Engine Crankshaft Grinding Machine
Features
The crankshaft grinder Model ITK-M8260A is intended for use in the automobile. Tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshafts.
-Three different work speeds are obtainable by making use of the belts in the workhead.
-One word type chucks are used in the headstock and tailstock.
-Friction coupling is used in the headstock transmission chain for its easy adjustment.
-Table traverse is operated either by hand or by power.
-Wheelhead rapid approach and withdrawal is effected through hydraulic means.
-The wheel spindle being of 80mm in diameter has good rigidity and strength.
-Use is made of roller ways for wheelhead movement.
-The bed ways and wheelhead are lubricated in an automatic cycle by means of the oil pump.
Specifications
| Model | ITK-M8260A | ITK-M8260A | ITK-M8260A | |
| Max. work diameter x Max. length | 580 x 1600mm | 580 x 1800mm | 580 x 2000mm | |
| Max. swing over table | 580 mm | |||
| Work diameter ground with steady rest | 30 x 100 mm | 50 x 120 mm | ||
| Thorow of crankshaft | 110 mm | 120 mm | ||
| Max. work length ground in 3 jaw chuck | 1400 mm | 1600 mm | 1800 mm | |
| Max. work length ground between centres | 1600 mm | 1800 mm | 2000 mm | |
| Max. work weight | 120 kg | 150 kg | ||
| Headstock | Centre height | 300 mm | ||
| Work speed (rpm) | 25,45,95 | 25,45,65,100 | ||
| wheelhead | Max. cross movement | 185 mm | ||
| Wheelhead rapid approach & withdrawal | 110 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 | 900 x 32 x 305 mm | |||
| Table traverse per turn of handwheel coarst | 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 | 11.2 kw | ||
| Overall dimension (LxWxH) mm | 4166 x 2037 x 1584 | 4900 x 2037 x 1584 | ||
| Weight | 6000 kg | 6200 kg | 7000 kg | |
| Working accuracy | Ovality (new standard) | 0.005 | ||
| Cylindricity | 0.01 | 0.01 | 0.01 | |
| Roughness Ra | 0.21 | 0.21 | 0.21 | |
