Zhengzhou Timeway Machine Tool Co., Ltd.
Zhengzhou Timeway Machine Tool Co., Ltd.
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Crankshaft Grinding Machine / Crankshaft
Grinder ( MQ8260C )
Features:
The crankshaft grinding machine is used in automobile, tractor, diesel engine works and their repair shops to grind the journals and crankpins of crankshaft, also used in large engineering machinery and diesel engines for ships to grind crankshaft.
MQ8260Cx16, MQ8260Cx18
Work spindle speed adjustable between 3 speeds by simply changing belts.
Cross swallow tailed chucks used in workstock and tailstock.
Friction clutch used in the headstock transmission chain for easy adjustment.
Single layer table, with an oblique angle of 10 degree; table traverse opearated both by hand and by power.
Rapid approach and withdrawal of wheel carriage effected by hydraulic means.
The wheel spindle being of 80mm in diameter has good rigidity and strength.
The rolling guideways employed for movement of wheel carriage.
Lubrication of table and wheel carriage operated automatically bu oil pump circulation.
Parameter:
| Model | Unit | MQ8260Cx16 | MQ8260Cx18 | MQ8260x30 |
| Max. work swing dia. x Max. length | mm | 600x1600 | 600x1800 | 600x3000 |
| Max. swing daimeter over table | mm | 600 | 600 | 600 |
| Work dia. ground with steady rest | mm | 30-110 | 30-110 | 30-200 |
| Throw of crankshaft | mm | 110 | 110 | 120 |
| Max. work length ground: in 3-jaw chuck | mm | 1320 | 1520 | 2800 |
| Max. work length ground: between centers | mm | 1600 | 1800 | 3000 |
| Max. work weight | kg | 120 | 120 | 1000 |
| Center height | mm | 300 | 300 | 320 |
| Work speed | rpm | 25, 45, 95 | 25, 45, 95 | 25-95(stepless) |
| Max. cross movement | mm | 185 | 185 | 185 |
| Wheel-head rapid approach & withdrawal | mm | 100 | 100 | 260 |
| Wheel feed per turn of cross feed handwheel | mm | 1 | 1 | 1 |
| Per grad of cross feed handwheel | mm | 0.005 | 0.005 | 0.005 |
| Wheel spindle speed | rpm | 740, 890 | 740, 890 | 740, 890 |
| Wheel peripheral speed | m/s | 25.6-35 | 25.6-35 | 35 |
| Grinding wheel size | mm | 900x32x305 | 900x32x305 | 900x65x305 |
| Table travel per turn of handwheel coarse | mm/r | 5.88 | 5.88 | 5.88 |
| Table travel per turn of handwheel fine | mm/r | 1.68 | 1.68 | 1.68 |
| Overall capacity of motors | kw | 9.82 | 9.82 | 35 |
| Machine dimensions (LxWxH) | mm | 4166x2037x1584 | 4166x2037x1584 | 9650x2400x1584 |
| Machine weight | kg | 6000 | 6500 | 14500 |
| Ovality (new standard) | mm | 0.005 | 0.005 | 0.005 |
| Cylindricity | mm | 0.01 | 0.01 | 0.012 |
| Roughness (external) | um | Ra0.32 | Ra0.32 | Ra0.32 |
| Roughness (end) | um | Ra0.63 | Ra0.63 | Ra0.63 |
Q: Why choose TIMEWAY MACHINE?
A: 1 . High quality with competitive price;
2 . Professional R&D team and 25 years export experience;
3 . Exported more than 60 countries;
4 . CE, ISO Certificates;
5 . 24 HOURS ONLINE SERVICE (SKYPE, WhatsApp, Wechat, Trademanager);
6 . 12 months quality warranty;
7 . Oversea engineers available for problem resolving;
Q: Do you have QC or any safety standards for your machinery?
A: yes, we have established a highly strict quality control department to guanrantee good quality.
Q: What's the MOQ?
A: 1 set (Only some low cost machines will be more than 1 set )
Q: What about the payment terms?
A: 1) T/T with 30% advanced payment, and 70% balance payment to be paid before shipment;
2) Irrevocable LC at sight;
3) Western Union, MoneyGram, etc.
Q: How about the warranty?
A: Warranty Period is one year after delivery. Even beyond the period, we will supply lifetime service for machine.