Basic Info.
Type
Special Purpose Grinding Machine
Processing Object
Crank Shaft
Controlling Mode
Artificial
Automatic Grade
Automatic
Cylindrical Grinder Type
Universal Cylindrical Grinder
Certification
CE, ISO 9001
Max. Work Swing Dia. X Max. Length
600X1600 mm
Max. Work Length Ground: in 3-Jaw Chuck
1320 mm
Max. Work Length Ground: Between Centers
1600 mm
Machine Dimensions (Lxwxh)
4166X2037X1584 mm
Transport Package
Wooden Box
Specification
4166x2037x1584 mm
Production Capacity
100 Sets
Product Description
Crankshaft Grinding Machine
MQ8260Cx16 & MQ8260Cx18 & MQ8260x30
The crankshaft grinding machine is used in automobile, tractor, diesel engine works and their repair shops to grind the journals and crank-pins 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 operated 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.
* M8260x30
The machine mainly operated by hand.
Table traverse operated either by hand or by power; rapid approach & withdrawal of wheel carriage effected by hydraulic means.
Wheel spindle rotation controlled by a hydraulic & mechanical interlocking mechanism.
Workpiece rotation driven by servo motors controlled bu an electrical synchronous system.
The hydrostatic & dynamic wheel spindle driven by pulleys, equipped with separated oil system, separated lubrication device, special oil tank,and air cooling device as well.
Technical Parameter
Specification | Unit | MQ8260Cx16 | MQ8260Cx18 | MQ8260x30 |
Max. work swing dia. x Max. length | mm | 600x1600 | 600x1800 | 600x3000 |
Max. swing diameter 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 |
Accessories:
Standard accessories:
3-jaw chuck
Wheel adapter
Grinding wheels & wheel extractor
Steady rest
Driving dog
Wheel dresser
Wheel balancing arbor
Vertical aligning stand
Horizontal aligning stand
Optional acessories:
End dresser
Diamond pen
Digital indicator
Centering device
Wheel balancing stand
Hanging measuring device
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FAQ
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.
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