| Customization: | Available |
|---|---|
| After-sales Service: | Video technical support, Online support |
| Warranty: | 1 Year |
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MQ8260A Crankshaft Grinding Machine
General Description:
This machine is intended for use in the automobile, tractor, diesel engine works and their repairing shops to grind both crankshaft journals and crankshaft arms.
Structure Features:
1. Flexible belt drive for speed change-3 speeds of work spindle obtainable;
2. Friction clutch used in the headstock transmission chain for easy adjustment;
3. Table traverse operated both by hand and by power;
4. Rapid approach & withdrawal of wheel carriage effected by hydraulic means;
5. The wheel spindle being 80mm in diameter has good rigidity and strength;
6. Rolling guideways employed for movement of wheel carriage;
7. Table and wheel carriage lubricated automatically by oil pump circulation;
8. A digital device for cross feed display, and a hydrostatic & dynamic wheel spindle available as optional elements.
| Specification | MQ8260B | |
| Max. workpiece swing diameter×Max. workpiece length | φ580×1600mm | |
| Processing scale | ||
| Central height | 300mm | |
| Max. workpiece swing diameter | 580mm | |
| Diameter to be ground on steady rest | Max. 100mm | |
| Min. 30mm | ||
| Max. workpiece length | Between chucks | 1300mm |
| Between centers | 1600mm | |
| Crank diameter of crankshaft | Max. 110mm | |
| Min. 0mm | ||
| Cylindrical diameter of longitudinal grinding | Max. 200mm Min. 30mm |
|
| Max. workpiece weight | 120kg | |
| Headstock and tailstock | ||
| Swing of headstock | Possible | |
| Swing of housing | Impossible | |
| Spindle rotation speed | 50Hz | 25, 50, 100r/min |
| 60Hz | 30, 6, 120r/min | |
| Three jaw chuck diameter | MQ8260B | 200mm |
| MQ8260B/1 | 250mm | |
| MQ8260B/2 | 250mm | |
| MQ8260B/H | 250mm | |
| Headstock center hole(Morse) | #5 | |
| Tailstock center hole(Morse) | #5 | |
| Movement of tailstock sleeve | 30mm | |
| Worktable | ||
| Worktable movement per rev. of handwheel | 5mm | |
| Max. longitudinal movement | Manual | 1600mm |
| Motor-driven | 1600mm | |
| Max. swing angle of upper worktable | C.W. 1°30′ | |
| C.C.W. 1°30′ | ||
| Wheelhead | ||
| Wheel size | Max. 900×40×305mm | |
| Wear amount 600×40×305mm | ||
| Spindle rotation speed | 50Hz | 760r/min |
| 60Hz | 760r/min | |
| Max. movement(include rapid movement) | 300mm | |
| Max. travel along lead screw | 200mm | |
| Rapid advance and withdrawal | 100mm | |
| Movement per rev. of cross feed handwheel | 1mm | |
| Movement per div. of cross feed handwheel | 0.005mm | |
| Wheel radius to be dressed | 0-8mm | |
| Auto cycle feed | Without | |
| Auto plunge-in feed | Without | |
| Wheel dressing and compensation feed | Manual | |
| Hydraulic System | ||
| Main oil channel adjustment pressure | 1-1.3MPa | |
| Lubrication oil channel adjustment pressure | 0.1-0.8MPa | |
| Oil pump flow rate | 10L/min | |
| Oil pump pressure | ( MQ8260B/H:11)mL/r | |
| 2.5MPa | ||
| (MQ8260B/H:6.3)MPa | ||
| Coolant system | ||
| Coolant pump flow rate | 50L/min | |
| Total motor power | 10.5KW | |
| Wheel motor power | 7.5KW | |
| Headstock motor power | 1.5KW | |
| Oil pump motor power | 0.55KW | |
| Coolant pump motor power | 0.2KW | |
| Worktable motor power | 0.75KW | |
| Dimension and net weight | ||
| Length × Width × height | 4000×2100×1630mm | |
| Net weight | 6710Kg | |
| Packing dimension and gross weight | ||
| Length × Width × height | 4380×2280×2150mm | |
| Gross weight | 8420Kg | |
Q1: How is the warranty?
A1: Warranty time is 13 months after BL date.
Q2:Can we visit your factory before order?
A2:Sure.All new and old friends are welcomed to visit us at our factory. Besides, we can pick up you at the station or airport if needed. We will be very honored to help with tickets and accommodation booking.
Q3:Do you have a stock?
A3:Sorry, most of our machines don't have stock, we always produce according to order. However, if during fairs months, maybe have few samples back from fairs.
Q4:What's the MOQ?
A4:One set only.
Q5:How about your quality?
A5:We have approved the ISO9001:2008 Quality management system.ISO14001 Environmental management system, OHSAS18001 International occupational health and safety management system, and Social Accountability 8000(SA8000). Most products have been approved by the European and American safety standards, including CE, GS, EMS&UL,90% of our products are exported to more than 60 countries and regions around the world, especially to Europe and America market and always win high reputation. So you can rest assured of our quality products and our best services.
Q6:Do you have professional engineers?
A6:Yes.we have professional engineers and designers. We can provide OEM services.
Q7:Can you provide customized machines?
A7:Yes, we can design and manufacture according to your specific requirements.
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