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Distance Between Centers: 1000/1500mm · Diameter Ground (O.D): 8–320mm · Max. Workpiece Weight: 100kg
The MGK series CNC cylindrical grinder features a T-type moving table, static pressure guideway, and precision ball screw. Its stable double-layer bed supports cylindrical, conical, and form grinding. Achieves roundness ≤ 0.0005mm, cylindricity ≤ 0.002mm, and roughness ≤ 0.04μm.
MGK Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Extended Grinding Range and Weight Capacity: Handles shafts up to 1500mm long and 100kg in weight for heavy industry needs.
- ● High-Precision CNC Control: Fully programmable X/Z-axis travel for precise multi-journal, taper, and shoulder grinding.
- ● Stable Cast Bed & Reinforced Tailstock: Minimizes vibration and thermal drift for better repeatability during long-cycle runs.
- ● Integrated Coolant & Filtration System: Ensures part cooling and maintains tight tolerances even during heavy-duty passes.
- ● Compatible with Various Grinding Wheel Sizes: Supports profile dressing and custom wheel shapes for different shaft contours.
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Recommended Configurations
- ● Spindle and Grinding Wheel System: Hydrostatic/rolling spindle, grinding wheel motor (variable frequency control), automatic dresser (diamond dressing/one-point dressing)
- ● Workpiece Spindle and Tailstock System: Workpiece spindle (manual/servo), precision chuck or centers, adjustable tailstock (hydraulic/manual)
- ● Feeding System: High-precision ball screw and linear guide, automatic feeding and gap compensation control
- ● Cooling and Chip Removal System: Cooling liquid circulation and spray system, high-efficiency filtration system, chip conveyor
- ● Control System and Automation: CNC or PLC control, Human-Machine Interface (HMI), automatic grinding cycle control (rough grinding/fine grinding/final grinding)
- ● Measurement and Compensation System: Online measurement system (contact/non-contact), laser or inductive displacement sensor, automatic wear compensation
- ● Lubrication and Maintenance System: Centralized lubrication system, precise oil supply and oil quantity monitoring
- ● Fixtures and Accessories: Rotary chuck, centers, follow rest, specialized workpiece fixtures
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Application Case
- ● Client: Power Transmission Equipment Supplier (India).
- ● Workpiece: Ø160mm × 1400mm gear spindle, hardened steel.
- ● Setup: MGK1632 + hydraulic tailstock + Fanuc CNC + profile dresser.
- ● Results: Surface roundness achieved: ≤1.8 μm, Dimensional deviation within ±0.005 mm over entire shaft length, Operator review: “Machine runs smooth even under full load. Tool path compensation is fast and accurate.”.
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Product Specifications
| Specifications | / | Unit | MGK1320/MGK1320M | MGK1620/MGK1620M | MGK1332 | MGK1632 |
|---|---|---|---|---|---|---|
| General capacity | Distance between centers | mm | 500、750 | 500、750 | 1000、1500 | 1000、1500 |
| Center height | mm | 135 | 135 | 180 | 180 | |
| Dia.Ground(O.D) | mm | 8~200 | 8~200 | 8~320 | 8~320 | |
| Max.weight of work piece | Kg | 50 | 50 | 100 | 100 | |
| Workhead | Center taper | MT | 4 | 4 | 5 | 5 |
| Spindle speed/Stepless | r/min | 50HZ:60~600 | 50HZ:60~600 | 50HZ:35~350 | 50HZ:35~350 | |
| Wheelhead | Max.dimension of wheel(OD×W×ID) | mm | 400×50×203 | 500×80×203 | 500×80×203 | 500×80×203 |
| Wheel peripheral velocity | m/s | 35 | 45 | 45 | 45 | |
| Min set unit | mm | 0.0001 | 0.0001 | 0.0001 | 0.0001 | |
| Max.swiveling angle of table | Cockwise | 。 | 5°(500)、3°(750) | 5°(500)、3°(750) | 3° | 3° |
| Anticlockwise | 。 | 9°(500)、8°(750) | 9°(500)、8°(750) | 7°(1000)、6°(1500) | 7°(1000)、6°(1500) | |
| Tailstock | Center tape(MT) | MT | 4 | 4 | 4 | 4 |
| Quill travel | mm | 30 | 30 | 30 | 30 | |
| Electric system | CNC System | Siemens 808D,Fanuc OITF or others | ||||
| Wheelhead motor power | Kw | 5.5 | 7.5 | 7.5 | 7.5 | |
| Workhead motor power | Kw | 1.1 | 1.1 | 1.5 | 1.5 | |
| Machining accuracy | Roundness | μm | 0.5 | 0.5 | 0.5 | 0.5 |
| Cylindricity | μm | 2(500)、3(750) | 2(500)、3(750) | 3 | 3 | |
| Roughness | μm | Ra0.04 | Ra0.04 | Ra0.04 | Ra0.04 | |
| Machine | Gross weight | t | 5.7(500)6.2(750) | 6.2(500)6.6(750) | 6.7(1000)7.7(1500) | 8(1000)9(1500) |
| Packing dimension | cm | 340×240×220(500) | 340×240×220(500) | 460×250×220(1000) | 460×250×220(1000) | |
| 400×240×220(750) | 400×240×220(750) | 560×250×220(1500) | 560×250×220(1500) | |||
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Frequently Asked Questions
Absolutely. Minnuo has a fast-responding pre-sales team. As long as I provide part drawings, you can recommend a suitable external cylindrical grinding machine within 10 minutes. For multiple machines or production lines, a complete configuration plan will be provided within 5 working days.
Yes. Our company has comprehensive manufacturing capabilities. Whether it’s machine structure, spindle speed, motor power, or control system, I can customize the external cylindrical grinding machine according to my specific machining requirements.
Our company equipped with high-end machining centers from top global brands, ensuring the precision and stability of all key components in each external cylindrical grinding machine. Every machine undergoes complete quality testing before delivery, with detailed inspection reports provided.
For standard models, we have stock available for fast delivery. For customized external cylindrical grinding machines, the delivery time is usually 30 to 45 working days, depending on the complexity of the project.
All machines come with a one-year warranty. During the warranty period, I can receive free repair services. If any issue arises, your support team offers 24/7 technical service via remote video, phone, or on-site assistance to help me resume production quickly.
External cylindrical grinding machines are ideal for precision grinding of external round surfaces, including shafts, sleeves, rollers, and pump bodies. They are suitable for various materials such as steel, stainless steel, and carbide, depending on wheel and process configuration.
Our external cylindrical grinding machines can achieve roundness and dimensional accuracy within ±0.002mm under standard conditions. For applications with strict surface finish requirements, I can also upgrade to high-precision spindles and dynamic balancing systems.
Yes. Our external cylindrical grinding machine supports modular upgrades and configuration changes. I can add automation, upgrade control systems, or change fixtures as needed. This flexibility helps me adapt to evolving production needs and extends the machine’s value over time.
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