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φ25–500mm Grinding Diameter · 1500–4000mm Max Grinding Length (O.D) · 270mm Center Height
The M13 Series cylindrical grinder delivers precise, reliable grinding for small to medium workpieces, including cylindrical and conical surfaces. Its rigid design and manual controls make it ideal for workshops in automotive, aerospace, and general manufacturing.
M13 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● High Precision and Efficiency: Engineered to maintain tight roundness and surface finish tolerances, the M13 Series supports both external cylindrical and tapered grinding with high repeatability on workpieces up to 4 meters in length.
- ● Independent Drive System: The grinding wheel, oil pump, and coolant pump each operate via separate motors, minimizing mechanical interference and enhancing thermal stability and vibration control for consistent grinding performance.
- ● Precision Grinding Wheel Compatibility: Compatible with CBN, ceramic, and conventional abrasive wheels. Optional dressing units maintain optimal wheel condition during production, reducing wear and improving part consistency.
- ● Stable Mechanical Structure: Constructed from high-quality cast iron, the bed and headstock are heat-treated and stress-relieved to deliver superior rigidity and vibration damping for smooth and accurate manual grinding operations.
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Recommended Configurations
- ● Spindle and Grinding Wheel System: High-Speed Spindle, Fixed-Speed Spindle Motor, Fixed Grinding Wheel, Adjustable Grinding Wheel
- ● Worktable and Tailstock System: Manual Tailstock Adjustment, Adjustable Worktable, T-slot Worktable
- ● Feed System: High-Precision Ball Screws, Linear Guideways
- ● Cooling and Lubrication: Coolant Injection System, Automatic Lubrication System
- ● Clamping: Standard Fixtures, Pneumatic Fixtures, U-shaped Fixtures
- ● Other: Rotary Chuck, Centers, Follow Rest, Workpiece Measuring Instrument, Grinding Wheel Dressing Fixture, Lighting and Blower System, Human-Machine Interface (HMI), Protective Covers
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Application Case
- ● Client: Automotive Component Supplier – India
- ● Component: Steel shaft for commercial vehicle transmission (φ80 mm × 3000 mm)
- ● Setup: M1350-3000 with CBN grinding wheel, magnetic chuck, and paper-filter coolant system
- ● Results: • Roundness Accuracy: ≤ 0.004 mm • Surface Finish: Ra ≤ 0.6 μm
- ● Operator Feedback: "The M13 grinder provides excellent stability during long part grinding, and its simple, robust design makes it perfect for daily production runs."
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Product Specifications
| Specifications | Unit | MW1320 | M1332 | M1332H | M1350 | M1363 | MQ1380A | |
|---|---|---|---|---|---|---|---|---|
| Machining capacity | Max.length ground(O.D) | mm | 500、750 | 1000、1500 | 2000、3000 | 1500、2000、3000、4000 | 2000、3000、4000、5000 | 3000、4000、5000 |
| Center height | mm | 135 | 180 | 180 | 270 | 370 | 500 | |
| Dia.Ground(O.D) | mm | 8~200 | 8~320 | 8~320 | 25~500 | 30~630 | 50~800 | |
| Max.weight of work piece | Kg | 100 | 150 | 500 | 2000 | 3000 | 3000 | |
| Workhead | Center taper(MT) | MT | 4 | 5 | 5 | 6 | 公制80# | 公制80# |
| Spindle speed/Stepless | r/min | 50HZ:26~260 | 50HZ:19~190 | 50HZ:10~100 | 50HZ:10~100 | 50HZ:6~60 | 50HZ:5~50 | |
| Wheelhead | Max.dimension of wheel(OD×W×ID) | mm | 500×50×203 | 600×75×305 | 600×75×305 | 750×75×305 | 750×75×305 | 900×75×305 |
| Wheel peripheral velocity | m/s | 35 | 35 | 35 | 35 | 35 | 35 | |
| Hand feed per.rev | mm | rough:2fine:0.5 | rough:2fine:0.5 | rough:2fine:0.5 | rough:4fine:0.5 | rough:4fine:0.5 | rough:4fine:0.5 | |
| Hand feed per.gra | mm | rough:0.01fine:0.0025 | rough:0.01fine:0.0025 | rough:0.01fine:0.0025 | rough:0.02fine:0.0025 | rough:0.02fine:0.0025 | rough:0.02fine:0.0025 | |
| Table | Max.swivelingangle of table | Cockwise | 3° | 3° | 3° | 3°(1500)2°(2000、3000)1°(4000) | 2°(2000)1°(3000、4000、5000) | 1° |
| Anticlockwise | 9°(500)8°(750) | 7°(1000)6°(1500) | 5°(2000)3°(3000) | 6°(1500)5°(2000)3°(3000)2°(4000) | 4°(2000)3°(3000)2°(4000)1.5°(5000) | 3°(3000)2°(4000)1.5°(5000) | ||
| Longitudinal speed range of table | m/min | 0.1~4 | 0.1~4 | 0.1~3 | 0.1~3 | 0.1~2.5 | 0.1~2.5 | |
| Tailstock | Center tape | MT | 4 | 4 | 5 | 6 | metric80# | metric80# |
| Quill travel | mm | 30 | 30 | 30 | 70 | 70 | 70 | |
| Motor | Wheelhead motor power | Kw | 5.5 | 11 | 11 | 15 | 22 | 22 |
| Workhead motor power | Kw | 1.1 | 1.5 | 3 | 4 | 15 | 15 | |
| Machining accuracy | Roundness | μm | 2 | 2.5 | 3 | 2.5(1500)3(2000、3000、4000) | 3 | 3 |
| Cylindricity | μm | 5(500)8(750) | 8 | 8 | 8(1500、2000、3000)12(4000) | 8(2000、3000)12(4000、5000) | 8(3000)12(4000、5000) | |
| Roughness | μm | Ra0.2 | Ra0.2 | Ra0.32 | Ra0.32 | Ra0.32 | Ra0.32 | |
| Machine | Gross weight | t | 3(500)3.3(750) | 4(1000)4.6(1500) | 6.2(2000)7.3(3000) | 9.5(1500)10.5(2000)11.8(3000)14(4000) | 18(2000)22(3000)21(4000)23.5(5000) | 22(3000)23(4000)25(5000) |
| Packing dimension | cm | 235×203×205(500) | 326×190×205(1000) | 580×190×205(2000) | 543×225×210(1500) | 720×240×226(2000) | 876×240×230(3000) | |
| 583×225×210(2000) | 876×240×226(3000) | 1100×240×230(4000) | ||||||
| 275×203×205(750) | 426×190×205(1500) | 780×190×205(3000) | 796×225×210(3000) | 1100×240×226(4000) | 1270×240×230(5000) | |||
| 996×225×210(4000) | 1270×240×226(5000) | |||||||
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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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