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Email: cncengineer@minnuo.com
Grinding Hole Diameter: φ40–φ100mm · Effective Grinding Depth: 900mm · Max. Workpiece Swing: φ400mm
The MX2018 Series is a dedicated compound grinding machine engineered for internal hole, center bore, and end face finishing in a single clamping cycle. With a grinding diameter range of 3–20mm and a maximum clamping diameter of 30mm, it is optimized for parts requiring coaxial precision and surface flatness—such as mandrels, gear blanks, spindles, and tooling shafts.
MX2018 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Compound Grinding in One Setup: Achieves simultaneous internal bore and face grinding, ensuring strict axial concentricity.
- ● Precision Bore Range (3–20mm): Covers standard shaft pilot holes, center supports, and toolholder cavities.
- ● Max. Grinding Depth of 20mm: Allows complete penetration for short bores, seating surfaces, and chamfered holes.
- ● Max. Clamping Diameter of 30mm: Suitable for small-to-medium cylindrical workpieces across various materials.
- ● Stable Spindle and Rigidity Design: Reduces vibration and ensures low runout during high-speed micro grinding operations.
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Recommended Configurations
- ● Pneumatic Self-Centering Chuck： Simplifies workpiece loading and ensures concentric clamping.
- ● Digital Micrometer Stopper： Enhances precision on grinding depth control.
- ● High-Frequency Grinding Spindle： For ultra-fine bore polishing or carbide surface finishing.
- ● In-machine Wheel Dresser Attachment： Keeps wheel shape and sharpness consistent during cycles.
- ● Integrated Coolant & Mist Collection： Ensures clean bore finishes and extended spindle lifespan.
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Application Case
- ● Client: Precision Spindle Manufacturer (Germany).
- ● Workpiece: 18mm HRC60 center holes and ends on stepped shafts.
- ● Setup: MX2018 + pneumatic chuck + high-speed spindle + internal dresser.
- ● Results: Internal hole roundness: ≤ 3 μm, End face parallelism: ≤ 4 μm, Cycle time: ~45 seconds per part, Rejection rate reduced by 65% compared to two-machine processing, Operators reported no need for secondary alignment correction.
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Product Specifications
| Specifications | Unit | MX-2018 |
|---|---|---|
| Grinding diameter | mm | 3-20 |
| Max.grinding depth | mm | 20 |
| Max.clamping diameter of workpiece | mm | 30 |
| Max.movement of worktable(axis Z) | mm | 250 |
| Max.movement of wheelhead(axis X) | mm | 680 |
| Moving speed of worktable(axis Z) | m/min | 0-20 |
| Moving speed of worktable(axis Y) | m/min | 0-20 |
| Resolution of axis Z | mm | 0.0001 |
| Resolution of axis X | mm | 0.0001 |
| Rotating speed of work spindle | r/min | 0-4000 |
| Swivel angle of the workhead | ° | ±1 |
| Positional accuracy | mm | ±0.0025 |
| Relocation accuracy | mm | ±0.0015 |
| Max.speed of bore spindle | r/min | 105000 |
| Max.power of bore spindle | KW | 2 |
| Max.speed of OD spindle | r/min | 3000 |
| Max.power of OD spindle | KW | 10 |
| Roundness of bore | mm | 0.0005 |
| Cylindricity of bore | mm | 0.001 |
| Size deviation of bore | mm | ±0.002 |
| Roundness of OD | mm | 0.001 |
| Vertical deviation between OD and end face | mm | 0.0015 |
| Size deviation of OD | mm | 0.008 |
| Coaxiality of ID and OD | mm | 0.0015 |
| Parallel deviation between internal end face and datum end face | mm | 0.01 |
| Thickness deviation of internal end face | mm | ±0.01 |
| Roughness | μm | Ra0.1 |
| Machine size | mm | 2250×1700×2000 |
| Total weight of machine | Kg | 5500 |
Catalog
Frequently Asked Questions
Yes. Minnuo has a professional and responsive technical support team. As long as you provide the part drawings, we can recommend a matching machine within 10 minutes for a single device. For multiple machines or a production line, we will provide a solution within 5 working days.
Yes, your company can provide customized CNC surface grinding machines for customers. Whether it's the control system, spindle power, automatic wheel change device, or exterior design, we can customize according to customer requirements to meet various processing needs.
Our manual surface grinding machines are suitable for small to medium batch production, repair workshops, and mold processing. They feature simple structure and easy maintenance, making them ideal for users with moderate automation needs but high precision requirements.
Yes, Minnuo is a professional surface grinding machine manufacturer with complete R&D, production, and testing systems. We provide both standard models and customized solutions, and have delivered equipment to customers in over 30 countries worldwide.
Minnuo has a complete set of basic production equipment. Whether it's the machine system, spindle speed, motor power, or sheet metal enclosure, we can provide customized solutions.
We are equipped with high-end machine tools from leading international brands to ensure the machining accuracy of components. Each surface grinding machine is rigorously tested before delivery and comes with a quality inspection report.
For standard models like manual surface grinding machines or regular CNC surface grinders, we have stock available for quick delivery. For customized models like the double column surface grinding machine, the delivery time is typically 30–45 working days, depending on the order.
Both are heavy-duty grinders. A gantry type surface grinding machine generally has a gantry structure, suitable for large workpiece surfaces. A double column surface grinding machine emphasizes rigidity and high precision, ideal for mold and precision part processing. We can recommend the right model based on your workpiece size and precision needs.
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