Regular maintenance
-
Email: cncengineer@minnuo.com
Table Size: 480×200mm · Max. Table Travel: 520×220mm · T-slot: 1×14mm
The 818A is a manual surface grinder in the M Series lineup, offering a balance between extended table size, precision performance, and operator-friendly design. With a 480×200mm worktable and 520mm longitudinal travel, it is ideal for general-purpose toolroom applications, as well as fine finishing tasks in small-batch manufacturing.
M Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Manual Grinding with Extended Travel: Suitable for precision finishing of longer components or multiple workpieces in one cycle.
- ● Enhanced Table Dimensions (480×200mm): Offers flexibility for toolholding setups or use of larger magnetic chucks.
- ● Rugged Structure with Fine Movement Control: Built from vibration-dampening cast iron, ensuring repeatable accuracy and low thermal drift.
- ● Tight Spindle Tolerance with Long Service Life: Ensures consistent wheel performance and stable contact over time.
- ● Low Maintenance Design: Mechanical simplicity makes it ideal for hands-on machining training, manual production, or maintenance grinding.
Get More Details →
Recommended Configurations
- ● 200×450mm Magnetic Chuck: Provides secure and even clamping for varied flat workpieces.
- ● Hand Wheel Digital Micrometer Ring: Allows for ultra-fine manual feed adjustments.
- ● LED Work Lamp: Improves visual clarity during detailed grinding work.
- ● Wheel Dresser Set: Keeps grinding wheel profile consistent and sharp.
- ● Anti-Splash Side Guard Panels: Maintains cleanliness and reduces dust/splash in the grinding zone.
Get More Details →
Application Case
- ● Client: Precision Tool Manufacturer (Indonesia).
- ● Workpiece: Hardened tool steel samples (HRC 58), small fixture blocks.
- ● Setup: 818A with fine-pitch magnetic chuck and aluminum oxide wheel.
- ● Results: Achieved flatness: ≤ 3 μm over 150 mm length， Surface finish: Ra 0.2 μm， Part setup and processing averaged 5–8 mins， Operators praised low vibration and stable table glide feel.
Get More Details →
Product Specifications
| Specification | Unit | 618A | MG618A | 818A |
|---|---|---|---|---|
| Table size(L*W) | mm | 460*180 | 460*180 | 480*200 |
| Max.travel of table(L*W) | mm | 500*190 | 500*190 | 530*220 |
| T-slot of table(No.*width) | mm | 1*14 | ||
| Distance from spindle center to worktable | mm | 335 | 440 | 440 |
| Wheel size(OD*Width*ID) | mm | 200*13*31.75 | / | 200*13*31.75 |
| Spindle speed(stepless) | r/min | 2850 | ||
| Vertical feed handwheel per revolution | mm | 1.25 | ||
| Vertical feed handwheel per division | mm | 0.005 | ||
| Transverse feed handwheel per revolution | mm | 5 | ||
| Transverse feed handwheel per division | mm | 0.02 | ||
| Spindle motor | KW | 1.1 | ||
| Cooltant motor | KW | 0.04 | ||
| Parallelism of machined surface to base surface | mm | 300:0.004 | 300:0.002 | 300:0.004 |
| Surface roughness | μm | Ra0.32 | Ra0.16 | Ra0.32 |
| Net/Gross weight | kg | 650/750 | 650/750 | 750/850 |
| Permanent-magnetic chuck | mm | 400*150 | 400*150 | 400*200 |
| Package dimension(L*W*H) | mm | 1000*1150*1760 | 1000*1150*1760 | 1140*1250*1940 |
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.
Need Help ?
Have any questions? For answers or additional information about ourmachines, please contact us here.
HOT Products
Our best-selling machine tools are designed to meet the needs of modern manufacturing.
Complex Multi-Step Machining Vertical CNC Machining Center 1370
The VMC 1370 is an ultra-fast, high-rigidity vertical CNC machining center designed for high-efficiency processing of mid-to-large size components. With a travel range of 1300 × 700 × 700mm, rapid traverse speeds up to 20/20/15 m/min (X/Y/Z), and feed speeds reaching 8000 mm/min, the machine delivers excellent accuracy, surface finish, and shortened cycle times in diverse industries such as mold making, metal frames, auto parts, and electronics housing.
Excellent Surface Finish Vertical CNC Machining Center 1160
The VMC 1160 is a high-efficiency vertical machining center tailored for precision machining of medium-sized components. With a working travel of 1100 × 600 × 600mm, rapid traverse speeds up to 32/32/30 m/min, and feed rates of 10,000 mm/min, this machine is optimized for high-speed milling tasks across a variety of materials and industries.
High-Speed Turning Heavy-Duty CNC Lathe CK61315
The CK61315 Heavy-Duty CNC Lathe is a powerful, high-performance machine built for precision turning of large workpieces. With a swing diameter of φ1600mm over the cutting tool carriage, it can easily handle oversized components such as heavy shafts, large flanges, and cylindrical parts. The machine’s X-axis rapid traverse speed of 2500mm/min and Z-axis rapid traverse speed of 3000mm/min ensure fast tool movement and minimal downtime, maximizing productivity.
Large Swing Diameter Heavy-Duty CNC Lathe CK61200
The CK61200 Heavy-Duty CNC Lathe is designed for heavy-duty machining of large and complex workpieces. With a swing diameter over the cutting tool carriage of φ1600mm, it is capable of processing large components such as heavy shafts and flanges with high precision. The lathe’s rapid traverse speeds of 2500mm/min along the X-axis and 3000mm/min along the Z-axis significantly reduce cycle times, making it ideal for industries like aerospace, automotive, and energy. The robust construction ensures rigidity, thermal stability, and excellent performance even under high cutting forces, providing a versatile and reliable solution for demanding applications.
Precision-Oriented Moving Table Gantry Machining Center XH4022
The XH4022 Moving Table Gantry Machining Center is engineered to deliver high-precision machining in demanding applications. With an expansive travel range and robust design, it ensures reliable performance for large-scale production, including industries like automotive, aerospace, and heavy manufacturing.
Dimensional Accuracy Moving Table Gantry Machining Center XH3019
The XH3019 Moving Table Gantry Machining Center stands out with its extended travel range and dynamic cutting capability, making it an ideal solution for high-volume, multi-process machining in modern production environments. Its enhanced structural design ensures both power and precision.
Vibration Damping Moving Table Gantry Machining Center XH3022
The XH3022 Moving Table Gantry Machining Center is engineered for exceptional structural strength and workspace capacity, delivering unmatched machining performance across a wide range of heavy-duty industrial applications. Its advanced table movement design ensures precise operation even on large and complex workpieces.
Tight Tolerance Control Moving Table Gantry Machining Center XH2519
The XH2519 Moving Table Gantry Machining Center is engineered to tackle demanding machining tasks, offering superior rigidity and a large working envelope. With its precise motion control and high-speed capabilities, it excels in heavy-duty machining of complex parts across various industries.
WhatsApp(Tel):
Email:
Free Quote, Fast Response!
Fill out the inquiry form, and we will promptly provide a free, detailed quote. You can also reach us 24/7 via fax, email, or phone, or use our quick contact form to inquire about our services and projects.
Email
sales1:+1 213 865 6527 
×