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Travel: 765mm · Table Size: 305×635mm · Cross Travel: 340mm
The SGA-3063AHD is a heavy-duty saddle moving surface grinder with an extended 305×635mm table and 765mm longitudinal travel, built for large-format flat grinding applications. Designed for use in mold processing, die maintenance, aerospace tooling, and machine part rework, it ensures stable accuracy, excellent surface finish, and high repeatability.
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Why Choose Our CNC Solutions
Key Features
- ● Extra-Wide 635mm Table with Strong Saddle Design: Accommodates wider and heavier workpieces while ensuring motion rigidity, providing stability during grinding operations.
- ● Three-Axis Semi-Automatic Feed (X/Y/Z): Enables programmable grinding cycles for multiple passes and step grinding, improving efficiency and precision during repetitive tasks.
- ● Extended Longitudinal Travel (765mm): Suits large tool blocks and long components with minimal repositioning, offering versatility for larger parts and reducing setup time.
- ● High-Precision Spindle Assembly: Maintains low runout and delivers mirror-quality finishes on hardened surfaces, ensuring top-notch surface finishes in precision grinding.
- ● Robust Frame & Splash Guarding: Built for continuous use in high-precision production or repair settings, providing durability and protecting the machine from coolant splashes and debris.
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Recommended Configurations
- ● Spindle System: High-Precision Spindle, Spindle Motor and Cooling System
- ● Feed and Worktable System: Ball Screws, Linear Guideways, Magnetic or Mechanical Clamping System
- ● Grinding Wheel and Grinding Head System: Grinding Wheel Adjustment Device, Manual Dressing Tool
- ● Safety and Lubrication System: Protective Covers, Safety Doors and Emergency Stop Button, Automatic Lubrication System and Lubricant Oil Filtration Device
- ● Other: Grinding Wheel Dressing Tools and Workpiece Fixtures, Human-Machine Interface (HMI)
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Application Case
- ● Client: Die & Mold Manufacturer (India)
- ● Workpiece: 280×600×40mm tool steel baseplate (HRC 60)
- ● Setup: SGA-3063AHD with fine pole chuck + DRO + auto downfeed
- ● Results: Flatness deviation: ≤ 5 μm across full surface Surface finish: Ra ≤ 0.18 μm Grinding time per plate: ~9–11 min Rework rate dropped by 40% after switching from manual grinder High operator satisfaction due to ease of repeatable settings
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Product Specifications
| Specification | Unit | SG-2050H/AH | SGA-2550AH | SGA-3063AH | SGA-30100AH | SGA-4080AH | SGA-40100AH | |
|---|---|---|---|---|---|---|---|---|
| SG-2050AHR | SGA-2550AHR | SGA-3063AHR | SGA-30100AHR | SGA-4080AHR | SGA-40100AHR | |||
| SG-2050AHD | SGA-2550AHD | SGA-3063AHD | SGA-30100AHD | SGA-4080AHD | SGA-40100AHD | |||
| Table size(w×L) | mm | 200×460 | 250×500 | 305×635 | 305×1020 | 406×813 | 406×1020 | |
| Max.longitudinal travel | mm | 510 | 560 | 765 | 1130 | 910 | 1130 | |
| Cross travel | mm | 238 | 275 | 340 | 340 | 450 | 450 | |
| Max.distance from spindle center to table | mm | 450 | 450 | 560 | 560 | 560 | 560 | |
| Magnetic chuck size | mm | 200×460 | 250×500 | 300×600 | 300×1000 | 400×800 | 400×1000 | |
| Speed of table longitudinal movement | m/min | 7~23 | ||||||
| Table transversemovement | Auto feed | mm/min | 0.1~8 | |||||
| Rapid speed | mm/min | 990 | ||||||
| Feed of handwheel | mm/div. | 0.02 | ||||||
| Wheelhead vertical movement | Auto feed | mm/stroke | ——(AH/AHR mode)0.005/0.01/0.02/0.03/0.04/0.05(Only for AHD model) | |||||
| Rapid speed | mm/min | (AH mode)460(Only for AHR/AHD model) | ||||||
| Feed of handwheel | mm/div. | 0.005 | ||||||
| Grinding wheel | Speed | rpm | 2850(50Hz)、3450(60Hz) | 1450(50Hz)、1750(60Hz) | ||||
| Size(OD×W×ID) | mm | 200×20×31.75 | 350×40×127 | |||||
| Spindle Motor | kW | 1.5 | 2.2 | 5.5 | ||||
| Hydranlic motor | kW | 1.5 | 0.75 | 2.2 | ||||
| Cooling pump motor | kW | 0.04 | 0.125 | |||||
| Elevating motor | kW | —(AH mode)0.25(AHR mode)0.5(AHD mode,servo motor) | ||||||
| Cross feed motor | kW | 0.08 | ||||||
| Max.loading capacity of table(include magnetic chuck) | kg | 120 | 180 | 270 | 400 | 500 | 600 | |
| Total rated power | kW | 3 | 3.7 | 9 | ||||
| Height of machine | mm | 1675 | 1890 | |||||
| Floor space(L×W) | mm | 1700×1200 | 2300×1650 | 2900×2200 | 4400×2200 | 3600×2400 | 4400×2400 | |
| Gross weight | kg | 1200 | 1800 | 2600 | 3300 | 3300 | 3700 | |
| Package dimensions(L×W×H) | mm | 1900×1720×2175 | 2000×2100×2175 | 2350×2220×2150 | 2950×2220×2210 | 2850×2270×2180 | 2950×2270×2210 | |
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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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