Coordinate Grinding Machine for Precision Small-Batch Machining – FS31i-MB Entry-Level CNC Grinder
If you're looking for a Coordinate Grinding Machine that delivers high precision, low-cost entry, and flexibility for small-batch CNC applications, This compact grinder is designed for toolrooms, mold makers, and R&D departments needing accurate, repeatable performance with a footprint that suits smaller operations.
Compact Powerhouse – The FS31i-MB for Small-Batch Precision Work
The FS31i-MB delivers serious precision in a compact body. With a worktable size of 700×320mm and a travel capacity of 600mm (X-axis) × 300mm (Y-axis), it's ideal for fine-detail grinding and high-frequency operations. The table supports a 300kg maximum load, making it suitable for die inserts, precision parts, and custom fixtures.
This machine supports:
♦ Precision grinding machine surface applications
♦ Micro-tolerance feature finishing
♦ Multi-pass grinding cycles for specialty components
♦ It's an excellent solution for facilities with limited space but high standards.
FS31i-MB Technical Specifications at a Glance
| Feature | Specification |
|---|---|
| Worktable Size | 700×320 mm |
| Worktable Travel | 600 mm (X), 300 mm (Y) |
| T-Slot Size | 3 slots, 10×75 mm T-shape |
| Max Load | 300 kg |
| W-axis Travel | 300 mm up/down |
| Spindle Rotation Speed | 0.25–300 min⁻¹ |
| Reciprocating Stroke Range | 0.05–100 mm |
| Radial Infeed | 10 mm |
| Shaft Vertical Movement | 120 mm |
| Grinding Head (Low-Speed Motor) | 9000–45000 min⁻¹ |
| Grinding Head (High-Speed Motor) | 18000–90000 min⁻¹ |
▲ Built for precision grinding machine applications, this model balances affordability with high-frequency motor options and versatile vertical movement.
A Proven Exporter to Global Markets
With 15 years of CNC grinder production, our machines are trusted by global clients in:
United States: Tooling and aerospace maintenance shops
Vietnam & Thailand: Injection mold manufacturers and small-parts suppliers
Turkey & Russia: Custom CNC job shops and machine part factories
We support OEM/ODM customization, so our clients get machines that match their process requirements without unnecessary cost.
🔧 Designed for Value, Built for Performance
1. Low Investment, High Precision
Ideal for buyers seeking a cost-effective entry-level grinding machine, the FS31i-MB delivers consistent surface finishes with minimal operator input.
2. Compact Yet Capable
Small footprint, but no compromise on function-its grinder grinder machine class specs ensure high RPM flexibility, robust table load, and multi-axis motion.
3. Fully Supported After-Sales
We offer
1-year warranty
Emergency response
Lifetime maintenance
Technology upgrade support
Need to add advanced controls later? We can retrofit and upgrade components as your business grows.
⚙️ Built for Mold Shops, Tool Rooms & Precision Parts Makers
The FS31i-MB is a great fit for:
Mold cavity polishing and surface finishing
Precision hole grinding
Die insert fitting and fine-feature finishing
Custom grinding profiles for electronic, medical, and aviation components
Its high-speed grinding head makes it suitable for delicate materials requiring fine-tuned rotational control.
📦 Packaging & Logistics
Export-ready crate packaging
Standard documentation included: test report, CE declaration, operation manual
Sea freight is supported globally
Delivery lead time: ~30–45 days based on order
We're a trusted CNC grinding machine manufacturer with a full-service export team ready to support international compliance and customs requirements.
🛠️ Frequently Asked Questions (FAQ)
Q1: Who is this model ideal for?
A: It's perfect for factories needing surface grinding of small, precise parts, especially those with limited workshop space.
Q2: Can I request custom specs like travel distance or spindle speed?
A: Absolutely. We support OEM and ODM builds tailored to your workflow.
Q3: What makes this machine different from a general-purpose grinder?
A: It offers coordinate grinding precision with both low-speed and high-speed head configurations, enabling more control for fine work.
Q4: Do you supply spare parts and upgrades?
A: Yes. Spare parts are stocked, and we offer technical upgrade packages to enhance grinding performance over time.
Q5: Is training included?
A: We offer remote training, manuals, and optional on-site setup depending on the order size and location.
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