GMC3520 gantry machining center is a high-precision, heavy-duty CNC milling solution engineered for large-scale industrial machining.
Featuring a rigid gantry frame structure, imported HIWIN linear guideways, and C3-class precision ballscrews, it delivers exceptional stability for heavy cutting operations.
With 3700mm X-axis travel and 8-ton worktable capacity, the GMC3520 completes milling, drilling, tapping, and boring of large molds, automotive components, and aerospace structural parts in a single setup.
If you’re comparing options across different machining processes, browse our full range of
CNC machines to find the right fit for your production goals.
Key Features of GMC3520 Gantry Machining Center
- Rigid gantry frame for superior rigidity and vibration damping
- 3700mm X-axis travel with 8-ton worktable load capacity
- Imported HIWIN linear roller guides on X/Y/Z axes for smooth, precise motion
- C3-class precision ballscrews with direct-drive transmission
- BT50 spindle taper, 6000 rpm belt-driven spindle (18.5/22 kW)
- Mitsubishi M80A CNC control system (Fanuc/Siemens/Syntec optional)
- 24-tool disc-type automatic tool changer (ATC) for fast, reliable tool switching
- Dual chip removal system: screw-type ×2 + chain-type conveyor ×1
- Nitrogen balance cylinder for Z-axis stability
- Full enclosure with metal guideway covers and safety door
- Centralized automatic lubrication and coolant system
- Work light, three-color indicator, and manual pulse generator (MPG)
Technical Specifications of GMC3520 Gantry Machining Center
| Feature | Unit | GMC2520 | GMC3020 | GMC3520 | GMC4020 |
|---|---|---|---|---|---|
| X/Y/Z Axis Travel | mm | 2700/2000/1000 | 3200/2000/1000 | 3700/2000/1000 | 4200/2000/1000 |
| Spindle Nose to Table | mm | 180-1180 | 180-1180 | 180-1180 | 180-1180 |
| Distance Between Columns | mm | 2000 | 2000 | 2000 | 2000 |
| Leadscrew Spec (X/Y/Z) | mm | 6312/5010/5010 | 8020/5010/5010 | 8020/5010/5010 | 8020/5010/5010 |
| Guideway Width / Block Qty | mm | 55/55/boxway; 8/4 | 55/55/boxway; 10/4 | 55/55/boxway; 10/4 | 55/55/boxway; 14/4 |
| Worktable Size | mm | 2500×1800 | 3000×1800 | 3500×1800 | 4000×1800 |
| T-Slot (Qty×W×P) | mm | 9-22×190 | 9-22×190 | 9-22×190 | 9-22×190 |
| Max. Loading Capacity | Ton | 5 | 6 | 8 | 9 |
| Spindle Speed | rpm | 6000 (belt) | 6000 (belt) | 6000 (belt) | 6000 (belt) |
| Spindle Motor Power | kW | 18.5/22 | 18.5/22 | 18.5/22 | 18.5/22 |
| Rapid Traverse (X/Y/Z) | m/min | 15/15/15 | 15/15/15 | 15/15/15 | 15/15/15 |
| Cutting Feed Rate | mm/min | 1-8000 | 1-8000 | 1-8000 | 1-8000 |
| Spindle Taper | – | BT50 | BT50 | BT50 | BT50 |
| Tool Magazine Capacity | pcs | 24 (disc) | 24 (disc) | 24 (disc) | 24 (disc) |
| Positioning Accuracy | mm | ±0.008 | ±0.008 | ±0.008 | ±0.008 |
| Repeat Positioning Accuracy | mm | ±0.005 | ±0.005 | ±0.005 | ±0.005 |
| Machine Weight | kg | 21000 | 23500 | 26000 | 28500 |
⚠️ Note: Specifications are subject to change without prior notice. Machines may be shown with optional equipment.
Standard Configuration of GMC3520 Gantry Machining Center
- Mitsubishi M80A CNC control system
- Belt-type spindle, 6000 rpm, BT50 taper
- 24-tool disc-type automatic tool changer (ATC)
- Screw-type chip conveyor ×2
- Chain-type chip conveyor & chip bucket ×1
- Nitrogen balance cylinder for Z-axis
- Heat exchanger for electrical cabinet
- Air gun + water gun for chip cleaning
- Automatic lubricating system
- Taiwan HIWIN 2-axis linear guideway (X/Y)
- Taiwan HIWIN ball leadscrew (X/Y/Z)
- Levelling pads, nuts and anchor bolts
- Tools and tool box included
Core Component Brands
| Component | Brand/Source | Description |
|---|---|---|
| CNC Controller | Siemens / Fanuc / Mitsubishi / Syntec | Optional mainstream controllers |
| ATC System | Taiwan tool-arm type | Reliable and stable tool changing |
| Linear Guideway | Taiwan HIWIN (ball-type) | Precise motion on X/Y/Z axes |
| Ball Leadscrew | Taiwan HIWIN | High-precision transmission |
| Spindle | Taiwan Royal / Volis / Cells | High-speed, high-rigidity spindle |
| Bearings | Japan NSK / Nachi | Imported precision bearings for long life |
| Electrical Components | Schneider (France) | CE-certified safety standard |
| Chip Conveyor | Chain-type system | Efficient automatic chip removal |
Optional Configuration for GMC3520 Gantry Machining Center
- CNC controller upgrade: Fanuc / Siemens / Syntec
- Spindle oil cooler for thermal stability
- CTS – Coolant Through Spindle (center coolant)
- Renishaw tool probe TS27R for automatic tool setting
- Renishaw workpiece probe OMP60 for in-process measurement
- ZF/BF gearbox for high-torque heavy cutting
- Gear head or manual/auto angle head for multi-angle machining
- Chain-type ATC (higher capacity)
- Heidenhain linear scales for closed-loop precision
- Air conditioner for electrical cabinet
- 4th axis rotary table + tailstock + hydraulic station
- 5th axis rotary table + hydraulic station for complex contours
- Five Axis High Speed Head for complex surface machining
- DEX Taiwan disc-type tool changer
Why Choose GMC3520 Gantry Machining Center?
- Large Travel & Heavy Load: 3700mm X-axis travel, worktable load capacity 8 tons for super-large workpieces
- High-Rigidity Gantry Structure: Rigid frame design ensures stability under heavy cutting without deformation
- High Precision Guaranteed: Laser interferometer tested before shipment: positioning ±0.008mm, repeatability ±0.005mm
- Imported Core Components: HIWIN guideways/screws, NSK/Nachi bearings, Schneider electrics for long life and low failure rate
- Smart Expansion Ready: Supports Renishaw probing, CTS coolant, angle heads, 5-axis head for flexible production lines
- CE Certified Safety: Full compliance with European safety standards, Schneider electrical components
Applications of GMC3520 Gantry Machining Center
The GMC3520 gantry machining center is engineered for high-precision, high-efficiency machining of large and complex workpieces, including:
- ✅ Large mold manufacturing: injection molds, die-casting molds, stamping dies, plastic molds, rubber molds
- ✅ Automotive components: engine blocks, transmission housings, body panels, chassis structures, new energy battery trays
- ✅ Aerospace structural parts: frames, beams, ribs in aluminum/titanium/composite materials
- ✅ Energy equipment: wind turbine hubs, nuclear valve bodies, hydro guide vanes, PV bracket molds, energy storage boxes
- ✅ General machinery: large housings, bases, brackets, flanges
- ✅ Rail transit, shipbuilding, engineering machinery: large structural component precision machining
For teams evaluating machining strategies for large structural components, industry resources like
SME (Society of Manufacturing Engineers) offer practical guides on gantry milling best practices and process optimization.
If your project involves similar large-scale components, explore our
gantry machining center series or learn how we approach
large-part CNC solutions across industries.
Custom Solutions & WhatsApp Support
Need a customized GMC3520 configuration, optional accessories, or a detailed quotation?
Our engineering team can help you select the right gantry machining center for your production requirements.
