China Gantry Machining Center GMC40250FMD - Top Suppliers & Reliable Factory Solutions
Product Performance
The GMC40250fmd Double Gantry Moving Column Gantry Machining Center is one of the gantry machining center series products independently developed by our company.
The basic structure of this machine tool is a fixed-beam gantry frame with a stationary worktable. The gantry frame moves to complete the X-axis feed. Two gantry frames are arranged in the same direction along the X-axis (with the two gantries oriented in parallel), each equipped with independent Y/Z axes and spindle systems, controlled by two separate CNC systems. This allows for independent control of the two gantry frames. Safety interlock switches are installed between the two gantry frames to strictly control the minimum distance between them, ensuring safe and reliable operation.
The Y/Z axes on both gantry frames operate as follows: the sliding carriage moves laterally along the heavy-duty linear roller guide rail on the beam to complete the Y-axis feed; the ram moves vertically along the guide rail on the sliding carriage to complete the Z-axis feed. Under the control of their respective CNC systems, each can independently achieve three-axis three-linkage motion. The moving column CNC gantry milling machine with a moving gantry frame is a typical tool-moving machine tool, featuring advantages such as consistent moving component mass, relatively large workpiece weight, and a small floor space, making it a mainstream structural form for large machine tools.
The main characteristics of this machine tool are its super-large gantry frame, excellent rigidity, strong vibration absorption capacity, large machining range, good stability, and superior dynamic performance. The machine is capable of various machining functions, including milling, boring, drilling (drilling, reaming, tapping), threading, and spot-facing. It can be equipped with fully automatic right-angle milling heads, extension heads, universal angle heads, and other attachments, effectively expanding the machining range of the machine tool. Multiple hole systems and surfaces on a part can be machined in a single setup.
The structure and technology of this product are mature, and its quality is stable. It is suitable for various mechanical processing fields such as automotive, shipbuilding, printing, packaging, textiles, military, and mold manufacturing. The machine features high efficiency, high precision, and high rigidity, making it an ideal choice for high-efficiency, mass production of parts in enterprises.
- It is the preferred processing equipment for engineering machinery, rolling stock, mining equipment, turbines, ships, military, nuclear power, large-scale environmental protection equipment and other industrial sectors.
- The gantry-moving CNC gantry machine belongs to the typical tool-moving machine, which has the advantages of fixed quality of moving parts, relatively unlimited weight of the workpiece, small footprint, etc, and it is the mainstream structural form of large-scale machine.
- Combined with a variety of cannons and accessories, it can expand the machining range and improve the machining efficiency, realising multi-face and multi-process machining.
- It can realise the alternating machining of multiple working stations, and at the same time, it can also realise the synchronous and efficient machining of oversized workpieces, and achieve the arbitrary switching of multiple machining modes.
Standard Configuration
- CNC controller
- Spindle gear box
- X-axis double reading head light linear scales
- Step type chip conveyor+Elevating chain and flight conveyor
Option Configuration
- Siemens 828D CNC controller
- Coolant through spindle
- Germany ZF gear box/Italy BF gear box
- Automatic right angle milling head
Specifications
| Main specifications | Unit | GMC40250fmd | |
|---|---|---|---|
| X-axis travel | mm | X₁20000 | X₂20000 |
| Y-axis travel | mm | Y₁5500 | Y₂5500 |
| Z-axis travel | mm | Z₁1500 | Z₂1500 |
| Distance from spindle nose to table surface | mm | 250-1750 | |
| Effective passing width of gantry | mm | 5100 | |
| Max.distance between two gantries | mm | 25600 | |
| Worktable size | mm | 25000×4000 | |
| Max.distance between two gantries | T/m² | 15 | |
| T-Slot | mm | 36 | |
| Spindle taper | -- | BT50 | |
| Max.spindle speed | pm | 3000 | |
| Main motor power | KW | 37/45 | |
| Torque of spindle | N.m | 1570/1915 | |
| Ram cross section | mm | 500×500 | |
| Rapid feed speed(X/Y/Z) | mm/min | 8000/8000/8000 | |
| Cutting feed speed(X/Y/Z) | mm/min | 1-6000/1-6000/1-6000 | |
| Positioning accuracy(X/Y/Z) | mm | (0.011/1000)/0.05/0.022 | |
| Repeat positioning accuracy(X/Y/Z) | mm | (0.008/1000)/0.05/0.022 | |
| Total power capacity | KVA | 200 | |
| Machine weight | kg | 240000 | |
| Overall dimensions | mm | 35000×9200×7200 | |
Factory Tour
Exhibition

EMO

Shanghai

Beijing
End User Use Scene
Frequently Asked Questions (FAQ)
What are the primary applications of the GMC40250fmd Machining Center?
This machine is highly suitable for heavy industrial sectors such as automotive, shipbuilding, printing, packaging, textiles, military, mold manufacturing, rolling stock, mining, turbines, and large-scale environmental protection equipment.
How do the double gantry frames operate?
The machine features two gantry frames arranged in the same direction along the X-axis. Each gantry frame operates with independent Y/Z axes and spindle systems, controlled by separate CNC systems for independent or alternating machining. Safety interlock switches prevent collisions between them.
What are the benefits of the moving column (gantry-moving) design?
This design keeps the worktable stationary while the tool/gantry moves. This ensures a consistent moving component mass, allows for virtually unlimited workpiece weight, and requires a significantly smaller floor space compared to table-moving machines.
What machining operations can the GMC40250fmd perform?
It can perform a wide variety of machining tasks, including milling, boring, drilling, reaming, tapping, threading, and spot-facing. Optional attachments like right-angle milling heads further expand its capabilities.
Can the machine handle multi-face machining in a single setup?
Yes. By equipping the machine with optional attachments such as fully automatic right-angle milling heads, extension heads, or universal angle heads, you can machine multiple hole systems and surfaces in a single setup, improving efficiency.






