GMC40250FMD Gantry Machining Center - High Precision CNC from China Suppliers and Factory
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, offering fixed quality of moving parts, unlimited workpiece load capacity, and a compact floor footprint.
Combined with a variety of milling heads and accessories, it expands machining versatility, significantly enhancing multi-face and multi-process efficiency.
Enables alternating machining across multiple working stations and synchronized processing of oversized components with seamless mode switching.
Standard Configuration
- CNC controller
- Spindle gear box
- X-axis double reading head light linear scales
- Step type chip conveyor + Elevating chain and flight conveyor
Optional 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 | X₁: 20000 | X₂: 20000 |
| Y-axis travel | mm | Y₁: 5500 | Y₂: 5500 |
| Z-axis travel | mm | Z₁: 1500 | Z₂: 1500 |
| 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. load capacity | T/m² | 15 | |
| T-Slot | mm | 36 | |
| Spindle taper | -- | BT50 | |
| Max. spindle speed | rpm | 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 | |
| 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 structural advantages does the GMC40250fmd Double Gantry Machining Center offer?
The machine features a fixed-beam gantry frame with a stationary worktable. Dual parallel gantry frames move independently along the X-axis with their own Y/Z axes, spindle systems, and separate CNC controls. Safety interlock switches maintain safe clearance between both gantries.
What types of machining operations can be performed?
It handles multi-process operations including milling, boring, drilling, reaming, tapping, threading, and spot-facing. It can also be fitted with automatic right-angle milling heads, universal angle heads, and extension heads for comprehensive multi-surface machining in a single setup.
Which industries benefit most from this equipment?
The machine is widely applied in heavy engineering machinery, rolling stock, mining equipment, energy and nuclear power, turbines, shipbuilding, automotive, military, packaging, printing, textiles, and large-scale mold manufacturing.
What are the key standard and optional configurations available?
Standard configurations include CNC controller, spindle gear box, X-axis double reading head light linear scales, and dual chip conveyor systems. Optional features include Siemens 828D controller, coolant through spindle (CTS), Germany ZF or Italy BF gearboxes, and automatic right-angle heads.
What are the table dimensions and maximum load capacity?
The stationary worktable measures 25,000 × 4,000 mm, accommodating a massive load capacity of up to 15 T/m² with dual X-axis travel of 20,000 mm each.
Why choose a moving-column (tool-moving) gantry structure?
A tool-moving design ensures consistent mass of moving parts regardless of workpiece size or weight, delivers high rigidity, saves plant floor space, and allows alternating multi-station machining for high-efficiency mass production.






