Fixed Beam CNC Gantry Milling Machine
Product Details
The GFA-2025V uses a fixed gantry frame with a moving worktable. The main castings are designed with reinforced rib structures and produced from high-strength cast iron, followed by heat treatment to reduce residual stress. This structure keeps the worktable and gantry relationship stable during machining and is suitable for parts that require a relatively large working envelope without moving the gantry itself. As a fixed beam cnc gantry milling machine, it uses linear roller guideways on the X and Y axes and four linear guideways on the Z axis. The spindle head is supported by a four-guideway structure, while the embedded electric spindle has an independent oil-cooling unit to limit heat transfer to the ram.
The three axes are driven by precision ball screws with servo motors and direct-connected reducers. A nitrogen-cylinder balancing system is used on the Z axis to offset the vertical load caused by the ram's weight, reducing unnecessary ball-screw load and wear.
The machine is controlled by FANUC 0i-MF PLUS 1A and provides simultaneous control of up to four axes. The system supports functions including rigid tapping, drilling cycles, circular and helical interpolation, tool compensation, pitch error compensation, Ethernet data transfer and DNC online machining.
Product Parameters
|
Item |
Specification |
|
Model |
GFA-2025V |
|
Machine Type |
Fixed Beam, Moving Table Gantry Machining Center |
|
CNC System |
FANUC 0i-MF PLUS 1A |
|
Worktable Size |
1700 × 2500 mm |
|
Maximum Workpiece Load |
12 t |
|
T-Slot Width × Pitch |
28 × 160 mm |
|
Distance Between Columns |
2000 mm |
|
Spindle Nose to Table |
200–1200 mm |
|
X / Y / Z Axis Travel |
2700 / 2200 / 1000 mm |
|
X / Y / Z Rapid Traverse |
10 / 10 / 10 m/min |
|
Cutting Feed Rate |
1–6000 mm/min |
|
Spindle Drive |
Direct-Connected Electric Spindle |
|
Spindle Taper |
HSK-A63 |
|
Spindle Speed |
20–15,000 rpm |
|
Spindle Power |
28–31 kW |
|
Spindle Torque |
148.6 / 164.5 N·m (Rated / Maximum) |
|
X-Axis Guideway |
2 × 55 Heavy-Duty Roller Linear Guideways |
|
Y-Axis Guideway |
2 × 55 Heavy-Duty Roller Linear Guideways |
|
Z-Axis Guideway |
4 × 55 Heavy-Duty Roller Linear Guideways |
|
X / Y / Z Ball Screws |
6320 / 5010 / 5010 |
|
X / Y / Z Positioning Accuracy |
0.020 / 0.018 / 0.012 mm |
|
X / Y / Z Repeatability |
0.018 / 0.015 / 0.010 mm |
|
Installed Power Requirement |
70 kVA |
|
Required Air Pressure |
0.6–0.8 MPa |
|
Approx. Floor Space |
7 × 4 × 5 m |
Specifications are based on the GFA-2025V technical contract. Final configuration is subject to the signed technical agreement.
Product Features
Fixed Gantry with Moving Worktable
The machine keeps the gantry frame fixed while the worktable moves along the X axis. This arrangement separates the large structural frame from table movement and provides a straightforward layout for loading and machining large components.
Four-Guideway Ram Structure
The ram uses four linear guideways. The longer guide support helps maintain guidance when the ram extends during machining, which is useful when the tool position moves away from the spindle head.
Direct-Connected Electric Spindle
The electric spindle is integrated into the ram structure and equipped with an independent oil-cooling system. The cooling circuit removes heat generated around the spindle and helps reduce thermal transfer to the ram.
Centralized Automatic Lubrication
The guideways, ball screws, gearbox and other moving components use a centralized automatic lubrication system. The system provides timed and measured lubrication, with protection against low oil level and pressure loss.
Integrated Chip Removal
Spiral chip conveyors on both sides of the machine transfer chips toward the front chain-type conveyor, which then moves the chips into a collection cart.
Product Advantages
The GFA-2025V is configured for operations where workpiece size, weight and machining variety need to be considered together. Its 12-ton table capacity provides a practical loading range for heavy components, while the 2700 mm X-axis travel and 2200 mm Y-axis travel give the machine room to handle comparatively large parts.
The machining process can include milling, boring, drilling, rigid tapping, reaming and countersinking, allowing several operations to be completed without repeatedly transferring the workpiece between different machines.
For buyers comparing a fixed beam cnc gantry milling machine with other gantry structures, the GFA-2025V offers a fixed gantry and moving-table configuration rather than a traveling gantry. This makes the machine layout easier to match with production lines where the gantry position is intended to remain fixed.
The standard machine also includes automatic lubrication, spindle oil cooling, workpiece cooling, chip removal, full sheet-metal guarding, lighting, alarm functions and emergency stop protection.
Customization Options
The GFA-2025V can be configured according to the customer's workpiece and workshop requirements. Available configuration items include:
Foundation configuration: standard foundation or sunken foundation
Spindle configuration: direct-connected electric spindle options
CNC system: FANUC 0i-MF PLUS 1A as the specified configuration
Workholding: customized fixture solutions according to workpiece geometry
Machining process: configuration matching for milling, boring, drilling and tapping operations
Machine installation: foundation drawings and installation guidance according to the selected installation method
Workshop conditions: power, compressed air and installation requirements can be reviewed before production
For non-standard requirements, the final machine configuration can be confirmed according to the workpiece dimensions, weight, machining process and required accuracy before order confirmation. The technical contract also allows additional customer-selected configurations to be added after consultation with the manufacturer.
Product Applications
The GFA-2025V is suitable for machining parts that require a combination of milling, drilling, boring and tapping operations.
Typical applications include:
General Machinery: machine bases, structural components and mechanical parts
Construction Machinery: large frames, brackets and heavy structural components
Automotive Manufacturing: automotive structural and powertrain-related components
Power & Energy Equipment: equipment housings and structural parts
Mold Manufacturing: large mold bases and mold components
Civil Aviation: aircraft structural components and related machined parts
Shipbuilding: marine structural components and equipment parts
Rail Transportation: large structural and mechanical components
These application areas are consistent with the product's specified machining capabilities and the technical contract's stated application fields.
FAQ
1. What type of machine is the GFA-2025V?
The GFA-2025V is a fixed-gantry, moving-table three-axis CNC machining center. The X axis moves the worktable, while the Y and Z axes control the spindle head movement.
2. What is the maximum workpiece weight?
The worktable is rated for a maximum load of 12 tons.
3. What spindle does the GFA-2025V use?
This model uses a direct-connected electric spindle with an HSK-A63 tool interface. The specified spindle speed range is 20–15,000 rpm, with 28–31 kW power.
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