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Heavy Duty 3 Axis Gantry CNC Machining Center

  • Model: EW-GMC4020
  • Table size: 4000x2000
  • Spindle: 18.5KW
  • Controller: FANUC / SIEMENS / MITSUBISHI / SYNTEC
  • After sales service: Lifetime free online technical support,overseas service available.
  • Warranty: Standard 2-year warranty, with optional extended warranty coverage.
  • Customizable: If so, please contact us.
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Description of Double Column Machining Center

The gantry milling machine is built for machining large and heavy workpieces with high rigidity, stable accuracy, and strong cutting capability. Its robust gantry structure and spacious working area make it ideal for milling, drilling, boring, and tapping operations in industries such as mold making, automotive, aerospace, energy, and general equipment manufacturing.

Key Features of Gantry CNC milling machine

1.High-Rigidity Gantry Structure for Heavy-Duty Cutting

The machine adopts a reinforced gantry structure to deliver superior rigidity and vibration resistance, helping reduce chatter and maintain stable cutting performance when machining large or heavy workpieces.

2.Excellent Accuracy Retention During Long Production Cycles

Built with a heavy-duty machine frame and precision transmission components, the machine maintains stable positioning accuracy and repeatability even during long-hour continuous machining.

3.Wide Working Range for Large-Part Machining

The spacious machining area and long travel capacity make it easier to process oversized plates, frames, molds, and structural parts in a single setup, reducing repositioning errors and improving efficiency.

4.Stable Motion Control for Precision Milling Operations

Equipped with precision guideways, ball screws, and servo drive systems, the machine ensures smooth feed motion, accurate interpolation, and reliable contour machining performance.

Specifications

Item Unit GMC4020 GMC4026 GMC5028 GMC6030
X / Y / Z Axis Travel mm 4000 / 2200 / 1000 4000 / 2800 / 1100 5000 / 3000 / 1400 6000 / 3400 / 1400
Distance Between Columns mm 2000 2600 2800 3000
Spindle Nose to Table Surface mm 200–1200 150–1250 200–1600 250–1650
Z-Axis Feed Speed mm/min 0–5000 0–5000 0–5000 0–5000
Table Size mm 4200 × 1600 4200 × 2200 5200 × 2400 6200 × 2600
Max. Table Load kg 9000 9000 11000 12000
T-Slot (Qty. × Width × Pitch) mm 7 × 22 × 240 9 × 22 × 250 11 × 22 × 220 9 × 28 × 300
Rapid Traverse Speed m/min 12 / 12 / 12 12 / 12 / 12 12 / 12 / 12 12 / 12 / 12
Spindle Speed rpm 50–6000 50–6000 50–4000 50–4000
Spindle Taper BT50-150 BT50-190 BT50-190 BT50-190
ATC Capacity 24T / 30T
Spindle Motor Power kW 15 / 18.5 15 / 18.5 22 / 26 22 / 26
Control System FANUC / SIEMENS / MITSUBISHI / SYNTEC
Positioning Accuracy mm ±0.0075 mm/500 mm
Repeat Positioning Accuracy mm ±0.005 mm/500 mm
Air Pressure MPa 0.6–0.8
Total Power Capacity kW 25 25 30 30
Machine Weight t 39 45 54 65

Main Parts And Optional

As we are OEM/ODM factory, we can customzied the machine specifics as your requests.

Application

Applicable Material

    The gantry CNC milling machine center is suitable for heavy-duty machining of large-scale workpieces, offering exceptional rigidity, precision, and high torque. It is widely used for processing various metals, heavy alloys, and large composite materials, ensuring high accuracy and excellent surface finishes even under rigorous machining conditions.

  • Ferrous Metals: Carbon steel, Stainless steel, Cast iron, Alloy steel, Tool steel, and Forgings.

  • Non-Ferrous Metals: Aluminum, Aluminum alloy, Copper, Brass, Bronze, and Titanium alloy.

  • Composite Materials: Carbon Fiber Reinforced Polymer (CFRP), Glass Fiber Reinforced Plastic (GFRP), large Epoxy tooling boards.

  • Other Materials: Large casting molds, Resin, engineered plastics, and heavy tooling materials.

Industrial Applications

    EWEICNC gantry moving CNC machining center is especially suitable for customers who require high-precision machining of oversized parts and heavy-duty mold manufacturing. Its outstanding structural stability, immense load-bearing capacity, and large working envelope make it ideal for the following industries:

  • Mold & Die Industry: Large injection molds, stamping dies, forming molds, die bases, and mold plates.
  • Automotive Industry: Automotive molds, engine components, transmission housings, structural parts, and tooling components.
  • Aerospace Industry: Aircraft structural components, aluminum alloy parts, tooling fixtures, and precision aerospace molds.
  • Energy Industry: Wind power components, power generation equipment parts, valve bodies, pump housings, and heavy-duty machinery parts.
  • Rail Transit Industry: Large rail components, support structures, connection parts, and transportation equipment components.
  • General Machinery Manufacturing: Machine frames, equipment bases, large plates, mechanical housings, and various precision structural parts.

FAQ

Yes. Due to the massive weight and the extreme dynamic forces generated during heavy-duty cutting, a reinforced concrete foundation is strictly required. To ensure a smooth installation process, EWEICNC will provide comprehensive foundation blueprints—specifying concrete grade, thickness, and anchor bolt positioning—well in advance of the machine's delivery. Proper foundation settling is the first critical step to guaranteeing long-term geometric accuracy.
Absolutely. Our gantry machining centers are equipped with world-class CNC controllers (such as advanced Fanuc, Siemens, or Heidenhain systems). These top-tier controllers feature robust "look-ahead" algorithms, nanometer-level interpolation, and high-speed data processing capabilities. When combined with our high-rigidity structure, the machine executes complex 3D tool paths flawlessly, significantly reducing the need for manual polishing on large mold surfaces.
Yes. This machine is built for both roughing and finishing operations. Its strong structural rigidity, large load capacity, and high-torque spindle configuration allow it to handle heavy cutting on steel and cast iron, while still delivering reliable surface quality and dimensional consistency during semi-finishing and finishing.
To ensure safe ocean freight, our large bridge mills are strategically disassembled into major structural modules (the bed, columns, crossbeam, and ram) and securely packed into containers. Upon arrival at your facility, our professional engineers (or our certified local technical partners) will assist with the reassembly. We utilize advanced laser interferometers and ball-bar testing during the final on-site commissioning to restore the machine to its exact factory calibration.

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