Looking for a high-performance solution for drilling large-format metal plates? The CNC gantry drilling machine from DUOMI CNC is purpose-built for high-precision drilling, tapping, and countersinking of thick steel, stainless steel, and alloy plates. With its rigid gantry structure and advanced servo technology, this machine delivers fast cycle times, micron-level accuracy, and unmatched stability — even during long production runs.
Model: DNC-1226N20
CNC Gantry Drilling Machine for Large-Scale Metal Plate Processing
☑ The machine features a machining stroke of X1600mm x Y2600mm x Z200mm.
☑ Hole Size Range: M3 – M16.
☑ Spindle Speed: 1,000 – 6,000 RPM.
☑ Positioning Accuracy: ±0.02mm.
☑ Material Thickness: 1~20mm.
☑ Cooling System: Oil mist / Coolant.
☑ Material Support: 304/316L stainless steel, Copper, Aluminum, duplex stainless, titanium.
☑ 24/7 Reliability: Built for continuous operation in mass production lines.
👉 Contact us now for a demo, catalog, or factory-direct pricing.
Whether you’re manufacturing steel structures, pressure vessels, industrial platforms, or energy equipment, the DUOMI CNC gantry drilling machine is the ideal solution to boost productivity and ensure perfect hole alignment across all materials.
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Machine type
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DNC-1226N20
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XYZ three-axis machining stroke0
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X1600mm Y2600mm Z200mm
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Spindle speed
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500~6000rpm(Can be selected according to demand)
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Spindle taper hole
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BT30
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Spindle power
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5.5KW
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X axis moving speed
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30m/min~60m/min
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Y axis moving speed
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30m/min~60m/min
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Z axis moving speed
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15m/min~30m/min
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Borehole diameter range
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1~16mm
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Tapping diameter range
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M3~M16
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Chamfer diameter range
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1~20mm
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Tool magazine
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Automatic tool change for row of knives (20 knives)
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Repeated positioning accuracy
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±0.03mm
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Transmission servo motor power
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X-axis dual drive 1.5(kw)*2 sets Y-axis 1.5(kw)*2 sets Z-axis 1.2(kw) with brake*2 sets
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Programming mode
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CAD file import/computer programming/manual programming
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System program storage capacity
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About 10,000
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System external signal control
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support
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Operating voltage
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AC 380V/50HZ
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Machine weight
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Approx. 3600KG
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Floor space
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2000*3800*2800mm
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Key Features & Benefits
✅ Large Worktable Design: Easily handles plates up to 1600mm × 2600mm
✅ Heavy-Duty Drilling: Suitable for carbon steel, stainless steel, aluminum alloys
✅ Servo-Controlled Spindle: High torque, fast RPM (up to 6000), stable precision
✅ Multi-Function Support: Drilling, tapping, chamfering—all in one setup
✅ ±0.01mm Positioning Accuracy: Meet demanding tolerance requirements
✅ Automatic Tool Change (Optional): Minimize manual handling, boost efficiency
✅ CNC Interface: Siemens, FANUC, or DUOMI proprietary system available
Global Market Reach
DUOMI CNC has delivered its CNC gantry drilling machines to over 35 countries, trusted by clients in heavy industry, energy infrastructure, shipbuilding, wind power, and metal fabrication sectors.
Customer Testimonial – Germany
“Our workshop processes 20mm thick stainless plates for wind turbine bases. Since installing the DUOMI CNC gantry drilling machine, hole quality has been flawless, and we’ve cut our setup time in half.”
— Stefan B., Production Engineer, Hamburg SteelTech GmbH
Applications
Steel base plates & foundation structures
Wind power flanges
Industrial support brackets
Heavy-duty machine parts
Ship hull sections and deck plates
Heat exchanger base drilling
Contact Us for a Demo or Quotation
Whether you’re drilling flanges, thick plates, or structural base panels, the CNC gantry drilling machine from DUOMI CNC is built to take your fabrication capabilities to the next level.
✔️ Free Sample Testing
✔️ Fast Global Delivery
✔️ Custom Machine Configuration
✔️ Expert Engineering Support
📧 Email: service@xdmcnc.com
🌐 Website: domicncdrillingmachines.com
📱 WhatsApp: Instant Global Support Available
DUOMI CNC — Your Trusted CNC Gantry Drilling Machine Manufacturer
Built for Heavy Work. Engineered for Precision. Trusted Worldwide.
Adopt CNC machining center numerical control system, which ensures high precision, excellent stability, and efficient operation. This system enhances automation capabilities, providing precise control over complex machining tasks for optimal performance and reliability.
servo drive doublespindle, one spindle for drilling, one spindle for tapping, seamlessly integrated to perform both processes in a single clamping. This design ensures high efficiency, precision, and time-saving operations, making it ideal for complex machining requirements.
reinforce and thicken the machine base, temper stress relief, and perform high-precision large-scale cnc machining three times to ensure accuracy and stability. This robust design minimizes deformation, enhances durability, and provides a solid foundation for precise machining operations.
brand guide screw, manually shoveled to ensure precise installation and alignment, guaranteeing the accuracy and long-term performance of the machine. This meticulous process enhances stability and reliability during high-precision operations.
each shaft of the machine is equipped with an automatic lubrication system to extend the service life of the transmission parts and reduce the maintenance difficulty for workers. This system ensures continuous optimal performance by reducing friction, preventing wear, and minimizing downtime, ultimately lowering maintenance costs and improving operational efficiency.
universal t-slot table, with customized tooling options tailored to different products. Tooling can be easily replaced when changing products, offering versatile compatibility. Suitable for a variety of products, or you can choose the slide table option—only one can be selected, depending on the specific needs of the production line. This flexibility ensures efficient adaptability and optimized performance for diverse manufacturing requirements.
slidetable, equipped with pneumatic tooling that moves according to product length, eliminating the need for re-adjustment of accuracy. This feature streamlines operations, reducing setup time and ensuring consistent precision. Alternatively, you can choose the t-slot table, but only one option can be selected, depending on the specific production requirements.
A new CNC drilling machine refers to a modern, computer-controlled drilling system designed to precisely and efficiently create holes in various materials—such as metal, plastic, or composites—based on programmable instructions (G-code). No programming experience is required — easy to operate for any user.
CNC drilling and tapping machines dramatically improve production speed and accuracy. With automated positioning and programmable settings, these machines eliminate human error, reduce material waste, and ensure uniform hole depth and thread quality. Compared to manual methods, they deliver consistent, high-precision results across high-volume operations.
Whether you’re manufacturing aluminum furniture, stainless steel components, automotive parts, or kitchen fixtures, CNC drilling and tapping machines offer unmatched versatility. Their ability to process a wide range of materials—including steel, aluminum, and alloys—makes them ideal for industries requiring rapid and repeatable drilling and threading operations.
Modern CNC drill-tap machines are designed with low maintenance, compact footprints, and intuitive interfaces. This reduces labor costs, minimizes downtime, and allows even semi-skilled operators to achieve professional-grade output. The investment pays off quickly through improved productivity, reduced rework, and long-term operational savings.
This machine is suitable for CNC drilling, tapping, and chamfering in the production and processing of all-aluminum furniture, stainless steel furniture, office furniture, bathroom and kitchen equipment, and aluminum doors and windows.
Duomi CNC drilling and tapping machines outperform traditional bench drills by automating the entire process. Operators no longer need to manually adjust drilling positions or depth. With programmable multi-axis control, Duomi machines complete complex operations in seconds—boosting productivity by up to 3x compared to manual bench drilling.
Compared to large, expensive conventional CNC machines, Duomi CNC drill-tap systems offer a smaller footprint, lower investment cost, and intuitive controls. Operators can be trained quickly, maintenance is minimal, and the machines are tailored to real-world workshop needs. It’s the smarter choice for factories seeking high ROI with flexible, high-speed drilling solutions.
Duomi CNC drilling and tapping machines operate significantly faster than EDM (Electrical Discharge Machining) systems. While EDM requires slow, controlled erosion to remove material, Duomi’s mechanical drilling and tapping complete holes and threads in seconds—making them ideal for mass production and high-efficiency factories.
As a direct manufacturer, Duomi eliminates the middleman markup, providing factory-direct pricing and faster logistics. Our efficient export process ensures timely shipment to Asia, Europe, the Americas, and beyond—backed by responsive after-sales service and technical support worldwide.
Duomi offers exceptional after-sales service with 24/7 technical support. Our expert team is available to assist with installation, programming, troubleshooting, and machine maintenance. Whether you need guidance remotely or onsite, our dedicated service ensures your CNC drilling and tapping machines operate smoothly, minimizing downtime and maximizing productivity.
Interested in learning more? Contact us now to find out how our machines can improve your manufacturing process.
