Heavy-Duty Long Pipe Double Spindle CNC Drilling Machine
High-precision 4-axis CNC drilling & tapping machine engineered for high-throughput round tube processing
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Features
4th-Axis Rotary Indexing: 360° continuous rotary axis allows multi-face drilling in a single setup without reclamping.
Pneumatic Tube Clamping: Self-centering chucks and steady rests secure round and square pipes vibration-free.
Multi-Spindle Synchronous Action: Dual or multi-spindle array multiplies hole production output per cycle.
Rigid Repeatable Positioning: Precision ball screws and servo drives achieve ±0.02mm positioning repeatability.
In-Depth Engineering Description & Technical Overview
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Industrial Overview
The DUOMI DNC-2003DT(R1) Long Pipe Double Spindle CNC Drilling Machine is an advanced 4-axis automated solution engineered specifically for high-efficiency drilling, tapping, and chamfering on round, square, and profile pipes. Featuring dual servo-driven spindles and a high-precision rotary axis, this machine drastically reduces cycle times by enabling dual-station processing or simultaneous double-head drilling across long pipe workpieces.
Built to withstand continuous industrial operation, the heavy-duty stress-relieved frame coupled with Taiwan HIWIN linear guides delivers exceptional dynamic rigidity, high-speed feed rates (up to 60m/min on the X-axis), and long-term machining accuracy.
Core Technical Advantages
1. Dual Servo-Driven Spindle Architecture
- High Efficiency Drilling: Equipped with dual independent servo spindles running at speeds up to 24,000 RPM, supporting parallel hole machining or multi-tool setups.
- Flexible Drive: Spindles operate simultaneously or independently to double throughput on long pipe batch production.
2. High-Precision 4-Axis CNC & Rotary System
- 360° Multi-Angle Indexing: Rotary shaft powered by absolute servo motors and high-precision harmonic reducers enables processing at any rotational angle with extreme angular accuracy.
- Dual Station Flexibility: Machining square, round, and custom profile tubes by simply swapping specialized pneumatic guide-rail fixtures.
3. Precision Engineering & Tolerances
- API Laser Calibration: Every unit undergoes strict volumetric error measurement and compensation using a certified API Laser Interferometer (USA) to guarantee dynamic accuracy within 0.02 mm.
- Repeatability: Delivers reliable repeated positioning accuracy within ±0.02mm.
4. Advanced Control & Automated Maintenance
- Multi-Mode Programming: Supports standard CAD file import, computer-assisted programming, and manual input on an intuitive 4-axis control interface.
- Automatic Lubrication & Cooling: Integrated central oil-cooling and automatic lubrication system prolongs tool life, reduces thermal deformation, and minimizes operational maintenance.
Industrial Applications & Material Capabilities
Designed for demanding industrial environments, the DNC-2003DT(R1) handles a broad spectrum of non-ferrous metals, structural steels, and engineering polymers:
- Target Materials: Stainless steel, structural iron, extruded aluminum alloys, copper, brass, zinc, platinum, and heavy-duty PE/PVC plastic tubing.
- Key Industries: Architectural handrail manufacturing, automotive fluid lines, HVAC heat exchangers, solar mounting structures, aerospace tubing, and fluid handling pipelines.
Explore our full range of 4-axis CNC drilling machines or contact DUOMI CNC specialists to discuss custom clamping solutions.
Purchase & Delivery Guarantees
Direct Factory Assurance — Built, Tested, and Supported from Dongguan to Your Shop Floor
Runs on Your System
Standard GSK control (100% Fanuc G-code compatible) or optional Mitsubishi/Siemens. Direct CAD file import for code-free toolpath generation.
Factory Video FAT
Live drilling/tapping tests on your actual workpiece recorded before dispatch. Final 50% balance payment is paid only after your video approval.
40-Day Build & Rugged Crate
Guaranteed maximum 40-day manufacturing cycle. Sealed in anti-rust vacuum aluminum foil and bolted in fumigation-free timber crates (EXW/FOB/CIF).
Direct Engineer Care
Direct 1-on-1 WhatsApp group with your machine's build engineers, 12-month full warranty, and critical replacement parts dispatched via DHL within 24–48h.
Every DUOMI machine is built under a transparent 13-step factory production & responsibility chain.
Parameters
Download Technical Brochure| Model | DNC-2003DT(R1) Pipe double spindle CNC drilling machine |
| XZA three-axis machining stroke | X 1800mm, Z 200mm, A 360° |
| Spindle speed | 1500~24000rpm (Can be selected according to demand) |
| Spindle taper hole | ER20 |
| Spindle power | 0.55~3.0KW |
| X axis moving speed | 30m/min~60m/min |
| Z axis moving speed | 25m/min |
| Drilling diameter range | 1~16mm |
| Tapping diameter range | M2~M14 |
| Chamfer diameter range | 1~20mm |
| Clamping diameter of rotating shaft | 10~200mm（Selection on demand） |
| Tool magazine | Manual tool change |
| Repeated positioning accuracy | ±0.02mm |
| Programming mode | CAD file import / computer programming / manual programming |
| System program storage capacity | About 10,000 |
| System external signal control | Support |
| Operating voltage | AC 220V/50HZ |
| Machine weight | Approx. 1600KG |
| Equipment Footprint | 3500mm x 1500mm x 1700mm |
Machining Samples
Real parts processed by our machines
Frequently Asked Questions
We “only” do drilling & tapping. Why do customers still choose Duomi over general-purpose CNC machines?
What does “Your part defines the solution” mean in practice?
What is the repeated positioning accuracy of the DNC-2003DT(R1) CNC drilling machine?
Can both spindles operate independently on different tasks?
What tube sizes and shapes can be clamped and drilled?
Which programming methods are supported by the control system?
What materials can this long pipe double spindle CNC machine process?
What is the standard lead time and customization capability?
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