High-Precision Dual-Spindle Aluminium Drilling & Tapping Machine
Industrial 4-Axis CNC Solution Engineered for High-Volume Tube and Extrusion Processing
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Features
4th-Axis Rotary Indexing: 360° continuous rotary axis allows multi-face drilling in a single setup without reclamping.
Multi-Angle Precision Drilling: Accurately machines radial, axial, and inclined compound hole patterns.
High-Speed Aluminum Processing: High-RPM spindle and specialized lubrication deliver clean, burr-free cuts.
Rigid Repeatable Positioning: Precision ball screws and servo drives achieve ±0.02mm positioning repeatability.
In-Depth Engineering Description & Technical Overview
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Executive Overview
The DUOMI High Precision Dual-Spindle Aluminium Drilling and Tapping Machine (Model: DNC-1003DT(R1)) is engineered for high-volume, continuous manufacturing across automotive, aerospace, structural aluminum extrusion, and precision electronics industries. Powered by an advanced 4-axis CNC control system and dual servo-driven spindles, this machine optimizes cycle times by executing simultaneous or independent drilling, tapping, and chamfering operations on aluminum, copper, brass, and structural steel profiles.
Built on a rigid, stress-relieved heavy-duty frame and verified with API USA laser interferometers, the unit delivers consistent positioning accuracy within 0.02 mm and repeatability of ±0.02mm. Whether processing round pipes, square tubing, or complex extrusion shapes, DUOMI's flexible fixture system and 360° rotary A-axis ensure maximum manufacturing versatility.
Key Engineering Features & Capabilities
1. Dual Servo-Driven Spindle Architecture
- Synchronized & Independent Operation: Dual independent spindles enable concurrent hole processing, effectively doubling production output while maintaining strict dimensional tolerances.
- Variable Speed Range: Spindle speeds from 100 to 6,000 RPM powered by 0.55 kW to 3.0 kW servo motors, tailored for optimal cutting parameters across diverse alloy tempers.
- Multi-Process Tooling: Accommodates drilling (1–16 mm), tapping (M2–M14), and chamfering (1–20 mm) using standard ER20 tool collets.
2. High-Rigidity Frame & Premium Motion Components
- Stress-Relieved Base Structure: Heavy-cast machine frame absorbs dynamic cutting forces and eliminates mechanical vibration under high-speed axis movement.
- HIWIN Precision Linear Guides & Ball Screws: Industrial-grade Taiwan HIWIN motion components guarantee smooth linear motion, high axial rigidity, and long service life under 24/7 operating cycles.
- High-Speed Axis Dynamics: Rapid traverse speeds up to 60 m/min on the X-axis and 25 m/min on the Z-axis significantly minimize non-cutting cycle times.
3. Integrated 360° Rotary Axis (A-Axis)
- Precision Angle Indexing: The rotary axis utilizes a high-precision harmonic reducer coupled with an absolute servo motor, enabling smooth continuous machining at any angle across 360 degrees.
- Versatile Tube Clamping: Clamping diameters ranging from 10 mm to 200 mm easily support round, square, and special-shaped extruded profiles via fast-change pneumatic fixtures.
4. Advanced 4-Axis CNC Control & Automated Systems
- Flexible Programming: Supports direct CAD/CAM file import, computer-aided offline programming, and manual g-code entry, backed by onboard storage for up to 10,000 program files.
- Absolute Servo Motor Control: Absolute position encoders eliminate the need for mechanical limit switches and homing cycles upon power-up, preserving baseline coordinate calibration.
- Automated Cooling & Centralized Lubrication: An integrated automatic oil cooling and forced lubrication system protects high-speed spindle bearings and linear ways, preventing thermal drift and extending tool life.
Quality Assurance & Calibration Standards
Every DUOMI CNC machine undergoes rigorous factory acceptance testing before dispatch: * Laser Interferometer Alignment: Full 3-axis volumetric accuracy and pitch-error compensation are performed using an API Laser Interferometer (USA) to verify total position errors within 0.02 mm. * Compliance Standards: Designed and manufactured in compliance with international CE safety directives and ISO 9001 quality management protocols.
Industrial Applications
- Automotive Extrusions: Subframe components, battery enclosure rails, roof rack systems, and crash beams.
- Architectural & Construction: Structural aluminum facade connectors, window frame hinges, and curtain wall extrusions.
- Aerospace & Defense: Lightweight structural brackets, conduit housings, and tubular frames.
- Industrial Machinery: Pneumatic manifold blocks, heatsinks, and modular aluminum framing assemblies.
For complementary high-efficiency tube processing solutions, explore our CNC Precision Drilling Machine for Round Tubes and Long Pipe Double Spindle CNC Drilling Machine.
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-1003DT(R1) |
| XZA three-axis machining stroke | X 800mm, Z200mm, A360° |
| Spindle speed | 100~6000rpm (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. 1100KG |
| Equipment footprint | 2500mm x 1500 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 positioning accuracy and repeatability does this dual-spindle machine offer?
How does the dual-spindle system increase production throughput?
What profile shapes and workpiece dimensions can be machined?
What are the drilling and tapping capacity specifications?
What programming modes are supported by the CNC system?
Can this machine process metals other than aluminum?
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