DNC-430HD High-Precision Micro Holes CNC Drilling Machine
Ultra-precise micro drilling from 0.15mm to 4.0mm with up to 60,000 RPM high-speed water-cooled spindle and ±0.02mm repeatability.
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Features
High-Speed & High-Precision Spindle with Water Cooling: Designed for micro-hole processing with high spindle speed and μm-level spindle runout. Integrated with a water cooling cycle for long-term, high-speed operation to control spindle temperature and ensure processing stability.
Full Servo Transmission: Full servo motor transmission control delivering excellent positioning accuracy and high stability.
High Depth-to-Diameter Capability: Supports up to a Max 10:1 Depth-to-Diameter Ratio for demanding micro-deep hole operations.
Optional Automatic Tool Changer (ATC): Optional automatic tool change function to achieve one-time processing for positioning points as well as large and small holes.
Read Detailed Description
High-Precision Small Hole CNC Drilling Technology
The DNC-430HD Micro Holes CNC Drilling Machine by DUOMI CNC delivers superior micro-machining capabilities tailored for demanding industrial manufacturing. Built specifically for high-speed small hole drilling in challenging aerospace, medical device, electronics, and automotive components, this machine guarantees ultra-low spindle runout at the μm level.
Key Performance Advantages
- Sub-Millimeter Hole Precision: Process micro-hole diameters ranging from 0.15mm to 4.0mm with consistent repeatability of ±0.02mm.
- High-Speed Spindle Options: Configurable high-speed spindle reaching 3,000 to 60,000 RPM equipped with internal water-cooling to maintain thermal stability during long continuous production cycles.
- Integrated Multi-Process Efficiency: Complete micro-drilling, chamfering, tapping, and micro-milling in a single setup, eliminating frequent manual workpiece changeovers and reducing cycle times.
- Drastic Scrap Rate Reduction: Lower defect rates from typical industry averages of 8% down to 0.2%, achieving substantial material and labor savings.
- Full Servo Control & High Dynamics: X-axis traverse speed up to 60m/min and Y/Z axes at 25m/min, powered by full servo motor drive for optimal positioning accuracy.
Industrial Application Solutions & Pain Point Resolution
1. Eliminating Multi-Machine Bottlenecks
- Problem: Traditional manual drilling and tapping across separate setups leads to long cycle times and human error.
- DUOMI Solution: The DNC-430HD multi-process integration combines drilling, tapping, and milling in one clamping operation, supported by automated tool changers (ATC) and rapid 30-60m/min rapid traverses.
2. Complex & Irregular Workpiece Machining
- Problem: Irregularly shaped components requiring multi-hole angles present complex fixture alignment challenges.
- DUOMI Solution: Supports multi-axis linkage (3-axis, 4-axis, or 5-axis) and flexible CAD/CAM program imports for precise angled drilling on complex surfaces like aerospace nuts and curved plates.
3. Automated 24/7 Continuous Production
- Problem: Skilled operator shortages and rising labor costs.
- DUOMI Solution: Full integration with robotic loading/unloading systems, pneumatic press knife change tool magazines, and graphical program interfaces enables unmanned, round-the-clock light-out production.
Compatible Materials & Quality Compliance
Engineered to machine high-hardness and exotic materials, including Inconel, Hastelloy, Titanium, Tungsten, Stainless Steel, Carbide, Ceramic Vacuum Chucks, Graphene Plates, Copper, and Brass.
All DUOMI CNC machines strictly conform to international standard industrial manufacturing practices and safety compliance frameworks.
Parameters
Brochure| Model | DNC-430HD Micro holes CNC drilling machine |
| XYZ three-axis machining stroke | X400mm, Y300mm, Z120mm |
| Spindle speed | 3000~60000rpm (Can be selected according to demand) |
| Spindle taper hole | Collet reducer sleeve |
| Spindle power | 0.55~3.0KW |
| X axis moving speed | 30m~60m/min |
| Y axis moving speed | 25m/min |
| Z axis moving speed | 25m/min |
| Borehole diameter range | 0.15~4.0mm |
| Tool magazine | Pneumatic press knife change |
| Repeated positioning accuracy | ±0.02mm |
| Table size | 400mm x 280mm |
| 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 |
| Product name | CNC Drilling Machine |
| Application | Drill small holes and micro holes in metal |
| Machine weight | Approx. 500KG |
| Floor space | 850mm x 900mm x 1700mm |
Machining Samples
Real parts processed by our machines
Frequently Asked Questions
What is the minimum hole diameter the Micro Holes CNC Drilling Machine can produce?
What positioning accuracy does this micro hole drilling machine deliver?
What spindle speed options are available for the DNC-430HD?
What materials can be processed on this micro CNC drilling equipment?
How does the machine support automated or high-volume production?
Does DUOMI CNC offer OEM and custom machine options?
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