4-Axis CNC Drilling Machine for Automotive Components
Industrial-grade multi-angle precision drilling engineered for automotive manufacturing, featuring Mitsubishi absolute servo control and automated laser probing.
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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.
Automotive Batch Productivity: Engineered for high-volume automotive shafts, brackets, and tubular components.
Rigid Repeatable Positioning: Precision ball screws and servo drives achieve ±0.02mm positioning repeatability.
In-Depth Engineering Description & Technical Overview
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Overview: High-Precision Automotive Component Drilling
The DUOMI DNC-630DS-R 4-Axis CNC Drilling Machine for Automotive Components is an advanced manufacturing solution optimized for high-volume, complex automotive parts fabrication. Built with a heavy-duty stress-relieved casting frame, this machine combines a 360° continuous rotary A-axis with multi-axis absolute servo control to deliver consistent ±0.02 mm positioning accuracy.
Designed to meet stringent ISO 9001 and CE quality standards, this 4-axis CNC drilling platform handles multi-angle hole patterns across ferrous and non-ferrous alloys, dramatically reducing cycle times and manual setup errors in tier-1 automotive supply chains.
Key Features & Engineering Excellence
1. Mitsubishi Servo Spindle & Drive Architecture
- Spindle System: Driven by a Mitsubishi servo motor with an ER20 collet chuck system, delivering stable torque output across 0–3000 RPM (variable speed control).
- Absolute Encoder Axis Drive: All four axes (X/Y/Z/A) incorporate 0.75 kW Mitsubishi absolute servo motors, eliminating the need for homing operations and improving overall production uptime.
- Rapid Traverse: Rapid movements of 10 m/min to 30 m/min significantly reduce non-cutting positioning times.
2. Ultra-High Precision 4-Axis Rotary Platform
- A-Axis 360° Capability: Full 360-degree rotary positioning enables multi-angle hole processing on round, cylindrical, and complex geometry workpieces in a single clamping cycle.
- Guide Rail Tolerance: Features rail parallelism ≤ 0.01 mm/1000 mm and flatness ≤ 0.02 mm/1000 mm for rigid long-term operational stability.
3. Integrated Laser Probe & Automated Quality Assurance
- Workpiece Alignment: Automatic optical laser probing identifies feature coordinates and compensates for material location variances prior to machining.
- Reduced Scrap: Minimizes operator alignment errors, ensuring repetitive hole accuracy within ±0.02 mm.
4. Automated Lubrication & Oil Cooling
- Continuous, timed quantitative lubrication feeds directly to linear guides, ball screws, and spindle bearings to control thermal expansion and prevent premature component wear.
Technical Advantages for Industrial Procurement
- High Production Throughput: Rapid traverse speed up to 30 m/min reduces cycle times by up to 35% compared to conventional 3-axis drilling setups.
- Rigid Frame Stability: 600 kg cast iron machine structure dampens operational vibration during high-speed feed operations.
- Versatile Material Handling: Capable of high-speed drilling (Ø1.0 mm to Ø8.0 mm) across aluminum, steel, brass, copper, zinc, and engineered iron castings.
- Programmable Flexibility: Stores up to 10,000 machining programs with flexible computer CAD/CAM upload or manual panel programming via the intuitive Mitsubishi CNC interface.
Industrial Applications
- Automotive Components: Engine bracket hole patterns, transmission housing oil galleries, sensor mounting blocks, fuel rail connections, and steering system components.
- Fluid Equipment & Turbomachinery: Impellers, pump housings, valve bodies, and manifolds requiring multi-angle radial drilling.
- General Precision Engineering: Flanges, double round steel tubes, and complex structural hardware.
Explore our Dual-Spindle Drilling Machine Solutions or review our Round Tube CNC Drilling Systems for specialized tubular processing.
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-630DS-R Multi-angle 4-axis CNC drilling machine |
| Workbench size | X-axis 400 (mm), Y-axis 300 (mm) |
| Effective processing stroke | X -axis 300 (mm), Y-axis 300(mm), Z-axis 200(mm), A-axis 360 degrees ( including automatic detection stroke) |
| Product clamping height | ≤ 250 (mm) |
| Guide rail parallelism | ≤ 0.01mm/1000mm |
| Guide rail flatness | ≤ 0.02mm/1000mm |
| Positioning accuracy | 0.02 /1000 (mm) |
| Repeat positioning accuracy | 0.02/1000(mm) |
| Backlash (before radium body compensation) | 0.02mm |
| Spindle power | 2.4 (KW) |
| Spindle speed | 0-3000 (rpm) (speed adjustable) |
| Drilling diameter | 1-8 (mm) |
| Chuck clamping diameter | 30-130 (mm) |
| Transmission servo motor power | X-axis / Y-axis / Z-axis / A-axis: 0.75 (kw) |
| Rapid movement | X-axis, Y-axis and Z-axis 10m/min - 30m/min |
| Spindle taper | ER20 |
| Voltage | AC220V |
| Number of stored programs in the system | about 10,000 |
| Programming method | both computer and manual programming can be used |
| Machine weight | about 600 KG |
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 and repeatability tolerances does this 4-axis CNC drilling machine achieve?
What range of hole sizes and component dimensions can be processed?
How does the integrated laser probe system enhance productivity for automotive parts?
Which materials are compatible with this multi-angle drilling machine?
What programming options are available on the Mitsubishi CNC control system?
Are customized machine configurations, colors, or OEM specifications supported?
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