High-Precision Multi-Angle Four-Axis CNC Drilling Machine

Executive Summary & Engineering Overview

The DUOMI DNC-630D(R1) Four-Axis CNC Drilling Machine delivers ultimate precision for complex multi-angle drilling, tapping, and micro-hole machining. Featuring a high-speed servo spindle capable of reaching up to 60,000 RPM, this industrial system is specifically engineered to handle micro-hole diameters from 0.2 mm to 4.0 mm with extreme repeatability.

Built on a stress-relieved, heavy-duty frame equipped with Taiwan HIWIN precision linear guides, the machine eliminates operational vibration and ensures continuous dimensional stability. With full 360° A-axis rotational indexing powered by high-precision harmonic reducers, operators can process round, square, and profile-shaped tubing at any angle in a single setup.

Core Technical Features & Machine Architecture

1. High-Speed Precision Servo Spindle

• Spindle Speed Range: 1,500 to 60,000 RPM (configurable to production requirements).
• Power Output: 0.55 kW to 3.0 kW servo drive providing high torque and rapid response.
• Micro-Drilling Capability: Ideal for fine hole patterns (0.2 mm – 4.0 mm) across conductive and non-conductive materials.

2. Multi-Angle 4th-Axis Rotary System

• Full 360° Indexing: High-precision rotary shaft driven by servo motor and harmonic reducer.
• Flexible Fixturing: Clamping diameter range from 10 mm to 70 mm for round tubes, square tubes, and extruded profiles.
• Optional Dual-Station Upgrade: Supports dual rotary axes for concurrent multi-station workpiece processing.

3. Structural Rigidity & Motion Control

• Stress-Relieved Casting: Heat-treated machine base resists deformation during high-speed feed rates.
• HIWIN Linear Motion: High-rigidity linear guideways and ball screws deliver rapid motion up to 60 m/min on the X-axis and 25 m/min on Y/Z axes.
• Absolute Servo Motors: Absolute positioning eliminates home-homing steps and ensures rapid axis synchronization.

4. Advanced 4-Axis CNC Controller

• Programming Versatility: Accepts CAD file imports, offline CAM/computer programming, or direct manual G-code input.
• Capacity: Stores up to 10,000 program files for quick job turnover.
• External Signal I/O: Fully compatible with automated production lines and pneumatic loading fixtures.

Technical Quality Assurance & Calibration Standards

To ensure international compliance and reliable industrial performance, every machine undergoes strict manufacturing quality checks:

• API Laser Interferometer Testing: Every machine coordinate axis is measured and dynamically calibrated using American API laser measurement systems to guarantee positional accuracy within 0.02 mm.
• Automatic Thermal Management: Features an automatic oil cooling and centralized lubrication system, preventing thermal expansion in both spindle and linear guideways.
• Repeatability: Guaranteed repeated positioning accuracy of ±0.02mm.

Industrial Applications & Workpiece Compatibility

The DNC-630D(R1) multi-angle drilling machine is optimized for diverse manufacturing sectors: - Target Industries: Medical equipment, aerospace components, automotive fuel systems, precision electronics, structural tubing, and heat exchanger plates. - Compatible Workpiece Materials: Iron, Copper, Aluminum, Brass, Carbon Steel, Stainless Steel, Zinc, Platinum, and composite alloys.