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Help CenterSuper CNC EDM Drilling Machine for Aerospace Turbine Blade Cooling Hole Drilling
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Suzhou Excellence Intelligent Technology Co., LTD, established in 2013, is a professional trading company with a factory size of 3,000-5,000 square meters and an annual export value of US$5-10 million. We proudly present our Super CNC EDM Drilling Machine, specifically engineered for aerospace turbine blade cooling hole drilling. This machine combines advanced EDM technology with high-precision CNC control, delivering exceptional accuracy, speed, and reliability for the most demanding applications. With ISO 9001 certification and a global market presence across North America, South America, Europe, and Asia, we are your trusted partner for critical drilling solutions.
Product Overview
This CNC EDM drilling machine utilizes electrical discharge machining (EDM) to create precise cooling holes in turbine blades made of superalloys, titanium, and other high-temperature materials. Its robust design and intelligent control system ensure consistent hole quality, minimal recast layer, and long electrode life. The machine is ideal for aerospace manufacturers who demand superior hole geometry, repeatability, and productivity.
Key Features & Benefits
- High-Speed Drilling: Advanced pulse generator and high-frequency servo control enable drilling speeds up to 300 holes per minute for small diameters.
- Sub-micron Accuracy: Linear scales and closed-loop feedback provide positioning accuracy of ±0.005mm and hole roundness of ±0.003mm.
- Smart Electrode Management: Automatic electrode changer (optional) can hold up to 12 electrodes, allowing unattended operation for multiple hole sizes.
- User-Friendly Interface: 15-inch touchscreen with intuitive software supports G-code programming and offline simulation.
- Robust Construction: Heavy-duty cast iron base and granite column ensure vibration damping and thermal stability for long-term precision.
- Cooling & Filtration System: High-flow dielectric oil cooling system with multi-stage filtration extends electrode life and improves surface finish.
Technical Specifications
| Parameter | Specification |
| X/Y/Z Travel | 500/400/350 mm |
| Max. Workpiece Weight | 300 kg |
| Drilling Diameter Range | 0.1 – 3.0 mm |
| Max. Drilling Depth | 200 mm (in nickel alloy) |
| Positioning Accuracy | ±0.005 mm |
| Surface Roughness (Ra) | ≤ 0.8 μm |
| Dielectric Fluid | Erosion oil (ISO VG 2-5) |
| Power Supply | 3-phase 380V, 50/60 Hz |
Customer Benefits
- Reduce Production Time: Fast drilling cycles and automated electrode changes cut machining time by up to 40% compared to conventional EDM.
- Improve Blade Performance: Consistent cooling hole shape and angle enhance turbine efficiency and reduce hot spots.
- Lower Operating Costs: Minimal electrode wear and low maintenance design reduce consumable expenses.
- Easy Integration: Compatible with existing CAM software and flexible automation (robotic load/unload optional).
Why Choose Suzhou Excellence?
With over 10 years of experience, Suzhou Excellence Intelligent Technology Co., LTD has delivered EDM solutions to customers in North America, Europe, Southeast Asia, and the Middle East. Our factory spans 3,000-5,000 square meters, and we maintain an annual export value of US$5-10 million. Each machine undergoes rigorous quality control and is backed by ISO 9001 certification. We also offer comprehensive after-sales support, including installation, training, and remote troubleshooting. Our commitment to excellence ensures that your investment yields maximum productivity and reliability.
Contact us today to discuss your turbine blade drilling requirements. Our engineers can provide custom solutions, including electrode designs and process optimization, to meet your specific hole geometries and production goals. Choose Suzhou Excellence – your partner in precision EDM drilling.
Frequently Asked Questions
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Q: What materials can this machine drill?
A: It is designed for nickel-based superalloys (e.g., Inconel, Hastelloy), titanium alloys, stainless steel, and other conductive materials commonly used in turbine blades. -
Q: What is the minimum hole diameter achievable?
A: The standard range is 0.1 mm to 3.0 mm. Smaller diameters may be possible with special electrode geometry and settings – please inquire for specifics. -
Q: Does the machine support multi-axis drilling for angled holes?
A: Yes, the C-axis (optional rotary axis) allows drilling holes at various angles, including compound angles, ideal for complex blade cooling patterns. -
Q: What is the typical electrode life for drilling Inconel 718?
A: Using a copper electrode with optimized parameters, you can expect 500-800 holes per electrode (for 0.5mm diameter, 20mm depth). Actual life depends on hole geometry and process settings. -
Q: Can I use this machine for other EDM drilling applications besides turbine blades?
A: Absolutely. It is also suitable for fuel injection nozzles, mold cooling holes, and micro-hole drilling in medical devices. The flexibility of the CNC system makes it adaptable. -
Q: What after-sales support do you provide?
A: We offer on-site installation and training, remote technical support via video call, and a one-year warranty on all machine components. Spare parts are available globally. -
Q: How long is the lead time for delivery?
A: Typical lead time is 45-60 days after order confirmation, depending on customization. We ship from ports in Shanghai, Ningbo, Shenzhen, and Qingdao. -
Q: Does the machine comply with international safety standards?
A: Yes, our machines are designed with CE safety features (optional) and meet ISO 9001 quality management standards. Full documentation is provided.
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