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Email: engineer@mncnc.com
250mm X Travel · 350mm Y Travel · 50–350mm Distance to Worktable
The DS703 is an economic high-speed EDM drilling machine designed for deep and precise hole machining in conductive metals. With a drilling speed of 30–60 mm/min, this model supports φ0.3–3.0 mm electrodes, making it ideal for aerospace, die manufacturing, and component repair.
DS703 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Drills precision deep holes quickly and accurately
- ● Compatible with a wide range of electrode diameters (φ0.3–3.0 mm)
- ● Ideal for hardened metals and high-strength alloys
- ● Digital X/Y axis position display for enhanced control
- ● Low-cost operation and easy maintenance
- ● Optional upgrades available for auto electrode changer and rotary table
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Recommended Configurations
- ● Automatic Electrode Changer: Reduces manual intervention for high-volume operations, improving automation and efficiency by enabling quick electrode changes.
- ● Rotary Table: Enables radial drilling on cylindrical parts, enhancing the ability to process complex geometries with greater accuracy.
- ● Water Filtering System: Keeps dielectric fluid clean to improve hole quality, ensuring consistent machining performance and extending fluid life.
- ● Precision Clamp Kit: Secures small workpieces during deep-hole operations, preventing movement and ensuring high precision in tight, intricate drilling tasks.
- ● Safety Enclosure: Enhances operator protection during continuous drilling, reducing exposure to moving parts and flying debris while maintaining a safe work environment.
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Broken Tool Removal Function
- ● Client: Aerospace Maintenance Division – South Korea
- ● Use Case: Precision cooling hole drilling on turbine blades (Inconel alloy)
- ● Setup: DS703 with φ0.5 mm copper electrode, filtered deionized water system
- ● Results: Hole diameter tolerance: ±0.01 mm Surface finish Ra: ≤ 2.5 μm Electrode consumption per 100 holes: ≤ 5% Client feedback: “Ideal for high-speed, small-diameter precision holes in hard metals.”
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Product Specifications
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Frequently Asked Questions
Minnuo’s EDM drilling machines are perfect for hard materials and components like aerospace turbine blades, mold cooling holes, nozzles, ejector pins, and fuel injectors, requiring fine and deep hole drilling.
EDM drilling can process hardened steel, stainless steel, titanium, carbide, copper, aluminum, and nickel-based alloys, regardless of material hardness.
Minnuo’s EDM drills can produce holes from Ø0.3 mm to Ø6.0 mm, with depth-to-diameter ratios exceeding 300:1, achieving high aspect ratio deep holes efficiently.
Absolutely! Just send us the hole diameter, depth, material, and production volume, and Minnuo’s engineers will recommend the most suitable EDM drilling machine model within 10 minutes.
Yes! We offer customizations for maximum machining depth, machine table size, dielectric system configuration, automatic electrode changers (AEC), and CNC or manual control systems.
Minnuo EDM drills use servo-controlled feed systems, high-frequency pulse power supplies, real-time monitoring systems, and undergo sample testing and calibration before delivery.
Standard models can be delivered within 20–30 working days. Customized or special configurations usually require 30–45 working days.
Minnuo provides a one-year warranty, 24/7 technical support, free online training, remote troubleshooting, and lifetime spare parts service.
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