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DD703-400CNC
EDM Hole Drilling Machine
A fully CNC-controlled small-hole EDM drill with AC servo drives and a 12-inch industrial touchscreen. Delivers clean, burr-free holes from φ0.3 to 3.0 mm with nanosecond PWM precision and penetration detection — built for complex mold and production drilling.
High-Speed Precision Hole Drilling
A high-speed small-hole EDM drilling machine engineered for precision hole machining from φ0.3 to 3.0mm — ideal for mold cooling channels, wire thread holes and production drilling.
V3-CNC Control System
Advanced CNC control with AC servo drives for precision multi-axis interpolation. A 12-inch industrial touchscreen provides intuitive programming and real-time monitoring.
AC Servo Drive System
High-torque AC servo motors on X/Y/Z deliver smooth, closed-loop positioning with micron-level accuracy for demanding hole drilling.
PWM Nanosecond Modulation
Nanosecond-level pulse modulation provides exceptional surface finish and fine-hole capability with outstanding electrode wear control.
One-Click & Auto Knife Lift
Fully automated one-touch drilling cycle with automatic knife lift for chip clearing and programmable depth control — minimal operator attention.
36A High-Power Processing
36 A peak current with high-pressure dielectric delivery drives deep, small-diameter holes through hardened tool steels and superalloys.
Auto Voltage Regulation
Intelligent multi-level voltage matching with real-time adjustment optimizes spark energy for consistent performance across materials.
12″ Industrial Touchscreen
High-resolution 12-inch touch interface with CNC software for part programming, parameter storage and production monitoring.
Penetration Detection
Closed-loop breakthrough sensing confirms through-hole completion and protects electrodes for reliable, unattended runs.
DD703-400CNC Full Specifications
Machine specifications verified per the Miyang 2026 Product Catalog. Standard configuration shown; contact us for customization.
| Specification | DD703-400CNC |
|---|---|
| X/Y Stroke (mm) | 400 × 300 |
| Machining Aperture (mm) | φ0.3 – 3.0 |
| Max Workpiece Load (kg) | 300 |
| Spindle Servo Stroke (mm) | 390 |
| 2nd Stroke Z2 (mm) | 300 |
| Max Workpiece Height (mm) | 300 |
| Max Spindle Speed (rpm) | 1,200 |
| Max Output Power (kW) | 4.8 |
| Max Processing Current (A) | 36 |
| Max Operating Pressure (MPa) | 8 |
| Guide Rail Type | Linear Rail |
| Machine Body Material | Steel Structure |
| Control System | V3-CNC |
| Lead Screw | Ball Lead Screw |
| Drive Motor | AC Servo Motor |
| Rotary Head | Tungsten Steel Rotary Pump |
| Water Pump | Ceramic Plunger |
| Machine Weight (kg) | 750 |
Built for High-Speed Precision Drilling
V3-CNC Control & 12″ Touchscreen
Precision CNC control with a clear 12-inch touch interface for intuitive programming and real-time production monitoring.
AC Servo Drive
Closed-loop AC servo positioning on X/Y/Z delivers smooth, accurate and repeatable drilling across the full work area.
PWM Nanosecond Modulation
Nanosecond pulse control gives fine-hole capability, superior surface finish and longer electrode life.
One-Click & Auto Knife Lift
Automated cycle with chip clearing keeps drilling continuous and reduces operator involvement.
36A High-Pressure Processing
36 A peak current drives deep small-diameter holes through hard steels and superalloys.
Penetration & Auto Detection
Closed-loop breakthrough sensing and auto-detection protect electrodes and confirm hole completion.
Where the DD703-400CNC Excels
Mold Cooling Channels
Deep, precise cooling-line holes in injection and die-cast molds for uniform thermal control and faster cycles.
Wire Thread Holes
Accurate start holes for wire-cut EDM — clean entry with minimal taper, ready for instant threading.
Hydraulic & Pneumatic Valves
Precise orifice, spool and port holes in hardened valve bodies and hydraulic components.
Nozzles & Micro-Orifices
Repeatable small-diameter holes in nozzles, filters and precision micro components.
Aerospace & Turbine
Cooling and bleed holes drilled in superalloys, turbine blades and high-temperature components.
Fasteners & Inserts
Quick, burr-free clearance holes for screws, inserts and pins in hardened tool steel.
Ready to Get Started?
Tell us about your drilling application and our engineers will recommend the right setup — including custom electrode and fixturing options — to get you cutting faster.
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