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400×250mm Table · 250kg Capacity · 1030×520×320mm Tank
The D7125 is a compact and versatile 3-axis CNC EDM die sinking machine designed for high-accuracy cavity processing in conductive materials. With a 400×250mm worktable and a generous 1030×520×320mm work tank, it can accommodate medium-scale workpieces up to 250kg. The machine features a Japan Sanyo servo motor for precise Z-axis CNC control, while the X and Y axes are driven by high-quality ball screws for stable motion.
3-axis CNC EDM Die Sinking Machine D7125
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● CNC-controlled Z-axis with Japan Sanyo servo motor ensures fine depth control.
- ● Precision-ground ball screws on X/Y axes enhance movement stability and repeatability.
- ● Automatic multi-stage machining (roughing to finishing) improves efficiency.
- ● Intelligent discharge control reduces arcing and enhances electrode life.
- ● Rigid cast-iron structure ensures thermal and vibration stability during prolonged use..
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Recommended Configurations
- ● Electrode chuck system: Allows quick and precise electrode mounting and replacement.
- ● 3D edge-finder probe: Speeds up part alignment and edge zeroing for cavity work.
- ● Oil mist collector: Keeps working area clean and prevents oil fume buildup.
- ● Auto oil level controller: Maintains consistent dielectric fluid level for stable sparking.
- ● Integrated tool changer (optional):Enhances automation for multi-electrode jobs.
- ● Graphite-compatible flushing filter: Ensures clean cutting with carbon electrodes.
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Application Case
- ● Client: Precision Mold Workshop – Vietnam.
- ● Use Case: EDM cavity finishing on hardened steel mold cores with fine detail and stepped profiles.
- ● Setup: D7125 with 3D edge finder, high-quality graphite electrodes, and dielectric oil temperature control system.
- ● Results: Cavity tolerance: ≤ ±0.008 mm,Surface finish (Ra): ≤ 1.3 μm ,Single setup runtime: 4–5 hours per mold,Client feedback: “The D7125 allows our team to perform fine cavity work with high consistency—it’s our go-to machine for small mold batches.”
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Product Specifications
| Specifications | Unit | D7125 | D7132 | D7140 | D7145 | D7150 | D7160 |
|---|---|---|---|---|---|---|---|
| Worktable size(L*H) | mm | 400*250 | 500*320 | 650*400 | 720*450 | 800*500 | 1000*600 |
| Work tank dimension(L*W*H) | mm | 1030*520*320 | 1030*560*320 | 1350*630*410 | 1400*710*410 | 1450*780*500 | 1680*850*580 |
| X axis travel | mm | 250 | 320 | 400 | 450 | 500 | 600 |
| Y axis travel | mm | 150 | 250 | 300 | 350 | 400 | 450 |
| Z axis travel | mm | 240 | 240+240 | 250+250 | 250+250 | 250+300 | 250+350 |
| Distance between electrode&worktable | mm | 400 | 550 | 650 | 680 | 700 | 800 |
| Max.workpiece weight | kg | 250 | 550 | 750 | 800 | 800 | 1000 |
| Max.electrode weight | kg | 50 | 60 | 70 | 80 | 100 | 150 |
| Machine weight | kg | 1100 | 1200 | 1800 | 2000 | 2200 | 3000 |
| Dimension(L*W*H) | mm | 1100*1200*2040 | 1100*1400*2120 | 1500*1500*2250 | 1600*1500*2300 | 1700*1600*2400 | |
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Frequently Asked Questions
Minnuo’s EDM die sinking machines are ideal for precision molds, complex cavities, deep ribs, thin walls, small holes, and high-hardness material parts, such as injection molds, die-casting molds, and turbine blade slots.
Our machines can process hardened steel, tungsten carbide, titanium, copper, graphite, and alloy materials, regardless of material hardness.
Minnuo EDM die sinking machines achieve dimensional accuracy within ±0.005–0.01 mm, and surface roughness down to Ra 0.2–0.8 μm, depending on electrode material and cutting parameters.
Absolutely! Send us your mold cavity dimensions, material, depth, and surface requirements, and we’ll recommend the most suitable EDM die sinking machine model within 10 minutes.
Yes! We offer customization including tank size, electrode holder system (manual or CNC automatic), maximum working current, power supply type (fine finish or rough machining), and Z-axis stroke.
We use high-rigidity casting bases, servo-controlled Z-axis, intelligent power supply systems, and perform trial machining tests with full inspection before delivery.
Standard models are 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, remote training, fault diagnostics assistance, and long-term spare parts support.
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