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570×780mm Table · 450×550mm X/Y Travel · 300mm Max Cut Thickness (Z)
The DK77HZ Series is a precision medium-speed wire EDM with 5-axis CNC, a rigid T-type frame, double-tension wire system, and fast Z-axis. It uses quality components for reliable, efficient cutting.
DK77HZ Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● 5-axis CNC system for advanced contour and taper operations
- ● Double-tension wire mechanism improves edge finish and prolongs wire life
- ● High-speed Z-axis reduces vertical repositioning time and improves stepped cuts
- ● Rigid T-frame structure ensures stable performance for long-duration jobs
- ● Uses high-quality motion control electronics and auto-feed system
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Recommended Configurations
- ● Accessory: Double-Tension System Function: Stabilizes cutting wire and improves finish on complex paths.
- ● Accessory: Fast Z-Axis Drive Unit Function: Accelerates step machining and height adjustment.
- ● Accessory: 5-Axis Contour Software Function: Enables multi-angle taper and 3D relief generation.
- ● Accessory: Oil Mist Extractor Function: Maintains cleanliness and ensures optimal wire insulation.
- ● Accessory: Rotary Axis Support Function: Adds 4th-axis control for complex cylindrical or spiral cuts.
- ● Accessory: Programmable Flushing Controller Function: Enhances chip evacuation on tight profiles.
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Application Case
- ● Client: Aerospace Mold Supplier – Turkey
- ● Use Case: Cutting multi-angle graphite electrodes and titanium mold inserts
- ● Setup: DK77HZ with 5-axis motion, dual-tension wire feed, and 3D path generator
- ● Results: Complex profile deviation: ≤ ±0.009 mm Average surface finish (Ra): 1.1 μm Setup changeover time reduced by 35% with automatic Z positioning
- ● Client feedback: “The DK77HZ is a step up for complex EDM work—our parts now need little to no post-processing.”
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Product Specifications
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Frequently Asked Questions
Minnuo’s medium speed wire EDMs are ideal for precision molds, complex mechanical parts, fine stamping dies, connector components, and electronic parts requiring high dimensional accuracy and good surface finish.
Medium speed wire EDM combines the low cost of fast wire EDM with better accuracy and surface finish close to slow wire EDM, using one-time cutting plus multiple skim cuts to balance precision and efficiency.
Minnuo’s medium speed wire EDM machines achieve positioning accuracy within ±0.005 mm, surface roughness up to Ra 0.8–1.2 μm, and can support multi-pass fine cutting.
Absolutely! Send us the workpiece material, thickness, dimensional tolerance, and we’ll recommend the most suitable medium speed wire EDM model within 10 minutes.
Yes! We offer customizations like worktable size, maximum cutting thickness, wire diameter compatibility, water tank capacity, CNC controller brand, and automatic wire threading (AWT) systems.
We use high-rigidity casting structures, precision ball screw drives, high-frequency power supplies, and perform multi-cut testing and laser interferometer calibration before shipment.
Standard models are delivered within 20–30 working days. Customized models or machines with AWT systems typically require 30–45 working days.
Minnuo provides a one-year warranty, 24/7 technical support, remote training, troubleshooting assistance, and long-term spare parts availability.
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