Precision Machines
For Real Production
Stable, reliable, and efficient Die-Sinking EDM equipment designed for high-hardness materials, complex structures, and continuous 24/7 operation.
500
mm³/min Graphite
400
mm³/min Copper
Ra<0.1
Mirror Finish
24/7
Stable Operation
Die-Sinking EDM Series
Standard Series
Versatile workhorse for general mold manufacturing and precision components. Ideal for workshops requiring reliable daily production.
- Work Tank: 500×350×350 mm
- Max Electrode Weight: 50 kg
- 18.5" LCD Touchscreen
- Auto Machining Mode
Heavy-Duty Series
Built for large molds and aerospace components. Maximum power output for deep cavities and high-hardness materials (HRC 50-62).
- Work Tank: 800×600×500 mm
- Max Electrode Weight: 200 kg
- Enhanced Cooling System
- Continuous 24/7 Operation
Precision Series
Optimized for medical components and micro-precision parts. Achieves mirror finish (Ra<0.1) with exceptional surface quality.
- Work Tank: 400×300×300 mm
- Ultra-Fine Discharge Control
- Mirror Finish Capability
- Micro-Part Machining
Core Engineering Features
Mirror Finish
Achieves Ra<0.1 surface quality for precision molds and medical components requiring exceptional finish.
High Efficiency
Graphite: 500 mm³/min. Copper: 400 mm³/min. Rapid material removal rates for production environments.
24/7 Stability
Consistent accuracy during continuous operation. Accurate discharge control reduces abnormal downtime.
Smart Control
18.5" LCD touchscreen with intuitive interface. Auto-machining mode reduces training costs significantly.
Technical Comparison
| Specification | Standard | Heavy-Duty | Precision |
|---|---|---|---|
| Work Tank (mm) | 500×350×350 | 800×600×500 | 400×300×300 |
| Max Electrode Weight (kg) | 50 | 200 | 30 |
| Max Machining Current (A) | 60 | 80 | 40 |
| Surface Finish | Ra 0.2 | Ra 0.2 | Ra <0.1 |
| Graphite Efficiency (mm³/min) | 500 | 500 | 350 |
| Copper Efficiency (mm³/min) | 400 | 400 | 300 |
| Control System | 18.5" LCD | 18.5" LCD | 18.5" LCD |
| Typical Application | General Molds | Aerospace | Medical |
Industries We Serve
Mold Manufacturing
Solving complex structural challenges for deep cavities and high-hardness molds (HRC 50-62).
- Precision Connectors
- Automotive Components
- Consumer Electronics
Aerospace
High-reliability machining for heat-resistant superalloys and intricate turbine components.
- Turbine Blades
- Engine Components
- Structural Parts
Medical Components
Exacting standards for biocompatible materials and microscopic surgical tools.
- Surgical Instruments
- Implants & Prosthetics
- Micro-Precision Parts
Why Choose DONGYI
We don't just sell machines--we deliver long-term stable machining capability, predictable results, and controllable total cost of ownership (TCO).
Machining Accuracy
Mirror finish capability (Ra<0.1) meets high-surface-quality requirements for precision molds and medical components.
Production Efficiency
Graphite: 500 mm³/min. Copper: 400 mm³/min. Rapid material removal for real production environments.
24/7 Stability
Consistent accuracy during continuous operation. Accurate discharge control reduces abnormal downtime risks.
Controllable TCO
Lower long-term operating costs with standardized technical support and predictable maintenance schedules.
Optimized
Ready for Predictable Results?
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Contact Information