Core Industry
Mold Manufacturing
Solving complex structural challenges for deep cavities and high-hardness molds.
- Precision Connectors
- Automotive Parts
- Consumer Electronics
Industrial Grade Reliability
Best Choice
Sink EDM
Machine
We specialize in Die-Sinking EDM machines for real production environments. Experience predictable machining results, mirror finishes, and a controllable total cost of ownership (TCO).
24/7 Stable Operation
Mirror Finish Capability
Max Efficiency
500 mm³/min
Surface Finish
Mirror Ra<0.1
TCO Optimized
Why Choose DONGYI
Core Engineering Advantages
Designed for deep cavities, high-hardness materials (HRC 50-62), and complex structures where CNC falls short.
Mirror Finish
Achieves mirror capability and high-surface quality essential for precision mold manufacturing.
Ra < 0.1μm
High Efficiency
Graphite: 500 mm³/min
Copper: 400 mm³/min
Rapid removal rates.
Industry Leading
24/7 Stability
Consistent accuracy during continuous operation. Accurate discharge control reduces downtime risks.
Production Ready
Intelligent Control
18.5" LCD touchscreen with smartphone-like logic. Auto-machining modes reduce training costs.
Easy Operation
Applications
Industries We Serve
High Precision
Aerospace
High-reliability machining for heat-resistant superalloys and intricate turbine components.
- Turbine Blades
- Engine Components
- Structural Parts
Medical Grade
Medical Components
Exacting standards for biocompatible materials and microscopic surgical tools.
- Surgical Instruments
- Implants
- Diagnostic Equipment
Technical Excellence
Built for Real Production
Our Die-Sinking EDM machines are systematically designed around machining stability, success rate, and delivery reliability. Suitable for materials with HRC 50-62 hardness.
Long-Term Stable Operation
Supports 24-hour continuous machining with repeatable and predictable results.
Controlled TCO
Lower long-term operating costs with standardized technical support system.
Reduced Labor Dependency
Automated machining functions improve delivery reliability and reduce training costs.
Key Specifications
Machining Efficiency (Graphite)
500 mm³/min
Machining Efficiency (Copper)
400 mm³/min
Surface Finish
Ra < 0.1μm
Material Hardness
HRC 50-62
Control System
18.5" LCD
Operation Mode
24/7 Continuous
Mirror Finish Capability
Meets high-surface-quality requirements for precision mold manufacturing
Global Trust
Trusted by Industry Leaders
500+
Machines Installed
30+
Countries Served
15+
Years Experience
What Customers Purchase
In the international market, we adhere to one core principle: What customers truly purchase is not just a machine, but long-term stable machining capability, predictable machining results, and a controllable total cost of ownership (TCO).
Ready for Predictable Results?
Get a TCO analysis and custom equipment solution today. Our team will help you optimize your production process.
What We Offer
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EDM Equipment
Die-Sinking EDM machines for precision manufacturing
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Mold Machining Services
Professional mold processing and finishing services
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Integrated Solutions
Automation solutions and system integration services
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Technical Support
Standardized technical support and training