Manufacturers across aerospace, medical, tooling, automotive, and high-tech industries face increasing demands for tighter tolerances, complex geometries, and superior surface finishes. The Mitsubishi SG28 Sinker EDM is designed to meet these challenges, combining Mitsubishi Electric’s advanced AI technology with the powerful M800 Series control system to deliver exceptional precision, efficiency, and process reliability.

From intricate mold cavities to hardened aerospace components, the SG28 provides the flexibility and accuracy required for today’s most demanding manufacturing applications.

Built for High-Precision Industries

The Mitsubishi SG28 is an ideal solution for industries where traditional machining methods may struggle with complex shapes, deep cavities, or hardened materials.

Mold & Die Manufacturing

Sinker EDM remains a critical process in mold and die production, allowing manufacturers to create:

• Complex mold cavities
• Sharp internal corners
• Deep ribs and pockets
• Fine surface finishes
• Detailed textures and engraving

The SG28’s intelligent control technology helps mold makers reduce cycle times while maintaining exceptional dimensional accuracy.

Aerospace

Aerospace manufacturers rely on EDM technology for precision machining of difficult-to-cut materials and intricate component features. The SG28 is well-suited for:

• Turbine components
• Fuel system parts
• Tooling and fixtures
• Complex aerospace molds
• High-temperature alloy components

Its thermal compensation system helps maintain accuracy during long machining cycles often required for aerospace applications.

Medical Device Manufacturing

Medical components frequently require extremely precise features and flawless finishes. The SG28 can produce:

• Surgical instrument tooling
• Implant manufacturing molds
• Medical device components
• Precision cavities and micro-features

The machine’s advanced control capabilities support the consistency and repeatability critical to medical manufacturing.

Automotive & Motorsports

Automotive suppliers and performance manufacturers use sinker EDM for:

• Injection mold tooling
• Stamping dies
• Prototype components
• Precision fixtures
• High-performance engine and drivetrain tooling

The SG28 helps reduce lead times while maintaining the precision required for production tooling.

Electronics & High-Tech Manufacturing

For manufacturers producing connectors, semiconductor tooling, and precision electronic components, the SG28 provides the ability to create intricate features that may be impossible to machine conventionally.

Machines Materials Traditional Cutting Struggles With

Unlike conventional machining processes that remove material through cutting forces, sinker EDM removes material using controlled electrical discharges. This allows the SG28 to machine virtually any electrically conductive material, regardless of hardness.

Common materials include:

Hardened Tool Steels

• H13
• P20
• D2
• A2
• S7
• M2

These materials are commonly used in molds, dies, and tooling where wear resistance and durability are critical.

Carbide

Carbide’s extreme hardness can present challenges for conventional cutting tools. The SG28 can accurately machine:

• Tungsten carbide
• Carbide inserts
• Wear components
• Punches and dies

Aerospace Alloys

The SG28 performs exceptionally well on difficult aerospace materials such as:

• Inconel
• Hastelloy
• Waspaloy
• Titanium alloys

These materials often generate excessive tool wear during traditional machining operations.

Stainless Steels

Ideal for machining complex features in:

• 303 Stainless
• 304 Stainless
• 316 Stainless
• 17-4 PH Stainless

Copper and Graphite Electrodes

The SG28 is designed to work efficiently with both graphite and copper electrodes, giving manufacturers flexibility when selecting the best electrode material for their application.

Advanced Technology for Greater Productivity

The Mitsubishi SG28 incorporates several technologies that improve performance and efficiency:

Mitsubishi M800 Series Control

The advanced M800 control system features an intuitive interface and all-new LCD hand pendant, simplifying machine operation and setup.

SS Jump 5 Technology

SS Jump 5 optimizes jump-up and acceleration control for stable high-speed no-flush machining, helping reduce cycle times while maintaining machining stability.

Performance includes:

• 590 IPM jump speed in the Z-axis
• 1.0G acceleration
• 197 IPM in X and Y axes

Thermal Displacement Compensation

Integrated temperature sensors continuously monitor machine and environmental conditions, automatically compensating for thermal changes to maintain precision throughout the machining process.

1GB Program Storage

Large onboard storage allows operators to manage complex jobs, maintain extensive program libraries, and reduce downtime associated with transferring files.

A Smart Investment for Precision Manufacturing

Whether you’re producing aerospace tooling, medical components, injection molds, or precision dies, the Mitsubishi SG28 delivers the accuracy, efficiency, and reliability needed to stay competitive. By combining advanced AI-driven controls with proven EDM technology, the SG28 helps manufacturers reduce cycle times, improve consistency, and tackle materials that challenge conventional machining methods.