Electrical Discharge Machining Services

At RAM Tool, we are proud of our ability to handle multiple projects simultaneously, ensuring that we can meet deadlines and exceed your expectations. With a team of highly-qualified operators who have decades of experience with advanced equipment like our EDM Sinkers and Mitsubishi Wire EDM, we have the knowledge and resources to tackle any job, big or small. Our Electrical Discharge Machining department, which has been a part of our company since 2000, specializes in precision CNC machining services. We take pride in our state-of-the-art equipment and the expertise of our team, which allow us to deliver top-quality machining services and results on time and on budget. 


What are Electrical Discharge Machining (EDM) Services?

Electrical Discharge Machining (EDM) services involve the use of controlled electrical sparks to remove material from a workpiece, resulting in highly precise and intricate parts. EDM is a popular technique for shaping difficult-to-machine materials, such as hardened steel, carbide, or conductive composites. EDM services are valuable when:

  • Working with hard materials. EDM services excel at machining materials that are difficult to process using conventional methods. The process is ideal for handling materials with high hardness or strength.
  • Creating complex shapes. EDM is well-suited for producing intricate geometries and designs, as it does not rely on mechanical cutting forces. The process can generate intricate cavities, narrow slots, or sharp internal corners with ease.
  • High accuracy and surface finish. EDM services offer exceptional accuracy and surface finish, making them ideal for applications where tight tolerances and high-quality surfaces are required.
  • Minimal mechanical stress. Since EDM is a non-contact machining process, it minimizes the mechanical stress on the workpiece, reducing the risk of distortion or damage to delicate parts.
  • Low volume production. EDM services can accommodate low-volume production runs efficiently, allowing manufacturers to deliver custom or limited-edition parts without a significant increase in cost.

Electrical Discharge Machining Services Grafton, WI

Our EDM Machinery

EDM Sinker

QtyMakeAMPTravel CapacityTank Size
1 Mitsubishi EX30 100 27.6" x 19.7" x 13.8" 50.4" x 33.5" x 17.7"
1 Mitsubishi EA30 200 27.6" x 19.7" x 13.8" 50.4" x 33.5" x 17.7"

EDM Wire

QtyMakeModelTravel CapacityTank Size
1 Mitsubishi FA20S 19.7" x 13.77" x 11.8" 41.3" x 31.5" x 11.6"
1 Mitsubishi FX20K 19.7" x 13.77" x 11.8" 41.3" x 31.5" x 11.6"

Small Hole Driller

QtyMakeTravel CapacityDia.
1 Current EDM 58" x 28" x 28" .004"-.256"

Benefits and Advantages of EDM Services

High precision

EDM can produce parts with very tight tolerances, making it ideal for precise and intricate parts.

Material versatility

EDM can be used on a wide range of materials, including hardened steel, titanium, and even exotic alloys.

No mechanical stress

EDM does not produce any mechanical stress on the workpiece, making it ideal for fragile or brittle materials.

No tool wear

EDM does not require the use of cutting tools, meaning there is no tool wear and no need for tool changes during the machining process.

Complex shapes

EDM can produce complex shapes and geometries that may not be possible with traditional machining methods.

High speed

EDM can be a very fast machining process, making it ideal for high-volume production runs.

Additional Services Offered

In addition to our laser scanning services, we also offer a range of value-added machining services to our clients. These include:

Our Industries Served

RAM Tool, Inc. is proud to offer a range of EDM department services to various industries. Our experience in the defense, construction, aerospace, automotive, mining, and oil and gas industries has allowed us to handle projects that require the utmost precision and quality.

All Industries

Contact RAM Tool
For Electrical Discharge

At RAM Tool, we take pride in being on the cutting edge of the ever-changing custom machining industry. From state-of-the-art metalworking tools to the latest technology and software, we are constantly looking for ways to improve our processes and capabilities for our customers. The diverse range of technologies employed in our facility allows us to take on even the most challenging projects and turn them into quality-built products. Our abilities in the custom machining sector allow us to fulfill virtually any customer need.

To see how precision EDM machining services from RAM Tool can serve your project or operation, please contact us today.

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Start your CNC career with RAM tool, Inc. We offer competitive pay and benefits. Work in a state-of-the-art, climate-controlled, 80,000 sq. ft. facility in Grafton, WI.

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