EDM stands out as the optimal selection when your product requires intricate designs featuring distinct contours, precise angles, or stringent tolerances. Additionally, when parts are made from hardened, electrically conductive materials that accelerate tool wear in traditional CNC processes, EDM machining services provide a highly effective alternative.
EDM is a cutting-edge manufacturing process that uses precisely controlled electrical discharges to remove material from a workpiece. By oppositely charging the electrode and material, precision EDM machining produces highly accurate, repeatable results for complex geometries.
Complementing its CNC capabilities, The Technology House (TTH) integrates in-house CNC EDM technology, including:
Both wire and die-sinking EDM focus on producing EDM machined parts with complex shapes and tight tolerances. Wire EDM uses a continuously fed wire electrode, while die-sinking EDM relies on custom graphite electrodes. Hole-drilling EDM creates precise, deep отверстия using a rotating electrode tube.
We use EDM to support clients in industries such as:
EDM excels at machining difficult-to-cut materials that are challenging for conventional methods, including:
Because EDM is a non-contact process, it minimizes tool wear while maintaining consistent precision.
Every EDM machine in our facility is selected for accuracy and efficiency. Our equipment includes GF Machining AgieCharmilles models and advanced Makino systems, delivering exceptional surface finishes with minimal recast layers and wire capabilities down to 0.1 mm (0.004 inches).
Wire and die-sinking EDM remove excess material with extreme accuracy, while micro-hole drilling uses high-pressure flushing and controlled electrode descent for precise results.
At TTH, highly trained professionals apply industry best practices to every EDM project. Two experienced engineers oversee each electric discharge machining operation, ensuring real-time quality control.
Our quality processes include hard gauging and optical comparers. With decades of experience producing high-precision components, TTH partners closely with customers from concept through production to ensure complete satisfaction.
I’ve been working with TTH for 20+ years. That spans 2 employers for me. In the case of both employers, I was just one of several of my colleagues that trusted TTH for prototype and production parts. I think that alone speaks volumes. I don’t know anyone that returns to a vendor that lets them down, and when you keep coming back after 20 years, it tells a pretty compelling story.
TTH has always lived up to its name by staying on the leading edge of technology. They were the first to introduce me to SLS parts a couple of decades ago allowing me to perform functional tests with printed parts which enabled us to shorten time to market. Relatively recently, they introduced me to Carbon DLS and printed urethane parts that we ended up using in production, solving some very challenging technical issues and freeing us from the confines of tooled parts. TTH provides more than just prototype and production parts, they provide solutions and a relationship that in my experience has been tremendously beneficial.
-Steve R., Project Engineer, Consumer Products (Small Appliances)
Most of my 30 year career has been spent finding vendors that meet my Cost, Service, and Quality requirements. The number of suppliers that can meet those criteria for a sustainable period of time are few. TTH is one of those companies. The management team at TTH is always willing to work with us to improve efficiency and offer solutions that exceed our expectations. If you are looking for a partner, not just a supplier, the team at TTH will not disappoint.
- Tom C., NPI Materials Leader
Q: What is electric discharge machining (EDM) and how does it work?
A: Electric discharge machining (EDM) is a precision manufacturing process that uses controlled electrical sparks to erode material from a workpiece. This allows TTH to produce complex shapes and tight tolerances in hard metals that are difficult or impossible to machine with traditional cutting tools.
Q: What types of EDM machining services does The Technology House provide?
A: The Technology House offers comprehensive CNC EDM services, including both sinker (ram) EDM and wire EDM. These services support the production of precision EDM machined parts for tooling, molds, prototypes, and production components across demanding industries.
Q: What advantages do EDM parts and EDM machined parts offer?
A: EDM parts offer exceptional precision and accuracy, especially for intricate geometries, sharp internal corners, or features in hardened steels. Because the process doesn’t rely on cutting forces, it minimizes distortion — making EDM ideal for precision prototyping and high‑tolerance manufacturing.
Q: When should I choose precision EDM machining over other processes like CNC milling or turning?
A: Precision EDM machining is the best choice when parts require extremely tight tolerances, complex internal contours, or features that are difficult to reach with conventional tools. It’s especially useful for hard materials, tooling, dies, and intricate prototype components that demand fine detail.
Our integrated approach to design, prototyping, and production allows you to bring your concept to market faster, more cost-effectively than virtually anyone else.
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