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EDM Drilling Companies

IQS Directory implements a thorough list of EDM drilling companies and suppliers. Utilize our listing to examine and sort top EDM drilling companies with previews of ads and detailed descriptions of each product. Any EDM drilling company can design and engineer EDM drilling services to meet your companies specific qualifications. An easy connection to reach EDM drilling companies through our fast request for quote form is provided on our website. The company information includes website links, company profile, locations, phone, product videos and product information. Customer reviews are available and product specific news articles. This source is right for you whether it's for fast hole EDM drilling, bolt wire EDM drilling, or micro hole EDM drilling.

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ARTICLES AND PRESS RELEASES

  • Finding the Perfect, Reliable Method

    When it comes to finding the perfect method of electric discharge machining, there are many options that must be evaluated. However, one of the more popular methods is wire EDM. In this process, a small hole is drilled into the material to be formed. Once drilled, the wire is slipped through sparks will begin to melt away the unwanted material, leaving the perfect product as a result. Where it is especially popular, is with all of those incredibly difficult and hard metals that can be nearly impossible to machine with...

  • Conventional EDM Shop Capabilities

    Conventional EDM, the alternative method to wire EDM can go by so many names. It is often referred to as plunge, sinker or ram EDM. No matter the name, the method of them is the same. Conventional EDM is used to create and shape metal parts by eroding parts of the surface with brass electrodes. These electrodes take the form of sparks and are able to reach a heat ranging from 8 to 20 thousand degrees. Both wire and conventional EDM can create precise and detailed products, conventional EDM is...

  • Using EDM on the Smallest Surfaces, Micro EDM

    Around tenth grade, when I finally got sick of having to sit in the front of the classroom to see the board or else nudge the person next to me asking what it said, I decided to get glasses. Well, contacts, because I thought my head looked too weird in glasses, but eventually I did get glasses too. When I finally got my first pair I couldn't help but notice the tiny screws that were in the sides of many, or the miniscule writing others contained. One of the ways...

  • EDM for Drilling

    Imagine a spending a whole day without using your phone, your laptop or your radio. While twenty years ago this would have been easy, today it is next to impossible. Yet, how often do we take the time to appreciate the intricate detail they contain? Take for example, the small holes in our phone, computer or radio that allow sound to come out. Everyday we are running into products that EDM is able to make molds for. The process could easily be applied to the tiny holes in our phone...

Industry Information

EDM Drilling

EDM drilling is a specialized tooling process that creates holes in metal parts and products by using electrical energy in the form of sparks to erode the metal. It is an alternative to conventional drilling methods when the material is too strong and resistant as it is an effective machining method for even hard materials such as polycrystalline diamond stock, magnet materials and carbide.

Also known as electrical discharge machining drilling, EDM drilling is accomplished one of two ways - ram EDM and small hole EDM, both of which use an electrode that shoots out electrical charge or sparks which are hot enough to erode away any metal. Holes can be made on curved and angular surfaces, and they are drilled quickly, with accuracy and completely straight. Any electrically conductive material may be drilled by this method, including aluminum, copper, steel, stainless steel, zinc, tin, titanium, gold, lead, silver, iron and bronze. Applications that make use of EDM drilling capabilities include for the creating of holes in turbine blades, fuel injectors, cutting tool coolant holes, hardened punch ejector holes, plastic mold vent holes and wire EDM starter holes which are necessary to start the process of wire cutting using electrical discharge machining. Precise and small holes are required in many different products and therefore EDM machining is used widely in the manufacturing, medical, automotive and aerospace industries.

The EDM drilling process begins with a round, hollow electrode made of brass or a similar metal, which then rotates around a spindle and shoots out electrical sparks that are extremely hot. The metal part or product is clamped down tight so it cannot move, and computer numeric controlled software determines the direction in which the electrode will point. A dielectric fluid bath, usually water based, is used to conduct the electrical current and to reduce the process temperature. It also washes away the eroded material debris and prevents any premature sparking which would result in an imprecise finish. When the electrical sparks, created by a servo-controlled generator, shoot out of the tip, an electric field is created in the gap between the electrode and metal work piece. The surface is slowly eroded by this electrical energy, forming microscopic pockets that eventually form a perfect hole. Hole diameters may be anywhere from 0.03 to 400 mm, and have the option to be extremely deep-up to 100 times the hole diameter. This is a key benefit in EDM drilling, as standard drilling is confined to depths 5 to 6 times the hole's diameter. Those that drill long or large holes through hard materials are often equipped with an automatic electrode changer because they tend to wear out quickly. Though it is costly to replace the electrodes used, this process of EDM drilling is still a cost effective solution to many drilling needs.



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