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About EDM Machining Services
EDM machining services remove metal by burning instead of cutting or grinding. There are three basic types of electro discharge machining (EDM) operations: electrode EDM, wire EDM, and small-hole EDM. Electrode EDM or die-sinking uses an electrode to burn a desired shape into a workpiece. By contrast, wire EDM burns the workpiece with a very thin wire. Small-hole EDM uses a small, hollow electrode which spins about a spindle much like a drill and drill bit. Dielectric flushes through the electrode, providing a controlled environment for the spark to jump to the workpiece and create very small pockets. In turn, these combined microscopic pockets create a small hole. Small-hole EDM is similar to drilling, but provides very low machining residue.
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Engineering Web: EDM Machining Services - Machine Design
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Advanced Manufacturing: Rapid Roughing of Tough Materials | A... Blisks are usually roughed-out by CNCs, electrochemical milling (ECM), or electrical-discharge machining (EDM), and then hand polished. |
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