Electrical Discharge Machining
Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion, is a manufacturing process whereby a desired shape is obtained using electrical discharges (sparks). Material is removed from the workpiece by a series of rapidly recurring current discharges between two electrodes, separated by a dielectric liquid and subject to an electric voltage. One of the electrodes is called the tool-electrode, or simply the â€˜toolâ€™ or â€˜electrode, while the other is called the workpiece-electrode, or â€˜workpiece.
The use of electrical discharge machining is so essential that it is almost impossible to imagine a modern shop without an EDM machine. Many of today’s products simply could not be produced without it. Think of all the cell phones, calculators, IPods, cameras, medical devices and the endless amounts of high tech equipment that are made out of plastic!
Besides the essential role it plays in plastic injection mold making, EDM is used for the precision machining of medical parts, aerospace parts, and other highly specialized products. Electrical discharge machining, including Wire EDM, has also completely changed the way molds are made, as well as other specialized parts.
Shanghai Ying Ji Machinery Trading Co., LTD. (YJMT) is a specially authorized foreign trade corporation. The corporation’s main business is machinery export, include construction machinery, crane machinery, mining machinery, special doors, beauty equipment etc. We supplies Electrical discharge machining for sale and we have exported Electrical discharge machining to many countries.