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What is an EDM

EDM is also known as electrical discharge machine which has various types such as wire EDM, sinking EDM, spark machining and burning eroding machines. The main function of this machine is to cut objects in various shapes and join then in order to give them a new identity.

EDM is also known as electrical discharge machine which has various types such as wire EDM, sinking EDM, spark machining and burning eroding machines. The main function of this machine is to cut objects in various shapes and join then in order to give them a new identity. Recurring current charges are given by the two electrodes which are separated through a liquid. One electrode is attached with the object that is known as work piece electrode and the other one contains a wire or other tool. When the two electrodes come in contact with each other they produce spark and intense amount of heat is generated as a result of it. Thus the area which you wanted to remove is detached from the work piece. A fluid is used to cool down the metal as it becomes really hot when electric spark passes through it. This fluid will prevent the object from burning and will cool it down. Further in this article I would like to discuss types and functioning of different kinds of EDM machines.

One of an EDM machine is known as wire EDM, sinker EDM and precision machine. The wire EDM machine uses a wire that is metallic in nature. This EDM machine uses a capacitive transistorized power system.Before stating the processes dig a hole in the work piece. Start from one edge of the work piece and move along. As this machine uses electrodes to generate spark heat is also generated as a result. You will also see that the metallic wire places black spots on the work piece the reason is same that heat is generated. The metal that is used for making this wire is either brass or copper. There are chances that the work piece will get rough and have black spots on the surface. Another type of machine that uses a transistorized power generator is sinking EDM machine.

The only difference in this EDM machine is that it uses an electrode that is made up of copper. Sinker EDM machining uses a spark to generate heat and the aim is to machine blind cavities. Drilling holes in metals is considered to be a difficult task as the process is bit different from the regular drilling. The small hole EDM machine is used for drilling the hard surfaces which can not be drilled easily. The working of these machines is different from the regular drill machines. These machines are capable of drilling holes in electrical conductive materials no matter how hard the surface or metal is. The last type of this machine that I will discuss with you is the most popular type of EDM machine as it is related with the designs of different things it is known as precision machine. The users of this machine ask there customers just to bring the design and rest should be done by them. They will convert the design into something that is tangible and support practicality of your design.

Article Tags: Work Piece, Machine Uses

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