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Electrical Discharge Machine And Its Working

This is one of the simplest of machine designed to assemble different and various parts in the manufacturing process. This machine joins the parts of an object accurately and in a very timely manner.

This is one of the simplest of machine designed to assemble different and various parts in the manufacturing process. This machine joins the parts of an object accurately and in a very timely manner. It uses an electrode that produces current or sparks and forms an arc between the electrode and the object. The process is quite simple and the use of this machine is very much affordable. This machine uses a wire that is made up of brass of copper the wire is attached with a part that contains current and this part is further connected to the power supply. One thing that is of great importance is that the process produces intense amount of heat that can damage other parts or particles present in an object. So to prevent them from burning the object is inserted into dielectric fluid so that it is cooled down as early as possible. This whole process is controlled and is carried out under great supervision. The machine provides the advantage of rotating the electrode so that deep cuttings can be done easily.

One basic type of this machine known by the name of wire EDM is used for cutting different objects in different shapes. A hole is drilled into the object and then the cutting process starts. Other type of EDM machine is sinker EDM which uses different electrode made up of copper or graphite and is used to give the desired shape to an object. Further I would like to discuss is that there are 3 types of transistors that are used in this machine. It is composed of transistorized power system. This produces the discharged energy and it comes through capacitors that are connected in parallel to increase the power. The use of capacitors allows the current to pass for few micro seconds. This is the main reasons for which capacitors are usedPsychology Articles, as they will allow the current to pass for few micro seconds. If the current will pass more than that the heat that will be generated will burn the object or it will loose shape.

So we see that there are 2 main types of EDM and there process is slightly different from one another. One is sinking EDM that uses transistorized power system because of the lower tool wear. Other is the one that uses capacitors in the power generator to control the amount of current that is passed at each interval. The time can also be adjusted as per your requirement. This capacitive power generator is used in wire EDM which is mainly used for small hole drilling. Drilling holes in materials such as metal is not same as drilling holes in wood or a wall. The drilling in metals requires special care and is achieved by using an electrode that produces the spark and makes the process smooth and easy. The machines have excellent use and process is simple. Manufacturers want something that will reduce the time of cutting and joining parts at a affordable price.

Source: Free Articles from ArticlesFactory.com

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