electrical discharge machining working principle
The workpiece is connected to the ve terminal it becomes the anode. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators.
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As the electric discharge takes place between an electrodewire and workpiece the thermal energy is.
. This video explains about electric discharge machining process_____Please support me to create more free vide. The workpiece is connected to the positive terminal and the tool is connected to a negative terminal of the DC power supply. It is also known as Spark erosion Electro-erosion or spark machining.
Both of these should be electrically conductive. Working Principle of Electric Discharge Machining The workpiece and the tool are electrically connected to dc electric power. This removes erodes very tiny pieces of material from the workpiece at a controlled rate.
Electrical discharge machining EDM is a non-traditional machining process that involves removing material from a part through a series of repeated electrical discharges between tools known as electrodes and the part being machined in the presence of a dielectric fluid. It works on the thermo-electrical phenomenon. Here the thin wires act as electrodes.
A gap known as the spark-gap in the ranges of 0005 to 005 mm is maintained between the workpiece and the tool. A potential difference is created between the electrode tool and workpiece. The basic electrical discharge machining process is really quite simple.
Principle of the electric discharge machining process In EDM material removal is performed by applying a pulsating ONOFF high-frequency current through the electrode to the workpiece. Explanation of EDMAudio. When a discharge takes place between two points of the anode and the cathode the intense heat generated near the zone melts and evaporates the materials in the sparking zone.
The tool electrode is typically referred to as the electrode and the workpiece electrode as the workpiece. The tool is the cathode. An electrical discharge spark is created between two electrodes solid electric conductors.
It is dipped into the dielectric medium. This is because the discharge may be affected by the workpiece and the wire. Electric discharge machining is a non-conventional machining process that uses an electric spark to remove metal from the workpiece.
This process is done by applying high-frequency current through electrodes and Workpiece emerging in the dielectric fluid. During WEDM processing a spool is used to continuously unwind the wire from the automatic feeding device. Electrical discharge machining EDM is a process of removing material by exposing it to reoccurring controlled electric discharge.
It consists of an electric power supply the dielectric medium the tool workpiece and servo control. Electrical discharge machines work on the principle of material removal using a series of electric Spark discharges occurring between the electrode tool and the workpiece. Therefore a new discharge path is required in the cut.
In this case the dielectric liquid is usually deionized water. Working Principle of Electrical Discharge Machining. For improving the effectiveness the work piece and the tool are submerged in a.
What materials can be machined by EDM.
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