What is High Frequency Discharge in Welding?
High-frequency discharge in welding is the process of using high voltage to break down the air gap between the electrode and nozzle in order to initiate the plasma stream. This high voltage is generally in the range of 10-50 kV but can be as high as 100 kV. The plasma stream created by this process is used to weld or cut metals.
This process is also sometimes called radio frequency welding, as the high voltage used to create the plasma stream is in the radio frequency range. However, not all radio frequencies can be used for this purpose – only those in the range of 10-50 kV are effective.
Advantages of using high-frequency discharge
The advantages of using high-frequency discharge in welding include the fact that it is a very efficient way to create a plasma stream, and that it can be used to weld or cut metals of all thicknesses. Additionally, this process is relatively safe, as the high voltage used is not harmful to humans.
Disadvantages of high-frequency discharge
The disadvantages of high-frequency discharge in welding include the fact that it can be difficult to control the plasma stream, and that it can be expensive to set up the equipment needed for this process. Additionally, this process is not suitable for all metals – some metals are more difficult to weld or cut using this method than others.
High-frequency welding machine
A high-frequency welding machine is generally used to weld or cut metals using the high-frequency discharge method. This type of machine generally consists of a power supply, an electrode, and a nozzle.
High-frequency resistance welding
High-frequency resistance welding is a type of welding that uses a high-frequency current to heat the metal being welded. This type of welding is generally used for joining metals that have a high resistance to electrical currents, such as stainless steel.
Seam welding
Seam welding is a type of welding that uses a high-frequency current to heat the metal being welded.
Related Links
Theory of High ? Frequency Discharges | SpringerLink
High Frequency Discharge in Gases | Nature
Glow discharge
Statistical Properties of Pauses of the High-Frequency Discharge Neurons in the External Segment of the Globus Pallidus | Journal of Neuroscience
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