Efficient Arc Welding Tips And Techniques For Beginners

It is obvious that Arc welding is considered as the major and an essential part of all the industries involved in designing and infrastructure

. But what arc welding is? It is a process of fusing two metals by applying intense heat. This welding type used welding power supply in order to create an electric arc between base material and electrode. And, the final product that develops contain all the properties, just as in metals. The term arc welding is named because the heat that is used during the process of melting the metal at the juncture of joining is caused by an electric arc. With the help of a mechanically guided electrode, carrying the current between tip and the joint leads to cause of electric arc. Listed here are some of the arc welding tips and techniques for the beginners.

- Safety Precautions

Remember that before commencing with any of the welding methods, you need to adopt proper safety precautions. During welding harmful UV rays and sparks are produced that can damage eyes and skin, so it is important to wear safety glasses to get rid of any kind of damage. Also, wearing helmets during arc welding is mandatory. After all, self protection is a must to reduce risk of fire accidents and electric shocks. So before starting with arc welding, make sure that you have every safety gear ready with you.

- Rod and Arc Setting

This is the one of the most crucial and important parts of this procedure. And, if you are starting with this welding type for the very first time then it is better to do it on a rusty metal work as it is much more tolerant to the rusty surfaces. Also, make sure that your current setting should be in the correct position. And, if you are making use of 2.55mm rods, then make sure to use only 80 amps current supply. Also, polarity settings have to be adjusted. Polarity setting is done in such a way that the rod is positive and the earth is negative.

- Arc Welding Process

At first you need to turn on the welding machine. An electric arc is being generated when the welding rod comes in contact with the juncture of fusion. Generally, Tap Starting and Scratch Starting, are used for the process of electric arc generation. In Tap starting method, an electrode is used to tap on the work that removes excessive flux from electrode tip, which meanwhile creates an electric contact to generate the arc. While in scratch starting method, the rod is made to scratch against the surface of the work slightly and as the spark is generated, the rod can be lifted off. Also, remember not to put extra pressure in the method, because through this the rod might get stuck to the work medium.

by: mspaul

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