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Fundamentals of Arc Welding Arc welding is one of the most popular types of welding. In simple terms, welding is a fusion process for joining metals. Metals should be melted together with extreme heat and fuse as one piece. If welding process is done correctly, two pieces of metal are joined together properly and termed as a single piece. Welding joint is given more importance than glue because with the help of welding process, metals can actually be melted together instead of using glue to hold them together. There are various ways of welding but arc welding is the most popular among them. In arc welding, electric arc is used to produce intense heat. This arc is formed between the metal being worked on and an electrode connected to the arc welder. Electrode rod is moved along the joint and is melted by the electric arc. Rod can be used for two things: one reason is to produce arc and other is it makes a filler material as it is melted. Arc welding creates an electrical circuit. Arc welder requires an electrical power source to make AC or DC current. An electric arc is created when electrode is held close to the metal. You will find an electrical circuit which will connect the arc welder and the metal. This process will create unbelievable temperatures. Tip of the arc can reach temperatures in excess of 6500 degree Fahrenheit. Due to extreme heat, metal pieces can fuse together and create a strong bond. To ignite the arc, electrode must be pressed against the metal and then pulled away. Arc generally produces very bright light. This bright light can affect the welding operator and those working in the welding job


site. Always wear a welding helmet and goggles before doing arc welding work. Arc can also harm naked eyes due to infrared or ultraviolet rays. To protect your eyes from these rays always wear auto darkening welding helmets. Source: http://www.everlastgenerators.com/wordpress/welders/fundamentals -of-arc-welding

Fundamentals of Arc Welding  

Arc welding is one of the most popular types of welding. In simple terms, welding is a fusion process for joining metals. Metals should be m...

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