Everyone might be thinking that I am going to say that welding is a sculptural process that joins materials, metals and thermoplastics. But, how long we will see the same answer, let us think it in a different way. Welding is a process where weldorsare involved and you can even make the worst metal and objects into a useful one by the use of appropriate welding technology. How in the journey of ship, the captain is important similarly weldors are the captain of the welding process and really we need to appreciate them because even for a small metal to look good, they involve themselves in welding fumes and gases and their life is always in risk.
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal. In addition to melting the base metal, a filler material is typically added to the joint to form a pool of molten material (the weld pool) that cools to form a joint that is usually stronger than the base material. Pressure may also be used in conjunction with heat, or by itself, to produce a weld.
One of the most common types of arc welding is shielded metal arc welding (SMAW) it is also known as manual metal arc welding (MMA) or stick welding. Electric current is used to strike an arc between the base material and consumable electrode rod, which is made of filler material (typically steel) and is covered with a flux that protects the weld area from oxidation and contamination by producing carbon dioxide (CO2) gas during the welding process. The electrode core itself acts as filler material, making separate filler unnecessary.
Welding, in one form or another, has been an integral part of the work performed by the United Association for nearly 100 years. While the technology of welding has evolved dramatically during that period of time, the need for skilled welders in our industry is greater than ever.
Today’s welder must be proficient in multiple welding processes. At the very minimum, he or she must be able to weld all manner of piping using the manual SMAW and GTAW processes, but the necessary skills sets do not stop there.
Training for welders should include a variety of automatic and semi-automatic orbital welding processes. These are necessary skills for meeting the stringent demands of the high-purity piping industry. High purity is an industry within our industry developing out of the manufacture of computer chip and pharmaceutical products. Orbital processes are becoming the preferred method of welding on pipelines, heavy industrial plants such as chemical and refining operations, and also nuclear and conventional power production plants.
It is becoming commonplace for welders to operate semi-automatic welding equipment remotely. This is done through the use of modern fiber-optic cameras allowing the welder to watch the welding operation on a video monitor. As an example, this process is used in nuclear plants during intensive welding operations during steam generator change-outs, or for re-piping projects in highly radioactive areas. The remote operation of the welding equipment limits exposure to radiation.
Even the minute part in your automobile needs the welding process and as said before, in olden days, the manufacturing industries were struggling a lot to manufacture a product and the perfect example is have a look at the old cars, you know how the technology got developed now. What is the grand success behind this advanced welding technology? The new welding equipment, welding machines, welders, welding products and welding accessories are the reasons. All these are safeguarding the welding process and today, you no need to carry heavy equipment and also, no need to run for wires. A multi process unit and wire feed welders are there, so you can carry it everywhere you go.
Each and every welding process needs the appropriate welding technology and some of the welding technology and welding supplies suit for all industries and some may not suit, so buy a proper welder for sale, so that you might not worry about its quality. Quality, warranty and duty cycle are the important characteristics of a welding machines and the welding products you choose should be focused on user convenience should provide you easy adjust settings without any complicated hidden menus. If you are in the dilemma in buying any welding unit, consider the functions and features that each units or model has to offer.
By: Antonio Lucky Antonio
