Tariqul

Short arc welding is a process that uses low heat input. It operates with welding parameters of 50–180 A and 15–23 V. When the filler material touches the workpiece, a short circuit forms. This heats the filler wire’s tip, transferring a droplet into the weld pool, which helps create strong joints. In comparison to Metal … Read more

Polarity in arc welding refers to the direction of electrical current in the circuit. It can be either positive or negative. Understanding polarity is critical because it influences weld quality and weld strength. Proper polarity settings lead to optimal welding results and stronger metal bonds. Understanding polarity in arc welding is essential for achieving desired … Read more

Heliarc welding, or TIG (Tungsten Inert Gas) welding, uses a non-consumable tungsten electrode to make strong, precise welds. It typically uses argon or helium as shielding gas. This process is ideal for joining magnesium, aluminum, and stainless steel, providing excellent control and high-quality results in metal joining. The key technique in Heli Arc welding involves … Read more

An electrode in arc welding is a coated metal wire made from materials similar to the base metal. It connects to the welding machine. When electricity flows through, it creates an electric arc. This arc generates intense heat, melting both the electrode and the base metal, allowing them to fuse together effectively in the welding … Read more

Argon arc welding, or TIG (Tungsten Inert Gas) welding, is a process that uses a tungsten electrode to form an electric arc. This process joins metal parts at high temperatures. Argon gas protects the weld area, resulting in a strong and clean joint. This technique is ideal for high-quality welding projects. The primary benefit of … Read more

Arc welding is effective for many tasks, including steel erection, heavy equipment repair, and pipeline welding. It plays a crucial role in construction projects, manufacturing, automotive work, and metal fabrication. Its versatility and cost-effectiveness make it a valuable technique across various industries. The benefits of arc welding are significant. First, it provides strong welds that … Read more

Arc welding operates by using a power supply to create an electric arc between the electrode and base material. This arc produces intense heat that melts the base metal, the core of the electrode, and the flux coating. The flux coating shields the weld from contamination during the welding process, ensuring a strong bond. Arc … Read more

Arc welding was practically invented by Russian inventor Nikolay Benardos in 1881. He introduced carbon arc welding, a method that significantly advanced welding techniques. Earlier, Egyptians practiced welding on iron around 3000 B.C., showcasing their early craftsmanship in this important field. In 1901, American engineer Elihu Thomson improved arc welding machines by introducing a more … Read more

Leather gloves are best for arc welding because of their durability and heat resistance. For stick welding, use thick gloves like Tillman or Revco Black Stallion 850 for protection. For TIG welding, thin goatskin gloves offer better dexterity. Always select gloves that match your welding technique for safety and comfort. Fit is another crucial factor. … Read more

Arc welding started in 1881 when Nikolai Benardos showcased the method with a carbon electrode at the International Exposition of Electricity in Paris. He patented this technique in 1887, with Stanisław Olszewski, marking a key development in the history of welding technology. The timeline of arc welding’s evolution showcases significant milestones. In the 1920s, the … Read more