ARC Welding

During arc welding of zinc coated steel, or galvanized steel, the zinc coating vaporizes at 1600°F (871°C). This temperature is much lower than steel’s melting point of 2800°F (1538°C). Controlling heat input and welding speed is essential to manage zinc vaporization and ensure good welding quality. Best practices for arc welding zinc-coated steel include thorough … Read more

Flux cored arc welding (FCAW), or dual shield welding, is a semi-automatic process. It uses a continuous wire electrode and a constant-voltage power supply. FCAW offers advantages like versatility and efficiency. It is ideal for applications in construction and manufacturing, especially when compared to MAG welding. In FCAW, an electric arc forms between the continuously … Read more

In arc welding and cutting operations, use electrical tape for temporary repairs on minor cable damage. Ensure the cable is not deeply cut to prevent exposing wires. Wrap multiple layers tightly around the damaged section. For permanent solutions, replace the cable. Always prioritize safety by using shielding and noncombustible screens for employee protection. Using electrical … Read more

Arc welding is a process that joins metals using an electric arc. The main types are: Gas Metal Arc Welding (GMAW/MIG), which uses a consumable electrode; Gas Tungsten Arc Welding (GTAW/TIG), which uses a non-consumable electrode; Shielded Metal Arc Welding (SMAW); and Flux-Cored Arc Welding (FCAW). Each type has unique applications. SMAW, also known as … Read more

The Forney Arc Welding Manual, 6th Revised Edition, provides guidance on Stick (SMAW) and MIG Flux Core welding. It includes setup charts, illustrated instructions, and maintenance tips. Offered by Forney Industries, this manual supports various welder models, promoting efficient and safe operation for users in welding and sheet metal fabrication. Ensuring your copy of the … Read more

Discover free arc welding tutorials for beginners. Learn the basics of Shielded Metal Arc Welding (SMAW), also known as stick welding. Access helpful guides and YouTube videos. Master key techniques like using the electrode and flux, controlling the electric arc, and safety tips to effectively start your welding journey. Various platforms offer free tutorials, allowing … Read more

Freedom Arc Welding is a veteran-owned business in the USA. Randy Hoppe co-owns the company and offers expert welding and fabrication services. They focus on delivering quality products and ensuring customer satisfaction. Freedom Arc Welding aims to meet high industry standards with every project. Fabrication insights involve understanding material compatibility and the required welding parameters. … Read more

Friction stir welding assisted by micro-plasma arc (P-FSW) is a solid-state welding method. It uses a micro-plasma arc to preheat materials, which improves their flow and reduces welding defects. This technique effectively joins both similar and dissimilar materials, enhancing mechanical properties and controlling temperature distribution during the process. A comparative study reveals significant improvements in … Read more

Arc welding uses heat to melt filler material, creating a welded joint. It is a fusion process that joins two parts together. In contrast, friction welding generates heat by moving one part quickly against a stationary part. This method forms a strong joint through mechanical joining without melting the materials. Arc welding, on the other … Read more

Fuerschbach is a dimensionless parameter used in arc welding. It estimates weld size, power, and speed. This model considers thermal properties of materials. Fuerschbach applies to techniques like Gas Tungsten Arc Welding (GTAW) and Plasma Arc Welding (PAW). It helps optimize melting efficiency and reduce the heat-affected zone. Understanding Fuerschbach’s Dimensionless Parameter provides insights into … Read more