DT-Based on Welding and Its Types | Basic In Mechanical Engineering |SNS Institutions

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Welcome to our in-depth video on Welding and Its Types, an essential guide for anyone interested in fabrication, mechanical engineering, industrial design, or metalworking. Welding is a core industrial process used to permanently join two or more materials—typically metals—by applying heat, pressure, or both to achieve fusion. This video offers a clear and comprehensive explanation of what welding is, how it works, and the various welding methods used in modern engineering and fabrication industries. We begin by discussing the significance of welding in various sectors such as automotive, construction, shipbuilding, aerospace, and infrastructure. The video then explores the major types of welding processes, including Shielded Metal Arc Welding (SMAW), also known as stick welding, which is widely used for its simplicity and effectiveness in outdoor applications. We also cover Gas Metal Arc Welding (GMAW/MIG), favored for its high speed and ease of automation, and Gas Tungsten Arc Welding (GTAW/TIG), known for producing clean, high-quality welds with precision. Furthermore, we explain Resistance Welding methods such as Spot Welding, commonly used in automotive manufacturing for joining sheet metals efficiently. The video also delves into Oxy-Acetylene Welding, a versatile thermal process ideal for repair work and cutting, and advanced techniques like Laser Welding and Ultrasonic Welding, which are used in high-precision industries including electronics and medical device fabrication. Along with the theory, real-world examples and visuals help illustrate how each method operates and where it fits best in the manufacturing process. Safety precautions and best practices while welding are also emphasized to help learners understand the importance of protective equipment and proper handling. Whether you’re a student, educator, engineer, or DIY enthusiast, this video will enrich your understanding of welding and support your learning journey.