vadik74c4 chernov

This text discusses different types of welding and their classifications based on physical, technical, and technological characteristics. Welding methods are categorized into classes based on the form of energy used to create non-detachable connections. The text also provides an overview of specific welding types within each class, such as arc welding, contact welding, and mechanical welding. It explains that welding with electric current is divided into non-arc and arc welding, with contact welding being a common type of non-arc welding. The text also discusses MMA/SMAW welding, which is a popular type of welding due to the absence of the need to carry a gas cylinder. It explains the process of MMA/SMAW welding and the selection of electrodes based on metal type and thickness. The text then introduces TIG welding, which is primarily used by professionals and advanced users, and MIG-MAG welding, which is mainly used for welding sheet metal. It provides an overview of the processes and equipment used in TIG and MIG-MAG welding.

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