Wave soldering is a bulk soldering process used for the manufacturing of printed circuit boards (PCBs) by passing the board over a wave of molten solder. The solder wave looks like a standing wave and it solder the components to the board when the board makes contact with it mainly used for through-hole components.The wave soldering process consists of five steps: fluxing, preheating, soldering, cleaning, and inspection. Fluxing is the application of a chemical agent that removes any oxide layers and prepares the board and the components for soldering. Preheating is the heating of the board to a certain temperature to prevent thermal shock and activate the flux. Soldering is the immersion of the board in the molten solder wave, which creates the electrical and mechanical connections between the components and the board.
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