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wave soldering

Wave soldering or wave soldering is a soldering process used in the manufacture of printed circuit boards, namely for components with through-hole technology. During assembly, the connecting wires of the components are fed through the holes and soldered with the surge bath of liquid solder.

In wave soldering, a tin-copper or tin-silver-copper alloy is usually used as the solder for the surge bath. The melting points of such alloys are between 218 °C and 228 °C.

Making a solder joint in wave soldering Sol

Making a solder joint in wave soldering Sol

dering takes place on the solder side. To allow the liquid solder to flow into the finest holes, the solder side is wetted with a flux and preheated before the wave bath. The flux prevents corrosion of the soldering points and ensures perfect solder cones.

The solder wave is generated in a bath and is wave-like. The pre-tempered solder side of the PCB is guided over this solder wave. It ensures the solder connections between the connecting wires and the contacted holes.

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Englisch: wave soldering
Updated at: 01.03.2019
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Translations: DE