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Overview of soldering processes

What different soldering systems are there and what are these systems designed for? Here you will find an overview of the most important ways of soldering circuit boards in electronics production.

We find it useful to divide soldering systems or soldering machines into two main categories based on the type of assembly:

  1. SMT soldering machines

  2. THT soldering devices

1. SMT soldering machines

There are many different soldering systems for SMT (or SMD) soldering. You could further divide them up according to the soldering process, but we believe that structuring them according to their intended use makes more sense and is clearer:

Prototypes, pilot series, small quantities

These soldering devices are made to solder small quantities of circuit boards in development departments, engineering offices, universities, laboratories, etc. These systems can also be used to support series production, to test assembly changes or to avoid putting a strain on the lines for small series. There are various processes and sometimes adventurous designs here. In addition to these devices, there are also small soldering systems that are in no way inferior to the large machines in terms of soldering quality.

These are usually table-top devices with a 230V power connection and no external cooling. The following are often used:

- Reflow convection soldering
- Infrared soldering and reflow infrared soldering
- Reflow vapor phase soldering

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