Soldering Irons

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Soldering a component

Soldering, is a process in which two or more items (usually metal) are joined together by melting and putting a filler metal (solder) into the joint, the filler metal having a lower melting point than the adjoining metal. Soldering differs from welding in that soldering does not involve melting the work pieces. In brazing, the filler metal melts at a higher temperature, but the work piece metal does not melt. In the past, nearly all solders contained lead, but environmental and health concerns have increasingly dictated use of lead-free solder for electronics and plumbing purposes.


Maker Hub Soldering Irons

The Weller irons use a resistive tip to generate heat. By varying the power through the tip, the temperature can be controlled. The Metcal uses an inductive tip that is tuned to be at one temperature. Important Note: One should never use the abrasive tip tinner on the Metcal tips. This can damage them.

Solders

There are different types of solder available in the Maker Hub. The standard solder is blah. Something in here about the solder pastes as well. Then an explanation of how we need to do something different for the Voltera interactions.

Documentation

pdf comic book of operations

Troubleshooting

Training

Soldering is not difficult, but understanding some basic concepts will go a long way toward a successful experience. After scouring the web for examples of soldering training, we really liked the videos below from Pace.

You will need to watch each video and then take the quiz when instructed. Before/After each video below, there are some clarifying comments.


Basic Soldering Lesson 1

This is by far the longest of the videos at (20:44), but also packed with the most pertinent information. It provides great background on solder, flux, wetting, and then mechanics of the iron and the joint. We do not have the student handbook that is mentioned. We suspect that you can manage without that. Here are some key ideas that you should watch for:

  • What is solder?
    • What temperatures do the different solders melt at?
  • What is flux?
  • What is wetting?
  • What are the different aspects of a soldering iron?


Basic Soldering Lesson 2

This video is dated, but provides some excellent examples of the difference between good and bad solder joints where wires are involved.

Basic Soldering Lesson 3

Basic Soldering Lesson 4

Basic Soldering Lesson 5

Basic Soldering Lesson 6

Basic Soldering Lesson 7

Basic Soldering Lesson 8

Basic Soldering Lesson 9