| Electronics > Beginners |
| Homebrew soldering iron. |
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| cdev:
It would be great to figure out a good way to make ones own safe, decent soldering iron for a very small outlay, in a way that was repeatable all around the world. |
| joeqsmith:
--- Quote from: registereduser on January 20, 2019, 05:52:59 pm ---Just popping in to thank joeqsmith for all the effort. Definitely getting some helpful hints here. Thanks everyone for that matter. --- End quote --- Consider answering James question. I am curious myself. Obviously you have some access to the internet to be able to view the videos and post. You also mention having already bought a few cheap irons already and was not happy with their performance. I wonder for the cost of these irons if you would have just bought a better class unit from the start if you would have been better off? It seems like the time you build up a little controller, get some K-type wire and weld it, make up all the other parts, if you are out from under mom and dad, your time is worth something as well, it only really makes sense from a learning exorcise. The fact you are happy with the alcohol burner, I am guessing what I have shown already would be far superior to that when working with SMD. --- Quote ---I've made a alcohol burner powered iron that performs better than any of the three or four cheap irons I've ever owned, but fuel costs... --- End quote --- --- Quote from: james_s on January 20, 2019, 04:02:18 am ---Is this a "because you can" type of thing? Because I can't think of another reason to build a soldering iron from scratch. --- End quote --- |
| cdev:
There are countries where people who make >$2 a day are considered to be middle class. There, a $14 USD item costs an average worker a weeks wages. Plus there may be value added taxes. :o And if they go cashless, as some are pushing for (!!!) additional fees will likely apply. |
| joeqsmith:
--- Quote from: cdev on January 20, 2019, 07:30:12 pm ---There are countries where people who make >$2 a day are considered to be middle class. There, a $14 USD item costs an average worker a weeks wages. Plus there may be value added taxes. :o And if they go cashless, as some are pushing for (!!!) additional fees will likely apply. --- End quote --- I am one of those people who make >$2 a day but it's not really the point of the thread. I am sure there are many websites that you could join to discuss politics, health and poverty. It doesn't belong in a soldering iron thread or IMO, this site in general. Dave's call. Back to the soldering iron .... I removed the Kapton and am trying some a braided fiberglass jacket. I attempted to keep the heating element as tight as possible. The brass ring on the end is used to attach the thermocouple and has been hex crimped. Once reassembled, it seems to actually do better than the Kapton. With the same PI coefficients, you can see it oscillate. A little retune and it settles out. |
| joeqsmith:
Using the same thermal mass (ground plane) to attempt to tune it. It's definitely an improvement but I think the next step is to build a dedicated controller for it. |
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