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This is a write up covering the construction and performance of my Resistance Soldering Station I built over the last year. Throughout that time my rig has gone through several design changes all of which reflects in the final unit. I did some research on resistance soldering and discovered it was such a simple concept but the units on the market were priced too high for my budget. There are a number of very good sites which go in depth, some of which are listed on the home page but basically you are �shorting� out the low voltage secondary winding of a transformer using the joint to be soldered to cause the short. The heat of this �short� allows the solder to melt making the joint. This unit was built almost entirely form used or salvaged parts. This is by no means the only way of building a rig like this but I must say this unit works very well for me. It uses an extremely simple circuit incorporating a triac for power control and has built in voltage and ampere meters. I also built two different hand pieces, a carbon rod holder �gun� and a set of tweezers with stainless steel tips. Both of which I will detail. One last thing is I enjoy building my own tools but I hate the home made �look� so I went all out with brass hardware and a custom engraved front panel. I had bought a Taig lathe at about the same time I was building it so I turned custom parts as need be. This will not be a step by step detail but a comprehensive overview highlighting important features. |
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