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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: help soldering ground wire to a Cardas female RCA chassis socket posted by jarthel on March 6, 2007 at 17:21:44:
You need to use a soldering station that can actually develope some real heat for more than just a few seconds and you will need a large surface area tip. Some of the big irons with serious elements are best for this kind of job. Remember you are better off with a large iron that has considerable thermal mass rather than a small one. The issue is not the temperature so much as the thermal mass. With a small iron you will take far to long in sinking heat from the iron to the part in this case one with substantial mass in itself. So bigger is better and faster, you want to transfer as much heat as you can as fast as you can to heat the part to a high enough temperature to melt the solder. You need to get the part hot enough to melt the solder on, dont melt the solder onto the iron tip. Also the more silver content you use the hotter things will have to be. Finally flux is your friend. With big parts like these you may well be better off pre tinning the part first and also per tin your wire. Dont try to do both at the same time you will just be increasing your overall thermal mass and heat transfer will be harder to achieve on the two pieces at the same time if they are not pretinned.
With large connectors such as these you might want to use a very small quantity of acid flux on the ground section of the connector rather than rosin flux. Acid flux is far more agressive and usually permits the solder to wet very quickly. Please note that after you have tinned the ground lug (using acid flux)you will need to completly wash away all the remainder of the acid flux residue. You can use laquer thinner for this. Then you can install the pre tinned connector to the chassis and then install your wires (which were also pre tinned with rosin flux. At this point in time (actually soldering the wires in place) you can use rosin flux to finish the job. I hope this is helpfull. Regards Moray James.
moray james
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Follow Ups
- Re: help soldering ground wire to a Cardas female RCA chassis socket - moray james 23:55:59 03/06/07 (0)
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