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howtosolder [2005/08/20 10:48] – nfghowtosolder [2005/08/20 10:50] – Rearranged images nfg
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 ====== The Guide ====== ====== The Guide ======
 +
  
 ==== Attaching a wire to a PCB pad ==== ==== Attaching a wire to a PCB pad ====
-{{http://www.gamesx.com/misctech/padheat.gif?nocache}}+{{http://www.gamesx.com/misctech/padheat.gif}} 
 +{{http://www.gamesx.com/misctech/padsolder.gif}}  
 +{{http://www.gamesx.com/misctech/padsolder2.gif}} 
 +{{http://www.gamesx.com/misctech/padwiresolder.gif}} 
 +{{http://www.gamesx.com/misctech/padwireheat4.gif}}
  
 Since this is what you'll likely be doing the most, this is our first lesson. This assumes you've cleaned and tinned your iron, tinned the wire and have a bare clean pad to attach to. First apply the iron to the pad and heat it. Since this is what you'll likely be doing the most, this is our first lesson. This assumes you've cleaned and tinned your iron, tinned the wire and have a bare clean pad to attach to. First apply the iron to the pad and heat it.
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-{{http://www.gamesx.com/misctech/padsolder.gif?nocache}}  
  
 Now apply the solder to the heated pad, not to the iron. The solder should flow onto the pad easily, resulting in a liquid bubble around the iron. If so, remove the solder, then the iron. If it doesn't, check that your pad is clean, and that your iron is on. If it's off the pad won't be hot. Or if it is on, the pad might not be hot enough. Now apply the solder to the heated pad, not to the iron. The solder should flow onto the pad easily, resulting in a liquid bubble around the iron. If so, remove the solder, then the iron. If it doesn't, check that your pad is clean, and that your iron is on. If it's off the pad won't be hot. Or if it is on, the pad might not be hot enough.
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-{{http://www.gamesx.com/misctech/padsolder2.gif?nocache}} 
  
 This is what you should end up with. Remember that less solder is better. If there's a pointy peak where you removed your iron, or a trail across the PCB, you've used too damned much! This is what you should end up with. Remember that less solder is better. If there's a pointy peak where you removed your iron, or a trail across the PCB, you've used too damned much!
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-{{http://www.gamesx.com/misctech/padwiresolder.gif?nocache}} 
  
 Your wire should be stripped so that about 1-2mm of metal is showing. Too much risks shorting on other components, too litle makes it hard to use. Note that when you heat a wire the plastic sheath will retract, so it will end up a little longer than you started with. You can easily cut the wire to a workable length after you tin it. To attach this wire to your pretty solder-covered pad, place it onto the soldered pad, then rest the iron on top of the wire. As the iron heats the wire, the wire will heat the pad. When it's hot enough it will sink into the solder, and then you know you've got both components hot enough, and its just a matter of making sure the solder sourrounds and flows onto the wire. Remember kids, surface tension is your friend! Your wire should be stripped so that about 1-2mm of metal is showing. Too much risks shorting on other components, too litle makes it hard to use. Note that when you heat a wire the plastic sheath will retract, so it will end up a little longer than you started with. You can easily cut the wire to a workable length after you tin it. To attach this wire to your pretty solder-covered pad, place it onto the soldered pad, then rest the iron on top of the wire. As the iron heats the wire, the wire will heat the pad. When it's hot enough it will sink into the solder, and then you know you've got both components hot enough, and its just a matter of making sure the solder sourrounds and flows onto the wire. Remember kids, surface tension is your friend!
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-{{http://www.gamesx.com/misctech/padwireheat4.gif?nocache}} 
  
 Remove the iron and inspect your work. The wire should be solidly attached to the pad now. Make sure no excess solder has glommed onto adjacent components. You should always be frugal with your solder, you don't need much and using a lot will only lead to grief, madness, and global conflict. Remove the iron and inspect your work. The wire should be solidly attached to the pad now. Make sure no excess solder has glommed onto adjacent components. You should always be frugal with your solder, you don't need much and using a lot will only lead to grief, madness, and global conflict.
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 ==== Attaching wire to wire ==== ==== Attaching wire to wire ====
howtosolder.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1