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How’s My Soldering?


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FitchVa 
Member - Posts: 11
Member spacespace
Joined: July 20, 2005
Location: United States
Posted: August 17, 2005 at 6:44 AM / IP Logged  
First off, I'd like to say "Hi." I've been lurking around trying to gather up all of the information I can on general wiring and such. I'm currently in the process of rewiring some of my old projects that I now see were done wrong...or not the best way.
The one thing I would like feedback on is soldering wires to terminals. I have done searches but have yet to really see any pictures. So I thought I'd try out some different techniques and see how they do.
Here's what I did...
* I used a MAPP gas torch for my heating (is this a bad thing?)
* Heated up the terminal until it was hot enough to melt the solder.
* Melted several inches of solder into the terminal.
* Inserted the stripped wire into the still hot terminal/solder
* Let cool.
* Protective heat shrink wasn't added because I was just testing connections.
Here are the pictures of the result:
(The stray strands are actually pieces of lint it picked up when I sat it down)
How’s My Soldering? -- posted image.
How’s My Soldering? -- posted image.
I'm thinking this will do the trick because I took some pliers and tried to make it fail by attempting to pull out the wire and this happened:
How’s My Soldering? -- posted image.
The wire failed before the soldered connection did. And if you look carefully, you'll see that the ring terminal was severly stretched/deformed.
I tested a conventional crimp connection which failed before the wire failed in the above test.
So whatcha'll think?
Thanks in advance,
Steve
soundmasta 
Silver - Posts: 246
Silver spacespace
Joined: November 17, 2004
Location: United States
Posted: August 17, 2005 at 9:47 AM / IP Logged  
i think you must get paid by the hour.
FitchVa 
Member - Posts: 11
Member spacespace
Joined: July 20, 2005
Location: United States
Posted: August 17, 2005 at 9:57 AM / IP Logged  
Why do you say that? This is for a personal project - running aftermarket accessories for my offroad vehicle.
thepencil 
Gold - Posts: 1,526
Gold spacespace
Joined: December 16, 2002
Location: Canada
Posted: August 17, 2005 at 10:47 AM / IP Logged  
You are trying to kill a fly with a sledge hammer.
What you should use is a terminal crimper for any ring terminal application. Solder it if you want extra reinforcement, personally it's a waste of time and effort as the marginal benefit that you gain from soldering does not justify the time you spend in do it. Get yourself a terminal crimper. The ring terminal work is done in less than a second. Save the solder work on loose wire. What I mean is that when you are trying to connect wires together without terminal and connector of any sort is when soldering is the most applicable. Nothing wrong with what you have done, but you can make better use of your time. Say maybe things like getting world peace.       
Be careful whose advice you buy, but be patient with those who supply it.How’s My Soldering? -- posted image.
FitchVa 
Member - Posts: 11
Member spacespace
Joined: July 20, 2005
Location: United States
Posted: August 17, 2005 at 10:50 AM / IP Logged  
uploaded some more pictures of different angles...
How’s My Soldering? -- posted image.
How’s My Soldering? -- posted image.
How’s My Soldering? -- posted image.
How’s My Soldering? -- posted image.
FitchVa 
Member - Posts: 11
Member spacespace
Joined: July 20, 2005
Location: United States
Posted: August 17, 2005 at 10:55 AM / IP Logged  
Ah, OK thepencil. That makes sence.
While I do understand and appreciate the advice, I think that I will end up soldering the connections. When I last inspected my wiring, I found a few loose connections that I crimped. The constant vibration and shock this thing sees offroad seems to like to shake everything loose (including teeth ;) )
I just wanted to get a second opinion on my soldering to make sure I was doing it correctly.
Thanks for the information so far!
Steve
5150azn 
Silver - Posts: 584
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Joined: June 21, 2004
Location: United States
Posted: August 17, 2005 at 10:55 AM / IP Logged  
What I do on those kinds of ring terminals is
1st - Crimp the connector
2nd - Insert the wire in to terminal
3rd - Heat up terminal and wire
4th - Stick solder into the top of the wire.
If your gonna go all out... Might as well go all out.
Tell the Snap-On guy I'm not here!
FitchVa 
Member - Posts: 11
Member spacespace
Joined: July 20, 2005
Location: United States
Posted: August 17, 2005 at 10:56 AM / IP Logged  
Ooooooooo, never thought of trying it like that. Might have to try that after work!
auex 
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Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: August 17, 2005 at 11:16 AM / IP Logged  
The wire should still be crimped in the terminal.
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5150azn 
Silver - Posts: 584
Silver spacespace
Joined: June 21, 2004
Location: United States
Posted: August 17, 2005 at 11:36 AM / IP Logged  
How’s My Soldering? -- posted image.
the solder should be melted into the terminal and not have this repeled look. I think thats a cold solder. The other thing to keep in mind is not to let the flame touch the solder. Heat the terminal from the back side.
Tell the Snap-On guy I'm not here!
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