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Thread: How the hell do you solder...

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    Regular Member Dan_BlackSRi's Avatar
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    Default How the hell do you solder...

    I have never tried this is my life and made a right pigs dinner of it earlier. I want to solder the wires together while replacing my 3rd injector plug, but whats the best practice to neatly solder two wires together, whats the best things to have while doing it...? I am useless at it

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    Regular Member Hideous's Avatar
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    It's hard to get the hang of. Make sure you have the right size tips on the iron for the job you are doing, and practice on something rubbish first.
    Clean off old solder with wick before starting to tackle an old joint.
    Far from easy, some websites have some good guides to help, but it's all down to practice in the end.

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    Hot soldering iron. Put solder wire on tip, to get you a blob. While the flux in the solder is still burning place the tip of the iron against the two wires (best twisted together). Once the joint is hot (less than a second) place your solder wire against the connection and it should melt in to the joint.

    I find having some blue-tack to hold the wire is a good idea, leaving you one hand for the iron and one for the solder wire.

    Some people can do it fine, others never get the hang of it. My housemate is an electronic engineer and he can't solder to save his life.

    Or: http://lmgtfy.com/?q=how+to+solder

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    Regular Member mhvcbv's Avatar
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    hi
    place the soldering iron on the wires first to heat them up then put the solder on the wires untill melted in (do this to both wires)
    then touch wires together and heat up with the soldering iron and add a little more solder.
    job done m8

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    Regular Member bertbuckie1's Avatar
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    the secret is a good soldering iron..... weller are good but expensive - often cheaper ones make a mess i find

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    Regular Member davree's Avatar
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    I used to do this all day every day so should know how to do it.........If I can remember been out of that job for a few years!!

    And as Bert says always use a GOOD soldering iron.....I use JBC ones, again not cheap but very good!!

    1. strip wire
    2. twist together
    3. apply small amount of solder to a HOT soldering iron
    4. heat wire and apply solder whilst moving along the length of the wire with the iron (the wire will "soak" up the solder)
    5. trim off excess.

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    Regular Member Dan_BlackSRi's Avatar
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    Quote Originally Posted by davree View Post
    I used to do this all day every day so should know how to do it.........If I can remember been out of that job for a few years!!

    And as Bert says always use a GOOD soldering iron.....I use JBC ones, again not cheap but very good!!

    1. strip wire
    2. twist together
    3. apply small amount of solder to a HOT soldering iron
    4. heat wire and apply solder whilst moving along the length of the wire with the iron (the wire will "soak" up the solder)
    5. trim off excess.
    Aha... this way "seems" easy enough, I wasn't twisting the wires together or anything which makes it hard with one pair of hands - cheers for that.

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    Regular Member 67688c's Avatar
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    Quote Originally Posted by Dan_BlackSRi View Post
    I have never tried this is my life and made a right pigs dinner of it earlier. I want to solder the wires together while replacing my 3rd injector plug, but whats the best practice to neatly solder two wires together, whats the best things to have while doing it...? I am useless at it
    Use a decent iron such as a cheap 25watt Antex or similar, heaver jobs will require a higher wattage.
    make sure whatever your soldering is clean, apply a touch of Multi-core solder to the solder iron tip just to give it a coat of solder, it also serves to protect and prevent tip wear. Heat up the wire itself, about 2 or 3 seconds should suffice and apply the solder to the wire, keep the iron against the wire while appyling the solder until it flows nicely across the joint.
    The trick, is to know how long to apply the iron, as it will burn the plastic covering away if held too long, and is especially important when soldering electronic components. Soldering a SMT transistor or Led for example a 1 second contact is plenty. As a Ex TV and electronics engineer I've been using soldering irons for over 50 yrs so its easy for me, and it is very easy to master, just practice on loads of bits of twisted wire for simple joints to get you started.

    Use a generic low or medium melting point multicore solder, for larger jobs that need a big iron or a gas iron then its also wise to use a separate flux too, but in your case this should not be necessary.

    Trick to getting a nice soldered joint is.
    1. joint should be clean
    2. Make sure iron is hot enough for the job, so you can get it on and off quickly. For most small jobs a 25watt is fine.
    3. use a decent multicore solder, and wipe the tip frequently across a damp sponge (usually comes with the iron stand, and lightly tin the tip.
    easy peasy!
    Last edited by 67688c; 1st April 2009 at 23:34.

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    Admin plasma's Avatar
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    Personally I wouldnt twist them that way. It leaves a bump and is very hard to do anything with that when tidying it up. Best way if your gonna twist them is to wrap them around end to end along the length of it so that its still a striaght wire, very much easier to tape and insulate or even aeasier if you have heat shrink to put on it.

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