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Thread: Welding

  1. 19th January 2011, 07:34 PM #11
    Blknight.aus's Avatar
    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    all the armd forces (ok the ones that can weld and actually look after their hulls) weld on their tanks. they all follow the same basic procedure

    prep
    preheat
    weld
    postheat
    cooldown
    get the crew to patch paint and unprep it.
    Dave

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  2. 19th January 2011, 08:20 PM #12
    austastar's Avatar
    austastar
    austastar is offline YarnMaster Silver Subscriber
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    Hi,
    thanks for the comments, learning new stuff on here all the time.
    cheers
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  3. 19th January 2011, 09:07 PM #13
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    isuzurover
    isuzurover is offline Swaggie
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    Quote Originally Posted by austastar View Post
    Hi,
    I nearly had pink kittens when a mate slapped a mig welder on my new cab chassis to make up some brackets for a tray.
    This was NOT recommended in the LR book of instructions to vehicle builders where it was advised that battery and electronics were to be disconnected.
    As it turned out, nothing went amiss. He had been making trays for ages and on all sorts of vehicles. The earth strap always was as close to the weld as possible and away from the front of the vehicle, also if possible.
    So why the severe warnings by LR?
    Are they just covering their legal butt?
    Any military welders on here? How is it done on a ship, tank or aircraft with gazillions of electronics if you need to weld a beefy bit on some very expensive bit of military hardware?
    cheers
    If you place the earth right next to the weld you can generally get away with it. However just because your mate has never blown a computer or alternator doesn't mean it is the right procedure.
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  4. 19th January 2011, 09:37 PM #14
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    Wongdai
    Wongdai is offline Master
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    Thanks for the quick replies all.

    I shall remove the earth from the battery, and place the earth lead for the stick welder as close as I can to where I am welding.
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  5. 19th January 2011, 11:23 PM #15
    Sprint
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    dont forget a heavy fibreglass blanket so the welding spatter doesnt ruin headlights/windscreen/paint
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