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Thread: Plastic Welding

  1. #1
    Join Date
    Jan 2005
    Location
    adelaide
    Posts
    8

    Default Plastic Welding

    HI I just blow off one of the side walls of a plastic big wheels bike rim from putting to much air into it would plastic welding fix this

    will add pics soon

  2. #2
    Join Date
    Jan 2004
    Location
    Mackay North Qld
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    6,446

    Default

    Its is dependent on what type of plastic it is.

    Its probably not cost effective to buy the hot air gun and filler you need.

    We did quite a lot of hot air plastic welding on PVC material .ie like plumbers downpipe , but I have no idea on any other stuff.
    Try the phone book.There are businesses that specialise in this work.

    Grahame

  3. #3
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    Jan 2005
    Location
    adelaide
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    Default

    http://img.photobucket.com/albums/v2...7/IMG_0859.jpg

    heres a pic of the plastic wheel rim

  4. #4
    Join Date
    Oct 2009
    Location
    queensland
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    3

    Default

    Bin it mate- you'll find it economically unviable to get it plastic welded and doubtful if the stuff will fuse together.
    Is that the edge of the rim that blew off on the right in the photo?

  5. #5
    Join Date
    Jan 2005
    Location
    adelaide
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    8

    Default

    yes the rim come right off

  6. #6
    Join Date
    Jan 2008
    Location
    Murwillumbah Nthn NSW
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    68
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    118

    Default

    Fixed a lot of plastic things over the years using a soldering iron and a good quality plastic as a filler . Pollypipe seems to work well. Doesn't always work but usually does but never looks pretty and 2 or 3x the original thickens [if you can ] is stronger than new often.

    Give it a go ,nothin to loose .Good luck --Mat--

  7. #7
    Join Date
    Jun 2010
    Location
    Canberra
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    Default

    For that long join, I'm wondering whether you might be better off trying a cyano glue (super glue) designed for plastics, such as Loctite 406. The glue is quite thin, so youd put the rim in place and align it to match the original position with a bit of weight to hold it there, and run the glue around the break and it should wick into the crack.

  8. #8
    Join Date
    Apr 2002
    Location
    Brisbane
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    429

    Default

    Mate...i've looked at that picture.....she is buggered mate.

    cheers
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  9. #9
    Join Date
    Feb 2007
    Location
    Katherine ,Northern Territory
    Age
    69
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    736

    Default

    Yep its cactus knackerus.

    Kev
    "Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
    Groucho Marx

  10. #10
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    1,656

    Default

    There is is not glue on this planet that will fix it and hold the pressure, plastic welding may work but as said above replacing the wheel would be cheaper, and I doubt anyone would be willing the put your life their hands. as for doing yourself plastic welding guns start at about $700, then you would need fiier rod.

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