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Thread: Best glue

  1. #1

    Best glue

    Metal to plastic. Need to secure a piece of Delrin inside a steel pocket. Is there anything out there that works best for this?
    Thanks.

  2. #2
    Couldn't you just rough up both pieces real well and use epoxy?

  3. #3
    Can rough up the Delrin, but not metal.

  4. #4
    How smooth is the steel? It needs some degree of surface roughness to allow an adhesive to adhere.

  5. #5
    Quite smooth, John. It is a machined pocket for a Delrin overtravel stop that had been pressfitted in. The fit is still reasonably tight, but loosened up a bit after heating during ceracoating.

  6. #6
    Can you upset the delrin a bit to make it a bit oversize? Like a center punch or something...but you have to be gentle, since delrin can be brittle and shatter. Although, since it isn't going to be stressed, you could just swab a little epoxy on it and push it in and let it set up.

  7. #7
    Member orionz06's Avatar
    Join Date
    Feb 2011
    Location
    Pittsburgh, PA
    Loctite Hysol would be my first attempt. Been meaning to try the stuff but no opportunity has presented itself.

    http://www.henkelna.com/us/content_d..._LR7911911.pdf

    http://www.mcmaster.com/#loctite-hysol/=qw965d
    Think for yourself. Question authority.

  8. #8
    Site Supporter
    Join Date
    Jan 2012
    Location
    Fort Worth, TX
    Loctite 454 or if you need a lot and want to save some $$ Turbo Fuse gel.
    Curing time is SHORT and final bond is not flexible.
    I believe both have a rubberized version if you need the bond to remain malleable after curing.
    "No free man shall ever be debarred the use of arms." - Thomas Jefferson, Virginia Constitution, Draft 1, 1776

  9. #9
    Center punched delrin a bit and sat it on a JB Weld. We'll see what happens. Thanks for advice!

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