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  1. #1

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    construction - wood metal bonding agent?

    My first real pinhole project: I'm making a pinhole out of an old polaroid peel-a-part camera. The bellows had come apart and were useless so I discarded the whole front end and unneeded parts. I created a box out of wood that fit to the body and will be using screws/bolts to hold it firmly but what should I use as glue/cement between the wood and metal that would stick to both?? suggestions?

  2. #2
    NedL's Avatar
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    Don't know but it sounds like a great project, have fun!

  3. #3

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    If you're securing with screws and bolts it sounds more like you need a gasket material than adhesives. Maybe something that does a bit of both?

    Like black RTV silicone adhesive would be good for light blocking around the edge, plus provide some extra grip. Bonus points for it remaining flexible so it won't start stress cracks after it cures.

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    I agree. Black RTV sounds like the best stuff for the job.

  5. #5

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    That sounds perfect. I didn't think about those extra points you stated. Where can I purchase RTV silicon adhesive. Auto parts store?

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    Truzi's Avatar
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    Yes, an auto parts store is a good place to get it. It will smell strongly until it is cured. I don't know if there is off-gassing that will affect your film, though.
    Truzi

  7. #7
    AgX
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    Depending on area size/construction you could use polyvinylacetat/solvent cement (the standard household-cement over here) or rubber/solvent contact cement.

    Though I would use standard epoxy-2-component cement.

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    Some good choices here, I'll add another one, a polyurethane glue works well for gluing dissimilar materials. The "Gorilla Glue" brand stuff is one common example. This type of glue requires some moisture to cure, so you'll need to slightly dampen one of the surfaces. Note that the stuff also foams as it cures, so apply sparingly. You can trim off the excess after it has cured.

  9. #9
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    Quote Originally Posted by AgX View Post
    Though I would use standard epoxy-2-component cement.
    +1.
    "The real work was thinking, just thinking." - Charles Chaplin

  10. #10
    NedL's Avatar
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    I was thinking about this post and I'd like to make a slightly different suggestion. I think you should jury-rig something with something simple first... maybe black felt as a gasket. Then use the camera for a few months and see how you like it. This will make it easier to change the "focal length" later if you decide to.

    I made a pinhole camera from a colorpack II and eventually I chopped off the front to make a shorter FL.

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