Thread: epoxy question

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  1. I have started my cnc build and will start a build log soon.

    I am in the steel work fase :-)



    For leveling i want to use the epoxy solution.



    I have troubles sourcing Westsystem 105 / 209 where i live (NL).

    Now i found this epoxy :

    https://www.carbonwinkel.nl/nl/attac...attachment=812

    will it do?

    viscosity +/- 1000
    hardness 12mpa

    12 hr potlife

    48hr curing time


    price seems nice too


    Verstuurd vanaf mijn SM-A320FL met Tapatalk

  2. #2
    Looks like it would be ok but I'm saying that with a huge caveat as I've no experience of it. I also used a different epoxy to the West systems one (Reactive Resins SYNTAC EPAFD with the SYNAMIN 200 series hardener) and that was fine.
    Neil...

    Build log...here

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  4. :-) on its way :-)

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  5. #4
    I have passed from the same stage some month ago. I also couldnt have the west system slow hardener here in Greece so i had to deal with another resign.
    The only thing i would like to mention is that the data sheet of your epoxy says 15 hours pot life but it doesnt says at what temperature and and what amount of resign.
    It is very possible that this resign will do the job, but the data sheet doesnt give me the impression that we are talking about a quality product.
    The creative adult, is the child who survived

  6. oh that is cool "not a quality product" ... my confidence just dropt to the floor :-)

    i will report back with result so we all know

    any special testing to do after curing?!

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  7. #6
    I wish you good luck with your try. Don’t hurry. Double check the dome
    The creative adult, is the child who survived

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  9. Here we go, this is the resin i bought.


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    Last edited by driftspin; 07-06-2017 at 08:41 PM. Reason: ad photo

  10. #8
    Quote Originally Posted by driftspin View Post
    oh that is cool "not a quality product" ... my confidence just dropt to the floor :-)

    i will report back with result so we all know

    any special testing to do after curing?!

    Verstuurd vanaf mijn SM-A320FL met Tapatalk
    What I can say is give the epoxy enough time to set 7-10 days is good. If you can make a test moat as well when it is cured the epoxy should snap ie brittle and not bend like plastic. If you see air bubbles in the serfave after you have poured the epoxy flashing a blowtorch flame quickly over it they will disappear.

    Make sure that you have sealed the moat so as not to have any leaks.
    ..Clive
    The more you know, The better you know, How little you know

  11. #9
    Neale's Avatar
    Lives in Plymouth, United Kingdom. Last Activity: 7 Hours Ago Has been a member for 4-5 years. Has a total post count of 964. Received thanks 162 times, giving thanks to others 5 times.
    I found it useful to run a small bead of epoxy around the edge of the moat to seal it (just used a small disposable brush) and let it cure (doesn't have to be really hard - a few hours is probably enough). This seals the unavoidable gaps as the epoxy will run through the tiniest hole and once it has started to run, it will continue and you cannot stop it. That initial bead does not have enough pressure behind it to go right through but will set in the gap instead. I used this the second time I poured epoxy - the leaks were one reason why I had to remove the first attempt and start again.

  12. Thanks guys for your intrest in my project.


    Ok i really have to start a build log.. but maybe make one later and keep that clean..

    I guess starting a build log is ok after basic bed frame is done.. current progress state is clean up after welding.

    I am not sure about epoxy leveling the bed before or after making the legs.

    I would bold the legs to the floor, spirit level the bed , and then pour the epoxy on bed and x axis and 1 side of the gantry y axis. flip the gantry pour the other side.

    Bed frame is 1850mm x 1160mm
    z will be +/- 200mm depending on expoxy thickness on gantry

    Box section is 80x80x4 and 120x80x4


    so.. 1000mm x 1500mm x 200mm

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