Foam removal with aceton


Foam removal with aceton
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antokalo
antokalo
antokalo
posted 11 Years Ago HOT
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hello guys , 
its my first post here , i dont know if this chapter is the right place for this question but i ll throw it .

I want to make the joints of a bicycle with cf,
i am thinking to carve the shapes in foam either take 2 part foam and fuse it into a mold , to make the mould of the part 
then i will vacuum infuse the part over the mold of the foam i ll make 
after that i am thinking to remove the foam with ACETON.

the question is  will aceton hurt the carbon fiber part or the epoxy resin ,affecting the parts strength?

Thanks in advance
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antokalo
antokalo
antokalo
posted 11 Years Ago HOT
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Posts: 6, Visits: 71
Dremel it out roughly then use hand tools to remove the rest + abrasive paper to give a good bonding finish inside?  

thats probably the best solution , sorry i tend to overkill things.

SO the conclusions are .(i am thinking out loud)

A) have styrofoam cnced and melt it all the way down ( adv:perfectly clean inside,dis : you have to cnc the mold  everytime,takes time and money)

B) make a female mold in which you will create the male mold , infuse it .... (adv: you make one mold and then pure some 2p foam into it (1 time cnc) dis: you have to carve it out yourshelf)

a new one 
C) make the foam mold in any of the other ways put it on the jig , tack it with the wood or whatever, laminate it and then vacuum bang it and do your stuff
(ADV : very good bonding with the pipes(wood, bamboo etc) and the carbon parts. DIS: hard lamination and generally complex procedure )

Smile

Thanks a lot to all of you guys
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Foam removal with aceton
antokalo - 11 Years Ago
     2 part foam will not dissolve in acetone. It is insoluble in pretty much all solvents.
brainfart - 11 Years Ago
             when the epoxy is fully cured, it wont react with acetone... might give a dull finish but it will be...
matthieutje65 - 11 Years Ago
     thanks for your responses guys . So PLAN A: the way is to have styrofoam cnced (which will take...
antokalo - 11 Years Ago
             you can get different densities of expanded foam so just find one that is stable in compression...
ChrisR - 11 Years Ago
     Why not use a stronger foam, and just leave it in there, only removing it carefully where needed ?...
Dravis - 11 Years Ago
     Dremel it out roughly then use hand tools to remove the rest + abrasive paper to give a good bonding...
antokalo - 11 Years Ago
     Here's an alternative idea. If you are CNCing the foam it should be fairly easy to CNC a female...
FLD - 11 Years Ago
     Yes in plan B i mean cnc the female mold , just once as for aluminium i believe it will be too...
antokalo - 11 Years Ago

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