problems with infusing


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Thomb
Thomb
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Hi all, im trying to make some exhaust protectors from carbon. i now made 20 of each and only 5 of them are good enough to use. The problem i run into is that all the flat area's are fine but 2 spots where 2 bumps are, always fail.

Here is the mold, polished and working like a charm. 

https://static.afbeeldinguploaden.nl/1705/268356/ArZhK5su.jpeg

This is how every part comes out shiney but always bad on the bumps.

https://static.afbeeldinguploaden.nl/1705/268357/tloSmFap.jpeg


So this is what it looks like every time around the bumps/holes:
https://static.afbeeldinguploaden.nl/1705/268358/vp5v7LX1.jpeg
https://static.afbeeldinguploaden.nl/1705/268359/ddutrUTZ.jpeg


https://static.afbeeldinguploaden.nl/1705/268360/sEANTO5h.jpeg




After this i tried it with some rubber gromets around the holes to maybe push the fabric down more but still there. I also tried a fast infusion and a slow infusion but same result.

https://static.afbeeldinguploaden.nl/1705/268361/QfsQMW0M.jpeg


But still this as result:
https://static.afbeeldinguploaden.nl/1705/268362/kQJEycaE.jpeg
https://static.afbeeldinguploaden.nl/1705/268363/kVWbWuoF.jpeg


Does anyone have an idea what i do wrong or can do diffrent? its costing me too much now. I always let the resin sit for 10 mins after mixing. full vac no leaks.

these did work:
https://static.afbeeldinguploaden.nl/1705/268364/CwZGmtCP.jpeg
Edited 8 Years Ago by Thomb
GO

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