Talk Composites - The Forum for Advanced Composites

Vacuum Bagging for small grooves

http://www.talkcomposites.com/Topic6964.aspx

By noble350 - 7/6/2013 3:35:21 PM

Hi there,

I've made a mould to produce Carbon fibre loops, the dimensions of the grooves are 5x5mm, which is the intended cross section dimensions of loops.
Initially I had an idea of taking carbon fibre loops out of mould and vacuum bagging them then i realised the might change the square cross section of loops which i want to keep.

So I wonder if vacuum bagging to whole mould with fibres in grooves will be efficient in this case or grooves too small?

And do you recommend any special arrangement of vacuum bagging materials?

Regards

Mohamed
By Warren (Staff) - 7/8/2013 12:41:17 PM

Only way is to try it.  Its not going to be easy.  You will have to work on one groove at a time.  Life would be much easier if you have a blunt tool sized to fit in the groove to help push in fabric and bagging stack.

in fact a different approach might be a positive tooling that you clamp around the current mould with ridges on it to match the grooves, you can then manually clamp it tight thus squeezing out some the excess resin.  Youd just want thin strips of breather cloth between each groove then.