dealing with Kevlar

*Rick Kirchner* · July 9th, 2012, 3:11 PM

does anyone know how to get rid of the kevlar "fuzzies" that show up around the edges when you bore/grind a hole in a panel that has kevlar reinforcement?

*jdp526* · July 9th, 2012, 4:02 PM

You might try lightly soaking the edge of cut with some CA glue that would harden the fibers enough so that you could sand the edge smooth.

*Steve Demeter* · July 9th, 2012, 6:15 PM

Or add a bit of the appropriate resin to them.

Try to use as fine and as gentle a cutting tool as possible to minimize them to start with.

Sometimes a fine hand file will dress them up.

YMMV

*Rick Kirchner* · July 9th, 2012, 9:08 PM

I'll try glue again. mostly it breaks off and leaves the fuzzies behind. I have eleventy-seven different kinds of glue - something in there will have to work.

R. Pare · July 9th, 2012, 9:09 PM

Blow torch.

AJWALKER · July 9th, 2012, 9:46 PM

I have had sucess using a 20 minute cure/ epoxy resin mix. I use a small acid brush and brush on the loose fibers and let it soak in. When the fiber/epoxy are half cured (rubbery) I use a dremal with a new sanding drum. The best way is to avoid making them in the first place. I try to use a cover and backup plates made of PVC scraps and carbite brad point drills. I drill a 1/8 pilot hole to align the plates while clamping then thru drill.

teamwisconsin · July 10th, 2012, 12:21 AM

Quote:

Originally Posted by R. Pare

Blow torch.

Yeah, my composite guy showed me the same trick. He used MAPP gas, but I was pretty amazed at how well it worked.