Cut and lay carbon fabric

Talk Composites - The Forum for Advanced Composites

Back

Cut and lay carbon fabric

Author	Message
Massimiliano	M Massimiliano posted 5 Years Ago HOT Topic Details
M Group: Forum Members Posts: 167, Visits: 1.1K	Hi, I would like to infuse the attached mold with carbon fiber, several layers of 380 gsm 12k twill carbon. What is the best way to cut the fabric and place in the mold, also to avoid tows separation at the edges?
	Reply Like 4
Replies
Hanaldo	Hanaldo posted 5 Years Ago HOT Post Details
Group: Forum Members Posts: 2.5K, Visits: 28K	Good idea if it works, bad idea if it doesn't haha. Just give things a try man. I suspect it will be difficult to do like that though, it is a complex shape and the dry fabric is going to move around a bit. But that said, if you aren't used to laying up reinforcement and eliminating bridging then that may be even harder, so trying the template isn't a bad idea.
	Reply Like 5
Massimiliano	M Massimiliano posted 5 Years Ago HOT Post Details
M Group: Forum Members Posts: 167, Visits: 1.1K	+x Hanaldo - 12/28/2020 10:01:02 PM Good idea if it works, bad idea if it doesn't haha. Just give things a try man. I suspect it will be difficult to do like that though, it is a complex shape and the dry fabric is going to move around a bit. But that said, if you aren't used to laying up reinforcement and eliminating bridging then that may be even harder, so trying the template isn't a bad idea. ... going to send the mold to Australia soon! 😅😄
	Reply Like 5
Massimiliano	M Massimiliano posted 4 Years Ago HOT Post Details
M Group: Forum Members Posts: 167, Visits: 1.1K	So I did it and I am not dissatisfied with the result. I have given a try to the MTI hose and very happy with it, but the resin inlet spiral left a bad print on the part: seems like the carbon under the spiral is more compacted than the rest. And the immediate surrounding of the spiral is a little raised. Talking about a fraction of millimeter, but still very visible. How can I prevent this in the future?
	Reply Like 5
Lester Populaire	L Lester Populaire posted 4 Years Ago HOT Post Details
L Group: Forum Members Posts: 311, Visits: 13K	+x Massimiliano - 1/5/2021 7:36:40 AM So I did it and I am not dissatisfied with the result. I have given a try to the MTI hose and very happy with it, but the resin inlet spiral left a bad print on the part: seems like the carbon under the spiral is more compacted than the rest. And the immediate surrounding of the spiral is a little raised. Talking about a fraction of millimeter, but still very visible. How can I prevent this in the future? Make sure you have enough bag above the spiral hose, then once the infusion is finished you pull the hose up into the fold of the vacuum bag. Either that or infuse from side to side if the geometry and part size allows for this.
	Reply Like 5
Massimiliano	M Massimiliano posted 4 Years Ago HOT Post Details
M Group: Forum Members Posts: 167, Visits: 1.1K	+x Lester Populaire - 1/5/2021 2:35:22 PM +x Massimiliano - 1/5/2021 7:36:40 AM So I did it and I am not dissatisfied with the result. I have given a try to the MTI hose and very happy with it, but the resin inlet spiral left a bad print on the part: seems like the carbon under the spiral is more compacted than the rest. And the immediate surrounding of the spiral is a little raised. Talking about a fraction of millimeter, but still very visible. How can I prevent this in the future? Make sure you have enough bag above the spiral hose, then once the infusion is finished you pull the hose up into the fold of the vacuum bag. Either that or infuse from side to side if the geometry and part size allows for this. Thank you! I will try the fold suggestion as mti videos suggest to place the mti hose all around the part (see the white line in my pic) and place the resin inlet in the middle.
	Reply Like 5