Cut and lay carbon fabric


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Massimiliano
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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! 😅😄

Hanaldo
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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.
Massimiliano
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Hanaldo - 12/28/2020 11:23:27 AM
Just give it a go man, you'll quickly learn what the material can and can't do. Start with the first layer and take your time, if you mess it up visually then just use that layer as one of the backing layers and try again.

There's not really too many ways you can do it that will make your life any easier, its a reasonably tricky shape. You're going to get a little bit of distortion and you will have to work a bit to make sure there's no bridging. If you were using pre-preg you would do the flat face as one piece and then the vertical sides could be done separately perhaps with the material at 45°. You could try that with dry fabric, use a bit of spray adhesive to stabilise it a bit, but it won't be as neat and easy as pre-preg is. You can do it as one big piece that you gently position and then trim the excess and put relief cuts in the corners where needed. This will give you the biggest challenge with bridging but potentially the neatest result.

Thank you!
I was thinking of making a shape of the internal of the mold with paper and then cut the fabric to shape a little oversized and trim in the mold... good idea or bad idea?

Hanaldo
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Just give it a go man, you'll quickly learn what the material can and can't do. Start with the first layer and take your time, if you mess it up visually then just use that layer as one of the backing layers and try again.

There's not really too many ways you can do it that will make your life any easier, its a reasonably tricky shape. You're going to get a little bit of distortion and you will have to work a bit to make sure there's no bridging. If you were using pre-preg you would do the flat face as one piece and then the vertical sides could be done separately perhaps with the material at 45°. You could try that with dry fabric, use a bit of spray adhesive to stabilise it a bit, but it won't be as neat and easy as pre-preg is. You can do it as one big piece that you gently position and then trim the excess and put relief cuts in the corners where needed. This will give you the biggest challenge with bridging but potentially the neatest result.

Massimiliano
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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?



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