die cut base question?

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olie25
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die cut base question?

Post by olie25 » Thu Dec 06, 2012 10:46 pm

im trying some cnc drag blade cut base in my next layup, some of my clear base dosnt sit as flat as it should. Ill need to attach it in layup. whats the best product... a little packing tape ???

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vinman
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Post by vinman » Fri Dec 07, 2012 12:19 am

Packing tape would be messy and not come off the base very well. I protect my bases with clear contact paper. It handles the heat well and peels off easily after pressing.
Fighting gravity on a daily basis
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Brazen
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Post by Brazen » Fri Dec 07, 2012 5:49 am

I always used packing tape...if you pull it when it's still warm from the press it comes right off easily.
"86% of the time it works 100% of the time".

twizzstyle
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Post by twizzstyle » Fri Dec 07, 2012 7:43 am

I'm about to do the same thing. I've got a LOT of shapes cut out, and it's fitting so-so.

I've got the bottom side covered in vinyl application tape, and on the top I've got a lot of small pieces of medipore, and one solid 3" wide strip of medipore running the length of each ski (I haven't cut out the whole base yet, just assembled the two colors).

I'm not sure how I feel about leaving the long strip of medipore for the layup - but I think I might, just for extra insurance that things don't shift in the press. If one piece shifted and overlapped another, the ski would be trash.

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Brazen
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Post by Brazen » Fri Dec 07, 2012 9:08 am

you guys are so fancy! :D
"86% of the time it works 100% of the time".

rnordell
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Post by rnordell » Sun Dec 09, 2012 1:07 pm

Twizz,
I've found the Airtech Tac-Strip to work well holding parts in place during layup. It's designed for using in place of spray tac adhesive when holding dry fabric in place for resin infusion. I have been using it to make sure that the metal tip and tail cap pieces that butt up to the base that I put on the ends of the skis do not shift during the layup. http://www.facebook.com/photo.php?fbid= ... =3&theater
Here is the info on the Tac-Strip product
http://catalogue.airtech.lu/product.php ... =270&lang=

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vinman
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Post by vinman » Sun Dec 09, 2012 1:48 pm

Does that tac strip go right in the layup? If so that would be a great product for attaching tip and tail spacers and maybe tacking VDS to the base to make sure it doesn't get spit out while pressing.
Fighting gravity on a daily basis
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Jekul
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Post by Jekul » Sun Dec 09, 2012 1:54 pm

Looks exactly like drywall tape, just two sided adhesive...

I've been using drywall tape for holding tip and tail spacers for the last 1.5 years. I usually add hot-melt glue since the drywall tape adhesive is pretty weak.

rnordell
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Post by rnordell » Sun Dec 09, 2012 2:04 pm

I don't use it for tacking vds foil (i wet out both sides of the vds with epoxy before i put it over the base and edge) but I do use it to hold the tip/tail spacer in place on the core

OnDeck
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Post by OnDeck » Tue Dec 11, 2012 1:57 pm

Packing tape for me. I use the 3m stuff, the heavy duty stuff (I think it says "Packing and Moving "on it). As long as you remember to remove it before it cools everything's fine.

OnDeck
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Post by OnDeck » Tue Dec 11, 2012 1:57 pm

Packing tape for me. I use the 3m stuff, the heavy duty stuff (I think it says "Packing and Moving "on it). As long as you remember to remove it before it cools everything's fine.

BRAND2102
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Re: die cut base question?

Post by BRAND2102 » Sat Dec 14, 2019 6:23 pm

If there are cracks and holes in the die cut how do you fix that or does it just get filled with the epoxy during layup.

gav wa
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Re: die cut base question?

Post by gav wa » Sun Dec 29, 2019 1:50 am

I pre press all my ptex. So laid flat in the press, press it flat and sit at about 70 degress for about 30 minutes, then let it cool right offf before pulling from the press.
After diecut the pieces all stay perfectly flat, so much easier to work with.

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