Parts get soft in the sun


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Matthieu Libeert
Matthieu Libeert
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I've once seen a picture on the internet of a guy curing his parts in the sun, this is how he did it.

You take a carboard box, put you part in it, put a black trashbag arond the box, make some small holes in the bag with a knife, put it outside on a hot summer day Smile

Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




NikCFC
NikCFC
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DO NOT CURE PARTS IN YOUR KITCHEN OVEN!!!!!!!!!
TomDesign
TomDesign
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i think for wrapped good sun curing but if you put to much heat they simply delaminates from oem piece i tryed that with heat gun in short hand distance.
ebf2k
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What about post curing parts that are skinned?  I'm assuming it's still required.  Is it possible to just sun cure them? 

Is it ok to use the kitchen oven or do I need to worry about toxic chemicals?
Ortonporton
Ortonporton
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Just a quick one, if your making carbon fibre covers for a wing mirror or any part really, does it still need post curing? I only ask as if its a perfect cover that's glued in place, I'm thinking the part wouldn't distort, or is it still just as important? cheers
Warren
Warren
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heat AND time. The epoxy cures by a chemical reaction and heat acts like a catalyst. The idea of post curing is to ensure the whole part is fully cured.
Carbon Tuner
Carbon Tuner
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K guys I am going to try and heat cure my mold,

I did read for the orange tooling gel I am using now I can go 150F. Then after 16 hrs of that I can go 190F the next time.

So now comes the time I need a parts oven...

I also have a part I may just attempt to heat cure out of the mold, as long as the part reaches 150 or so it will stiffen up or does it have to be in the heat for a certain amount of time



If Brute Force Isn''''t working your not using enough...
Edited 13 Years Ago by Carbon Tuner
Warren
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just follow the post curing guide on the previous page of this thread.
twissta
twissta
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Ok Family, I have been curious, because the carbon mods video doesn't speak about curing the parts. So curing any parts made from carbon fiber would be your suggestion... for a superior part, and not allowing the sun to cure it.
Bruce
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Matt (Staff) (19/07/2012)
Hi Don,



Heat lamps, as Bruce suggests can be used by you should excercise caution because you can accidentally get some very hot spots which would be beyond the temperatures you can safely expose the resin to. If you use heat lamps or other very localised heating be sure to diffuse the heat through breather cloth or some other insulating material which will dissipate the heat more or even flip the mould over (if it's still under vac) and shine the heat onto the reverse side of the mould, rather than directly onto the part.

--Matt


yeah you have to be careful with placement of the lamps ,the single is good for a small part/repair   i also have a larger multi  head where you can angle the heads independently of each other 
i use a thermometer to check the temp all over the part to find the hottest spot  (if it has one) relativly flat shapes tend to stay within a few degrees over the entire surface ,stuff with deeper shapes in it i tend to use the bigger lamp and try and angle it around the part so i get a more even spread of heat 
you gotta be careful though Smile
GO

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