Trying to find some carbon fiber that isn't wrap. I just need some with adhesive backing. I'm only doing a few pieces on my boat and I might do a few more pieces on my car eventually but I don't want wrap. Any suggestions on helping to find this would be great as I'm not having much luck

Edit : I'm not looking for actual carbon. I just want something that looks like carbon with a sticky back. Should be pretty simple but apparently it's not.

Any good companies that will make moulds and do methodology for parts? Fair price preferably

Thanks

My wife and I have been making carbon fiber rings for 15 years but the opals are a newer addition!

I ordered honeycomb carbon fiber hood and now I am making some mirrors with honeycomb and i noticed that the honeycomb pattern is smaller on the hood than the fabric i got for the mirrors. Is this normal?

https://preview.redd.it/lfko8eba65ge1.png?width=1233&format=png&auto=webp&s=c93613cae30c12dcf3ba849653d559f5c9ecfc0c

https://preview.redd.it/i4ph7dba65ge1.png?width=1300&format=png&auto=webp&s=f475d87e5835bc0e11fa08c6b533d2e5e5080b68

First time ever working with composites here - Our environment involves60kg robots moving at >6m/s repeatedly smashing into each other.

We're using 20X17 roll-wrapped tube and need robust clevis connections in both tension and compression, high impact environment. Inserts are machined from 6061 bar stock in three ops across cnc lathe and mill. Internal bore is a weight-saving measure, ignore the lack of dfm there.

My questions come from inexperience-

• We're planning to use 3M DP460 epoxy because we've seen it recommended a bit - are there any important considerations for surface pre-treatment of both tube and insert? any alternate recommendations that might be better for our use case?
• Currently the shape of the interface is just eyeballed based on what feels right - any ways to improve for increasing strength/reducing weight?
• The tube assemblies will always be retired after less than one year, and our application isn't safety critical. With this in mind, how important is consideration for galvanic corrosion? I was under the impression that the effects of that were seen over longer periods of time than we care about, and I'd prefer to avoid the added kerfuffle of isolating with fiberglass or whatever.
• Insert aside, how would you expect such a tube to perform? I haven't provided enough info to tell whether it'll break or not, but having never designed anything around the stuff, what's it like?

Any answers would be immensley appreciated!

Im trying to figure out if those inexpensive 1/2 hp HVAC pumps off amazon would work for me, im just looking to make a couple parts. Essentially use the pump to make a carbon fiber hood and a couple over fenders. If they wont work and i need to buy something more expensive ill probably just stick with fiber glass unless i can find a decent one used.

Just tried my first wet lay and couldn’t get the carbon to stay down, kept popping out of the crevices and lifting. Why?

I am trying to find my way in to easily repeated carbon fiber tapered tubes. Most are less than 4” long and 1” max o.d. I do not have an oven or vacuum setup. So far ive been using sleeves from soller composites over foam cores. Im very happy with the process except that im now hoping to make thinks precise (half mm tolerance or better). Im also really hoping for a smooth surface and a couple bucks a part cost.

If this isnt something i can do myself is there a good way to outsource? Looking for an initial run of 3-4 pieces of each of perhaps 4 shapes. But id really like to get peoof of concept so i can easily pump out 2-10 more as desired.

How do i go about this?

I've been checking out this body kit and was wondering if the ripple in this side skirt is acceptable? Is this a error from gloss/lacquer not applied evenly? Any input would be greatly appreciated.

https://preview.redd.it/1pcqxidmj2fe1.jpg?width=1920&format=pjpg&auto=webp&s=5938eeb681599b1aa5b33c7d479a06c97ce36e87

https://preview.redd.it/fza6z8dmj2fe1.jpg?width=1920&format=pjpg&auto=webp&s=6ee7ab23a2703766d388f2a5749e06a60a419ca9

Should I get new ones or try and fix this ?

Hello I have several carbon fiber sheets, I need to drill into to mount some loads, the problem is the carbon fiber sheets are shattering from the holes I have drilled, I am using diamond tip drillbit for drilling, is there something I am doing wrong?(Which might be the case) as I have very limited experience with carbon fiber or composits in general, and Before shattering I see the crack propagating from the holes I drilled and mounted the loads. Any help would be appreciated (Regarding the strength of the sheets, I mounted my loads on teh top without drilling and have no isses at all)

We recently ordered a vacuum pump along with all the necessary equipment for the carbon fiber infusion process. However, instead of receiving a vacuum chamber, we got a pressure chamber (pressure pot).

We’re wondering if this is simply a mistake in the order or if there’s an actual infusion process where a pressure pot can be used effectively. Any insights or advice would be greatly appreciated!

Thanks in advance!

Hello guys,

Could you please help me out with following problem on photo? It’s 7layrs composite and for the first time we are expiriencing this problem with pin holes on sharp edge.

Clave process: 30min 90 6bar 60mkn 120 6bar

Hello, I'm completely new to carbon fibre manufacturing. I will need to manufacture parts in pre preg carbon fibre and it would be nice to be able to make 3d-printed moulds however I'm unsure what filaments can handle the heat in the oven/autoclave.Would someone be able to point me in the right direction or maybe suggest some good alternatives?