Building a 3D Printed Carbon Fiber Bicycle Part 2
ฝัง
- เผยแพร่เมื่อ 10 ต.ค. 2021
- Fixing a potential major design flaw and test fitting the rear wheel for the first time.
I'm designing and building my own bike frame using carbon fiber and 3D Printing!
Follow me on Instagram for more - / designbydave_aldrich - วิทยาศาสตร์และเทคโนโลยี
Excellent surface modeling skills. This bike is starting to look sick!
Thanks! The final version will have some cool cosmetic features too that should make it stand out a bit more.
@4:53 your cat is thinking you spent way to much CAD time and not enough CAT time
It's fun to see you go through similar challenges we have seen in the last 20 years of developing and building custom bikes. There are a lot of things I could comment on but I have the feeling that a lot of these things you will have figured out by now.
Just one thing (that you might already know) about the aluminium bottom bracket insert: Be sure to never have full contact between the carbon and the aluminum. Always have a (thin) glass layer in between to prevent eroding the aluminum. Carbon on aluminum with some (salt) water will develop electrical currents that erode the aluminum away and I have seen this happening quite a few times over here with bikes that are being used all year (especially late autumn or early spring when the roads may be sprayed with salt)
Thanks and yes, I am fully aware of galvanic corrosion.
You could make a jig that holds an axle at one end for the dropouts and a tube that runs up an clamps to the seat tube, should help you bong everything together nice and square.
Yep thats exactly what I did
I'm enjoy watching
Thanks so much
cat on background is beautiful
I figured the internet would approve : )
First of all, fantastic video please don’t stop!… During pandemic I purchased a tag-along bike for my son that is on AUTISM spectrum, however he is getting too big for it and I have been designing a new one custom for his special needs and I’m researching if I should print molds and produce the entire frame or to use
PC Carbon for joints only… or even print the entire frame in parts, join them and do a wet lay over… Any chance I could reach out show you the project just for a few ideas?
Thank you!
Hey Daniel thanks for checking it out. The project is coming along nicely for sure and I should have the next video up next week. Maybe one or two more videos to finish it up.
Sure, shoot me an gmail - designbydave
Hello david. Interesting work, thanks for sharing. I take this opportunity to ask you, what software tool do you recommend for design? . Greetings. Jorge.
Thanks for checking it out. I's using Solidworks on this project but it could definitional be developed in more "consumer" software like Autodesk Fusion360.
Thanks
Thank you for you great videos ! Really nice project ! And thanks a lot for the bike, I will try to replicate it for my father birthday ! I have a question man, I just have seen a video from Clough42 where he try to breaks 3d printed parts and figure out that PLA is stronger than reinforced carbon materials, do you think those parts could be printed out of PLA ? (maybe with some carbo/epoxy layer on top) That would make it even cheaper to build at home ! But maybe it is dangerous .. idk
Thank you again, have a nice day
PLA is not suitable for an outdoor use item because of its low glass transition temperature. I printed the parts for this bike in carbon fiber reinforced polycarbonate which is stronger and stiffer then regular PLA.
Okey thank you !!
What is the overall weight of the cycle
19lbs
Brother did you have the print file
thangs.com/designbydave/DBS-3D-Printed-Carbon-Fiber-Bicycle-Frame-40231
im doing this but carbonfiber corrodes some metals put fiberglass between metal and carbon fiber
Galvanic corrosion isn't nearly as big a deal as the internet seems to think it is. Probably quite a lot more important for say, aircraft components, but not here.
Not all metals will corrode with carbon fiber. It's mainly aluminum that can be an issue.
There are many ways to insulate the carbon from aluminum, a thin layer of fiberglass is one. Usually though, a thick layer of adhesive like I use here is sufficient. Also, if the aluminum is anodized then the issue is significantly reduced. Also, also, the 3D printed material I'm using has only 20% chopped carbon fibers (by volume) compared to more like 60% with traditional carbon fiber laminates, so significantly reduced carbon to cause corrosion.
The only aluminum parts being bonded to carbon here are the bottom bracket and the dropouts.
I need 3D files thinks
They are available. Check my other videos
I’ve been thinking about a way to integrate these batteries inside a frame th-cam.com/video/ckCfNUTPFMs/w-d-xo.html this gives me some ideas
Cool, yeah there is plenty of battery space inside the down tube (largest tube) on this frame.
I watched you're ebike conversion video and you seemed to be having fun the second you started riding! Bikes are great.