Hex Bolt Design (Tutorial)

In this Onshape step-by-step #tutorial @TooTallToby shows us how to create a hex bolt which can be 3D printed.
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Watch the entire SOLIDWORKS User Learns Onshape Series here: • SOLIDWORKS Expert Lear...
0:00 - INTRO
1:31 - create a NEW DOCUMENT in Onshape
2:14 - Onshape Polygon Tool and Hex Head
4:08 - created ROUNDED CORNERS on hex bolt head
7:31 - Shaft for threads on Hex Bolt
8:13 - Layout sketch for LEAD IN to threads
11:12 - Create HELIX in Onshape for threads
15:13 - Sketch a THREAD PROFILE for sweep along helix
20:57 - SWEEP threads for hex bolt
21:27 - Cut Revolve LEAD IN for threads
22:12 - Final model CLEAN UP
23:06 - Export Onshape model to STL
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[@smartmarketers2584]

Forgive me if my terminology is off; I have been doing CAD type design for a few months now, but I had to drop some Kudos here. I looked at MANY KZbin videos. None of them put the finishing touches to the bolt. They used the Front plane stuck with simply sweeping on a Helix and patching the ends. You addressed the plane on the Helix to avoid slop in the threads for the nut. You correctly addressed both ends of the bolt along with polishing the threads. Nobody squared off the tip of the threads to make it more professional (matches metal bolts closer). I took your design and included elements of it to create an adaptor that needs about a 15mm bolt end. The bolt part of the adaptor (shortened to 15mm) allows parts to be removed from my assembly for modifications and upgrades. Although I could have changed the pitch and shank diameter, it turns out your sample worked great for my needs as is. Thanks for putting out this and other videos!

[@TooTallToby]

Awww yeah that is AWESOME!! Thanks so much for the Kudos and I'm so glad this helpful - but most of all I'm glad you were able to Engineer a physical part and make it work! that is so cooool!!!!

[@chrisdetano]

Toby, Outstanding tutorial! Thanks. Can’t wait to see the nut vid.

[@TooTallToby]

thanks Chris! Glad this helps!

[@shaddecker391]

When do you think the nut vid will be published?

[@TooTallToby]

probably this week or next week @@shaddecker391

[@RichPenn]

Nice explanation when constructing the thread profile normal to helix with the pierce constraint.

[@TooTallToby]

Awww yeah thanks RichPenn! Glad this helps!

[@ulirossenbeck5824]

couldn´t be explained any better! thanks 😊

[@TooTallToby]

awww yeah! Glad this helped!!

[@martonnagy5613]

"New 2D Printer" LOL 🙂 Great video btw! Cheers

[@TooTallToby]

lol - it's an upgrade! 😁

[@Jeonyoungjune]

Awesome voice, your lecture is very very clear and informative. Thanks teacher.

[@TooTallToby]

awww yeah! So glad that this is helpful!!

[@drleewhite]

Most bolts are defined by outside diameter and thread pitch. If you start with a cylinder with the desired final dimensions then you can cut the threads with remove instead adding them to the cylinder. This produces a final product that is more useful to make arbitrary bolt sizes.

[@TooTallToby]

that's true and fair - the technique shown here is more for "custom 3D printed" threads but you're right, if you're designing something to fit an existing thread you might be better off creating the OD then using a sweep with the REMOVE (cut) option. Good point - thanks!

[@dennisdecoene]

I just import it from the standard library. But of course that's not the point of this great video. Well done. Learned some new things!

[@TooTallToby]

Nice thanks! Yeah same here- just use a featurescript or import it from library - but lots of good lessons here for students! (especially pierce and sweep profile on a plane normal to the path)

[@dennisdecoene]

@@TooTallToby the pierce command is something that, after a year in onshape, I still don't fully understand. When to use it VS the use command and such.

[@user-lb3cu7ri3r]

@@TooTallToby Hi, can you please explain how to import this?

[@TooTallToby]

What do you mean?@@user-lb3cu7ri3r If you are an onshape user, you can just search the public space for a document called: "3D Printed HEX BBOLT and NUT" then you can open the model.

[@aspectratio703]

I managed to keep up with you - ok, well, had to pause a lot - even though I’m working on the iPad version of Onshape and don’t know if I have access to those keyboard shortcuts (I should try). It printed great! Waiting impatiently for the nut!

[@TooTallToby]

yeah try the shortcuts and see how they work on iPad. I'd love to know. Yeah - NUT video coming soon!!

[@SumoBr]

Thanks Toby, Always learn a ton from you. I was wondering about using .stl also. You might direct people to .3mf or at least .step.

[@SumoBr]

I would also love to see you do a CAM for CNC. I don't know if OnShape would care but it would be cool to see a CAM to Kiri:Moto also. good chance to talk about free 3rd party apps.

[@TooTallToby]

Yeah you're correct - 3MF is the modern format for 3D Printing and definitely more appropriate for most modern 3D printing applications. Prusa has a nice video on this topic, here: kzbin.info/www/bejne/eHKllYVvmZ12ppY Good Call! thanks

[@user-qp2ps1bk3b]

it's a very nice tutorial

[@TooTallToby]

Awww yeah THANKS!

[@bibliotek42]

Loved that!

[@TooTallToby]

Thanks!

[@electronicswithzee2565]

Hi TTT. I would like if you could make an tutorial about designing a work piece that will be able to screw on a existing piece with threads. For example...... I have a vacuum machine with an existing pipe with threads, that normally fits to the machine, via a coupler that screws on to the hose. The coupler has unfortunately perished, and no parts are commercially available, hence the request. How easy would it be to model a new coupler that will be able to screw on to the existing pipe? Would be nice to have a tutorial to see how this would be done.

[@michondr1]

Nice tutorial. However at the end when you notice exporting the part, you'd do it in STL. I'm quite new to 3dprinting, but I'm always exporting in 3MF as I thought that is todays standard

[@TooTallToby]

Yeah you're correct - SumoBr pointed this out too! 3MF is the modern format for 3D Printing and definitely more appropriate for most modern 3D printing applications. Prusa has a nice video on this topic, here: kzbin.info/www/bejne/eHKllYVvmZ12ppY I wasn't really thinking about it because I didn't have any slicer info built into the file - and I'm pre processing in the FLASHFORGE slicer, so STL works fine. But I could also import 3MF into this slicer, so I should have just used 3MF export from Onshape. Good call Mich! Thanks!

[@ec92009y]

Super duper video. THX. I wonder if you actually tried to 3D print this model. I'm concerned it would need a lot of support because of the steep angles on the head and the threads. I would love for you to discuss how to make that model more 3D printing friendly. Again thanks for an excellent video.

[@TooTallToby]

Thanks EC9 - Yup I printed it - the bolt and nut I show at the start of the video came off my flashforge printer. I have a flashforge and a prusa, but I mainly use the prusa for TPU. The threads don't need support. I think because the overhang is very small, the threads have a natural "drafted angle", and the additional angle of the HELIX, threads tend to print without support, and without issues. At least for me. The Part was oriented on the printer with he hex head sitting on the bed, the threaded section vertical (sticking up, as though the bold was sitting strait up on a table). hope this helps!

[@bridgetclinch3678]

You created a sinful fillet on the underside of an object intended for 3D printing, why not a nice to print 45 degree chamfer? The tutorial as always was great though.

[@bridgetclinch3678]

Will definitely be using that plane normal to the end of the helix though, no wonder I have had a few dramas making threads before.

[@TooTallToby]

Lol - yeah in the case of this model I think we can get away with it without needing supports - but I agree - definitely AVOID fillets on the underside of a 3D printed overhang! Glad you liked the NORMAL TO lesson too 😁

[@MWTTAMIL]

its seems like cousin for solid works

[@TooTallToby]

Yeah it's very easy to jump from SW to Onshape!

[@aliabraham6362]

"promo sm" 😃

[@TooTallToby]

Thanks!

[@MisterPibbRMX]

You just say "this" and "that" constantly and use shortcuts without saying what the shortcut is or putting it on screen. Had to replay every 10 secs because you move so fast it's impossible to follow along. Slow down and articulate what you're doing, you spend twice as long discussing "the intuitive way" to do something and then go 10x talking speed when showing what to actually do.

[@animation9649]

lock in bud

[@TooTallToby]

@@animation9649 😁

[@angrygreek1985]

Surely there's an easier way of doing this? Isn't there just a threading tool so we don't have to do all this bullshit?

[@jc84com]

Oh snap it's TTT on official onshape channel! It's crazy how good onshape is for a web CAD. And Toby tutorials are just as crazy. Smart techniques. For simple yet hyper complex bolts.

[@TooTallToby]

Awww yeah! Thanks for the kind words JC! And yes indeed onshape is pretty darn amazing!

[@PedePedersen]

Thanks a lot for the video. I learned a lot. Any date for when the nut video will be up? I am ready for the next lesson. 😊 🔩💨

[@TooTallToby]

Awesome so glad this was helpful! Hoping the nut comes out later next week. :-)