You Know I Have To Try, Right?
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- čas přidán 25. 05. 2024
- Happy end of May!
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Hey John, I think it would be valuable if you did a quick design through CAD modeling video. Just a general how to make a part why you did the design the way you did it how to split the model getting it set up for 3d printing. I know you aren't a software channel but I think you inspired a lot of woodworkers to try their hand on 3d printing, but they are overwhelmed with the 100s of videos on other channels for 3d modeling. Just my 2 cents.
I see a couple people in your last video saying it's not strong enough, but without trying it out, making some tweaks here and there we wouldn't learn and we wouldn't be going forward.
Back in the day a lot of people including authoritative voices said man will never fly. Good thing the Wright brother's didn't listen.
I'm glad you got that 3d printer. You're the kind of person that will take it to new places.
The amount of excitement in your voice in talking about 3D printing is so very apparent. I can't wait to see what else you come up with in the future 👍
Hey John, I achieved the same outcome by changing the handle for a straight cut gear and matched that up with another straight cut gear to reverse the direction required. The two gears sit side by side in mesh.
I love this new content transition.
❤ It's a whole New John... Thanks I enjoy ❤
You're a kid in a candy store with this new tool
Love the creativity!
John you should receive an honourary PhD in mechanical engineering.
Brilliant John
Thumbs up as soon as I saw the thumbnail. People short-change PLA strength based on FUD. James on the Clough42 channel did some testing of PLA vs the CF filaments a while back and PLA did better than expected. "Wait, What? PLA is Stronger Than Carbon-Fiber Nylon?"
I think we are past the point of return and John is gonna end up with a few more machines to print. ABS heat holding cabinet maybe. X1 can probably do this? I don’t have 3D printer yet and haven’t much knowledge there.
I would be so interested to hear what Matthias has to say about this. the banter between you to made those competition videos the best things on youtube
Mr DeFernelmont my shop teacher taught us 3 continuous threads or 1.5 times the diameter of screw contact is mechanically is sound. He had all 10 fingers so he has to be right!!!
Really helpful commentary about screw thread engagement. Seems simple but I’ve not really thought about it to that level before.
Always love to see your approach to a problem John, ignore negative comments they're almost certainly from someone that doesn't actually do any woodwork. I'm a furniture/cabinet maker by trade and a 3d printer has taken my game to the next level. I so often go to it for jigs, the accuracy is superb from a woodworkers view point. Great to see you enthused again, cheers
Everything is an experiment, John... Looking forward to see the results!
Stay safe there with your family! 🖖😊
that's some cool stuff , looks like your havin a good time ! right or left handed !hahahaha that was funny .
A trailer tongue jack's threaded rod is left-hand threaded and works perfectly, having Acme threads.
people need to remember that some of the strongest threads they interact with on a regular basis are plastic. pop bottle cap threads! and they only have about a thread and a half! they just are a 4 start thread and they are fairly thick so they can withstand the crazy pressure they are rated too. when it comes to printing threads, you can always make monster fat threads and do a multi start thread. you could even do 6 or 8 starts lol. or you could do an interrupted thread. those threads are hard to machine but easy enough to print
Glad you're enjoying the new toy :-)
And as I prefer OSS I'm happy you've chosen FreeCAD.
I'm starting to wonder if these are "experiments" or if you just wanted pops of color in your shop! 😂😂😂
I'm glad you're having fun John. I always enjoy your videos
That PLE will hold up fine, because you made it stronger with the piece of wood. I'm sure that PLE will hold up quite well when pressurized. It just can't deal with any tensile forces so combining these materials definitely is the way to go.
Makita colored filament!
Subscribed because useful prints are my thing. I wanna see how that wheel holds up.
The cool part of all of this is leaving some of yourself behind when you leave.. something I think more and more about the older I get.
There it is 7:59. That's what we were waiting for. It should be trademarked. 😂
Sweet, looking forward to more advanced 3d prints. Reinforcement is a nice addition. Is there a grander goal in sight? like a mill or lathe?
😁👍
Nice 3D printing experiments! I wonder if the blade gets hot the 3D printed wheel will hold up. Probably if there's a piece of rubber/PU between the blade and the wheel.
Melting point of PLA is about 338 to 356F while PETG is 428 to 500. The plastic can handle the heat but the blade would chew it up in direct contact because of the set. That's why you need the tire. With a large enough printer you could probably print a tire in TPU.
@@Immolate62 That's true but the glass temperature where the plastic becomes softer is much lower. IIRC for PLA it's just 60 degrees C and PETG somewhere around 85 degrees C. Bearings could also heat up and pop out of the retaining mould in the plastic.
If you're resawing a tree trunk or something it might heat up and stay hot for a few minutes during the cut. And deformation may happen over multiple uses until the wheel becomes stuck or wobble too much. Or the band saw blade itself might become looser as it digs into the plastic or it might become concave.
It'll be interesting to see how it will hold up in practice.
does leaving the tension on deform the rubber which could sque the results?
can you comment on why you landed on using polyurethane construction adhesive for most of the glue ups on the 3d printed parts? i often here recommendations for super glue but curious about your view given your woodworking background.
Good talk John. We smarter folk, know it's strong enough and you won't be able to convince the nay sayers. They never do, they only complain.
John: Why is this in _Scrap Bin_?... 😢
On the subject of thread engagement, I was told years ago by an engineering friend of mine that at least in the machining world: the first thread takes 50% of the load, the second takes 50% of what remains, the third takes half after the second. So basically 4 threads is kind of a minimum number of threads, as a generic rule.
This is true when the materials have a similar modulus (like steel bolt in steel thread). But not true when a metal bolt goes into a plastic thread. The steel does not elongate at all compared to the plastic. So all the plastic threads share the load somewhat equally.
@@mckenziekeith7434 Interesting, and good to know! I'll keep this in mind when I get around to getting a 3d printer. I suppose that is why I very often see melted in threaded inserts.
Heh, show something potentially wrong on youtube, ENGAGEMENT! 🤣🤣
11:04 What is the audio clip from? I don't recognize it.
Sounds like Sheldon from _Big Bang Theory_.