DIY CNC Machine Detailed Walkthrough
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- เผยแพร่เมื่อ 14 ธ.ค. 2022
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You guys wanted a detailed walk around of our DIY CNC machine, and HERE it is. We are sharing some raw (unedited footage) and providing some explanations to common questions about our CNC mill. Don't forget to subscribe for more cool engineering projects!
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Thanks for the additional detail on this! Awesome!
Just a headsup, your Haimer isn' treading 0 at rest, so it probably isn't giving you a perfect zero when actuated. You have to ensure concentricity and a second adjustment to zero the dial.
Great catch. I’m using a broken probe that I had re-glued. I’ve been doing this for a while since they are so expensive and it works great. Since I obviously can’t glue them back perfect I have devised a method to “calibrate” them in such that I get relatively good results but not perfect. Again, great catch.
that was the video i was weiting for
Great content
That is a fine machine gentlemen, well done.
Thank you 😃.
Hello,
When I was watching the first time I was so impressed and proud .. Go ahead, you guys have a great future...
Thanks for your support 😃. Which was your favorite part?
Wow!! Great job!
Thank you 🙏
Love the video and machine build. Would you be able to go more in depth on the flood coolant enclosure and system? Curious on how you designed the enclosure and made it coolant proof as well as how you coolant system works. Also a video devoted to just the ATC would be interesting as well. Keep up the great work guys!
The ATC is a popular request so I’ll make sure to do that. Thanks for your input and support 😃
You guys are genius 🙏❤️
Thank you! Glad you enjoyed the build 😄
Hi (0,005 mm on 500 mm distance) or less tolerance is possible on this machine ?
Congrats, an impressive creation! The three bolts pulling the column and the base together seem sturdy enough. Isn't there a too small contact surface at the tips of the two opposing black bolts pushing the column and the base apart (if I got it right)? Did you consider filling the gap to increase the contact surface?
Great build!! I caught the spindle size, but what size servo motors/drives did you use for x,y,z. Also do you have any issues with any of the axis not being closed loop with using the masso controller? I thought about using that controller myself, but skeptical not being able to account for following errors etc. Thank you!
For the heavy spindle head, you can use the same process as a roller garage doors that have two winded up spring that is tighten and held to the bar. It makes lifting easier for the motor and cost less and without all the heavy weights.
Hi tommy, thanks for your suggestion. Wouldn’t a spring mechanism have different counterforce at different heights though? This might cause a problem for the Z axis motor, where as the implemented method provides a very consistent counterbalance. Thoughts?
Cheers,
Dave
Thanks 😁
Absolutely 😃, did any particular part of the video stick out for you? Cheers
What is the mix you used for the epoxy granite? Percent of epoxy to sand gravel and dust would be much appreciated.
Very nice , im contemplating something similar , but more cost effective
Sounds like fun. Good luck! 😄
Add a central lubrication system, you wanna keep all those moving stuff properly lubricated, especially with the massive weight. you can watch Macro reps video on cent lubrication. he uses CLP 100 (and pls make a video about it too :) )
Thanks a bunch for your input. I have thought about it and will definitely be implementing it in the future. looking forward to your comment in our next video 😉. Cheers, Dave
Where did you get the belt driven ACT spindle unit? And also what brand is that spindle servo?
I got it from china through Alibaba
Where did you get your rails and ball screws and how did you size them?
I got them from aliexpress and I sized them by calculating the anticipated forces and masses of the machine and getting something larger than the minimum needed. These are definitely an overkill for this smaller machine. Cheers, Dave
Atc video would be amazing
Great build!!! What spindle cartridge are you using? Can anyone suggest suitable spindle cartridges for such a CNC build?
Hi can you elaborate on what you mean by “cartridge”? Do you mean the spindle standard? Cheers
@@ActionBOX nevermind, I found the unit you purchased on Alibaba. There are quite a few belt drive spindles available there. Thanks for the reply.
Hi, which software are you using please.
I'm super impressed by this build, and am thinking of building one myself. I'm keen to know what size HGR rails and what diameter ballscrews you used? Thanks for any info you are willing to share.
Thanks! If you haven't already, you should check out the full build video where we highlight so more details on this machine. th-cam.com/video/FkGdJMVJ1Fc/w-d-xo.html
What coolant are you using and does it stink up your whole shop?
I purchased coolant from McMaster and it doesn’t “stink” up the shop per se, but it definitely fills it with odor. I make sure the ventilate the room very well regardless as to not breathe in the fumes. Hope that answers your question 😃. Cheers, Dave
Man I would love to do this. how much do you estimate you are into this build for in parts alone? what would the cost be to just buy a comparable machine?
Check out our original video of the machine. It answers all these questions and gives much more details. Cheers
What kind of tolerance can the machine hold? Can it maintain 0.01mm?
It can indeed.
@@ActionBOX and 0,005mm on 500mm distance ? or less is Possible ?
Hello dear
I’m interested in your design mould, do you have service do mould ?
No we do not. We are just two hobbyists who like to invent/design and build machines. Cheers, Dave
How to ensure the rail to be straight?
In which axis? Cheers.
use a granite angle and put a "pupitast" on the axis you want to check
Que bien
Gracias amigo 😃
Do you have a parts list?
🙋♂ Parts list please! This is just such an incredible project. 🤯💗 I would love to possibly build one. The anchors-into-epoxy-gravel system is brilliant. I'd love to at least understand what the components are that it entails. Having just each full product name along with a link and quantity, and if you could, an image, last-known-supplier name, and last-known-price, would allow us to overview really well and also be able to find each part again reliably as the specific aliexpress/baba links rotate and break. Would be really helpful as a reference. It would also combine amazingly with any CAD files you might be comfortable to release! Thank you so much!! Again, just such a brilliant device. Incredible work!
I take it back, that is probably putting too much pressure on the whole situation.
Really, I'll just say: Any of the artifacts that you produced while designing the CNC, such as any of the old CAD or BOM files, would be super useful to the community!! :) just to better understand this machine.
IMO it's the best example on YT of this class of machine, so it would be truly amazing to have the reference material for specifics!
mh i dont think the counterweight is the best option here, i think it would be better if you used pneumatic pistons connected to a big reservoir to counteract the weight of the z axis. One negative is, it has twice the mass and also the maximum acceleration should be 1G because otherwise the counterweight would fly and bounce back down. only my 2 cents :P
This is great input. I never considered the effect of this system on maximum acceleration so thanks for that. That being said, I didn’t way 200kg applying a torque on the column (z axis) pulling it down, which is one reason I decided to go with the counter weight. I hope that makes sense. Thanks again for your input 😃. Cheers, Dave
1 G in such a small machine Is pointless in my opinion. 2500 mm/S2 Is scary enough.
@@marson8870 it depends on what you do, thats right. If you can raise the acceleration while also holding tolerance and surface quality, it can drastically reduce the cutting time if you have small complex contours. What i personally find scarier is when the maximum velocity gets raised.
CNC lathe next!
Half of it is already built 😉. Stay tuned. Cheers, Dave
@@ActionBOX oh you dawgs! Can't wait.
Are you engennier?
Turn cnc machine home ?
Yup, we are working on a turning center aka CNC lathe right now. Cheers, Dave
first
👍🏻
Homemade cnc, start by using a waterjet..... wth? Nice machine and good work, but not homemade.
Well it is, what if they owned the waterjet?
@@dejanbrice8774 not home, for sure
DIY is the better term?
Hahah, first of all you are definitely right 😃 . I will share though that there are many websites where you can upload your DXF files and have them laser cut and shipped to you within a week, so this should not stop you from building your own CNC machine. I was resourceful and found access to water-jet cutter instead. If you want to make this at home you definitely can, but it will require lots of problem solving and thinking. It’s not an off the shelf solution. I hope you enjoyed our videos regardless.
Cheers,
Dave
@@kurtlindner yes.