3D PRINTED VERTICAL MACHINING CENTER FROM SCRATCH
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- Опубликовано: 1 июл 2024
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I've built a vertical machining centre or what some may call a CNC knee mill. It is mostly built out of 3D printed parts and aluminium profiles. I had to do an insane amount of cuts drills and taps on this build but I think the end result is very much worth it.
Apart from the XYZ movement it has a lifting XY table that allows for very tall parts to fit in the work area and a tilting head to do weird chamfering and slotting jobs. The motors are Nema23 attached to some ball screws and MGN12 linear guides and blocks.
I'm already aware that I should have protected the guides and the ball screws from the chips while milling. I'll try to add some covers in the future.
It is way faster cutting through steel than my previous all metal CNC too so I'm pretty sure it'll come in handy for future projects. As always let me know your thoughts in the comments.
More info about the files for this mill can be found here:
ivanmiranda.com/products/3d-p...
More info on the board I used in the build can be found here:
www.duet3d.com/Duet3Mainboard6HC
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CHAPTERS:
00:00 Lifting table
02:41 XY Axis
04:21 NordVPN
05:29 XY Platform
07:42 Frame
09:00 Z Axis
09:47 Final assembly
11:39 The boring wiring
13:05 Moving and homing
14:12 Testing 
Наука
Make 3D printed CNC knee mill -> Use 3D printed CNC knee mill to make and replace 3D printed parts with CNC metal parts -> 3D Printed Metal CNC mill.
Use metal CNC mill to achieve world domination...
@@ivanmirandawastaken I knew there had to be some hidden purpose behind your insane projects. Now it all starting to make sense.
@@ivanmirandawastaken You're probably going to need some spacers.
@@ivanmirandawastaken 3d printed world domination
@@ivanmirandawastaken ROFL - I love this community :D
Insanely impressive! I don’t think a lot of people appreciate just how incredible your designs are.
Thanks!!
Ivan just a thought. The number of profiles that you drill and tap, sounds like a new machine is required to automate such procedures👍
Yeh a tapping arm would do that, you could easily make one with aluminium extrusion and a couple of gas struts.
@@zakquddoos4641 A flexarm would only really be useful for drilling and tapping the faces of the extrusion, not the length of the extrusion; though a flexarm isn't that useful in making the process more efficient. A better solution for the lengths would be a horizontal drill/tap setup, where the extrusion is butted against and endstop and a horizontal stop, while using the table for a vertical stop, for placement, with the spindle on a guide and spring for when drilling and tapping; all you'd need to do is rotate the extrusion to dill and tap the next hole, as each predetermined stop will accurately locate the spindle for the next operation. For the repeated drilling along the face perpendicular to the length, a setup on the drill press can be used, all it needs is a pin for the endstop and a second pin that'll also locate the previously drilled hole to setup for the next hole being drilled, as this is a pretty basic operation. The only use a flexarm would actually provide is a preventative for repetitive strain injury from drilling and tapping each hole with a hand drill.
@@xaytana Thank you. That sounds like a plan. What would you use to power the chuck suitable for drilling and them tapping?
Can we just take a moment to appreciate that this man uses a drill for tapping and never breaks the tap? That takes some serious skill.
Blows my mind every time!! Using a Tapmatic in a drill press so its square and I still break taps and its clutched and self-reversing!!
Not that difficult with a spiral cutter and just aluminium. The combination is quite forgiving.
I do it with a drill on ar500 now that's Sketchy
@@kylec71ify Somehow I doubt that. Hardened steel is a pain in the ass to cut. Even with the right tools.
But it's only alu-minimum
cool project Ivan! 🤘😎
Thanks 🙏
I agree.
Very cool project. But you are really losing the hobbyist/tinkerer vibe with the professionalism you achieve.
@@ivanmirandawastaken this is the most entertaining cnc build Ive seen many technical youtubers dont understand the value of music
The amount of aluminum extrusion that Ivan goes through is what keeps that industry booming. Keep up the hard work Ivan! This is one of my favorite channels
Ivan, the entire build montage was fantastic!
This is awesome! However, I will say, as someone who owns an actual 3 axis CNC knee mill, you really should have put the Z axis movent in the knee....while yes, you can move the knee up and down for larger parts, but having such a limited z travel (as I do with an automated quill), it's extremely limiting with respect to cutter length and retract/clearance heights...very annoying....the next thing I do to mine is going to be put a ball screw in the knee, add two gas struts to offset the weight, and cut a hole in the casting to run a belt drive go the top of the screw....
YES! I've had plans to diy a cnc milling machine for a year or two now and seeing this proves it's possible. Thanks for keeping my dream alive
Yeah!
Man I love this guy’s videos. Its so satisfying to watch stuff come together and his music choice is great to go along with his montages.
When the spindle arced to the aluminum plate, you actually built a EDM machine you just didn't know it.
Exactly 😉
@@ivanmirandawastaken Electronic dance music machine? Excellent!!
Electronic direct mail machine?!? Woah!!
Can we all just take a moment to appreciate the tolerances to which Ivan needs to keep for these projects and that he does most of it with a hand drill. Awesome :)
Ivan, I just need to say thank you again for all your awesome videos. I really love how you improved over the past years. You truely mastered your craftsmanship AND video editing. Love your content so much. Everything is just perfect. Thanks!
I am just upset I never heard "Spacer!" during the entire build.
And he used a hammer AND a mallet.
I love the 80s style music in the background! Awesome video!
"It was pretty long, it took me more than two weeks to assemble everything". Well, it would probably take me two years, so...
it blows my mind that our society is so rich that I can view high precision engineering as entertainment.
should really rough out parts before using a ball endmill. Balls can only feed at like 2/3 or less of a square endmill.
It this case I don't think it makes much difference since his frame is not rigid enough to handle the cutting capacity of a typical end mill. He needs to keep his cut depths and feed speeds low to get any accuracy. The aluminium is flexible.
The amount of work and the montage is out of this world!
Nice builds but there are many problems that I see with your builds FYI I have been building cnc mills for the past 10 years .
1 it you fill the aluminum extension with epoxy granite that will help with the vibration that will increase The CNC performance .
2 add a support beam at the front of the xy carriage that will make the Bed more flat .
3 Mill the connecting surfaces flat ( where the Linear rail Is mounted )
4 add steel plates in the z axis of the spindles.
5 buy a metal spindles not a wood spindle like you are using the Will improve the tolerance and will last longer.
Damn Ivan, your editing is just getting smoother and smoother!
Ivan, this is amazing! You keep evolving yourself and your channel too. I've been subscribed for a while now, and you still manage to amaze me everytime.
I don't have a large workshop, just a small shed, a 3d printer, and ofcourse some spacers!
But you're still a great source of inspiration, keep up the great work! 🤟
I have watched uncountable projects that involved designing and making tools. This one is my all time favorite. And of course the red PLA is the icing on the cake.
You can save a lot of time if you first make roughing passes with a flat end mill and then move to a ball end mill (with a much faster feed speed). Also end mills are much more efficient at working with their sides, avoid milling downwards at all costs. The surface finishes will be much better, you will be able to use faster feeds, you will significantly reduce the chances of the end mill clogging up (and breaking) plus the tool life will be longer. You made yourself quiet a tool, really interested to see what you will make with it, good luck!
Great video Ivan! The build montage is amazing to watch :)
This is insane! Keep up the good work!
Thanks!
I am in near disbelief that this worked so well. Yours cuts damn near a clean as my iron mill. I'm impressed!
Your time lapse editing skills are out of this world
Very impressed. I love to see how your skills have improved with each build. This machine is definitely going to be my next project.
Impressive! I can’t imagine the project work behind it, great work!
Wow, that's amazing man!
You already incorporated the 4th axis. Love it all. Keep going my friend!
Such an awesome build! You should try to avoid slotting with your endmills as much as possible, it's horrible for surface finish and chip evacuation/tool life. Also on the hemispheres you could try running a roughing pass with a sharp corner endmill, or one with a small radius. Then come in for a finishing pass with the ball nose.
the one thing that amazes me is how much energy you bring to each video well done keep it up
This is a crazy project & I LOVE IT!
Absolutely professional build quality, and I love your enthusiasm. I also appreciate that you lrave in the "oops"'s.
Milling and spark erosion at the same time! Cool
Seriously amazing!
And super glad there's no more sparks😄
You continue to amaze me! Keep up the great work!
IMPRESSIVE work, congratulations man!
Nice CNC machine build. Try a slightly smaller ripper bit for rough cuts, then the right size end mill for the finishing pass; that's what I use now and it eats through aluminium even with only a 150W spindle motor and finishes nicely without changing the G-Code. Also, you may want to look at getting a septic tank aeration pump instead of a compressor to blow the chips away, I tried this and it works really well, plus is only just above 30dB and will run continuously for years.
Excellent music choices, makes watching your videos even better! :D
I'm very impressed that you can cut steel!
Real life iron man..
Thanks for bringing these kind of amazing stuff 🙏👍
The spark of creativity
Amazing project and amazing video !
Ivan, fantastic video as always. As a machinist and engineer, as soon as I saw the spark on the aluminum I thought 'Oh something shorted....' I can't believe that spindle isn't grounded though. Not sure I would be comfortable using that in the long run but your addition of a grounding wire is certainly a good improvement!
I would love to see this mounted on a proper base (maybe cast concrete? maybe even with attachable dampers?) just to see if it effects part quality or not!
Wow! Dedication! Thanks for sharing this wonderful project!
Great project - amazing what it does using 3d printed parts, now you can cut them properly in aluminium 😊😊😊
Even though you solved the spark problem. You should keep the fire extinguisher around for good luck.
I have three around the table just in case
Nice job, I have never thought of making a knee mill!
Congratulations! This project beats them all 👏
some supplier: so how many aluminium profiles do you need?
Ivan: YES!
Beautiful and very interesting project... Congratulations for the result, it's beautiful!
What a monster build.
Great build video and good demonstrations too.
Love it 👍
You should make an automated tool that can produce these tapped extrusions that you use in every 3D printed project.
And cut them to exact length at right angle
OMG, the machine that you make are insane! Love it
Can we all just take a moment to appreciate the SOUND of those Nema23's as they spool-up into that whirring symphony of CNC magic... Mmmmmm... SO good!
I have made a large cnc mate big thanks for the idea
It is beautiful. And it is the only meal I've ever seen that you could pick up and put in the trunk of your car. You are amazing Mr Ivan
I cannot lift it by myself though... almost but I'd be gambling my back
A recommendation for bolting down linear rails: they are likely to be much straighter than what you're bolting them to, so rigidly bolting the 2 parts together will warp both parts. Use a stack of Belville washers on each bolt (6 will do, alternating them to face opposite directions) and tighten the bolts up only to the point when the washers are partially compressed; you'll need to use thread lock on the bolts to ensure they don't loosen, but you rails will remain absolutely straight.
Cada proyecto tuyo es una odisea y un gustazo de ver.
Uno de los mejores canales de youtube sin ninguna duda.
Nunca cambies.
2022 and stil making amazing projects!! continue to inspire bro! your projects are awesome.
It is a machine. It is art. It is beautiful. Another wonderful job Mr Ivan
Thanks!
This is absolutely awesome. Thank you for sharing this.
Nice JOB. You make it look so easy... =D Glad you got into other materials besides plastics. Thx for sharing all this on youtube. I spent weeks shimming up my lathe headstock to get it to run true... Anyways, the editing is amazing. Keep up the good work.
Red and black
That's perfect!!!
I would throw a Fog Buster mist cooler on there. You’ll massively improve the machine capabilities. Gotta get some
Chip evacuation
Especially for Al. Chip welding is a big problem for that material.
Very late, but don’t you know it’s a very bad idea to use a coolant mister in a non enclosed machine, coolant is already caustic to your skin. So why would you want to breathe that in
I got the same spindle on my mill I using a 6mm 3 flute HSS endmill with a air blast, running at 10,000 RPM and 1200 feed
Cool. Interesting combination of plastic and profiles.
look at 16:16 the washer is moving,amazing thing to build wow loving it so much
Another crasy project.... Good job Ivan 👍
Absolutely brilliant. Really impressive. I’m sure this old Tony himself would like this too. 😃👍
With That Knee CNC Mill you can easily swap out the parts that cause the instabilities you experienced or make new machines with stronger or truer 90 degree angles easily. That is a really good project, All I need is a heavy duty chop and mitre saw to do that and schematics
I have a mill rrally similar to this ivan i gound that cutting the speeds in half from 24000 RPM to 12000 helped amazingly
Ivan Miranda is my mechanical hero
This is was really innovative. Everyone doing router style but VMC are just better for cutting metal. Really nice.
routers are so overrated!
@@polviaortega3709 i mean makes sense. If you go with aluminum profiles you can not expect crazy precision. The frame is not death flat anyway. So router application fit better. I made a router while back but since I machine mostly aluminium and steel, I have converted a bf20L to CNC, with tons of features. Still hobby machine but much better for my application. A router is really nice for big not tall parts, preferably wood and plastic. If you want one efficient in metal then you need to invest on the frame. Machine aluminium and epoxy granite if possible. Linear rails ecc...
@@Ale_Lab Thats what I meant. Routers are cheap and easy to manufacture but what really gets the job done, specially in metalworking, is the VMC. I would love to se more DIY and hobby VMCs instead of routers.
@@polviaortega3709 me too. I have converted two small VMC so far. Use one daily and it's really nice
Not sure which progresses the most, production value of videos or ridonculousness of projects .. love it!
I love this video editing style!
Great film. Well edited. Incredible build. Fantastic. Mahalo for sharing! : )
Cheers!
You always upload when I am on holiday:)
Fantastic work, Ivan! Really amazing machine! 😃
Stay safe there with your family! 🖖😊
That is quite an incredible build!
Ivan you are crazy and i love it! I don’t know if all this came from inside you head but it is amazing!
Love you channel man! You inspire me to improve my skills so I can build cool stuff too!
Very very cool Ivan might I recommend a piece of literature to help with your machining. The machinists handbooks has so much great information in there it is prefect for most of what you are going to need. everything from calculating feeds and speeds to calculating gear geometry and material sciences truly a required bit of kit for anyone who wants to machine
I have been with you from the start.! You are a absolute monster!! What a master craftsman you are 💪😎
Thanks a lot!! Cheers Brian!!
Very much worth checking the grounding on Chinese made spindles; even the popular round body spindles (that are often sold with a VFD) have 4 pins (U,V,W and Earth), but in my experience the 4th pin is usually connected to nothing - i.e. even if you ran a U,V,W + Earth cable to the spindle, the metal spindle body will not be grounded.
Always an inspiration.
Great design!
Thanks man!
It is so bad
Well done Ivan!!
Hey there! Two suggestions for lubricants that won't catch fire: Cool Tool II is got for squirting right out of the bottle or for applying with a brush. It's good for tapping too. Plan B is a soluble oil (there are dozens; I like the stuff sold by Mobil) you can mix with water and spray with a bottle or with a spray mist unit.
This really cool. It would be even cooler if you used this machine to machine more ridged parts to replace the original ones. I think this would end up being a great video series and the results could be a stronger machine with higher tolerance capabilities. “The machine that made itself better”. Cheers for the video again
If you plan on doing a lot of cutting, build an enclosure and use flood coolant instead of just spray. It will give you a much nicer surface and allow you to speed up the process. Not to mention that flooding will wash away the metal chips so they are all in one place for easy clean-up!
Also the bottom right spindle bolt is not tight, you can see the washer spin freely there in the video.
wow. i didn't expect it this big. nice
The performance on aluminium and thin wall steel is far better than I expected at the beginning of the video.
All that must happen now is to fine tune all the axis (90 deg to each other) and maybe some gussets to stiffen where needed and you will be good to go.
Congratulations ! !
Next? Maybe a 5 axis mill ? Or take over the world ?
Or both...
Lovely mechanical design well done
Definitely going to make this
You definetly earned a sub here, also with giant 3D printed stuff! Awesome man
your editing has come a long way!
This is just great! Now I want the same one! Greetings and respect from Russia!