The Open Source Desktop Mill - Milo v1.5 Millennium Machines at SMRRF

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[@tanithrosenbaum]

Aluminium! Yes

[@AnotherCG]

Aluminum Murica!!!

[@socialzombie94]

Finally, we're breaking into the realm of high quality but affordable small mills. Just need a decent 5 axis now of similar size for less than $2k.

[@DietzSDA]

+ CAM Software for it that is just as affordable, i really want to put a 4th axis on my router but the step from 3-axis to more than 3-axis cam is huge :-/ (unless i overlooked something obvious)

[@jakeengland1430]

@@DietzSDA yeah but its also the most powerful jump too, 3 to 4 axis is huge, 4 to 5 axis is big but not as big but also waaayyyy more complicated than 3 to 4 axis. Also hi I'm the guy who designed milo and started the project

[@Mr_Yod]

There's a guy that's building one. Awesome CNC Freak: kzbin.info/www/bejne/foC3po2ceNyta6c

[@muddasarakram419]

5-axis? Not that simple as they are export controlled.

[@Basement_CNC]

thats just delusional 😂, i recently built one, came out to 4.5k. Any chaper and you loose bigtime in terms of useability

[@dave20874]

Looks really interesting! I need to keep an eye on it. Glad to hear LDO motors is supporting it.

[@chipwallaceart]

The term aluminum was created by the man who first identified the existence of the element, British chemist Humphry Davy. Davy originally referred to the element as alumium but ultimately altered the name to aluminum. The term aluminium emerged around the same time as Davy’s aluminum. This term seems to have been motivated by a desire to give the element a name that sounded more like classical Latin, which was in line with other known elements at the time whose names ended in -ium, such as magnesium and calcium. For the rest of the 1800s, both aluminum and aluminium were commonly used to refer to the element. Beginning in the 1900s, preferences for each term began to split among users. Aluminum became the more popular name in American English, and aluminium became the more popular name in British English. These preferences are still common today, but most chemistry organizations recognize both terms as acceptable.

[@NigelTolley]

The Rules are now that all metals named will end in -ium. So that people know it's a metal.

[@auroraRealms]

Wow! finally sombody who got the x-axis right on a mill with linear rails.

[@mfeldheim]

Awesome. This will give me the machine to mill parts for my 3d printer which in return will print upgrades for the CNC. Sounds like a win-win 😅

[@3dpandme]

AHH this guy knows the cycle!

[@Basement_CNC]

well, sadly no most 3d-printer parts need several setups and special tooling.....even most simple CNC parts need at least 2 setups. i have both, had the same idea, 3ax is pretty useless for most projects i do, and eve if you build a 5ax machine, since there an litearlly 0 on the market, you need Software that runs several thousend dollars a year add to that , the fact that cnc milling is about 15x more complicated as 3d printing, so youll sink sooo much time and money into that, ist totally not worth it

[@evanbarnes9984]

This looks awesome! I'm putting this on my list of projects to make once I move to a place with slightly more space. I think this for small metal parts along with a PrintNC for large wood parts would be an excellent combination of tools.

[@arekx]

PrintNC does aluminium, too, so one tool would work. Are there any advantages of this project over PrintNC? (asking because I also plan to do mill and play with it)

[@jakeengland1430]

​@@arekx ill give you the short answer, geometry wise its a lot more rigid, the build is far easier and as a platform far easier to mod its easier to bootstrap and because we don't have a giant lever for the Z axis you don't need to contend with tool deflection as much. For transparencies sake ill give you the Cons as well, far smaller work area, if you're going with an enclosure for milo its not gonna save you much room over the PrintNC ,composites require a water bed to capture small fibers that would otherwise get into your lungs, because the bed on milo moves it can't have a water bed on it. If you want to do more wood and or sheet good stuff go with the PrintNC its a great project run by a great guy, If your main goal is aluminium and potentially some mild steel and you don't need the big work area then go Milo ,I just want to make sure you get the machine that's best for your needs. PS I designed Milo

[@arekx]

@@jakeengland1430 Thanks! Will have to look (as I don't need a big work area), especially how easy is to source things in EU for it (for me who doesn't have any mechanical workshop).

[@JackT9595]

Found the millennium mill project like 3 days ago so it's really great to see some more information. Would be really interested to try this once a kit is available in the uk

[@jakeengland1430]

soon ...

[@JackT9595]

@@jakeengland1430Ooh you tease

[@DavidRavenMoon]

As an aside, British chemist Humphry Davy who isolated and named the element called it “aluminum” in 1812. Later in 1812 a British scientist, Thomas Young, wrote an anonymous review of Davy's book, in which he proposed the name aluminium instead of aluminum, which he thought had a "less classical sound". Both spellings were used. In the 1830s, the -um spelling gained usage in the United States. 😃

[@cathalwhelehan]

would this be able to mill brass billets or would a bigger spindle be required?

[@sixdegrees6434]

Aluminum is the original pronunciation as labeled by its founder. A British chemist later changed it to aluminium.

[@leesmithsworkshop]

I had a good chat with these guys at SMRRF. I own a small Workbee 500x500 CNC and the software side of that is very poor, no preview of anything before hand so seeing this really made me want one. I wonder if I could take parts from the workbee.

[@3dpandme]

You could and as the biased guy in the blue hoody I'd advocate doing just that! On the flip side if your only issue is the UI! Just replace your control board and the firmware. Entry point for Linux CNC which was what the show machine was running is about £180 (board + RPi 3) if you can use your existing stepper drives

[@leesmithsworkshop]

@@3dpandmeit has a duet and nema 23. Perhaps I should upgrade the ooznest firmware, but it has to be incremental so going to take a while.

[@3dpandme]

@@leesmithsworkshop totally understand that!

[@hazzalandy]

I think i might build one as a manual mill, looks a nice size

[@jakeengland1430]

The speed of the generic high-speed spindles we design for is a little too fast for manual machines, you would really need to be cranking the handwheels to get an appropriate chip load, and you'd also need to get a DRO as we don't have any way of showing distance moved in manual mode, a decent DRO will probably cost you more than all the cnc electronics in the standard build

[@hazzalandy]

@@jakeengland1430 Thanks for that, and Merry Christmas. I'd clocked the need for a DRO, but if I, say, bought a 2nd hand mill I'd retrofit one anyway so any manual mill has that cost. I'll keep you posted if I do, the beauty of open source is it's all tweakable

[@BobCollins42]

So this is the Voron of CNC mills?

[@erikcramer]

I'm really curious on the workflow with the probe. And how that would work. Also the dro they are using. Or it doesn't need any because it's digital?

[@jakeengland1430]

Just a heads up, this machine is Dave's personal rig he's running Linux cnc so his probing is different to the firmware that we actually develop for which Is RRF, probing in rrf is just done via a macro, you can edit them any way that you want and we are working on some cool stuff in the background which we'll hopefully update people with in the next few months.

[@erikcramer]

@@jakeengland1430 would it work with a fluidnc board also? So you wouldn't have to buy a extra board if you have one lying around?

[@jakeengland1430]

@@erikcramer oh yeah I ran one of barts (the guy who makes fuidNC) boards on the version of milo before this, you don't have to follow the spec exactly its just what we support is all, feel free to mix and match as much as you want.

[@harambeexpress]

I guess this machine is on short-list now.

[@vim55k]

how large blocks it can process?

[@jakeengland1430]

Standard build size is 340 X by 160Y by 60 in Z, if you get the LDO kit you'll get a mod called FMJ which will boost the Z to 120mm and you can expand the X as far as you like, we recommend no more than 500mm without some kind of upgrade, Y unfortunately cannot be upgraded,

[@vim55k]

Thank you ! ​@@jakeengland1430

[@wanglydiaplt]

Hmmm we got an LDO Voron kit last year; it was a total LEMON!!!

[@juliusvalentinas]

Agreed, bad frame quality to begin with, bad way of mounting frame parts

[@paradiselost9946]

pfft. i now say aloomy-knee-um just to mess with everyone.

[@evanbarnes9984]

Let's compromise: aliumiunium

[@3DMakerNoob]

I’m very ok with that 🤣

[@geekgee]

🤦‍♂️😆

[@daight12345]

the machine is running Linux cnc in the showcase kinda odd they dont even mention that

[@jakeengland1430]

Thats Dave's personal rig, he runs Linux CNC on his machine through a remora port, its still very very beta and we don't recommend it for new users, most of our demographic comes from 3d printing so RRF is way easier for them to set up and understand, we're working on supporting RRF until its at about 90% feature parody with what you can do on LinuxCNC

[@3dpandme]

AHH yes sorry I wanted to talk about the standard stuff not the specific goal I am personally chasing within the team. :) we hope to offer full Linux CNC support and config but it is in no way ready for the masses yet!

[@shamancredible8632]

It's aluminum, tea drinker

[@Sean_but_Not_Heard]

Aluminum came first :)

[@psxtuneservice]

If only it could do steel

[@jakeengland1430]

Hey I'm the head designer for milo, whilst we only guarantee aluminium one of our team members has tried to mill some high carbon steel with some decent results so much so that we believe that with some tweaking mild steel should be pretty attainable, you will however need 2 mods, FMJs and HOIs, the LDO kit will come with FMJs and you can Mill HOIs pretty easily.

[@hd-be7di]

It probably can if you have the right tool-bit and slow down the carving moves.

[@jakeengland1430]

@@hd-be7di aha that's where milling is very different to printing, you need to hit minimum speeds to form large enough chips, all the heat during a cut should be taken away in the chip itself you see so going slower can actually hurt performance this is called chipload , what you can do however is is take lower depths of cuts and use less of the diameter of the tool on each pass. Like I said in a reply earlier we believe with only a couple of common mods it should be more than possible.

[@hd-be7di]

@@jakeengland1430 Ohh wow I had no idea about the finer points thanks for the explanation! Obviously I've never used a CNC mill as you can tell :P

[@hd-be7di]

@@jakeengland1430 What does "HOI" stand for? I assume FMJ means full metal jacket?

[@articex]

Lost me at aluminium.

[@tanithrosenbaum]

It's the globally common name for what people in the US tend to call "Aluminum"

[@hypnoz7871]

95% + of the world population live outside of the U.S. Deal with it. It"s called Aluminium.

[@Festivejelly]

doesnt look that rigid. Given how cheap the Genmitsu machines are I think they are a better option tbh.

[@jakeengland1430]

You're kidding right ?

[@klave8511]

Depends where you look. The parts shown look great, no chatter and deep cuts. Also during the interview it became clear that machining aluminium was straightforward. I’m sure you have to take care but the overall impression I get is that “it works”. I’ll admit I have questions about those skinny leadscrews and small steppers but there’s no denying it works, along with the fact that they’re confident enough to be showing it cutting in public, no hidden tricks, says a lot!

[@arbjful]

@@jakeengland1430No actually that’s a valid point

[@arbjful]

@@klave8511it will work, but for how long is the question. I would have preferred ballscrews, more beefier linear rails or rods. The milling surface should be heavier I think. The CNC router styled machines get way by using a wide frame made of aluminum, and reinforced by mdf on aluminum rails, here again depth of cut cannot be very high

[@dwright361]

You better go back to the periodic table of elements and recalibrate your spelling! That mill looks like it has the rigidity equivalent of pound cake!!

[@mouserr]

meh the thumbnail earned youi a place on the do not recommend list. hope thats what you were after and not promoting some new device. that arrogant nonsense means i wont give you nor the company you are promoting the time of day beyond thisd. congrats. i have been looking for a desktop mill and because of you ill keep looking this wont ever come across my feed again if i can help it

[@jakeengland1430]

Fair enough we aren't forcing any opinions on you, however I do want to make clear that we're not a company we're a community project with only volunteers, we do not sell anything all the design work we do is free, we do get donations but I'm pretty sure in the 3 years that we've been doing this we've made less than 1k USD, we do work with companies that want to sell kits of our machines but we don't see any of the money they make, if you don't want to buy a kit we have a list of all the parts for free on our github repo, they're all 3d printed or standard parts, you can order them from whatever supplier you want. We only really care that you get a machine that you like at the end of the day. This is a labor of love and not a business.

[@tanithrosenbaum]

What exactly is the issue with the thumbnail?

[@mikkelkirketerp4884]

Awww here we see a butthurt karenmerican - they think the entire world is USA, and as such we all should comply to them. Or else they might feel upset.

[@psyskip6709]

You seem a bit tense.

[@tanithrosenbaum]

@@psyskip6709 Yes, I am in fact. Pulled a shoulder muscle and it's been tense for a few days. Not sure what hat has to do with the video tho or the video thumbnail?