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NikodemBartnik

DIY Dremel CNC design and parts

by NikodemBartnik Jul 15, 2018
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Im using your google doc's list, and I cant find any 120mm Lead screws anywhere, the site you have listed only goes down to 150mm lead screws. is there an updated print to use longer lead screws, for im assuming z axis (dremel head).

hi

top Projekt !!!

how many steps do the axes have on a T8
calculation please

Hi, before anything else, thank you for sharing this nice CNC design.
I'm currently building it but I noticed that the screws to fix the motors are not listed in the parts list, it would be nice to update it to avoid other people to wait for an extra order after having received all the rest ;)

hi, any chance you could make custom parts to fit all 8mm rods instead of 12mm and upload please, i dont have 12mm rods but have an abundance of smooth 8mm rods

many thanks

Hello! I'm going to make this CNC. I have several Mege 2560 boards , Can you provide their defined wiring? Thank you!

hi, i dont have 3d print to print these parts, can you sell me a set of it? thanks

I have a 220x220x220mm 3d printer. I can sell you the parts if you want. PM me.

If you watch the video, he reprints a few times,, so the first print might not work,, its a good project and I am thinking of making it myself,, msg if you still need some parts, if from the UK

I plan to use a small fountain pump, plastic bottle, tubing, some flexible plastic sheeting, a baking pan, and fittings to add liquid cooling. Then to see if it can work with mild steel. At the moment... still waiting on parts for my Dremel CNC to get here so I can finish that first.

I really like this project and appreciate it. I wonder if this configuration can be extended to 1000 x 1500 and also make possible for laser as well thanks..

Has someone of you upgraded the machine for the makita?

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Hello friends, in the list of necessary parts, says "12mm linear bearing (12)", 12 is that number of bearings correct? , do not give me the sum:
2 for the y axis, 4 for the x axis and 2 for the z axis. It is right ?

Hi has anybody up scaled this to 12, 16 and 20mm rods with nema23 motors?

After searching and finding nothing. I decided to work on FreeCAD and make the changes I needed. I modified the z_axis_carriage so that it supports a 300wats CNC milling machine sold on Aliexpress. is a two-ax ax carriage mix. The Original and the other I found here at Thingiverse. When it's all done, I'll post it here with all the photos.

did you ever finish this?

Can you give a link to the aliexpress part ?

I really enjoyed your project. I'm setting one up. I intend to use a milling machine like this one from the link.
As I'm not a good designer and I wanted to know if you have any design for this type of engine that can be used in your CNC model.

Thank you.

Where to download the firmware files for Arduino for this CNC? What software does the author use to work with him?

por fin!!!!! gracias
https://github.com/cncjs/cncjs/releases es lo mismo? estos para distintos sistema operativo o este CNC solo funciona la versión para navegadores?

It is the same software. There are a browser version and a standalone app for PC.

Also modding it with a dremel with custom mount, as I have dremel parts and putting them togeter in a case that will have a fan and good ventilation

Im almost done modding for 10mm shaft rods y axis but x and z are 8mm. mainly because its what I have

Hello,
please let me know what is the pitch of 8 mm trapezoidal lead screw ?

I think the scale is 60 * 60.I could not measure shafts and trapezoidal gears.
Can you help with the dimensioning?

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Awesome project! I need to get some 8mm acrylic cut and after trying (and failing) to find someone to laser cut it for me I think I'm going to make this instead.

Has anyone tried using 12mm OD tube instead of solid rod?

Can you find the items on amazon.com?

what is the collective price of all the Hardware?

At one point he mentions $300 in a video

Noticed that there are no radial ball bearings in the build of materials

I would like to make a larger version of this for general CNC, but also would like to have the resolution for a pcb mill. Any reason you would think using higher pitch lead-screws might be a bad idea in place of the T8 (2mm pitch) for better accuracy?

Never-mind, upon further research it seems that this standard in rod is pretty common. No need re-inventing the wheel here unless there are accuracy issues down the road.

Hello,
is it posiblle to make this ploter in bigger worki g area? Is there any limit by software?

Could you please list all of the 2020, 8mm threaded rod and 12mm rod required lengths? This would help anyone trying to make this as I only see it written for a fleeting moment in the frame building video. I, as well as others, would like to purchase them precut to the required lengths or in minimal lengths to reduce shipping costs and the potential of bending. Thanks!

Where i can find fusion 360 for free

https://www.autodesk.com/campaigns/fusion-360-for-hobbyists Free for hobbyists and for-profit companies making less than $100k a year.

if you sign up for a trial of fusion360 as a student you can get a year free

just wanted to say a MASSIVE thank-you for making this possible and at the same time helping me fight my depression by inspiring me to create one of these awesome designs, you are totally AWESOME bro !!!

its so AMAZING to see the youth of today getting involved into the deep-end of technology and really loving it, thanks so much and i hope you will continue to try and keep things like this open-source and free for people who dont have a lot in their lives which gives us hope for the future !

a Great many thanks, stay AWESOME !!!

I totally get this. I do the same thing. For a while, you get the sense you aren't worthless.

Peace.

Right now the Fusion 360 archive file has the old Z-axis carriage in it. Can you update it with the newer carriage design that includes the clamp?

For those wondering, I found an up to date link of the Fusion 360 file from the Youtube video here: https://myhub.autodesk360.com/ue295ecc7/g/shares/SHabee1QT1a327cf2b7a2ce7bf6e0b271b16

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Hi, i made your diy dremel cnc but my z axis motor is not the same to the all other axis is a .9 step lil bigger the other motor, how can calculate the z,step/mm
thanks

Does it require a regulated or unregulated power supply? The suggestion in the description is discontinued :(

It's not bad. For testing purposes it might be great. But my biggest issue with all these 3D printed CNC projects is that they have very low accuracy. For example these steps created by milling. Your 3D model had a smooth edge from top to bottom and this is the biggest weak point of this machine in my opinion. Sure you can switch tools, but you have definitely lost accuracy in the process. I would go so far and say that this thing has a huge inaccuracy despite using trapezoidal threads. For Hobbyists even an inaccuracy of 10µm is huge.

But then again, if you want accuracy, you wouldn't create a mill on a budget. So my argument is kind of invalid now.

Does anyone know how this compares to the MPCNC? It seems like this one has fewer 3D parts but I am curious to know how it compares performance wise.

Can you design a vertical adjustment for the dremel to make taller objects?

Has anyone printed these parts as a kit for sale? I do not have access to a 3D printer.

Let me know the know your counrtry to see if u can do it for you

Hi Nikodem,

One question about the control board you used. What was the benefit of using the arduino cnc shield over an equivalent RAMPs + MEGA2560? You could get the same setup, including the stepper drivers for almost the same price. As well as being able to power/control either a laser or spindle from the same board.

https://www.gearbest.com/kits/pp_009329450255.html?wid=1433363

Nice! And thanks for sharing f3d file. I'll make some modifications. Is it strong enough to use Smooth rod 8mm? This rod is easy to find in my local store.

You should not use a dremel for the cutting tool. Dremel tools chatter and have bit wobble. I would recommend the quiet cut spindle. Its 300w and you can get a controller for it. It uses ER 11 collets. NOTE: The ER-11 collets have a 1/8" one that works with the dremel bits. To anyone building this thing, make sure you square each axes to 90 degrees with respect to the other axis. Also because I do not have fancy tools I used the level technique to place the Z axis in a near perfect 90 degrees with XY plane. If you do not adjust it it will always cut crooked. I would also add T-track to the waste board so you have a way to clamp things down. This would be a great build to make CNC circuit board cutting tool.
Note: For those of us in the US the power supply wiring (If you are not sure ask an electrician as the author suggested): Ground is Green | N = netural and is usually White | L = Load and is usually Black
On the power supply check the voltage then if its too low you can adjust it using the Pot on it. Most have them.
Here are a list of things I would get to use this CNC Thing:
1, https://www.amazon.com/Spindle-Cooled-Milling-Converter-Engraving/dp/B01LNBOCDA/ref=asc_df_B01LNBOCDA/?tag=hyprod-20&linkCode=df0&hvadid=309813767497&hvpos=1o1&hvnetw=g&hvrand=897961273398454081&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031595&hvtargid=pla-469328029619&psc=1

  1. Scorchworks gcoderipper - http://www.scorchworks.com/Gcoderipper/gcoderipper.html

  2. (Author has this listed but this is where I bought mine) This is a small CNC machine so I would go with the ever so popular board - https://www.amazon.com/gp/product/B07C5Q3M19/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

I have a customized CNC machine I initially purchased then modified it to handle all sorts of things.
If anyone has questions let me know I will try to help. (Questions regarding to my post of course.)

You mention the 300w spindle but link to the 500w spindle. Here's the 300w kit https://www.amazon.com/dp/B0154LENB6/

That said, what you really want is the Dewalt Dw660. It is a favorite among home router builders, is super inexpensive, and is far cheaper than those two options above.

https://www.amazon.com/DEWALT-DW660-Cut-Out-Rotary-Collets/dp/B000051WQX/

The general consensus is that while the name implies it is 660w, it is probably closer to 550w-600w.

Hi,

what software do you use to controle the machine?

Thanks

Have you tried carving any hard wood? I am planning to build this and wood is the main material I am interested in but I am not sure the machine is stiff enough and the Dremel would be up to the job for something like Oak or Bamboo.
Did anybody try? Alternatively do you think the machine would handle a stronger spindle ?
Just so you know I am not interested in cutting metal.

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What's the build volume? How large can it mill?

Hi NikodemBartnik

Firstly thank you for sharing your project.
I am busy building this project as well, in the videos you mentioned you have made a change to the Dremel mount, please could you share this as well?

Thanks

He did. "z_axis_carriage_v3" is the updated mount, if you print this one you can ignore the .stl labeled "z_axis_carriage".

Can you upload the files for the “Raitool router mount” that you reviewed on YouTube?
Then we can print it first, and remake it in wood/aluminum

Can it mill Aluminum? Have you ever tried?

Personaly not. Check out Facebook group there are some people that successfully milled aluminium on my machine :)

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Can I use Dremel model 300?

What model did you use @NikodemBartnik ?

cereyanil did you try with your dremel 300 as that is what i have also so curious if it will fit in the mount designed for the 3000.

I used Dremel 3000

Can't see the lead screw bearings listed on the BOM. 22 mm skate bearings (608ZZ)?

Hi I am building this machine and I have been wondering what did you use the relay for and where do the limit switches go

I decided not to use relay and limit switches, those are not that useful.

Thank you for this thing! Thumbs up to you!

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I don't know if this is already answered somewhere, but do you have an approximate cost for how much it is to make? I would love to build one but worried that it might be too expensive with all the required parts.

It depends on where you bought the parts but you should easily make it for less than $300

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Anybody tried to use a laser with this? Great design btw

Remix of DIY Dremel CNC by NikodemBartnik

Hi Nikodem Bartnik,

thank you for sharing. Great work! In the part "spindle carriage" is a small error. The holes for the linear bearings are 22mm instead of 21mm. They have to be 21mm.
Due to the fact that the plastic always shrinks slightly after printing, some fits (12mm holes) are quite tight and need to be drilled. You can avoid this, if you draw all holes 0,2 - 0,3mm bigger as they should be.

I´m waiting for my ordered lead screws and bearings and cant wait to build your maschine. My neighbors will hate me ;-)

greetings

Thank you for this thing! Thumbs up to you!

  • Posted with 3D Geeks Thingiverse Browser App

Wszystko ok, ale chociaż czwarta część filmu odnosząca się do programowania mogła by być w języku Polskim...nie każdy z widzów ma ogarnięty język Angielski...

Polska myśl techniczna, wielki plus.

Brakuje w opisie informacji o konkretnej długości profili i wałków na które trzeba pociąć elementy

To w sumie zależy od ciebie. Możesz zbudować większą bądź mniejszą frezarkę zmieniając długości profili, wałków i śrub. Ja pociąłem to na takie długości:
Profile aluminiowe:
2x 60cm, 4x 30cm
Pręty:
2x 53cm, 2x 31cm, 2x 14cm
Śruby trapezowe:
2x 50cm, 1x27cm, 1x 12cm

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Well done for fist intents. However, keep in mind that the larger the machine is the more flex is introduced by nature of having blocks for rails and support, gantry, when made from plastic. The best CNC micro machines are the ones that use metal in all the structure and supporting block components. Plastic filament 3D Printed gantry and blocks are OK fro 3D printing since side loads are minimal ( for example, we are not forcing a cutter to go through a solid material to remove material). One of my first CNC machines I designed and built back in the early 80's for a Dremmel tool, much as you are doing, used machined Delrin blocks as trucks for the linear rails, but also had flex especially in the Z axis, industrial drawer slides with extra roller skate ball bearing guides for extra precision and built over a 2" formica covered table surface, did a much finer job at holding close tolerance. Keep refining it ! consider using the same aluminum channel as your buiulding blocks instead of 3D printed blocks. You will get a much tighter machine.

Hi, well done! What about quantity of each 3d printed parts? For example how much corner connectors I need to print?

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Not sure if this'll work outside of the US, but here's a link to a 2440mm long aluminum 2020 profile: http://a.co/d/i3hOKhz
The description of part 2 says you only need 2400mm for the whole thing, so that one piece should cover it.
UPDATE: If you buy profiles from 80/20 you will need to buy your T-nuts from 80/20 as well. The channels on their profiles are smaller than standard, so they wont take generics.

thank you for the info . I was trying to figure out if 2440mm would be enough for this build. Have you tried it yourself?

I have tried it myself, my machine's up and running. A 2440mm extrusion is essentially exactly as much as you'll need to build this to Nik's specifications, just be mindful of the kerf of your blade (I recommend a hand saw or saber saw). When I was done the excess was so small I could fit it in the palm of my hand.

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Thanks for the design! I am about to make one myself. one question: what router drill bit do you use in combination with your Dremel?
Thanks again!

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Check out my 4th video about this project, I talk about bits there and there are links in the description

I am so sorry! I have totally missed this.. My bad, but thanks a lot for the reply!

Did you ever think about making an acrylic enclosure for it? That would make it less messy.

Maybe indicate the orientation to print of some of the bigger parts as some may have trouble printing them in other directions

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Awesome project! Thanks for sharing it. One possible idea to control the mess would be to use pegboard for your waste board and have a shop vac suck from underneath. Not sure if it would create enough suction, but might be worth a try.

My idea would be a blower tube and vac nozzle on the Dremel tool carriage. blow from one side, vac from the other. Get the waste out of the way of the tool.

Not sure how practical it would be. But its what I will try when I build it.

Have you thought about designing a mount for a flex shaft attachment? It'd reduce the weight the gantry would have to move and be less stressful on the X/Y motors.

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what type of aluminium profiles are you using? could you specify please?

as I founded the following informations only in video #2 I repeat hese here :
Aluminum profiles:
2x 60cm long, 4x 30cm long
Rods:
2x 53cm long, 2x 31cm long, 2x 14cm long
Lead screws:
2x 50cm long, 1x27cm long, 1x 12cm long

(many thanks, Nikodem, I'm building one and your inventor name is already printed on the electronic box ;)

I have used these profiles, available on amazon in several length : https://www.amazon.fr/gp/product/B075CH7878/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
They match perfectly with the printed parts, after solving some misfits on these parts.
Dont forget that you must drill at 5 mm before to make thread M6.

These are 2020 extruded aluminium profiles 600 mm long. It's specified in BOM :)

These are 2020 I suppose :)

Yeah..but there seem to be different types of notches..

They look standard to me. Like these used in 3d printers.

Thank you for this thing! Thumbs up to you!

  • Posted with 3D Geeks Thingiverse Browser App

Hello,

Great design. I'd like to adapt this design to 10 mm shaft, but i don't succeed in fusion 360. How can I modify all shaft holes to 10 mm ? I can't set the dimension directly ?
Thanks for help

Look under the Sketches folder (Under Bodies) on the left, go through each one until you find the one you want to edit then double click and then you should be able to end dimensions

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Supper Supper
Schönen Gruß aus Deutschland

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Thank you for this thing! Thumbs up to you!

  • Posted with 3D Geeks Thingiverse Browser App
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Hi, Nikodem! Great looking design and i’d really like to build this.
How is the project going and have you tried cutting with the dremel yet?
Do you know the dimensions of the cutting area both lengthwise and hight?

Nik, do you know what will be the speed of the CNC? Just looking at the videos, it looks pretty slow, but you may have set it to run slow for your first tests.

Thank you for this thing! Thumbs up to you!

  • Sent from 3D Geeks: Thingiverse Browser for Android

what tool do you want to use to cut like wood/acrylic? found that the max shank size is 3mm , so what tool is good to cut like acrylic? , hope you can help me with this :) thanks.

I liked this design, so I began to remix it to my needs.
For my first prototype I made use of 8mm rods and 3020 rails (i already own them all), it's simple to back to 12mm...
Implemented advice from 'metzindistries', moving the X coupler on the right and adding a 608ZZ bearing.
Next step was to implement X-Y-Z endstops (optical ones), an arduino+cnc shield box, a power receptacle and supports for 2 cable chains.
I designed an Laser support too (mine is AliExpress 450mW).
I modified Z carriage to let it support various type of tools, you've just to design your own support and screw it on Z carriage; I own an 12000rpm 12VDC motor, so the showed support fits it.
If someone want to see all stuff take a look at https://www.tinkercad.com/things/d8w5mbkOyJQ.
I've almost assembled all stuff, I'm just waiting for 4 5/8mm couplers to complete the mechanical work, then I'll begin the electrical chapter.

awesome! , can you upload it to thingiverse? i can not download it on tinkercad :( , it gives me a error. thanks!

OK, give me some time to do it...
.......
Done.
Look at https://www.thingiverse.com/thing:3091155

Remix of DIY Dremel CNC by NikodemBartnik

That looks so awesome! Thanks for sharing your design, I am really happy to see that someone made my project :)

nice design, simple to follow and build, but where are the F*ckin endstops for Y and Z mounted? i studied the model for now 2 hours and didn't find a self explanetory place. also you should write in your desciption that the 12mm linear rods should be 2x525 for Y, 2x300 for X and 2x140 for Z.

Pretty AWESOME machine Nik. However I would move motors a little bit outside and hide couplers inside or even outside plastic parts to extend working area not inside.
But it's just Me :P
Pretty nice design anyways.
Congrats

What material did you use for the 3D printed parts? PLA or ABS?

how many backlash in all axes??

Thanks a lot ! Started to build it already.
But you did not say what bearings to use.
I bought:
LM12UU (8)
608-2RS (8)
and
" Aluminum Alloy Coupling Bore 5mm 8mm" on Ali
Hope it will do
:-)

How is the progress going? Can this machine mill?

Thank you for this thing! Thumbs up to you!

  • Sent from 3D Geeks: Thingiverse Browser for Android

Thank you for this thing! Thumbs up to you!

  • Sent from 3D Geeks: Thingiverse Browser for Android

What tap and drill bit size did you use?

You should upload the Fusion 360 native files. It would make it easier to modify the files.

Just wondering about how long do you cut the 12mm linear rods on the y axis as would buying 500mm rods be ok or should I buy 600mm

Sorry to rain on your parade, but I see a pretty big design flaw in this. The motor coupler as is will stretch under use. You need to put a bearing like a 608zz
the motor coupler should be outside the frame

I learned this the hard way a few years ago

Do you think it would work fine with couplers that are NOT flexible?

Awesome design! I have the dremel 4300, how will the holder adapt to different models so that everything is square?

This looks really nice. Great work!

Simple, elegant, and effective, very professional looking Fusion 360 work also. I'm going to have to make this one...

This is an awesome idea! I look forward to building one according to your design.

~Thanks for starting out on this project - There are many of us that could use a nice easy to start CNC machine project - please stay enthusiastic.

Thanks! I always will :)