mini-cnc-01.pdf

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About This Instructable

About This Instructable

Posted: Posted: Mar 20, 2011 Mar 20, 2011 License: License:

137,429

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363

363

berbefarac

berbefarac

I am a mechanical engineer designer,designer, passionate d by CNC machines. passionate d by CNC machines. 67 67 Bio: Bio: M

Miinnii CCNNCC wwiitthh alluaummiinnuumm ffrraammee

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The Mini CNC project is a complete set of plans and instructions on how to build a 3 axis CNC machine that is functional and also precise. The Mini CNC is very simple and easy to build and if you have all the materials and parts prepared you should have it ready to work in less than 5 days.

I wanted and also needed to build this Mini CNC machine so I can make faster and more precise the parts that I need for my other home projects.

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Post Comment The working area of the machine is X=450mm (approx. 17.5 inch) and Y=250mm (approx. 10 inch) and can mill parts as high as Z=110mm (approx 5 inch).

The maximum milling speed on X an Y axis is 2400mm/min. and on Z axis is 1800mm/min.

The resolution of each axis is 1/50 or two hundredths of an mm and one axis revolution means 4 mm of movement.

The router used for this CNC is a Kress 1050.

Nov 5, 2012. 10:47 AM Reply 1 Oct 27, 2012. 7:38 PM Reply Mar 20, 2011. 3:37 PM Reply 1 Mar 21, 2011. 1:10 AM Reply Sep 9, 2012. 4:13 AM Reply Feb 7, 2012. 11:41 PM Reply May 15, 2012. 1:27 PM Reply

i want to construct a Desktop CNC as my Mini Project

I have buy 3-axis Nema23 287oz-in stepper motor CNC kit and constructed my own frame with exess of 1000,700 & 100mm in X,Y &Z Directions.

i have some doubts in WIRING & Mach3 operation...if u have any Manuals and tutorial videos please sent me.

My mail id: [email protected] you.

dragos900 says: Super,

Va rog, imi puteti trimite si mie planul CNC-ului pe mail. Va multumesc. As fi interesat chiar si de achizitionarea unuia gata construit de dvs.

Va multumesc. Dragos

[email protected]

Evilthingamabober says:

Great job! A quick question, though;

I'm planning on using 20mm shafting for my machine, too, but I've heard that unsupported shafts can flex quite a bit. Do your shafts have large amounts of flexing, or is it rigid?

matthew gowan says:

What feed rates can you achieve with this?

berbefarac (author) says:

As I said in step1, the maximum milling speed on X an Y axis is 2400mm/min. and on Z axis is 1800mm/min.

Kiwi-entrepreneur says:

Fantastic machine, very creative and seems to work well. Just on thing, many posts on here ask for complete drawings (dxf/PDF) which you indicate are In sections 13 thru 16, and another post asked whether all drawings could be put in a zip file. This is a great idea, and since I'm keen to also use your fantastic design, could you post a direct link to the drawings or zip file of them?

Thanks Simon

krunobalaneskovic says:

Hi. Does anyone have complete set of plans for this? Those files are missing:

y_cross.pdf (185 KB) shafts_and_threaded_rod.pdf All others I already have. Thnx

Kruno

 jbloke says:

Hi. Thanks for this great how-to berbefarac. Anyone got the complete set of plans? My mail is jm_weinberg(at)hotmail.com if anyone can help me.

Jun 14, 2012. 9:54 AM Reply 1 Feb 13, 2012. 11:59 AM Reply Jul 17, 2012. 6:16 PM Reply Feb 27, 2012. 4:56 AM Reply Feb 13, 2012. 10:27 PM Reply Jun 7, 2012. 6:09 PM Reply Jun 11, 2012. 8:50 AM Reply May 24, 2012. 5:40 PM Reply Thnx krunobalaneskovic says: No, nobody.

berbefarac (author) says:

Hi. I will do an update for this instructable and put again the dxf files and all other files needed for the building of the MiniCNC. Hopefuly I will do the update this month. Berbefarac.

Bog Trotter says:

Hi, There are still no links to any files showing dimensions at all on the entire page. Could you add the links? Thank You

soljaboy101 says:

any news on the plans, am interested in using your design for a project in the uk, especially as your plans are metric. Please put theme up here or send me a link at

[email protected] Thanks for supporting the cnc community.

krunobalaneskovic says:

That will be wery nice. Thanx for your time Berbefarac. Kruno

gazelder says:

Like some others I attempt to download the plans (in the steps indicated) and get challenged for name and password. I give that and nothing happens. It is as if we are getting trapped in an endless loop.

I'd love to see the plans. I'd love to consider making a similar machine but the SITE seems intent to keep us from doing just that. Has anyone downloaded the plans and or found another location that might be posting them?

sogitindustries says: Having same problem

bitbox says: This looks GREAT !

I'm looking for a reliable DIY CNC machine and this one seems to be a winner. Thank you for sharing this.

Although I have one question: how can I download the related files (schematics?). You said earlier "You can find all the drawings in .pdf and .dxf file format in steps 13 to 16."

But really couldn't locate them. I registered on the site (free account) but still no luck :-( Could you please instruct me on how to find those files ?

Thanks a lot.

Georg256 says:

2 Apr 11, 2012. 3:00 PM Reply Aug 2, 2011. 9:24 PM Reply Feb 10, 2012. 10:17 AM Reply Sep 23, 2011. 5:38 AM Reply 1 Feb 7, 2012. 7:44 AM Reply Feb 5, 2012. 5:41 AM Reply Jan 13, 2012. 12:42 PM Reply

how much is the overall cost for this

yoshio6 says:

Hey, very very nice work, i was planning to make a some what similar cnc, but mainly just following your z axis "layout". I was wondering if you think that the structure is strong? Or at least strong enough because I was thinking of adapting a forth and fifth axis to the head and liked how yours for the height advantage.

Thanks, Weverton

mgimbel says:

did you really have to use such big steppers, I mean for a lot less you could have got weaker steppers that are better suited for this task. I dont think you'll ever use their 425 oz. capacity

thepainkill says:

http://www.youtube.com/watch?v=-5ULOYQ7CuE

erick3525 says:

First of all, nicely done! As for the stepper sizing, they will only really be oversized if the power supply and driver are not capable of meeting their potential or they are capable of damaging the machine. If all of the electronics are well matched and the machine is free of binding and so forth, larger motors will allow much higher feed speeds to be attained reliably, especially while cutting. Materials that the builder is most likely to intend to mill out with this machine will be able to be be cut at high feed rates.

AD804 says:

I would like to try to build a machine based on your design. Do you have DXF drawings of the parts?

alan_cx says:

Its a great project, but one thing is a bit annoying:

"For this project you will need to have a set of screwdrivers and a set of hex keys or Allen keys, a drill for some extra holes, metal cutting saw to cut some custom parts, soldering station or soldering gun  join the wires so they`ll have a good conductivity , and a multimeter.

You should have knowledge of basic electronics, how to solder and how to use a multimeter" Then later on, it turns out that a lathe and mill are required. Which rather changes things a bit.

krunobalaneskovic says: Hi.

Great work on this. Like to build one myself.

I tried to download plans but there are some things missing:

Can you send complete plans for Mini CNC router in one zipfile, PLEASE. That would be realy helfull.

I have acces to alu-profiles in company where I work. Thanx.

Kruno

Jan 6, 2012. 2:44 AM Reply Dec 30, 2011. 9:36 PM Reply Nov 25, 2011. 10:18 PM Reply 1 Nov 26, 2011. 9:49 AM Reply Dec 10, 2011. 4:32 PM Reply 14 Oct 12, 2011. 3:57 PM Reply 1 Nov 9, 2011. 7:47 AM Reply Oct 24, 2011. 2:16 PM Reply 14 Nov 16, 2011. 9:06 AM Reply Nov 1, 2011. 8:10 PM Reply Jul 22, 2011. 3:56 AM Reply

Greetings from Slovenia

 juli4nteo says:

In which step is the dxf file located? Doesn't seem to show up anywhere.

pra-win says:

great instuctable... can u help me for software purpose? i,e. how & which soft ware u used. can i get the microcontroler and servo/ stepper motors prog? pls...

akshaya2012 says:

I WANT TO MAKE BUT SOME PRBLEM IN SHOFTERWARE SIDE , CAN U HELP ME ??

berbefarac (author) says: How can I help you?

 jereba says:

how much it cost to build the cnc??

kenyer says: Grosav!

I like your project. You are one of the few that explain the software-part. Mach3 is rather expensive though. (546 lei and I'm still counting in old lei so than it is even more expensive :P 5.460.000) Do you know of any free or cheap cnc-software?

berbefarac (author) says: Thank you.

You could use EMC2, but you must have installed Linux.

ThePuppeteer says:

You can use "EMC2" with "Ubun tu LTS" for free ( http://www.linuxcnc.org ). Cheers!

kenyer says:

Thanx I will see if I can install Ubuntu on a computer.

studleylee says:

Very Nice!!!! Me want to build one soon!!!

skukadia says: Dear Berbefarac,

Great Instructables...Congrats for that...

Please guide me other option for alluminium profile...as i am not able to get it in India...

Also guide me for making machine heavy duty...as i want to use this machine for milling on metal plates of MS-mild steel or SS-stainless steel...

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Jul 14, 2011. 7:11 PM Reply

Post Comment

Hey I am not able to get Alluminium profile here in India...what can be other option, can i make it from SS-304(Stainless Steel)?

I want to make this machine more heavy for heavy duty milling so that i can use it with milling on metal work of Mild stell/ Stainless Stell, how it can be possible?

 jsosa3 says:

 where can I find the pipes and threaded rods? how would I cut them?