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  1. #1
    Join Date
    Jan 2012
    Posts
    35

    Diy CNC v3 - Almost finished build

    Hi guys,

    This is my diy machine, i took me about 1 1/2 Years to get to this point, major changes which are still pending are changing the ballscrews on Y to driven ballnuts, building a proper box for the electronics and various smaller changes.

    The machine is running quite reliable now every day.

    First some more recent videos i took:

    [ame="http://www.youtube.com/watch?v=F6b2DS13RI4&feature=player_embedded"]video[/ame]

    [ame=http://www.youtube.com/watch?v=pFdsruCi1MI]DIY CNC v3 Routing nautilus casemod molds - YouTube[/ame]

    Some Pics:







    And here are links to the two build logs i wrote:

    German ( starts of english aswell )

    [Tagebuch] DIY CNC - Status: V3 Neues Video mit Xbox Controller etc.

    and the english Version

    Modding Project: DIY CNC - V3 New video showing new features ( Xbox controller etc. ) - Page 20 - bit-tech.net Forums

    Please feel free to ask any questions regarding this build, but please dont ask me why it actually does work, i dont have a clue about that either

    I just realised that i opened this Thread in the wrong sub forum, can anyone please move it to: http://www.cnczone.com/forums/cnc_wo...r_project_log/ Thanks !

  2. #2
    Join Date
    Apr 2010
    Posts
    363
    Very nice work! Your machine is one of the best 80/20 builds I have seen yet. Especially with the ballscrews. I look forward to reading thru your build log.

  3. #3
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by crane550 View Post
    Very nice work! Your machine is one of the best 80/20 builds I have seen yet. Especially with the ballscrews. I look forward to reading thru your build log.
    Thanks Crane, right now theres only one major design flaw left, as mentioned the y ballscrews are too long, but im gonna fix that in the next weeks

  4. #4
    Join Date
    Mar 2012
    Posts
    2
    Lenne-

    I read through your build log, incredible job! You have inspired me to start on my own machine.
    Quick technical question, how are the THK SSR blocks working so far? I have a set that I want to use for the z-axis yet I have read they are best to be mounted horizontally. Much appreciated!
    Cheers!

  5. #5
    Join Date
    Apr 2009
    Posts
    266
    Lenne,

    it was your log at bt that pushed me over the edge... now i find myself getting bits and pieces together and spending most of my days here...

    great build!

  6. #6
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by DFT209 View Post
    Lenne-

    I read through your build log, incredible job! You have inspired me to start on my own machine.
    Quick technical question, how are the THK SSR blocks working so far? I have a set that I want to use for the z-axis yet I have read they are best to be mounted horizontally. Much appreciated!
    Cheers!
    Thx Mate

    I really cant say anything specific about the blocks, all of them work perfectly with no play at all.

    I think it doesnt really matter because im running them way out of specification, they are made for much heavier applications.

    Theres a huge update coming soon

    Quote Originally Posted by kinghong1970 View Post
    Lenne,

    it was your log at bt that pushed me over the edge... now i find myself getting bits and pieces together and spending most of my days here...

    great build!
    Do it ! the reward will be awesomeness just one general tip: keep it simle, if it seems overly complicated, redo it untill its as simple as possible, that helped me alot.

  7. #7
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by kartleyBecil View Post
    it was your log at bt that pushed me over the edge
    Pls relink ur Pics, i wanna see them

  8. #8
    Join Date
    Mar 2012
    Posts
    16
    Hi there Lenne,

    You did an amazing work.
    I've been following you're thread on BT for a while now and every time I take a look I can't stop drewling. It sounds promising for the next mods you'll work on.

    [off topic]
    I intend to build one and I was wondering if by any chance you would like to sell some parts of you're V1 ?
    [/off topic]

    Z

  9. #9
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by Zm@steR View Post
    Hi there Lenne,

    You did an amazing work.
    I've been following you're thread on BT for a while now and every time I take a look I can't stop drewling. It sounds promising for the next mods you'll work on.

    [off topic]
    I intend to build one and I was wondering if by any chance you would like to sell some parts of you're V1 ?
    [/off topic]

    Z
    cheers ! i dont think theres much left from v1 really

    I can only tell u one thing, the next update is going to be huge, i changed heaps n heaps

  10. #10
    Join Date
    Mar 2012
    Posts
    16
    Quote Originally Posted by lenne0815 View Post
    cheers ! i dont think theres much left from v1 really
    Too bad. Well at least if you could just give me few tips on where did you buy your mecanical parts,
    I've been looking around and can't manage to find linear bearings and rods at the price and size you did.

    I can only tell u one thing, the next update is going to be huge, i changed heaps n heaps
    Some new changes... again... hope we'll see them soon.

  11. #11
    Join Date
    Jan 2012
    Posts
    35
    I didnt update this for a long time because the conversion to driven ball nuts took quiet a long time ( longer than i did expect atleast ) and i had some major problems with it, which are fixed now mostly.

    im still far from the speeds i did want to achieve and as it looks like i really need bigger steppers for the driven ball nuts.

    anyway there are some nice improvements: speed is up from 2200mm m to 3000mm m but now the more important factor: acceleration is way up from 80 to over 350 and thereby 3d code runs alot faster.

    some pics:






  12. #12
    Join Date
    Mar 2003
    Posts
    35538
    acceleration is way up from 80 to over 350 and thereby 3d code runs a lot faster
    Where's the video?
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  13. #13
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by ger21 View Post
    Where's the video?
    ill do it, i PROMISE do u se the black plastic piece with the aluminium cylinder sitting roughly at 50%y ? thats my touchplate for your script.

    Unfortunately i did an G0 with an 8mm end mill bit into it, so theres... a bit of a hole

  14. #14
    Join Date
    Jan 2012
    Posts
    35
    Heres the video !

    excuse my german accent, its just very german

    [ame=http://www.youtube.com/watch?v=GEZ4pLNmf7U]Setup stock on the DIY CNC v3 - YouTube[/ame]

  15. #15
    Join Date
    Apr 2009
    Posts
    5516
    Nice work!

  16. #16
    Join Date
    Jun 2011
    Posts
    695
    Quote Originally Posted by lenne0815 View Post
    Hi guys,

    This is my diy machine, i took me about 1 1/2 Years to get to this point
    Looks like that was one worthwhile year and a half.
    Amazing job! looks very professional.
    Hurco KMB1 Build
    Wholesale Tool 3in1 conversion
    C-Constant
    N-Nonworking
    C-Contraption

  17. #17
    Join Date
    Jan 2012
    Posts
    35
    And another vid routing Aluminium, now with a proper clamping setup ( and awesome music from Pulsar )

    [ame=http://www.youtube.com/watch?v=fniGaD7Pk00]DIY CNC v3 - Routing aluminium second vid - YouTube[/ame]

  18. #18
    Join Date
    Feb 2010
    Posts
    331
    looks good, what router bit are you using? what cam software?

  19. #19
    Join Date
    Jan 2012
    Posts
    35
    Quote Originally Posted by Zygoat View Post
    looks good, what router bit are you using? what cam software?
    6mm 3flute carbide bit.

    Rhinocam, if it comes to price and cad integration nothing beats it ( when ur using rhino for drawing ) besides it really outputs the cleanest Gcode ive seen so far, beating mastercam atleast @ 2.5d operations by a huge margin.

  20. #20
    Join Date
    Jan 2012
    Posts
    35
    yesterday i reinforced the z axis, im doing a lot of aluminium lately and the rigidity of the z assembly was more than lacking...

    Got two 7075 5mm aluminium plates which are the same length as the moving part of the z axis.
    Drilled and routed them to support the spindle holder



    finished them and taped them to the old z part



    Filled the whole thing with foam ( this is far from ideal, but better than nothing )



    And put it all back on









    I couldn really test it yesterday but it already felt a lot stiffer, bit exited to do some tests today

    If ure wondering what all this cnc building has led to, have a look @ TD Longboards

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