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CNC Router Lathe

Discussion in 'CNC Mills/Routers' started by Rakmup, May 16, 2015.

  1. Rakmup

    Rakmup Well-Known
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    Rakmup published a new build:

    Read more about this build...
     
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  2. Tweakie

    Tweakie OpenBuilds Team
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    Looks like you have done all the hard work (making the frame), now it just needs the time putting into the finishing of the project. It will certainly be a machine to be proud of and I am looking forward to following your build. :thumbsup:

    Tweakie.
     
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  3. TadB

    TadB Well-Known
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    looking forward to watching your build this is exactly what I have been looking for
     
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  4. Mark Carew

    Mark Carew OpenBuilds Team
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    Like Tweakie said you have the hard part done. Very cool concept, I love the way you incorporated the lathe in the front of the machine.
    Keep up the great work.
    Mark
     
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  5. Rakmup

    Rakmup Well-Known
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    :) Thanks all...the concept and the heavy lifting are usually the easy parts for me. It is the details and electronics that slow me down. I have a Logitrol system from long ago I am not sure is even viable any more. They are out of business and the electronic connections don't match up. Then of course deciding which software set I can afford that will handle 4-axis. I have Mach 3 but no design or CAM programs yet. But I am exited about the project again and hope I can maintain momentum. Thanks for the encouraging words.
     
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  6. Serge E.

    Serge E. Master
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    This is great. I was thinking in doing something like that using the OX transforming the Y axis to a rotational one, thus working on 'round' stock... With some care, one could use regular controls and designing - the Y axis is basically wrapped about your stock (limited to circumference), X remains a left/right movement, while Z carefully avoids going too deep (ie. close to the centre / rotation axis) avoiding weakening or cutting through the stock material! :nailbite: The work is still done with a working router... the tool spinning to mill/route.

    As such, an OX could be both a regular OX and a routing 'lathe'. Would need to disconnect gantry Y steppers (and to lock the gantry into a given position) to connect steppers of a 'snap in lathe module'.

    Sounds easy enough, eh ?

    Swap the router for a laser and start engraving on either flat or cylindrical stock.

    Insert a glass cutting bit in the router and ... you might be able to cut flat glass and bottles w/ lathe module...

    ...

    Will it make the coffee and donuts in the morning ? Maybe the donuts with a 3D dough extruder !

    I think the medication is starting to affect my thinking, sorry.
     
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  7. Rakmup

    Rakmup Well-Known
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    Haha Serge...no donuts but maybe pancakes. This truly 4 axis though...I am also hoping to be able to shape rifle stocks and anything else I want within the size constraints.
     
  8. Paruk

    Paruk Master
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    I read somewhere it is NOT advisable to use out dated hard- software and just go for the latest stuff to run your CNC machine. I can see the point of that.
     
  9. Serge E.

    Serge E. Master
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    Even better ... I'll keep an eye on your build as I always planned on adding some form of 4th dimension to myOX, down bellow the table surface though, just to work on faces of larger stock not fitting within usual allowance of Z axis. I might be entering the 4th dimension sooner than later.
     
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  10. David the swarfer

    David the swarfer OpenBuilds Team
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    soon to be released next version of SketchUcam will support simple 4th axis stuff...
     
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  11. Serge E.

    Serge E. Master
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    You guys are going to make my days/nights sleepless. I will definitely give SketchUcam 4D a try, even if it's "simple 4th axis stuff". SketchUcam just keeps getting better allowing the use of simple tricks to make it do so much more.

    Since you are talking about it, I suspect the "soon to be released" means it will be "real soon now", eh ?
     
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  12. David the swarfer

    David the swarfer OpenBuilds Team
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    a week or two. (-:
    apart from 4th axis:
    • hole grids
    • countersunk holes
    • counterbored holes
    • multiselect pockets (select many faces and pocket them all at once)
    • a few bug fixes
    • toolchange options
    sleep? real men don't sleep!
     
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  13. Serge E.

    Serge E. Master
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    All great additions many should find very useful ...

    Looking forward to 'playing' with each one as I get more into SketchUcam ... I just need to get my health back in order so the sleepless nights/days are due to the hobby, or at least allow for some hobby time.
     
  14. grigorios

    grigorios New
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    Keep going Rakmup, your design is awesome!!
     
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  15. Paruk

    Paruk Master
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    True and also, one can sleep when dead. For now, get to it! Thanks David for all the great work.
     
  16. Rakmup

    Rakmup Well-Known
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    I have since added a Harmonic Drive to the 4th axis. 50-1 ratio with zero backlash and no need for a brake...locked in place when not moving. Much improved accuracy on the 4th axis.
     
  17. vbizon

    vbizon Well-Known
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    Nice build, I am a cue maker as well. My full time occupation is that of a Machinist and I plan on building a cnc router table as well. Now that it is complete what kind of resolution and accuracy are you able to get with this build? Do you find the round linear rails adequate for the purpose in the sense of rigidity and accuracy? I like your idea of the lathe at the front of the machine, you can taper shafts and do all your inlay work in a dedicated station. What is the name of your cues?
     
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  18. Rakmup

    Rakmup Well-Known
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    Thank you...I was machinist for many years as well. One of the reasons for making this is I missed making things. My cues will just be MC (McCool Cues). I have only made one so far...building the matching jump cue now. I have to decide if I truly want to make them as a product yet...perhaps not until retirement. Dream Come True.jpg I play with it daily and love it as much as any cue ever held. Beginners luck I am sure. Those points are cut in...assume you know what that means. Everything was cut by CNC except the drilling and tapping for joint...but also done on this machine.
    I have been making many fun things to learn the software and machine in all it's capacities. 2D, 3D, 4th axis, engraving, V-Cut, Inlays...etc. All have turned out very well. Accuracy to me is phenomenal. Not like a true machine tool but it is not the fault of the round ways...they provide quite enough rigidity. I have machined new mounting plates in aluminum with good surface finishes, I feel I can hold .001 to .002 but have little need for that in wood (except inlays). Indexing is spot on out to 10 full revolutions at my max radius of 8"...so beyond that will be close enough for anything I do. Mach 3 really helps with that. Main issue I still have is keeping the gantry aligned spot on. I need to figure out the gantry squaring functions with home switches and the way my controller is wired. There is no traditional breakout board and the LPT wires are individually spliced in...what a pain. So I still have some faulting and then the gantry is no longer square. I am really good about restarting in the middle of a cut. ;-) Once that is figured out the lathe at front will be a lot more user friendly. Having the lathe run in the Y direction would allow more accuracy I think as the squareness of the gantry has less affect then. There are some Chinese designs out there with a cantilevered gantry that runs out to the side mounted A-Axis. If I were to do it over I may opt for that...although it is a super handy now. Thanks again...good luck with your build.
     
  19. vbizon

    vbizon Well-Known
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    Thanks for the reply, you cue looks nice. I will warn you now it is an addictive hobby. You will end up spending more on wood then you do on machines lol. Make sure you take the time to setup a proper sanding and finishing area with good dust collection and ventilation for the fumes.
    Good luck and enjoy.
     
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