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Sea-OX

Discussion in 'CNC Mills/Routers' started by Steven Bloom, May 29, 2015.

Sea-OX

Sea-OX

Discussion in 'CNC Mills/Routers' started by Steven Bloom, May 29, 2015.

This is my first CNC build. The Sea-OX is a machine built out of three 1000mm C-Beams. I plan to have a Y length of 1000mm and a X length of 650mm. The Z should have the ability to move approximately 100mm.

CNC
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  1. Steven Bloom

    Steven Bloom Journeyman
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    So I am working on homing and limits for my Sea-Ox. Enclosed is a pic. Am I setting these sensors up correctly. Any suggestions ??

    Thanks Steven

    Input Pin Settings.jpg
     
    #91 Steven Bloom, Jan 4, 2016
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  2. Traxxtar

    Traxxtar New
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    Cut some wood already!! We're anxious to 'really' see it in action. ;)
     
    #92 Traxxtar, Jan 4, 2016
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  3. Steven Bloom

    Steven Bloom Journeyman
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    I would but I have NO bits. They should be here in about a week.
     
    #93 Steven Bloom, Jan 4, 2016
  4. Traxxtar

    Traxxtar New
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    I had shoulder surgery last month and am still recovering. As soon as this sling is off and I can move my arm, without getting hurt, I will purge my shed and make room to start building my own CNC. Woohoo!! And the best part is that my sweetheart is paying for it. ;)
     
    #94 Traxxtar, Jan 4, 2016
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  5. Mark Carew

    Mark Carew OpenBuilds Team
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    This machine is awesome @Steven Bloom its a true work of art my friend! I am with the others we want to see it cutting :thumbsup:
     
    #95 Mark Carew, Jan 21, 2016
  6. Steven Bloom

    Steven Bloom Journeyman
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    I have bits now. It's going to be very soon
     
    #96 Steven Bloom, Jan 21, 2016
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  7. Mark Carew

    Mark Carew OpenBuilds Team
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    Great news! thanks for the update my friend :thumbsup:
     
    #97 Mark Carew, Jan 21, 2016
  8. Steven Bloom

    Steven Bloom Journeyman
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    First Cut !!! Finally !!! 2016-02-14 11.48.21.jpg
     
    #98 Steven Bloom, Feb 14, 2016
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  9. GrayUK

    GrayUK Openbuilds Team Elder
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    Well Done!! :thumbsup:
    Keep the pictures coming. :D

    Gray
     
    #99 GrayUK, Feb 14, 2016
  10. Steven Bloom

    Steven Bloom Journeyman
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    A Video of me cutting Acrylic.



    2016-02-15 16.00.08.jpg
     
    #100 Steven Bloom, Feb 15, 2016
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  11. GrayUK

    GrayUK Openbuilds Team Elder
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    Good job. :thumbsup:
    Sounds a little odd though. Is it the Y motors making that noise/vibration?
    It seemed to be generated when moving on the Y axis away from the camera?
    Just a thought. :rolleyes:
    Gray
     
    #101 GrayUK, Feb 16, 2016
  12. Steven Bloom

    Steven Bloom Journeyman
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    Yes the Y does make noise. The slower the speed the more noise. At a feed rate of 1500mm it's much smoother. That is the one thing I can't seem to fix
     
    #102 Steven Bloom, Feb 16, 2016
  13. GrayUK

    GrayUK Openbuilds Team Elder
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    Check this Forum for "Low Amps to Steppers" or, "Noisy/Vibrating Steppers". It's getting the balance between the voltage and Amps.
    Gray
     
    #103 GrayUK, Feb 16, 2016
  14. Steven Bloom

    Steven Bloom Journeyman
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    So I just went thru every setting on the stepper card. I have the amps at 2 which match the motor exactly. I then changed the decay / static current pct and the micro stepping from 1 to 16. It's basically all the same at slower speeds. It seems better at higher speeds like 1200 to 1500. The video yesterday was at 800 speed. Not sure what to do to make it less noisy at slower speeds
     
    #104 Steven Bloom, Feb 16, 2016
  15. GrayUK

    GrayUK Openbuilds Team Elder
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    Can I suggest you start a New Thread with the "Noisy Stepper Header"
    Copy your Video to it, and give some details of your setup.
    I'm sure someone will be able to help. :thumbsup:
    Gray
     
    #105 GrayUK, Feb 16, 2016
  16. Traxxtar

    Traxxtar New
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    Finally!! Nice job. Looking forward to seeing additional progress here.
     
    #106 Traxxtar, Feb 18, 2016
  17. Steven Bloom

    Steven Bloom Journeyman
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    I
    I think I may have found the issue . I ran the machine on the Y and noticed that there was hardly any noise near the center of the Y area. But the big noise was near the ends of the c-beam. I remeasured the distance from the nut block to the Y bracket with several pieces of 3 d prints that were different each by .25 mm. I found that I had a gap of 3.5mm. I was using 4mm spacers. So I printed new 3.5 mm spacers and will put them in tonight. I am hoping that the pressures of the extra .5mm was causing the screw to vibrate and cause noise. I will know tonight
     
    #107 Steven Bloom, Feb 18, 2016
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  18. JFAirplane

    JFAirplane New
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    Very great design. Any news about how it perform.. ? Like will it be better to use a rail system over the Z instead of the system with the 12weel and the spindle at the bottom ?
     
    #108 JFAirplane, Mar 10, 2016
  19. gwandad

    gwandad Well-Known
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    I don't understand why people who want to use mach3, try to find n old XP machine that has a parallel port output. Sure it's cheap , but, it's not all that good for other things. Just software compatibility for a start!
    Why not get a pi add in parallel card for a modern pc. You can even add 2 if you want & have room, Gives Mach3 a lot of extra room. I'm running a card that cost $10 on eBay under Windows 10 & all is fine
     
    #109 gwandad, Jun 29, 2016
  20. Steven Bloom

    Steven Bloom Journeyman
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    Actually , I bought a new machine with a built in parallel port. I am running win 7 32 bit mode. The entire computer brand new with a 256GB ssd and 4gb of ram was only $210. It works awesome !!!
     
    #110 Steven Bloom, Jun 29, 2016
  21. gwandad

    gwandad Well-Known
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    Good deal, Mate. Specially with the ssd. If possible, could you let me know make & model of Motherboard? I'd like to make one the same.
     
    #111 gwandad, Jun 29, 2016
  22. Joe Santarsiero

    Joe Santarsiero OB addict
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    It's not necessarily just for the lpt port. The general rule of thumb has been to not use the PC for anything else while running a part (Like a modeling program). Something about interupting data buffer and some other jargon that's above my head. This is an old addage from the days of single core processors. That said, newer multithreading PC's and Mach4 can probably get away with a lot more before running into problems however that has not been my experience with a multicore and Mach3. Personally, I had an old Dell slim XP laying around and use that as a dedicated mach3 machine. It's stripped down and has a minimum amount of background processes running. Cost me nothing since I had it laying around. I do use an ess so that helps. Artsoft does recommend updated graphics for the toolpath display. I ran into issues with larger files and the display so I just found a screenshot that doesn't use the toolpath display.

    Joe
     
    #112 Joe Santarsiero, Jun 29, 2016
  23. Steven Bloom

    Steven Bloom Journeyman
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    Making some "Heavy" changes. Had 4.5mm stainless steel plates. Now I have 4.5mm carbon fiber plates. Saved over 20 lbs. Almost done putting things back together.

    2017-03-10 17.30.57.jpg

    2017-03-11 21.45.22.jpg

    2017-03-12 01.45.06.jpg

    2017-03-12 15.04.23.jpg

    2017-03-14 08.56.01.jpg
     
    #113 Steven Bloom, Mar 16, 2017
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  24. Fritz

    Fritz New
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    Hi Steve, thanks for all the great ideas and for your design. I've been looking at building an OX stainless with 8mm ACME screws but 4.5mm carbon fiber plates sound like a great idea. How is the CF performing? What are your expectations for repeatability and durability over time? How much did the full set cost? Any insight much appreciated.
     
    #114 Fritz, Mar 25, 2017
  25. Steven Bloom

    Steven Bloom Journeyman
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    Well so far the machine is running great. The entire XYZ area that moved lost around 25 lbs. The set of carbon fiber was $325, which was actually cheaper then the stainless steel I bought originally. Over time, I dont know, I can only assume it will be fine because many people use that green fiberglass for parts and it works well. And people use carbon fiber for things like bikes and those don't break.
     
    #115 Steven Bloom, Mar 25, 2017
  26. Steven Bloom

    Steven Bloom Journeyman
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    Just bumping. I have not posted anything in a while. My machine works so well. Great products to buy here.

     

    Attached Files:

    #116 Steven Bloom, Feb 26, 2021
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  27. JustinTime

    JustinTime Veteran
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    LOL, in a while??? HAHAHA...4 years! :D

    Good to hear you're having fun with it. Love the signs, well, except the 'let is snow' one. We had enough of it this year!!! :mad: :mad:
     
    #117 JustinTime, Feb 27, 2021
    Steven Bloom likes this.
  28. Mark Carew

    Mark Carew OpenBuilds Team
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    Nice job @Steven Bloom! ditio what @JustinTime commented on the signs really love them and the tiling technique you use to make this large of a sign by moving the board through for each letter is great!
    Same feeling on the snow Justintime we are done with it here in NJ as well. It's been a bitter slushy winter in this year. Does help us to appreciate the nicer weather when it comes though :)
    Thanks for posting Steven, keep up the great work!
     
    #118 Mark Carew, Feb 27, 2021
    Steven Bloom likes this.
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