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  1. #121
    After 11hrs of work on the y-axis it's pretty much done except for the rack and pinion stuff.
    Attached Thumbnails Attached Thumbnails 2013-02-18 19.53.55.jpg  

  2. #122
    2 of 3: belt drive pinion assemblies now on and working on the rack for the y-axis.

    The belt drive pinion assemblies are from cncrouterparts.com but they had to be modified to get the Nema 34 servo flanges to fit. I also went ahead and upgraded to the newest tension system and also the roller bearing pivot points. I also had to resize the servo pulley to fit the 14mm servo shaft.

    Andrew
    Attached Thumbnails Attached Thumbnails 2013-02-26 21.22.26.jpg   2013-02-26 21.22.34.jpg   2013-02-26 21.22.08.jpg   2013-02-26 21.21.56.jpg  


  3. #123
    Join Date
    Apr 2009
    Posts
    5516
    Quote Originally Posted by the_canuck View Post
    2 of 3: belt drive pinion assemblies now on and working on the rack for the y-axis.

    The belt drive pinion assemblies are from cncrouterparts.com but they had to be modified to get the Nema 34 servo flanges to fit. I also went ahead and upgraded to the newest tension system and also the roller bearing pivot points. I also had to resize the servo pulley to fit the 14mm servo shaft.

    Andrew
    That's looking awesome, it shouldn't be too long now...

  4. #124
    More progress on the y-axis. I got the rack mounted tonight and did some preliminary testing with servo tuning software.

    Big servos are amazingly strong!


    Andrew
    Attached Thumbnails Attached Thumbnails 2013-02-27 22.00.03.jpg   2013-02-27 21.59.52.jpg   20130227_215941.jpg  

  5. #125
    Almost forgot. I did post a video on facebook of the servo tests. If interested search for Canuck Engineering Page on Facebook. Lots more info on there including the video.

    Andrew

    http://www.facebook.com/Canuck.Engineer

  6. #126
    Finished 1 of the x-axis rack and pinions this weekend. Not perfect but strong and usable.

    I also moved the machine out from the wall so I start work on the second x-axis mechanics. 2 floor jacks and 3 people made it a painless job. It's starting to get to be a heavy machine.

    Andrew
    Attached Thumbnails Attached Thumbnails 20130414_211842.jpg   20130414_211804.jpg   20130414_211827.jpg  

  7. #127
    Second x-axis rack and pinion now installed. I also painted the rest of the exposed steel to protect it from moisture now that the swamp coolers are running again.

  8. #128
    Join Date
    Aug 2004
    Posts
    782
    Beautiful !
    You just did so many things *right*.
    Transmission. Steel frame. Rigidity. (servos). Bolt/epoxy.
    Width/height/thickness of sidewall supports for Z axis-great.

    I am really, really glad someone is going a *good* build.
    Congrats.

  9. #129
    Anyone know a source for water fittings for the spindle? I either can't find the ones that came with my spindle or it didn't have any to start with. I don't remember but they are probably lost.

    I think the thread is a M8x1 straight thread. Any leads? I've tried all the normal websites that sell this kind of thing and tried the local stores around Denver, like Ace and Home Depot but no luck so far.

    Andrew

  10. #130
    Join Date
    Nov 2008
    Posts
    2
    It has been a while since I built a water cooled computer Andrew but if I remember correctly the spring loaded fittings I used were 8mm. It would be worth a look.

    Rob...

  11. #131
    Join Date
    Apr 2007
    Posts
    1955
    One place that has just about every metric screw and fitting is Maryland Metric. MARYLAND METRICS 'HOME PAGE'

    The web site is a bit difficult for me to navigate, but I have called them in the past and they had a really obscure small screw I needed - in stock. If they don't have it, you will be looking in Germany for it. Prices were very reasonable, especially compared to the prices at local stores for normal metric fasteners.

  12. #132
    Well after 2 days of searching I found a solution. Jegs.com had adapters for M8x1 male to -AN4 male and also -AN4 to 1/4" hose barb connectors. They weren't cheap but well worth it vs the alternative of making them on the lathe.

    I think the Jegs.com parts were for custom NOS setups. I guess next my machine needs a carbon wing.

    Andrew

  13. #133
    Join Date
    Nov 2008
    Posts
    2
    I actually thought of that this morning Andrew, and I know of a place in Arvada that should have them. Can't remember the name right now but I have to go by there so I will check on the way. I used to get parts to build custom brake lines for motorcycles from them when I worked at the bike shop. Should be resonable too.

    Rob...

  14. #134
    Z-axis cable chain is mounted. My "NOS" water connectors also arrived. I added an oring between the water connector and the spindle body which should keep any leaks to a min.
    Attached Thumbnails Attached Thumbnails 2013-06-04 21.44.43.jpg   2013-06-04 21.44.51.jpg   2013-06-04 21.45.07.jpg  

  15. #135

    Cool

    Morning progress. Y-axis cable chain mounted and looking good.
    Attached Thumbnails Attached Thumbnails 2013-06-08 11.15.19.jpg  

  16. #136
    More progress! X-axis cable chain now mounted. I also got my flow indicator/temp monitor mounted.

    Still lots more work to do. I still haven't started on my enclosure but I do have one. It's 36" x 24" x 10" deep steel. I need to paint it before mounting it on the far end of the machine. It' already has a nice big cutouts with filters and a nice door. I got it for free which is always a good price.

    Andrew

  17. #137
    Got most of the cables through the cable chains. Still waiting on getting some longer cables for the servo encoders.

    I think everything will fit. I was worried about the x-axis cable chain capacity.

    Andrew

  18. #138
    Lots more wiring work to do but made a ton of progress in 2 days of dedicated time on the machine. That doesn't happen to often with my crazy schedule.

  19. #139
    Second x-axis rack and pinion now installed.

  20. #140
    Limit switches for all axis now mounted, wire for soldered, and switches tested.

    I also ran the rest of the water lines back to where the control box will be. Now stuck waiting for parts again.

    Andrew

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