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Thread: Rebuilding of my X2 Mini Mill

  1. #13
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    Default Re: Rebuilding of my X2 Mini Mill

    Hey Kawazuki, I know what you mean about the bridgeport, I have been wanting one for years and only just recently got this one myself. This is the first really project that I have done on the big mill. That is also why I went with the aluminum for the extension because at the time I didn't have the bridgeport, just another x2. I was planning on using it and didn't want to hog out that much steal on a little x2. So since I already had the stock, that is what I went with. If it seems to hurt performance I'll just make it out steal and call it good.

    As far as the flex in the column goes, I dont think it will move once I get it all lock together. If you look at this picture the bracing goes all the way to the base and will bolt into the back, once I get around to drilling and tapping those holes. I also fill the column with concrete epoxy to stiffen it up and the steal that I put around it 3/4" thick plate made and is made into a I-Beam and then another 3/4" peace welded to that witch goes down to the base and give the column two point of connection. If it does want to flex I can always add arms that go to base itself but at this point I don't think I will need it.

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-08-07-17-10-23-jpg  
    Last edited by dannyrocci; 08-07-2017 at 11:25 PM.


  2. #14
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    Default Re: Rebuilding of my X2 Mini Mill

    Well I decided that I better start working on the stand for this mill as I'm getting closer to finishing out the machining work and need a place to put it all together other then my welding table. Not finished yet but have the basic stand built and so far pretty happy with how its turning out. The stand itself is 27 1/2" by 40 1/2" and mostly of 2x3 thick wall tubing. I plan on using my existing enclosure to fit on top, I do still need to have some Z flashing made up to seal the enclosure to the base and finish up the coolant return. Here is a couple of picture of the stand as it sits now.

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-08-07-17-14-41-jpg   Rebuilding of my X2 Mini Mill-2017-08-07-17-15-33-jpg   Rebuilding of my X2 Mini Mill-2017-08-07-19-13-40-jpg   Rebuilding of my X2 Mini Mill-2017-08-07-19-14-44-jpg  



  3. #15
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    Default Re: Rebuilding of my X2 Mini Mill

    Well I got my new controller in this week and got it mounted in a temporary stand, while I figure out all of the wiring. The unit is Adtech 4640 and so far it seems like it will work nicely. I was never that much of a fan of mach 3, so I thought I would try this controller and see if I like it better. It seems like it will do everything that I will need of it and more. I have been able to get me servo motor turning, still need to get the spindle motor going, hopefully that will go smoothly and then I'll connecting all of my inputs and outputs.

    If anyone has experience with this unit, I would love to here your thought good and bad.

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-08-08-11-08-28-jpg   Rebuilding of my X2 Mini Mill-2017-08-06-19-20-59-jpg  
    Last edited by dannyrocci; 08-10-2017 at 08:54 PM.


  4. #16
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    Default Re: Rebuilding of my X2 Mini Mill

    That's a pretty amazing transformation! Looking forward to seeing it all finished up. Curious...what Clearpath motors are you using?



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    Default Re: Rebuilding of my X2 Mini Mill

    It looks like you have an air cylinder on your spindle operating a tool changer.
    Can you give some details on it?
    Is it for Tormach style tools or tool holders with pull knobs?
    Is it home made or a kit?

    Thanks



  6. #18
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    Default Re: Rebuilding of my X2 Mini Mill

    The power draw bar is based off of hoss' x2 cnc conversion and you can find all the details on his site. The unit works really well and is definitely worth doing if you want uses Tormach style tools. Here is the link to Hoss' website.

    Projects 7



  7. #19
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    Default Re: Rebuilding of my X2 Mini Mill

    Hey Scot808, Sorry for the late replay been awhile since I checked in on this thread. The motor I am using are CPM-SDSK-2321S-EQN and in my testing so far they seem like they are going to work really well.



  8. #20
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    Default Re: Rebuilding of my X2 Mini Mill

    Well, I have finally finished all of the machining and I am moving on to final calibration and assembly. I'm hoping to have everything up and running by December first. Here are a picture of y-axis assembly going together. I'll try and post pictures of the whole as it goes together.

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-11-23-12-04-42-jpg  


  9. #21
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    Default Re: Rebuilding of my X2 Mini Mill

    Ok now onto installing the X-axis and making it perpendicular to the Y-axis. I used mt 6"x10" granite square to make sure that I got both axis running perpendicular to each other. I first put the dial indicator on the granite square and and moved the x-axis back and forth till I got the sqaure and the bed parallel with each other and then tightened the strap clamp down to hold it together. I was able to get the two bed and the square parallel within 0002" ,which should be more then good enough for what I am doing.
    Rebuilding of my X2 Mini Mill-2017-11-27-12-30-24-jpg


    At this point I move the indicator over to the short end of the square and moved the y-axis back and for till the indicator showed as little as movement on the dial as possible. I am using a .0005 Mitutoyo test indicator for this process and I wasn't able to get it perfect but I did get it to able .0004" over 6". I was pretty happy with that given that I would be surprised if the X2 saddle was the accurate to begin with.
    Rebuilding of my X2 Mini Mill-2017-11-27-13-36-09-jpgRebuilding of my X2 Mini Mill-2017-11-27-14-49-45-jpg

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-11-27-13-36-09-jpg   Rebuilding of my X2 Mini Mill-2017-11-27-12-30-24-jpg   Rebuilding of my X2 Mini Mill-2017-11-27-14-49-45-jpg  


  10. #22
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    Default Re: Rebuilding of my X2 Mini Mill

    Now moving onto the Z-axis and getting the rails parallel with other and then mounting the column to the base and getting it all square. I have machine in a reference edge on the column so all I need to do was tighten that one rail down to the reference edge and then dial in the other rail til it was parallel. Then I installed the column and check squareness against my granite square and shimmed the column as need. The column ended up needing to be shimmed .002, so that it would run square with the bed.

    ON a side note can anyone tell me why some picture are upload in the wrong orientation?

    Attached Thumbnails Attached Thumbnails Rebuilding of my X2 Mini Mill-2017-11-28-21-57-18-jpg   Rebuilding of my X2 Mini Mill-2017-11-28-21-57-03-jpg   Rebuilding of my X2 Mini Mill-2017-11-29-14-05-20-jpg   Rebuilding of my X2 Mini Mill-2017-11-29-14-04-23-jpg  



  11. #23
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    Default Re: Rebuilding of my X2 Mini Mill

    Danny,

    A very interesting thread. I like the work you're doing, love your stand and really like seeing you dial things in so precisely. Keep up the great work.

    Stuart

    "THE GRIZZ" photo album - https://goo.gl/photos/yLLp61jooprtYzFK7
    Youtube - https://www.youtube.com/channel/UCT2lq9obzEnlEu-M56ZzT_A


  12. #24
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    Default Re: Rebuilding of my X2 Mini Mill

    Thanks Stuart! I've really enjoy what you have done with your grizzly. Its a pretty impressive machine you are making. Just wrapping up mine and hoping to start throwing some chips and comparing it to the old mill.



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Rebuilding of my X2 Mini Mill
Rebuilding of my X2 Mini Mill