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Thread: Building a CNC router

  1. #61
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    Default Re: Productive weekend.

    Originally posted by HomeCNC
    I had a very good weekend, I was able to get most of the frame finished. The detail work of fitting the ball screws and bearing will be coming soon. I wish Reid Tool would get my Ball screw and ball nuts off of backorder! It's been almost 3 weeks now.
    Whats the size of your cnc machine in x", y", z"? I am currently designing my cnc and just wanted some info. I plan to use aluminum extrusion since it will greatly simplify the frame construction. I do not have much experience constructing things so extrusion is a safer method for me.



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    X travel is 29.5. Y travel is 24. Z travel is 7.

    I was shooting for 24x24x6.

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  3. #63
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    Default Surface the table!!!

    I was able to get the table together this weekend. I got all the Tee bars mounted to the plate, and then bolted the plate down to the router.

    I took vacation today so I worked on my router all day I tramed the router in with a dia indicator and got it within .010 TIR in a complete circle of about 12". After that I placed a 1.5" cutter in the router and started to surface the top of the aluminum flat.

    Attached Thumbnails Attached Thumbnails Building a CNC router-surface1-jpg  
    Last edited by HomeCNC; 05-12-2003 at 09:50 PM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  4. #64
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    Default Another shot of the table

    I don't know how the camara caught the bit so clear. It was moving at 18,000 RPM. Also I was trying to not get hit by aluminum chips!

    Attached Thumbnails Attached Thumbnails Building a CNC router-surface2-jpg  
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  5. #65
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    I'm running Mach 2 now. Art told me that Mach 1 was not for me after I told him what I wanted in a controller. It runs very nice for beta software.

    Last edited by HomeCNC; 05-13-2003 at 12:58 PM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  6. #66
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    George.

    I just saw your question above about the box I built my controls inside of. I got the box from Mouser. http://www.mouser.com

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  7. #67
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    Any more updates?

    Thank You,
    Paul G

    Check out-
    [URL="http://www.signs101.com"]www.signs101.com[/URL]


  8. #68
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    Working on my tooling. Will post pics soon.

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  9. #69
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    Default

    Looks fantastic, good job, just wondering what cutter you have in the router for the aluminium, router bit, or end mill?



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    Default Fixed Collets!!

    Well I have a set of fixed collets for my Porter Cable router. I'm still working on the 1/2" ones. They will need to be build a little different. There is not much meat for the set screw to hold the bit. I need to make it larger on the diameter and open the nut larger.

    I have all the tools up to 3/8" for flat and ball end. I just don't have the 1/16" flat yet. Come to think of it I may never use the 1/16" flat mill anyway

    Attached Thumbnails Attached Thumbnails Building a CNC router-pc-tooling-jpg  
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    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  11. #71
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    Kong, The tool I used to surface the aluminum table was a router bit. I looked at my local woodworking store for the largest bit they had. It was a 1.5" dia two flute.

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  12. #72
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    Jeff, did you use a manual or cnc lathe to make the collets?
    How did you measure the angles on the original P-C collet?



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    I used my manual lathe to build the collets. Good question about the angle. I have asked Porter Cable and got no help so far. I did my best to measure the slit collets that came with the router. I used dial calipers. This got me close. I started with a scrap piece of aluminum and cut the first taper. I test fitted it inside the router and made small changes from there. Once I got a good fitting taper I scratched a line on my compound and that is what I have been using. I don't have degree lines on my compound so I still don't know what the true angle is.

    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  14. #74
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    Default It be cutting!!!

    As I post this my router is doing the finish cuts to my first part cut on the machine. My fixed tooling is working great! I have made three tool changes and they all have indexed back to the part great.

    Below is the picture of what I am cutting. This is just a demo file from ArtCam Pro.
    Except that I added the griffens in the center

    Attached Thumbnails Attached Thumbnails Building a CNC router-crest-jpg  
    Last edited by HomeCNC; 05-23-2003 at 03:09 AM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  15. #75
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    Default The roughing cut!

    Tool # 7, 3/8 end mill. .040 above the finish surface.

    Attached Thumbnails Attached Thumbnails Building a CNC router-crest-1-jpg  
    Last edited by HomeCNC; 05-23-2003 at 03:11 AM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  16. #76
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    Default The Pre-Finish cut.

    Tool # 4, 1/8 Ball Mill .010 above the finish surface. .007 step over distance.

    Attached Thumbnails Attached Thumbnails Building a CNC router-crest-2-jpg  
    Last edited by HomeCNC; 05-23-2003 at 03:12 AM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  17. #77
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    Default The Finish cut

    Tool # 2, 1/16 Ball Mill. Zero clearance, right on the surface. .003 step over distance.

    I think this is going to be not worth the wait to get the extra detail. The 1/8 ball mill did a nice job. This tool path will take about 6 hours to complete. I think next time I will only select the detail areas that I want done, not the entire part.

    Attached Thumbnails Attached Thumbnails Building a CNC router-crest-3-jpg  
    Last edited by HomeCNC; 05-23-2003 at 03:13 AM.
    Thanks

    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


  18. #78
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    This really shows off the quality of your setup. Nice work.



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    Default The Finished Part!!!

    I started at 4:00 PM and finished at 1:00 AM. That last finish pass was LONG!!!

    Attached Thumbnails Attached Thumbnails Building a CNC router-crest-final-jpg  
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    Jeff Davis (HomeCNC)
    http://www.homecnc.info


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


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    Very nice work, now I really wish I did'nt sell my machine.

    Thank You,
    Paul G

    Check out-
    [URL="http://www.signs101.com"]www.signs101.com[/URL]


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