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  1. #41
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    Default PICTURES ARE GREAT

    Thanks,
    I have redone my unit and now it is a 2X4 foot unit, all metal, The problem now is learning the software.
    I would like to build a 4X8 some day, but I do not have the know - how that you have - with building or software. That is one reason I loved the site where you was posting pictures of your work.
    I wish you would start a site of your work with pictures and DXF files for people like me to use and maybe hints on using some of the software programs.
    Anyway thanks for shareing what you are building with us.
    Dan



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    The circles drawn in the hollow section denote where holes to lighten the material would be located but I became concerned after the Z/X axis was so heavy. I already have holes in a shorter piece of hollow section however length is not a concern in that case.

    Jason



  3. #43
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    Now thats a lot of gearing, looks like it will work well.

    Joe



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    Hopefully I should be posting videos of it in motion in a couple of months.

    Jason



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    The new machine is looking great Jason!

    Tony



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    Thanks Tony. Some clients made enquiries on its completion date last week and one even called yesterday. That's a little more pressure to get it finished.

    I think my first cuts however will be for my house and I am considering the Aztec calender and the Lady of the woods, of course in extra large versions.

    Jason



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    hey jason, looking good there, hope i can pop in to have a closer look, whadya say?



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    No Problem at all Tajord.

    Jason



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    Hi Jason - I was just wondering how your project is going ?

    Thanks

    Harry



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    Thanks for asking Harry.

    The machine can be now finished if I could dedicate the time to completing it. I will have time after the 19th of December to put more energy into the build. The JGRO has been busy for the last few weeks as customers rush to finish Christmas promotions.
    All of this in addition to the stresses of the day job.

    I may have to order an extra belt ~12ft and nema 34 motors just in case. I also want to order router mounts from K2CNC.

    Jason



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    Sounds like I have the same timetable as you Jason, finish up work for the year and relax...finish the router, get it working etc...

    Of course there is build the shed, concrete some footpaths, do some tiling, all the odd jobs that have been pushed aside for the last 6 months...

    Glad I have two weeks off

    Hope all goes well for you to finish the beast !

    Cheers.

    Russell.



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    Thanks Russell.

    I am going to run the long axis with two these 6.25:1 gear reduction boxes (pic 2) coupled with 425 oz/inch motors. This combination should give me enough torque to drive the machine as it looks like the nema 34's are on hold for now.
    Just the drive gears and the belt nylon rollers to install as in pic 1

    Jason

    Attached Thumbnails Attached Thumbnails Jason's 5x5 Router Build-dscf1069-jpg   Jason's 5x5 Router Build-dscf1097-jpg  


  13. #53
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    I pulled this design off the shelf catching dust,it was quite labour intensive to get right so I will use it on a smaller metal router.
    One problem was the washers next to the top bearings control the width of the side bearings and as washers are not very uniform in thickness there was play in the system.

    Jason

    Attached Thumbnails Attached Thumbnails Jason's 5x5 Router Build-dscn0307-jpg   Jason's 5x5 Router Build-dscn0308-jpg   Jason's 5x5 Router Build-dscn0309-jpg  


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    I got a room cleared out for the machine to use, only issue is that the floor needs to be replaced.

    I will rip up the floor sunday.
    Monday:Install pipes under the floor (termite treatment).
    Tuesday: Treat sub floor.
    Wednesday: Install sub floor.
    Thursday: Install some sort of quick floor cover.
    Friday: Build table on which machine will be assembled.

    Lets hope this schedule works out.

    Jason

    Last edited by Jason Marsha; 02-21-2010 at 08:03 AM.


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    There is always something that gets in the way of the fun, but I guess a floor isn't something you can do without

    Cheers.

    Russell.



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    Quite right Russell.

    Got up this morning at 9:30 so this sunday demo is behind schedule already as my entire afternoon is dedicated to a family visit.

    Jason



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    Some of the joists need to be replaced which really means I will replace them all.
    Looks like an extra day of work.

    Jason



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    Well folks finally some action on the new cnc front.
    First of all it looks like I will be running a 5 x 5 machine initially, switching to a 5 x 10 will involve wider gantry and wider support beams.

    Bought the 7" x 4" I beam in december and welded up the running angle. No pics as the metal is at my friends workshop.

    Finished the Z axis and it weighs 45 pounds without the router.

    Got two 5 start screws for the y-axis but I am not sure about the x.

    My budget is all but gone but I am determined to finish this in two weeks.

    Jason

    Attached Thumbnails Attached Thumbnails Jason's 5x5 Router Build-dscn0572-jpg   Jason's 5x5 Router Build-dscn0573-jpg   Jason's 5x5 Router Build-dscn0574-jpg   Jason's 5x5 Router Build-dscn0575-jpg  

    Jason's 5x5 Router Build-dscn0576-jpg  


  19. #59
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    That is one big Z axis ! How much travel will that have ?

    Have you decided on any electronics yet ?

    Great to see progress

    Cheers.

    Russell.



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    Hey Russell,

    8 inches of travel.

    I had a Hobbycnc 4 axis kit for about 4 years waiting. I will use one NEMA 23 305 oz inch Hobbycnc motor for the Z axis. The other 3 motors will be 60 mm 300 oz inch Sanyo-Denki steppers with a really low inductance.

    I am considering springs to help the motor haul the z axis up. I got this spring from a Risograph copier and looking for a match or one similar. This one is 4 inches total with 2 1/4 inches of coil and 7/8" diameter

    Jason

    Attached Thumbnails Attached Thumbnails Jason's 5x5 Router Build-dscn0578-jpg  


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