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Thread: Joe's CNC Model 2006

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    www.joescnc.com joecnc2006's Avatar
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    Default Joe's CNC Model 2006

    I was busy the last couple days, drawing a new CNC, I have thought about what the flaws were on a Diy Pipe rail system most of us build in wood/MDF.

    I will be using a torsion box system, and also nave a new twist, by adding an extra Pipe rail on the long Axis. I think this will help alot on the twisting and rocking of the Gantry.

    Here are pictures of my drawings.

    Similar Threads:
    Attached Thumbnails Attached Thumbnails -joes-cnc-model-2007-jpg   -joes-cnc-model-2007a-jpg   -joes-cnc-model-2007b-jpg  
    Last edited by ger21; 01-03-2006 at 11:29 AM.


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    Moderator mvaughn's Avatar
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    Very nice Joe!

    I had wondered about using dual pipes as well. When are you going to build it? I can't wait to see how the dual pipe setup works out for you.



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    www.joescnc.com joecnc2006's Avatar
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    I have already started Cutting the Gantry Ribs, I will post as mant picstures as I can as it comes together, I'm Hopping to have it By the end of this Year and ready for 2006, Hence the name Model 2006.

    Joe

    Last edited by ger21; 01-03-2006 at 11:29 AM.


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    Moderator mvaughn's Avatar
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    What are the overall dimensions and the cutting area going to be?

    Last edited by ger21; 01-03-2006 at 11:30 AM.


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    Gold Member spalm's Avatar
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    Nice looking drawings Joe.

    That is an interesting idea about the dual rail. Might be a bugger to align although. Since the pipes are fixed, how do you get all eight bearings per rail to touch the pipes? I guess the answer is measure twice, cut once.

    Steve

    Edit: I just noticed that you do not have any cross bracing inside your big box. I hope this is just a drawing feature.



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    Moderator CNCRob's Avatar
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    Looks good Joe. What program did you use to draw it with?



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    www.joescnc.com joecnc2006's Avatar
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    Everything will be cut on the CNC, And then when I finish it I will Level the Top cutting surface with a wide Bit, Mill it to the machine, this is the best way I can think of for this type of machine to be perfect Level with itself.

    I have 4 1/4" drill holes on each side of the bottom cross pieces, I will either run a threaded rod through it all the way placing nuts and washers along the way which will take a while for two rods on the sides, or i will add cross pieces stagered the length of the machine and then final two holes on each side will be bolted to the front and rear plates. ( i designed it with all the holes to allow for this. Also the whole machine will be mostly bolted with very little MDF drilled and tapped.

    thanks, Joe

    Quote Originally Posted by spalm
    Nice looking drawings Joe.

    That is an interesting idea about the dual rail. Might be a bugger to align although. Since the pipes are fixed, how do you get all eight bearings per rail to touch the pipes? I guess the answer is measure twice, cut once.

    Steve

    Edit: I just noticed that you do not have any cross bracing inside your big box. I hope this is just a drawing feature.




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    www.joescnc.com joecnc2006's Avatar
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    1st set of parts cutout, the Gantry Rib section.

    Attached Thumbnails Attached Thumbnails -gantry-ribs-1-jpg   -gantry-ribs-2-jpg   -gantry-ribs-3-jpg  


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    All of a sudden I see the need to rethink the design I was going to use.

    I was initially plann1ng 8020 stock for the x and y rails. Carlnpa has had good results with the 8020. The x rail was going to be a double rail with a wood stiffener like joes (which I actually saw someone esle do that same thing on their machine out here), the y was going to be attached to a plywood bottom with a 1" tube steel subframe. Kind of like the old steel legged butcherblock coffee table an old girlfriend of mine used to have. (This was back in the 80's when that coffee table design was popular). But I think joes would be easier in the long run and probably more stable than mine too.

    might be even stiffer with 1" drill rod rather than the pipe. But that would really add to the cost and weight big time.

    Excellent design work. Thanks for the great ideas Joe.

    An idea i I have been kicking around though that might add more stiffness to it is; run a hole and small bolt through the black pipe directly in between where the skate bearings track and into the ribs. You have to be careful to make sure the skate bearings don't catch on the bolt. This may lock the whole thing together tighter.



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    www.joescnc.com joecnc2006's Avatar
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    Quote Originally Posted by CNCRob
    Looks good Joe. What program did you use to draw it with?
    thanks, I used Solidworks, have it on my laptop from work.

    Joe



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    www.joescnc.com joecnc2006's Avatar
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    Quote Originally Posted by mvaughn
    At the rate you built your other machine I think you should call it Model 2006.

    What are the overall dimensions and the cutting area going to be?
    Working it out in cadd it is 49.5" x 25.5" x 6.25" so lets say 49x25x6...

    Yes it is going together alot fasted that i thought, and also i should have my Acme 1/2-10 leadscrews, 1/2-10 nuts, and 3/4" Z axis drill rod shafts on monday, I have already recieved my 1/2" bearings....

    Joe



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    Registered Lionclaw's Avatar
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    Looks awesome Joe. I can't wait to see your table. That thing should be nice and stiff.

    Andy
    CNC Kits - http://www.comptonsoft.com/cncweb/


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