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Type: Posts; User: abender

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  1. Generative Shape Design - Let the Computer Design the Part

    I made a video tutorial on how to use generative shape design in Fusion 360 to let the computer optimize a part design based on the applied constraints. Pretty new technique gaining a lot of...
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    Re: Epoxy Granite How-To Video

    Thanks, It was a fun build!
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    Epoxy Granite How-To Video

    Love all the builds on this forum! Recently made a video going over my process to make an epoxy granite machine base, check it out:

    https://www.youtube.com/watch?v=4aBVAbfxLJw&t=2s

    I built an...
  4. Design Tips and Tricks To Lower Cost for CNC Machining

    https://www.youtube.com/watch?v=qx_qqVmjCc0&

    I made a video going over some of the top tips and tricks on how you can improve your designs and decrease cost while optimizing for manufacturing on a...
  5. Re: How-to Guide on Building Cast Epoxy Granite Machine Bases

    Thanks for the reply Eldon_Jon!

    I would certainly agree that cast iron certainly has a much higher internal damping coefficient when compared to steel and aluminum. It too makes a fantastic...
  6. How-to Guide on Building Cast Epoxy Granite Machine Bases

    Hello Everyone!

    I have spent COUNTLESS hours experimenting and building cast epoxy granite bases. Here is an example of a finished product:
    356366

    I wrote a blog post how to design epoxy...
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    The runout was definitely a concern of mine when...

    The runout was definitely a concern of mine when deciding to take this project on. I mostly only cut wood with this machine though and usually accuracy isn't a huge deal. On the other hand I don't...
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    Hitachi M12VC Router Thread

    I'm currently in the middle of recreating The Rapid Tool Changer with permission of Derek at High Tech Systems. I'm starting to make the main housing and was wondering if anyone knows the exact...
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    I tried switching the USB cable out, no change in...

    I tried switching the USB cable out, no change in symptoms. I'm thinking the smooth stepper might be shot, I can't see what else would contribute to the erratic behaviour.
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    It seems that this has significantly increased...

    It seems that this has significantly increased the accuracy of the z axis, I will need to run further tests with a more accurate means of measurement to be sure. But it is a lot better. Its amazing...
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    I will run the same reasonable program that I...

    I will run the same reasonable program that I have been using as a test with them both set to 3 and let you know if this helps. sure sound like it should :)
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    It is a taller machine and it does get a tad...

    It is a taller machine and it does get a tad shaky during VERY intricate 3D tool paths but it is only ever off in the Z axis (up-down) not the X or Y
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    That makes sense, well the step pulse is 0us and...

    That makes sense, well the step pulse is 0us and the direction pulse is also 0. Now that does seem a bit fishy but I don't understand how I would set that properly?
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    Is this what you are looking for? It has 400...

    Is this what you are looking for?

    It has 400 pulses per unit movement (2000 pulses per 360 degrees divided by 5mm move per 360 degrees, 200 steps per rotation time 10 micro steps)
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    Im sorry but Im not sure that I exactly know what...

    Im sorry but Im not sure that I exactly know what "Pulse Width" is?
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    By the way, I am constantly in awe of the dub...

    By the way, I am constantly in awe of the dub router set-up you have in your display picture.
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    I have tried variations of the acceleration from...

    I have tried variations of the acceleration from 100 to 1000 mm/(s^2), everything seems to be the same, although the machine gets a lot jerkier at higher accelerations.


    I am running 16mm...
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    Hi, thanks for the quick reply! I have sure a...

    Hi, thanks for the quick reply!

    I have sure a few times that the ball nut is attached properly to the bearing block. It is on tight enough that there isn't any slop, but loose enough that it isn't...
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    Pics!

    Pics!
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    Finished a new Build, Z Axis Drift

    Hello!

    I recently became interested in building a CNC machine, and after reading posts on this forum over the period of a few months, I decided to give it a go. I recently just finished it, but I...
  21. I'm enjoying your build very much. That is a...

    I'm enjoying your build very much. That is a great looking machine you have coming together. Keep the new pics coming as you do more work!

    Adam
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    You might need a pull-down (or pull-up depending...

    You might need a pull-down (or pull-up depending on how you have the switch wired) resistor wired in with your e-stop, this should get much more reliable results.

    Just a thought, maybe you already...
  23. Thanks for all of that information and pictures!

    Thanks for all of that information and pictures!
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