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Monday, September 25, 2023
HomeMini CNC MachineDIY mini CNC machine part 1 (intro)

DIY mini CNC machine part 1 (intro)


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Discussion about total cost and links in part 15: https://www.youtube.com/watch?v=JPPj_SRyKx8



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  1. Hello, your project is very successful. Congratulations. There is something I want to ask you. Wouldn't it be better if we use the fixed coupling instead of the flexible coupling you used for the Nema 17 motor connection? When we use the flexible coupling, there is a possibility of flexing a turn of seconds when the nema 17 motor generates power when trying to cut or drill. In such a case, it seems to me that there may be millimeter deviations in the workpiece we are working with.

  2. I'm just working up to converting my Sherline mill over to CNC control. I can already program CNC mills, so that's no mystery, but retrofitting one with the motors, and then putting in the electronics and making the whole thing work is quite another matter. I spent approximately 13.72 milliseconds pondering how to go about it before I recalled: hey, Steve has probably already done it, so just do what he did! And here I am.

  3. Just curious, but would there be any technical difficulties in sitting your Z axis motor on top of your X axis, then translating that into Z axis movement with perpendicular gears? It would lower the height profile of the entire setup.

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