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CNC sign painter project..

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  • CNC sign painter project..

    Here is a link to a couple of pictures and one video of my sign painter project..

    https://home.mycloud.com/action/shar...a-7e321b8a87a3

  • #2
    Unless you are changing color, you don't need to wash the pump and you can clamp the tube end to keep the paint from dripping. You could use multiple pumps on a long shaft of one motor with a simple dog clutch to change colors. This way you just change and wash the brush part
    Helder Ferreira
    Setubal, Portugal

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    • #3
      Originally posted by Noitoen View Post
      You could use multiple pumps on a long shaft of one motor with a simple dog clutch to change colors.
      Indeed I could but I think one colour will meet the present demand..

      John

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      • #4
        That is m-f'ing freaking awesome!! I love the rotating brush - that is genius. 'Gotta admire your persistence - a good example of Edison's 1 per cent inspiration and 99 per cent perspiration.

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        • #5
          Thanks Bob, especially considering the truly awe inspiring projects to be seen on this forum!

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          • #6
            That machine would get you laughed out of Germany. No way it is more practical that stencils.

            Now if you think back on your first comments about my sheep shearing machine you said something along those lines to me! Ha ha ha. Something about your relatives laughing their heads off. But you did come around somewhere along the way to at least telling me my machine wasn't awful. Now I will tell you how I really thing. I think what you have built is great. It isn't quite there yet but you are much further along than I thought you would get when you talked about using a brush. Great job.
            Location: The Black Forest in Germany

            How to become a millionaire: Start out with 10 million and take up machining as a hobby!

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            • #7
              Thank your Mr Forest for you kind words!

              There are a few issues to be sorted with the brush machine...

              The process is very sensitive as regards the height above the work and of course sheets of plywood always have some areas that do not naturally lie flat on the table, moving weights around is possible but not desirable if it means placing weights on newly painted areas. Of course if I built a vacuum table that would not be a problem. A floating brush holder is a potential answer.

              The rotating brush leaves a wavy shaped line as the bristles do not all follow the same path. Turning the brush faster might help but the motor I am using is barely powerful enough at the slow speeds.

              The plan was to use house paint straight out of the bucket but the pump is struggling to handle that and it requires assistance to prime. Thinning the paint is called for I think...

              Nonetheless it is quite calming to watch when everything is going well although a total rebuild may be a soon-to-be project!

              Now then..
              That machine would get you laughed out of Germany. No way it is more practical that stencils.
              Ummm, errr, are you still using a Gestetner in your office?

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              • #8
                So, when I go to your link, this is what pops up! Did you recently add some compromised files to your cloud storage?


                Click image for larger version  Name:	warning.png Views:	0 Size:	24.7 KB ID:	2000380

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                • #9
                  You are using Chrome? Other browsers do not seem to be so paranoid.

                  If you go to the Details button you will see that you might decide to go ahead after reading their explanation of what they think is a risk.

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                  • #10
                    Originally posted by The Artful Bodger View Post
                    You are using Chrome? Other browsers do not seem to be so paranoid.

                    ...
                    I got that with FireFox

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                    • #11
                      I got that warning with Brave

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                      • #12
                        Its a generic warning about the site itself. Not the Bodger's content.
                        Southwest Utah

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                        • #13
                          Originally posted by The Artful Bodger View Post
                          ...
                          The rotating brush leaves a wavy shaped line as the bristles do not all follow the same path.
                          ...
                          The "product" this machine was built for is road-side signs, right? If so, I suspect that the waviness will be undetectable (unnoticeable) at normal viewing distances.

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                          • #14
                            Originally posted by Bob Engelhardt View Post

                            The "product" this machine was built for is road-side signs, right? If so, I suspect that the waviness will be undetectable (unnoticeable) at normal viewing distances.
                            Yes, that is true and with everything else resolved it probably will not be an issue.

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                            • #15
                              I didn't and I also use FireFox.



                              Originally posted by Bob Engelhardt View Post

                              I got that with FireFox
                              Paul A.
                              SE Texas

                              And if you look REAL close at an analog signal,
                              You will find that it has discrete steps.

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