Modified RapMan Z Switch (Q38850)
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Modified RapMan Z Switch
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thingiverse.com
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I have upgraded my RapMan with a heated print-bed and needed a modified z switch holder. I tried Laszlo's one, it works, but I had problems with it. It is attached to one of the 3 screws the print bed is hold by. These 3 screws are equipped with a spring mechanism, allowing the print bed to back down if the print head by error tries to go down below the print bed surface. When attaching Laszlo's z switch holder, this spring has no effect any more. Laszlo says he doesn't have the problem and I think the reason is that I have a RapMan version 3.1 while he has a previous version. My RapMan z stage platform has threaded holes for the 3 screws I was talking about which seem to be the reason for problem. Anyway, I designed a different solution, where the z switch is not attached to the print-bed but to the z stage platform instead. This also makes fine-tuning the print-bed/extruder distance easier. You can do that with the 3 screws now and you get direct feedback about the new distance. Before you had to turn the distance screw at the print head and run a home sequence to get the new adjusted distance. With this new mechanism the z switch is not pressed directly, but there is a arm which presses it. The arm reaches up where the distance regulation screw comes down during the home sequence. Some photos are on my blog: http://blog.gagalabs.com/modified-z-switch-for-the-rapman-3dprinting
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1.0.0
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www.thingiverse.com
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en
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https://spdx.org/licenses/GPL-3.0-or-later
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auto
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drayde
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