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  1. #1
    Engineer-in-Training
    Join Date
    Jul 2014
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    305
    Quote Originally Posted by TopJimmyCooks View Post
    to respond to the original post - My brother and I installed a BLtouch on his 10" I3v. we set it up like a servo and used the angles given by BL touch's directions. It worked fine. it is screwed to the underside of the x carriage with some spacers to get it at the right elevation in relation to the nozzle. I programmed the reset angle into a button on pronterface and it works very well. This is a version of marlin compiled more than a year ago, not sure which one but nothing current.
    Thanks for your input!

    I have been manually leveling my bed for 3 years now and never had a problem. My concern with ABL/Mesh Leveling is the fact you are relying upon a servo and its movement to ensure you get repeatable results. That is why the BL Touch intrigues me because the only part that moves is the pin which theoretically should provide better results.

    I will also have a month off of work to get everything dialed in.

  2. #2
    Super Moderator Roxy's Avatar
    Join Date
    Apr 2014
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    Lone Star State
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    Quote Originally Posted by BLKKROW View Post
    I have been manually leveling my bed for 3 years now and never had a problem. My concern with ABL/Mesh Leveling is the fact you are relying upon a servo and its movement to ensure you get repeatable results. That is why the BL Touch intrigues me because the only part that moves is the pin which theoretically should provide better results.
    Actually... I think it can be the opposite of that. If you design your probe leg such that when it is straight down, the switch lever is a little bit off center what will happen is the probe leg will get a slight rotational force (toque) applied to it when you are actually depressing the lever arm. If you make it so the probe leg hits a stop when fully deployed, you just tell the servo to go a few degrees past that point and turn off. From then on, all probed points just gently press the probe leg against the stop.

    With that kind of a setup, you can get better results with a micro-switch than with an inductive probe. The micro-switches trigger at the same place every time.

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