BACKLASH PROBE FOR MACH 3 & 2


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Thread: BACKLASH PROBE FOR MACH 3 & 2

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    Quote Originally Posted by zool View Post
    Found this while research calibration and thought it would help many.


    Backlash probe for Mach 3 « Nino Ransenberg
    Thanks zool, that looks very useful.

    CarveOne

    CarveOne
    http://www.carveonecncwoodcraft.com


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    Registered Drools's Avatar
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    very interesting, one might be able to modify the script to do the XY at the same time if a different fixture was used. A 4 sided fixture would work.



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    Registered Zygoat's Avatar
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    deleted.



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    Registered Drools's Avatar
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    I tried the script, it tells me my BL on the X is .004 and the Y is .003
    Becareful when running the script as it is set to an opening size of 8" and will cause your axis to crash into your fixture is you are using a fixture with a smaller opening.



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    Quote Originally Posted by Drools View Post
    opening size of 8"
    That is 8 mm, not 8', and it is mentioned in the code.



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    Community Moderator ger21's Avatar
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    If the machine is setup in inches, it'll move 8 inches.

    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


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    Registered Drools's Avatar
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    you are correct Yotamkasam it does mention the opening size in the code. I must have missed the section that says it is based upon metric millimeters. I wonder what else must be changed to make it work for imperial based machines.
    I added a variable SizeOfOpening to my code and set it to .75" which did the trick for that problem but now that Gerry mentioned the script is setup for mm I'm wondering.



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    What's going on here?..

    Is this thing just measuring the change in the magnetic field when the router changes direction, and then comparing the time difference between the signal sent and the resulting change in movement?

    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


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    Quote Originally Posted by Mountaincraft View Post
    What's going on here?..

    Is this thing just measuring the change in the magnetic field when the router changes direction, and then comparing the time difference between the signal sent and the resulting change in movement?
    It measures the distance the axis travel from touching the probe until it is disconnected.



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    Anyone still have a copy of this code?



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BACKLASH PROBE FOR MACH 3 & 2

BACKLASH PROBE FOR MACH 3 & 2

BACKLASH PROBE FOR MACH 3 & 2