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  1. #31
    Here's a stripdown of machine and points to where the sensor is located,theres obviously a wheel in the stock castin housin inside.

    http://www.arceurotrade.co.uk/projec...on%20Guide.pdf

    http://www.arceurotrade.co.uk/projec...es/C3_BC5.html

  2. #32
    Tom's Avatar
    Location unknown. Last Activity: 30-11-2016 Has been a member for 7-8 years. Has a total post count of 172. Referred 1 members to the community.
    Hi Irving, the stock minilathe sensor is hidden in the spindle housing.

    I don't like the idea of a retro-fitted slotted disk twirling around - most mounting locations make them vulnerable to clonks. Hall-effect on a gear is the most robust choice in my opinion.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  3. #33
    here's idea I posted earlier...
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  4. #34
    z3t4's Avatar
    Lives in Manchester, United Kingdom. Last Activity: 19-10-2017 Has been a member for 7-8 years. Has a total post count of 29.
    Quote Originally Posted by irving2008 View Post
    ... and a sensor on the fixed gears may well be easier...
    'tis the very sensor. Mounting it is a bit of a pain, currently in epoxy. Hopefully somebody who knows how it should be done will chip* in.


    *

  5. Quote Originally Posted by Tom View Post
    Hi Irving, the stock minilathe sensor is hidden in the spindle housing.

    I don't like the idea of a retro-fitted slotted disk twirling around - most mounting locations make them vulnerable to clonks. Hall-effect on a gear is the most robust choice in my opinion.
    hmmm, wouldnt be hard to strip headstock down and mill out a section...

  6. #36
    Tom's Avatar
    Location unknown. Last Activity: 30-11-2016 Has been a member for 7-8 years. Has a total post count of 172. Referred 1 members to the community.
    Quote Originally Posted by irving2008 View Post
    hmmm, wouldnt be hard to strip headstock down and mill out a section...
    Eeek - not hard if you have a mill! :nope:

    How about epoxy gluing the allegro sensor onto the end of a modified M10 screw, and passing the wiring up the centre thro a ~5mm dia hole. Then it's just a drill and tap needed to fit, and you can make the screw on the lathe you're modifying. Might need to check clearance to the speed control PCB (locknut if there's room, loctite if there isn't).

    I'm desperately trying to avoid buying a mill! You lot are not helping! :naughty:

  7. #37
    hmmm, wouldnt be hard to strip headstock down and mill out a section...
    Well if you're willing to go that far?....there's a complete opening at the bottom of the casting where it was milled out to begin with,giving you access to the gears...only takes a drilled hole then to pass the wires through to the board.

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