Welcome to Our Community

Some features disabled for guests. Register Today.

Limit Switches

Discussion in 'CNC Mills/Routers' started by leversole, Dec 14, 2015.

  1. leversole

    leversole Journeyman
    Builder

    Joined:
    Nov 1, 2015
    Messages:
    77
    Likes Received:
    14
    When I post my build, I will concentrate on the things I changed...no need to bore people wiht the same things! Anyway, lost my controller (another on the way) and during the down time I took my linmit swtiches off and soldered the leads...the slip on clips sometimes slip off, when they do, you can save a crash only if you can get to the power cord first! HaHa! Anyway, I found a cool out of the way place for the Z limit switch, only bad thing is you have to tear down the machine to get to it (which is why it is now soldered)!

    IMG_2779.JPG IMG_2778.JPG
     
  2. David the swarfer

    David the swarfer OpenBuilds Team
    Staff Member Moderator Builder

    Joined:
    Aug 6, 2013
    Messages:
    909
    Likes Received:
    411
    you should wire your limit switches to the 'normally closed' terminal. that way if a wire comes off the machine stops.
     
  3. leversole

    leversole Journeyman
    Builder

    Joined:
    Nov 1, 2015
    Messages:
    77
    Likes Received:
    14
    Switches are NC only...joint is good, dropped a cold blob on at the last minute!
     
  4. snokid

    snokid Master
    Staff Member Moderator Builder

    Joined:
    Oct 11, 2014
    Messages:
    335
    Likes Received:
    100
    if they are NC then if a wire falls off the machine should stop when that happens.....
    Wire off = open contact.
     
  5. leversole

    leversole Journeyman
    Builder

    Joined:
    Nov 1, 2015
    Messages:
    77
    Likes Received:
    14
    The machine will only stop if the switches are set for Homing + Limits...If set for homing only, loose wire does nothing, until you try to home the machine and it it crashes
     

Share This Page

  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice