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  1. #1
    Join Date
    Mar 2003
    Posts
    35494
    Curious why you have it set up so that all the coordinates are negative?

    The reason you can't jog in the Y- direction is because you're home position is already at the limit of your soft limits, at -27.5. How far do you want to be able to move (from home) in the Y- direction? If you want to move 10", then change the softlimits to -37.5.

    It's hard to tell in the pic, but it looks like if the router mover right along the gantry, that would be X+. Do you have Y- moving towards me in the pic?
    Gerry

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

  2. #2
    Join Date
    Sep 2003
    Posts
    1490
    Quote Originally Posted by ger21 View Post
    Curious why you have it set up so that all the coordinates are negative?

    The reason you can't jog in the Y- direction is because you're home position is already at the limit of your soft limits, at -27.5. How far do you want to be able to move (from home) in the Y- direction? If you want to move 10", then change the softlimits to -37.5.

    It's hard to tell in the pic, but it looks like if the router mover right along the gantry, that would be X+. Do you have Y- moving towards me in the pic?
    The table is in the XYZ home position now.
    The cut area in the Y axis is 27.5". So I want the table to move 27.5" in the - direction.
    I added the Axis and direction on the photo. Possibly this will help you.
    Attached Thumbnails Attached Thumbnails CNC XYZ Home Position.jpg  

  3. #3
    Join Date
    May 2006
    Posts
    1469
    It is perfectly reasonable to have the machine hit home switches in the position shown but you have your Y axis pos and neg around the wrong way.

    Change that by reversing the Y in "homing and limits"

    Then set the "home off" amounts to, X 0 and Y 27.5

    Get that right and get your head around it before progressing to setting up soft limits.

    Which will be something like X 0-19 and Y 0- 27.5

    Greg

    EDIT: Oh yeah you also must set the Y to seek home in the positive direction

  4. #4
    Join Date
    Sep 2003
    Posts
    1490

    Question

    Quote Originally Posted by Greolt View Post
    It is perfectly reasonable to have the machine hit home switches in the position shown but you have your Y axis pos and neg around the wrong way.

    Change that by reversing the Y in "homing and limits"

    Then set the "home off" amounts to, X 0 and Y 27.5

    Get that right and get your head around it before progressing to setting up soft limits.

    Which will be something like X 0-19 and Y 0- 27.5

    Greg

    EDIT: Oh yeah you also must set the Y to seek home in the positive direction
    I think I changed it like you suggested see photos, shut Mach down and restarted and with it set like that the Reference all Home still works but I can no longer activate the "Soft Limits" button.

    My head hurts, wrapping too much I guess.

    Most people use a movable gantry and I have a movable table, like a milling machine, this may be the confusion???
    Attached Thumbnails Attached Thumbnails HOME-LIMIT2.jpg   DRO2.jpg  

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