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  1. #11
    Quote Originally Posted by Neale View Post
    At a quick glance, that looks like a soft limit problem. When you configured LCNC you should have set up min and max limits for each axis, and those error messages say that you are trying to move beyond one (or more) of them.

    Alternatively, you say you changed the scale. Do you mean you changed the steps per unit settings? 8 microsteps is the right sort of number - did you change the "steps per" the wrong way, by any chance?
    Hi, I have all my min limit set to -0.001 and max limit 1200 on the X, 600 on the Y and 100 on the Z which I used stepconf (Wizard) to generate. Then I edited the ini to get my dual ballscrew working.

    In Linux cnc scale is the amount of microsteps per mm you define it for each axis in the .ini so in my case using 8 microsteps = (8*200)/5==320 for my 1605 screws and (8*200)/4 = 400 for my 1604's.

    # Generated by stepconf 1.1 at Sun Jan 14 20:24:44 2018
    # If you make changes to this file, they will be
    # overwritten when you run stepconf again

    [EMC]
    MACHINE = Test
    DEBUG = 0
    VERSION = 1.0

    [DISPLAY]
    DISPLAY = axis
    EDITOR = gedit
    POSITION_OFFSET = RELATIVE
    POSITION_FEEDBACK = ACTUAL
    ARCDIVISION = 64
    GRIDS = 10mm 20mm 50mm 100mm 1in 2in 5in 10in
    MAX_FEED_OVERRIDE = 1.2
    MIN_SPINDLE_OVERRIDE = 0.5
    MAX_SPINDLE_OVERRIDE = 1.2
    DEFAULT_LINEAR_VELOCITY = 2.50
    MIN_LINEAR_VELOCITY = 0
    MAX_LINEAR_VELOCITY = 25.00
    DEFAULT_ANGULAR_VELOCITY = 36.00
    MIN_ANGULAR_VELOCITY = 0
    MAX_ANGULAR_VELOCITY = 360.00
    INTRO_GRAPHIC = linuxcnc.gif
    INTRO_TIME = 5
    PROGRAM_PREFIX = /home/cnc/linuxcnc/nc_files
    INCREMENTS = 5mm 1mm .5mm .1mm .05mm .01mm .005mm

    [KINS]
    JOINTS = 4
    KINEMATICS = trivkins coordinates=XYYZ

    [FILTER]
    PROGRAM_EXTENSION = .png,.gif,.jpg Greyscale Depth Image
    PROGRAM_EXTENSION = .py Python Script
    png = image-to-gcode
    gif = image-to-gcode
    jpg = image-to-gcode
    py = python

    [TASK]
    TASK = milltask
    CYCLE_TIME = 0.010

    [RS274NGC]
    PARAMETER_FILE = linuxcnc.var

    [EMCMOT]
    EMCMOT = motmod
    COMM_TIMEOUT = 1.0
    BASE_PERIOD = 100000
    SERVO_PERIOD = 1000000

    [HAL]
    HALFILE = Test.hal
    HALFILE = custom.hal
    POSTGUI_HALFILE = postgui_call_list.hal

    [TRAJ]
    COORDINATES = X Y Z
    LINEAR_UNITS = mm
    ANGULAR_UNITS = degree
    DEFAULT_LINEAR_VELOCITY = 36.00
    MAX_LINEAR_VELOCITY = 25.00

    [EMCIO]
    EMCIO = io
    CYCLE_TIME = 0.100
    TOOL_TABLE = tool.tbl

    [AXIS_X]
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    MIN_LIMIT = -0.001
    MAX_LIMIT = 1200.0

    [JOINT_0]
    TYPE = LINEAR
    HOME = 0.0
    MIN_LIMIT = -0.001
    MAX_LIMIT = 1200.0
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    STEPGEN_MAXACCEL = 937.5
    SCALE = 320
    FERROR = 1
    MIN_FERROR = .25
    HOME_OFFSET = 0.0

    [AXIS_Y]
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    MIN_LIMIT = -0.001
    MAX_LIMIT = 600.0

    [JOINT_1]
    TYPE = LINEAR
    HOME = 0.0
    MIN_LIMIT = -0.001
    MAX_LIMIT = 600.0
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    STEPGEN_MAXACCEL = 937.5
    SCALE = 400
    FERROR = 1
    MIN_FERROR = .25
    HOME_OFFSET = 0.0

    [JOINT_2]
    TYPE = LINEAR
    HOME = 0.0
    MIN_LIMIT = -0.001
    MAX_LIMIT = 600.0
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    STEPGEN_MAXACCEL = 937.5
    SCALE = 400.0
    FERROR = 1
    MIN_FERROR = .25
    HOME_OFFSET = 0.0


    [AXIS_Z]
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    MIN_LIMIT = -100.0
    MAX_LIMIT = 0.001

    [JOINT_3]
    TYPE = LINEAR
    HOME = 0.0
    MIN_LIMIT = -100.0
    MAX_LIMIT = 0.001
    MAX_VELOCITY = 25.0
    MAX_ACCELERATION = 750.0
    STEPGEN_MAXACCEL = 937.5
    SCALE = 320
    FERROR = 1
    MIN_FERROR = .25
    HOME_OFFSET = 0.0
    Last edited by Desertboy; 15-01-2018 at 03:59 PM.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

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