X axis on right side

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  • #10177
    dollarz81
    Member

    Hello. I have a CNC with the home set up on the front right side of the machine. Because of the code to get it to home correctly, the machine cuts a mirror image of the design.

    Ive tried to set up x end stop as xmax and reverse the polarity of the motor, the y axis would crash during the homing process.

    Im a noob and any help is appreciated.

    [fb] firmware build 440.20
    [fv] firmware version 0.97
    [hp] hardware platform 1.00
    [hv] hardware version 8.00
    [id] TinyG ID 3Y2462-PUF
    [ja] junction acceleration 100000 mm
    [ct] chordal tolerance 0.0100 mm
    [sl] soft limit enable 1
    [st] switch type 0 [0=NO,1=NC]
    [mt] motor idle timeout 2.00 Sec
    [ej] enable json mode 0 [0=text,1=JSON]
    [jv] json verbosity 4 [0=silent,1=footer,2=messages,3=configs,4=linenum,5=verbose]
    [js] json serialize style 1 [0=relaxed,1=strict]
    [tv] text verbosity 1 [0=silent,1=verbose]
    [qv] queue report verbosity 1 [0=off,1=single,2=triple]
    [sv] status report verbosity 1 [0=off,1=filtered,2=verbose]
    [si] status interval 250 ms
    [ec] expand LF to CRLF on TX 0 [0=off,1=on]
    [ee] enable echo 0 [0=off,1=on]
    [ex] enable flow control 1 [0=off,1=XON/XOFF, 2=RTS/CTS]
    [baud] USB baud rate 5 [1=9600,2=19200,3=38400,4=57600,5=115200,6=230400]
    [net] network mode 0 [0=master]
    [gpl] default gcode plane 0 [0=G17,1=G18,2=G19]
    [gun] default gcode units mode 1 [0=G20,1=G21]
    [gco] default gcode coord system 1 [1-6 (G54-G59)]
    [gpa] default gcode path control 2 [0=G61,1=G61.1,2=G64]
    [gdi] default gcode distance mode 0 [0=G90,1=G91]
    [1ma] m1 map to axis 2 [0=X,1=Y,2=Z…]
    [1sa] m1 step angle 1.800 deg
    [1tr] m1 travel per revolution 8.0000 mm
    [1mi] m1 microsteps 8 [1,2,4,8]
    [1po] m1 polarity 1 [0=normal,1=reverse]
    [1pm] m1 power management 2 [0=disabled,1=always on,2=in cycle,3=when moving]
    [2ma] m2 map to axis 0 [0=X,1=Y,2=Z…]
    [2sa] m2 step angle 1.800 deg
    [2tr] m2 travel per revolution 8.0000 mm
    [2mi] m2 microsteps 8 [1,2,4,8]
    [2po] m2 polarity 0 [0=normal,1=reverse]
    [2pm] m2 power management 2 [0=disabled,1=always on,2=in cycle,3=when moving]
    [3ma] m3 map to axis 1 [0=X,1=Y,2=Z…]
    [3sa] m3 step angle 1.800 deg
    [3tr] m3 travel per revolution 8.0000 mm
    [3mi] m3 microsteps 8 [1,2,4,8]
    [3po] m3 polarity 1 [0=normal,1=reverse]
    [3pm] m3 power management 2 [0=disabled,1=always on,2=in cycle,3=when moving]
    [4ma] m4 map to axis 1 [0=X,1=Y,2=Z…]
    [4sa] m4 step angle 1.800 deg
    [4tr] m4 travel per revolution 8.0000 mm
    [4mi] m4 microsteps 8 [1,2,4,8]
    [4po] m4 polarity 1 [0=normal,1=reverse]
    [4pm] m4 power management 2 [0=disabled,1=always on,2=in cycle,3=when moving]
    [xam] x axis mode 1 [standard]
    [xvm] x velocity maximum 1600 mm/min
    [xfr] x feedrate maximum 800 mm/min
    [xtn] x travel minimum 0.000 mm
    [xtm] x travel maximum 710.000 mm
    [xjm] x jerk maximum 20 mm/min^3 * 1 million
    [xjh] x jerk homing 800 mm/min^3 * 1 million
    [xjd] x junction deviation 0.0500 mm (larger is faster)
    [xsn] x switch min 1 [0=off,1=homing,2=limit,3=limit+homing]
    [xsx] x switch max 0 [0=off,1=homing,2=limit,3=limit+homing]
    [xsv] x search velocity 800 mm/min
    [xlv] x latch velocity 40 mm/min
    [xlb] x latch backoff 5.000 mm
    [xzb] x zero backoff 1.000 mm
    [yam] y axis mode 1 [standard]
    [yvm] y velocity maximum 1600 mm/min
    [yfr] y feedrate maximum 800 mm/min
    [ytn] y travel minimum 0.000 mm
    [ytm] y travel maximum 740.000 mm
    [yjm] y jerk maximum 20 mm/min^3 * 1 million
    [yjh] y jerk homing 800 mm/min^3 * 1 million
    [yjd] y junction deviation 0.0500 mm (larger is faster)
    [ysn] y switch min 1 [0=off,1=homing,2=limit,3=limit+homing]
    [ysx] y switch max 0 [0=off,1=homing,2=limit,3=limit+homing]
    [ysv] y search velocity 800 mm/min
    [ylv] y latch velocity 40 mm/min
    [ylb] y latch backoff 5.000 mm
    [yzb] y zero backoff 1.000 mm
    [zam] z axis mode 1 [standard]
    [zvm] z velocity maximum 1600 mm/min
    [zfr] z feedrate maximum 800 mm/min
    [ztn] z travel minimum 0.000 mm
    [ztm] z travel maximum 105.000 mm
    [zjm] z jerk maximum 20 mm/min^3 * 1 million
    [zjh] z jerk homing 800 mm/min^3 * 1 million
    [zjd] z junction deviation 0.0500 mm (larger is faster)
    [zsn] z switch min 0 [0=off,1=homing,2=limit,3=limit+homing]
    [zsx] z switch max 1 [0=off,1=homing,2=limit,3=limit+homing]
    [zsv] z search velocity 800 mm/min
    [zlv] z latch velocity 40 mm/min
    [zlb] z latch backoff 5.000 mm
    [zzb] z zero backoff 1.000 mm
    [aam] a axis mode 3 [radius]
    [avm] a velocity maximum 230400 deg/min
    [afr] a feedrate maximum 230400 deg/min
    [atn] a travel minimum -1.000 deg
    [atm] a travel maximum -1.000 deg
    [ajm] a jerk maximum 5760 deg/min^3 * 1 million
    [ajh] a jerk homing 11520 deg/min^3 * 1 million
    [ajd] a junction deviation 0.0500 deg (larger is faster)
    [ara] a radius value 0.1990 deg
    [asn] a switch min 0 [0=off,1=homing,2=limit,3=limit+homing]
    [asx] a switch max 0 [0=off,1=homing,2=limit,3=limit+homing]
    [asv] a search velocity 600 deg/min
    [alv] a latch velocity 100 deg/min
    [alb] a latch backoff 5.000 deg
    [azb] a zero backoff 2.000 deg
    [bam] b axis mode 0 [disabled]
    [bvm] b velocity maximum 3600 deg/min
    [bfr] b feedrate maximum 3600 deg/min
    [btn] b travel minimum -1.000 deg
    [btm] b travel maximum -1.000 deg
    [bjm] b jerk maximum 20 deg/min^3 * 1 million
    [bjd] b junction deviation 0.0500 deg (larger is faster)
    [bra] b radius value 1.0000 deg
    [cam] c axis mode 0 [disabled]
    [cvm] c velocity maximum 3600 deg/min
    [cfr] c feedrate maximum 3600 deg/min
    [ctn] c travel minimum -1.000 deg
    [ctm] c travel maximum -1.000 deg
    [cjm] c jerk maximum 20 deg/min^3 * 1 million
    [cjd] c junction deviation 0.0500 deg (larger is faster)
    [cra] c radius value 1.0000 deg
    [p1frq] pwm frequency 100 Hz
    [p1csl] pwm cw speed lo 1000 RPM
    [p1csh] pwm cw speed hi 2000 RPM
    [p1cpl] pwm cw phase lo 0.125 [0..1]
    [p1cph] pwm cw phase hi 0.200 [0..1]
    [p1wsl] pwm ccw speed lo 1000 RPM
    [p1wsh] pwm ccw speed hi 2000 RPM
    [p1wpl] pwm ccw phase lo 0.125 [0..1]
    [p1wph] pwm ccw phase hi 0.200 [0..1]
    [p1pof] pwm phase off 0.100 [0..1

    #10178
    cmcgrath5035
    Moderator

    I a little confused – the parameter dump you attached has Xmin set up as homing. -?

    Also, I am not sure what you mean by ” the code to get it to home correctly,”
    Did you hand code a homing sequence?
    Parameter files are real tough to review via this forum tool.
    Better to place the parameter dump (all of it, including the offsets section) into a Cloud drive (dropbox, Gdrive, etc) and provide a URL for viewing.

    I think what you want can be done, but you may need to create your Gcode design in the (-X,+Y) quadrant of the 2D design space.

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