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(author: Chris P)
(version: 0.1)
(date: 05/8/19)
(Probe calibration offset using defined width square pocket)
(Start probe position is over left side edge of pocket wall)
(inside the step off width distance and within max z distance)
(ensure all settings have been set properly according to help diagrams)
o<probe_cal_square_pocket> sub
(uses NGCGUI style arg spec)
(number after "=" in comment is default value)
#<probe_tool_number> = #1 (=99)
#<max_z_distance> = #2 (=0.5000)
#<max_xy_distance> = #3 (=0.5000)
#<xy_clearance> = #4 (=0.1000)
#<z_clearance> = #5 (=0.1000)
#<step_off_width> = #6 (=0.5000)
#<extra_probe_depth> = #7 (=0.0000)
#<probe_slow_fr> = #8 (=0.0)
#<probe_fast_fr> = #9 (=10.0)
#<calibration_offset> = #10 (=0.0000)
#<x_hint> = #11 (=1.0000)
#<y_hint> = #12 (=1.0000)
#<diameter_hint> = #13 (=1.0000)
#<edge_width> = #14 (=0.5000)
#<probe_mode> = #15 (=0)
#<cal_diameter> = #16 (=0.0000)
#<x_cal_width> = #17 (=1.0000)
#<y_cal_width> = #18 (=1.0000)
#<sq_cal_axis> = #19 (=1)
(Cancel G92 offsets)
G92.1
#<workspace_x> = #[5201 + [20 * #5220]]
#<workspace_y> = #[5202 + [20 * #5220]]
(Probe Tool Safety Check)
o<110> if [#5400 NE #<probe_tool_number>]
(MSG, Specified probe tool #<probe_tool_number> not in spindle, aborting)
o<probe_cal_square_pocket> return
o<110> endif
(Probe Diameter)
#<probe_diameter> = #5410
(remove probe tip diam and cal offset from probed width calculations)
#<probe_diameter_offset> = [#<probe_diameter> - [#<calibration_offset> * 2]]
#<z_probe_stack> = [#<z_clearance> + #<probe_diameter> + #<extra_probe_depth>]
(Call sub "probe_z_minus_sub" to Probe top of Workpiece)
o<probe_z_minus_sub> call [#1][#2][#5][#8][#9][#15]
(Probe X Positioning Move, Step Off Width)
G91
G0 X[#<step_off_width>]
(Probe X Positioning Move, to Probing Depth)
F[#<probe_fast_fr>]
G1 Z-[#<z_probe_stack>]
(Call sub "probe_x_minus" to Probe x- side of Workpiece)
o<probe_x_minus> call [#1][#3][#4][#8][#9][#10]
#<x_minus_probed> = #5061
(Call sub "probe_x_plus" to Probe x+ side of Workpiece)
o<probe_x_plus> call [#1][#3 + #11][#4][#8][#9][#10]
#<x_plus_probed> = #5061
(probed center calculation)
#<x_center_probed> = [[#<x_plus_probed> + #<x_minus_probed>] / 2]
(calculate X Width Probed)
#<raw_width> = [#<x_plus_probed> - #<x_minus_probed>]
(Completed probed width calculations)
#<x_probed_width> = [#<raw_width> + #<probe_diameter_offset>]
M68 E0 Q[#<x_probed_width>]
M68 E10 Q[#<x_center_probed>]
(Probe Completion Move to Z Clearance Plane, and X Zero, Y Zero)
G90
G0 X[#<x_center_probed>]
(Call sub "probe_y_plus" to Probe Y+ side of Workpiece)
o<probe_y_plus> call [#1][#3 + #12 / 2][#4][#8][#9][#10]
#<y_plus_probed> = #5062
(Call sub "probe_y_minus" to Probe Y- side of Workpiece)
o<probe_y_minus> call [#1][#3 + #12][#4][#8][#9][#10]
#<y_minus_probed> = #5062
(probed center calculation)
#<y_center_probed> = [[#<y_plus_probed> + #<y_minus_probed>] / 2]
(calculate Y Width Probed)
#<raw_width> = [#<y_plus_probed> - #<y_minus_probed>]
(Completed probed width calculations)
#<y_probed_width> = [#<raw_width> + #<probe_diameter_offset>]
M68 E1 Q[#<y_probed_width>]
M68 E11 Q[#<y_center_probed>]
G90
G0 Y[#<y_center_probed>]
G91
G0 Z[#<z_probe_stack>]
o<120> if [#<x_cal_width> GT #<x_probed_width>]
(calculate calibration error and adjust calibration offset)
#<x_cal_error> = [[#<x_cal_width> - #<x_probed_width>] / 2]
#<new_x_cal_offset> = [#<calibration_offset> + #<x_cal_error>]
o<120> else
#<x_cal_error> = [[#<x_probed_width> - #<x_cal_width>] / 2]
#<new_x_cal_offset> = [#<calibration_offset> - #<x_cal_error>]
o<120> endif
o<130> if [#<y_cal_width> GT #<y_probed_width>]
(calculate calibration error and adjust calibration offset)
#<y_cal_error> = [[#<y_cal_width> - #<y_probed_width>] / 2]
#<new_y_cal_offset> = [#<calibration_offset> + #<y_cal_error>]
o<130> else
#<y_cal_error> = [[#<y_probed_width> - #<y_cal_width>] / 2]
#<new_y_cal_offset> = [#<calibration_offset> - #<y_cal_error>]
o<130> endif
#<new_avg_cal_offset> = [[#<new_x_cal_offset> + #<new_y_cal_offset>] / 2]
o<140> if [#<sq_cal_axis> EQ 0]
M68 E12 Q[ABS[#<new_avg_cal_offset>]]
o<140> else if [#<sq_cal_axis> EQ 1]
M68 E12 Q[ABS[#<new_x_cal_offset>]]
o<140> else
M68 E12 Q[ABS[#<new_y_cal_offset>]]
o<140> endif
#<x_zero> = [#<x_center_probed> + #<workspace_x>]
#<y_zero> = [#<y_center_probed> + #<workspace_y>]
(probe mode rules for WCO or probe position measuring only)
o<150> if [#<probe_mode> EQ 0]
(Record X Zero in selected WCO)
G10 L2 P#5220 X[#<x_zero>] Y[#<y_zero>]
o<probe_cal_square_pocket> return
o<150> endif
o<probe_cal_square_pocket> endsub
M2 (end program)
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