1. G Function Description
1.2.19 G37.1: AUTOMATIC TOOL LENGTH
MEASUREMENT - II
Command form:
G37 [Z_] [R_] [F_] [P_] [Q_];
Z: Absolute command for end point of Z in mechanical coordinates.
Value of Pr4057 will be used if Z is not defined.
R: Measuring distance, incremental value from Z position. Value of
Pr4055 will be used if R is not defined.
F: Measuring federate. Value of Pr4057 will be used if F is not defined.
P: Reference point P. Value of Pr4058 will be used if P is not defined.
This action of reference point return will not be executed if Pr4058 is
used and set to 0.
Q: Safety point. The control shall retract Z to machine zero if Q is not
defined.
Description:
Initial Point
Starting Point
Starting Point
Initial Point
signal activated Z’
Z position
Starting point is lower than initial point
signal activated Z’
Z position
Starting point is higher than initial point
1. M90 enable the mist function
2. Return to P reference point with G30. G30 will not be executed if
P is not defined.
1. Rapid move Z to starting point.
2. M91 disable the mist function
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