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6 MOTION PROGRAMS FOR POSITIONING CONTROL
(b) Locus of G101
Acceleration-fixed acceleration/deceleration method is used to enable the correct
locus control between positioning points for CP operation. Set a G101 to execute
the correct locus control. However, be careful that the speed fluctuation increases
at a pass point and the vibration may be occurred in the machine.
This is indicated by the following example.
1) Linear interpolation
The direction changes to 90° in a point during positioning. The correct locus control in a point during
positioning with command speed is executed.
O200;
G101;
G91 G01 X0.Y100.F100.;
X100.;
M02;
%
Positioning point
1) The correct locus control is
executed in a positioning point
set in a program.
Acceleration-fixed
acceleration/deceleration
method
Y-axis
X-axis
1)
Y-axis
X-axis
2) Circular interpolation
In the case of G02/G03 (Circular interpolation), the correct locus control is executed on circular arc set
in a program.
O210;
G101;
G90 G02 X0.Y0.I0.J50.F500.;
M02;
%
Correct locus control on
circular arc set in a program
Exam
p
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