
PROGRAMMING19. HIGH SPEED CUTTING FUNCTIONS
B–63534EN/02
512
The speed specified with the F command issued when a cutting block
group (such as G01 and G02) starts is assumed the
acceleration/deceleration reference speed,
This method is used if the G05.1Q1 block or G05 P10000 block does not
have an F command and the parameter of the acceleration/deceleration
reference speed is set to 0.
(G00)
G01 X––– Y––– Z––– F*** ;
X––– Y––– Z–––
X––– Y––– Z–––
X––– Y––– Z–––
G00 ;
Cutting block group
Even if an F command is issued before a cutting block group and the F
command is effective to the cutting block group modally, the speed
specified with the modal F effective at the start of cutting will be assumed
the acceleration/deceleration reference speed.
Optimum bell–shaped acceleration/deceleration before interpolation, as
mentioned here, refers to bell–shaped acceleration/deceleration before
interpolation in which linear acceleration/deceleration not reaching the
specified acceleration/deceleration does not occur if T2 > T1. Calculation
is performed as described below.
(1) If the bell–shaped acceleration/deceleration before interpolation time
constant T2’ is calculated under the condition that the bell–shaped
acceleration/deceleration before interpolation must not have a linear
portion,
A
F2T
2T
*
=
'
T2: Acceleration change time specified for bell–shaped acceleration/
deceleration before interpolation
F: Acceleration/deceleration reference speed
A: Acceleration for the acceleration/deceleration before interpolation
(3) Using the speed
specified with the F
command issued at
the start of cutting as
the reference speed
D Acceleration/deceleratio
n parameter calculation
method