
13. Program Support Functions
13.1 Fixed Cycles
251
(4) Canned cycle addresses and meanings
Address Significance
Label L
Label O
G G
Selection of hole machining cycle sequence (G80 to G89, G73,
G74, G76)
X X
Designation of hole drilling position (absolute value or
incremental value)
Y Y
Designation of hole drilling position (absolute value or
incremental value)
Z Z
Designation of hole bottom position (absolute value or
incremental value)
P(E) E
Designation of dwell time at hole bottom position (decimal
points will be ignored)
or designation of tool radius compensation No. for G75
Q Q
Designation of cut amount for each cutting pass for G73 or
G83, designation of the shift amount for G76 or G87
(incremental value), or designation of the radius of outer
circumference for G76 or G87
R R
Designation of R point position (absolute value or incremental
value)
F F
Designation of feed rate for cutting feed (asynchronous
tapping) or number of Z axis pitch (synchronous tapping)
L(H) P
Designation of number of repetitions. (0 to 9999) When
″
0
″
is
set, no execution
I, J, K
I, J, K
Designation of shift amount for G76 or G87 (incremental value)
(The shift amount is designated with Q address according to
the parameter setting.)
S S
Spindle rotation speed command
(Note1)
S command that was issued with the form of “Sn =
******” will be ignored during the synchronous tapping.
(n:spindle No., *****:rotation speed)
(Note2)
If S command is issued in the synchronous tapping
modal, the program error (P186) will occur.
,S ,S
Spindle rotation speed designation during retaction
,R ,R
Designation of synchronous tapping/asynchronous tapping
(If ",R" setting is omitted, that depends on the parameter
setting.)
M M
Designation of miscellaneous command
(Note)
On the asynchr
onous tapping with normal tapping,
spindle forward rotation will be applied for Mm1
basically. Note that the spindle reverse rotation should
be commanded with M(m1 + 1), that is, the M code of
spindle forward rotation c1, or that could
lead an incor
rect
operation
.
,I
,I
Designation of positioning axis in-position width
,J
,J
Designation of drilling axis in-position width
(Note1)
Only for G75, P address is handled as the compensation No. but not dwell time or number
of repetition.
(Note2)
When the synchronous tapping (,R) is commanded, the E address is handled as
designation of the number of ridges.