
11.PROGRAM COMMAND B-63323EN-1/03
- 1128 -
- Canned cycle I (G86 : Boring cycle)
X,Y
Z
SSP
FMF
FFIN
Spindle
rotation
CW
Stop
CW
-R -Z
+Z +R
X,Y
- Canned cycle I (G88 : Boring cycle)
This cycle is the same as the G86 cycle except that dwell is inserted
after -Z cutting.
Canned cycle II
- Functions requiring spindle control
The following six functions require spindle control:
Table. 11.6 (c) Functions Requiring Spindle Control in Canned Cycle II
G code Operation at hole bottom Use
G74 Forward spindle rotation
Reverse tapping
G76 Spindle orientation
Fine boring
G84 Reverse spindle rotation
Tapping
G86 Spindle stop
Boring
G87 Forward spindle rotation
Back boring
G88 Dwell -> spindle stop
Boring
- Miscellaneous functions used
To control the spindle, the following ordinary miscellaneous functions
are used:
Table. 11.6 (d) Miscellaneous Functions for Spindle Control
M code Function
M03 Forward spindle rotation
M04 Reverse spindle rotation
M05 Spindle stop
M19 Spindle orientation
Other miscellaneous functions cannot be used to implement the
functions listed above.