
B–63172EN/01
12. FUNCTIONS TO SIMPLIFY
PROGRAMMING
NC FUNCTION
67
Canned cycle is a function to simplify commands for machining (boring,
drilling, or tapping, etc. The canned cycle has the positioning plane and
the drilling axis. The positioning plane is specified with the plane
selection of G17, G18, and G19. The drilling axis is the basic axis X, Y
or Z (that does not compose the positioning plane) or its parallel axis.
G code Positioning plane Drilling axis
G17 Xp–Yp plane Xp
G18 Zp–Xp plane Yp
G19 Yp–Zp plane Zp
Xp : X axis or its parallel axis
Yp : Y axis or its parallel axis
Zp : Z axis or its parallel axis
The drilling axis address commanded in the same block as the G codes,
G73 – G89, decides whether the drilling axis is the basic axis or its parallel
axis. If the drilling axis address was not commanded, the basic axis
becomes the drilling axis.
Axis other than the drilling axis becomes the positioning axis.
Example)
When U, V, W axes are set as parallel axes for X, Y, Z axes respectively.
G17G81 Z_ ; Drilling axis is Z axis.. . . . .
G17G81 W_ ; Drilling axis is W axis.. . . . .
G18G81 Y_ ; Drilling axis is Y axis.. . . . .
G18G81 V_ ; Drilling axis is V axis.. . . . .
G19G81 X_ ; Drilling axis is X axis.. . . . .
G19G81 U_ ; Drilling axis is U axis.. . . . .
It is not always necessary to command G17, G18, G19 in the same
block as G73 – G89.
NOTE
X axis can always be appointed the drilling axis by
parameter setting.
A canned cycle can be canceled by G80 or a G code (G00 to G03) of group
01.
Positioning can be commanded with optional axes other than the drilling
axis. The drilling cycle starts after the positioning.
The description below assumes that the hole machining axis is the X–axis.
The following 12 types of canned cycles are available.
12.1
CANNED CYCLES
(G73, G74, G76,
G80 – G89, G98, G99)
(ONLY FOR Power
Mate i–D)