System information

SECTION FOUR - PREPARATORY FUNCTIONS (G CODES)
For drilling cycles you may use:
P140 for Clearance plane
P148 for Dwell before spindle reverses in tap cycles
P141 for Final Z depth
P142 for Z initial level
P143 for Z increment
P144 for 1st Z depth
P145 for Z feedrate
P146 for Peck up increment
P147 for Peck clearance
P149 for Dwell
The drilling mode (G__ __) remains unchanged until another drilling mode is specified or the
canned cycle is canceled with a G80. Once the drilling data has been specified in a canned cycle,
it is retained until it is changed. All required drilling data needs to be specified when the canned
cycle is started; only data to be changed needs to be specified during the cycle.
Canned cycles are canceled at the beginning of each program.
G73 through G78, G81 to G89 without an axis move will not drill a hole. The G codes turns on
the drilling cycle only.
Equally spaced holes can be programmed by use of the L address.
G81 R___ Z___ F___
G91 X___ Y___ L___
X___ Y____ specifies the first and subsequent hole positions in the incremental mode (G91). In
the absolute mode (G90), a hole would be repeatedly drilled at the same position. K can be used
instead of L to specify the number of holes.
271