185
96-8000 Rev AC
May 2010
G
&
M
Codes
Settings
Y
Y start position
Z
Final depth of pocket
The G150 starts by positioning the cutter to a start point inside the pocket, fol
-
lowed by the outline, and completes with a finish cut. The end mill will plunge
in the Z-axis. A subprogram P### is called that defines the pocket geometry
of a closed area using G01, G02, and G03 motions in the X and Y axes on
the pocket. The G150 command will search for an internal subprogram with a
N-number specified by the P-code. If that is not found the control will search
for an external subprogram. If neither are found, alarm 314 Subprogram Not In
Memory will be generated.
NOTE: When defining the G150 pocket geometry in the subprogram, do
not move back to the starting hole after the pocket shape is closed.
An I or J value defines the roughing pass amount the cutter moves over for
each cut increment. If I is used, the pocket is roughed out from a series of
increment cuts in the X-axis. If J is used, the increment cuts are in the Y-axis.
The K command defines a finish pass amount on the pocket. If a K value is
specified, a finish pass is performed by K amount, around the inside of pocket
geometry for the last pass and is done at the final Z depth. There is no finishing
pass command for the Z depth.
The R value needs to be specified, even if it is zero (R0), or the last R value
that was specified will be used.
Multiple passes in the pocket area are done, starting from the R plane, with
each Q (Z-axis depth) pass to the final depth. The G150 command will first
make a pass around pocket geometry, leaving stock with K, then doing passes
of I or J roughing out inside of pocket after feeding down by the value in Q until
the Z depth is reached.
The Q command must be in the G150 line, even if only one pass to the Z depth
is desired. The Q command starts from the R plane.
Notes:
The subprogram (P) must not consist of more than 40 pocket ge
-
ometry moves.
The Q command must be in the G150 line, even if only one pass to the Z depth
is desired. The Q command starts from the R plane.
It may be necessary to drill a starting point, for the G150 cutter, to the final
depth (Z). Then position the end mill to the start location in the XY axes within
the pocket for the G150 command.
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