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244 7 Programming: Canned Cycles, sub-programs
7.4 Sub-programs
Blocks 1 through 4 are comments.
Blocks 5 through 7 define common defaults.
Block 8 defines the blockform or stock size. This is only needed for
the 3D solid. The stock defined is 6x6 with center at 0,0.
Blocks 9 through 12 define the tool, RPM and turn on the spindle
and coolant.
Block 14 defines an island in sub-program #1. The actual island is
then defined in blocks 20 through 27.
Block 15 defines an irregular pocket. The contour for the pocket is
sub-program #2 which is defined in blocks 30 through 37.
This is the rendering of the program after being ran in Draw. The top
view is the line draw, and the bottom view is the 3D solid model.
Approximate machining time is 11 minutes.
The island must always be programmed before the
corresponding pocket. Also note that the island must
specify the machining. In this case, since the island profile
is defined in a clockwise orientation, the machining side is
to the left (see block 22).