Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 845)

Using Transfer Line Cycles
Chapter 31
31-43
Template 12: Back Boring Cycle
Letter Paramacro Label Description
G 500 G90/91 G-codes G90 or G91 for absolute or incremental modes. At this time only absolute
mode, G90, is available.
X,Y 501, 502 HOLE POSITION X, Y The location to which the tool moves before it begins a boring operation.
X 503 DEPTH OF HOLE The location to which the tool bores into the part.
R 504 CLEAR POSITION The location that the tool retracts to after an operation. It is completely free of the
part. This also known as the R plane.
X,Y 505, 506 RETURN POSITION X, Y The location where the controls starts and stops a cycle.
F 507 FEEDRATE The feedrate for drilling/boring operations, and all moves represented by the solid
lines in the QuickView screens. This is also the maximum feedrate for operations
that use adaptive depth.
Q 508 SHIFT AMOUNT The amount of distance that spindle shifts along the AMPed axis. The axis that the
spindle orients to after the cut is set in AMP. This cannot be used if the I and J
words are used.
X 511 TOOL CHANGE POSITION The location the control moves to so that a tool change may be performed.
I 512 HARD STOP SENSE ZONE Once it reaches this location, the control knows to expect a hard stop before
reaching the hole bottom.
I 513 ADAPTIVE DEPTH
INCREMENT The amount of distance that the control will increment the tool into the part during an
adaptive depth operation.
M 514 M03/M04 The M--code used to turn the spindle clockwise or counter-clockwise.
S 515 SPINDLE SPEED The speed of the spindle. Measured in revolutions per minute.
Required entry Optional entry
Figure 31.15
Back Boring Cycle
Spindle
orientation
Spindle orientation
Spindle orientation forward
after returning to initial
point level
Spindle rotation forward
1
2
3
4 5
6
7
8
Cutting feedrate
Maximum cutting feedrate
Shift amount
Depth of Hole
Clear Position
Hole Position
Return
Position