Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 836)

Using Transfer Line Cycles
Chapter 31
31-34
Template 5: Right- Hand Tapping 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 tapping operation.
X 503 DEPTH TO TAP The location to which the tool taps into the part.
R 504 CLEAR POSITION The location 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 tapping operations, and all moves represented by the solid lines in the
QuickView screens.
P 508 AMOUNT OF DWELL The amount of time the axis pauses before it retracts from the hole; measured in
seconds.
X 509 TOOL CHANGE POSITION The location to which the control moves so that a tool change may be performed.
S 510 SPINDLE SPEED The speed of the spindle. Measured in revolutions per minute.
Required entry Optional entry
Figure 31.8
Right-Hand Tapping Cycle
Spindle rotation direction
reversed at hole bottom
Spindle rotation
in the forward
direction
1
2
3
4
5
6
7
Cutting feedrate
Maximum cutting feedrate
Depth of Hole
Clear Position
Return
Position
Hole Position