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ACU-RITE 3500i 151
7. 2 C a n n e d C y c l e s
Boring Bidirectional Cycle
Boring Bidirectional is a boring cycle, generally used to make a pass
in each direction on a bore or to tap with a self-reversing tapping
head. It feeds from the R-plane to Z depth, and then feeds back to
the retract height.
G-code format: G85
Boring Unidirectional Cycle
Boring Unidirectional is a boring cycle that allows the X-axis to back
off the bore surface after the spindle has stopped and oriented itself.
The cycle feeds from the R-plane to Z depth, dwell for the specified
time, stop and orient the spindle to the specified angle C, back off
in X, rapid retract in Z, re-position in X, and restart the spindle.
G-code format: G86
Field Code Description
ZDepth Z Absolute hole depth. (Required)
StartHgt R Initial Z start point, in rapid. (Required)
ReturnHgt P Z return point after hole depth, in rapid.
Feed F Feedrate
Dwell D Dwell time
Your machine must be equipped with spindle M-functions
(Spindle Forward [M3], Spindle Reverse [M4], Spindle Off
[M5]) and spindle orientation (M19) to use this cycle. Do
not use this cycle if the machine does not have the spindle
commands and spindle orientation.
Field Code Description
ZDepth Z Absolute hole depth. (Required)
StartHgt R Initial Z start point, in rapid. (Required)
X Backoff I X-axis incremental backoff distance in X
(positive or negative dimension).
Feed F Feedrate
ReturnHgt P Z retract height after hole depth, in rapid.
Index
Angle
C M19 index angle. If no angle is given, the
angle for spindle orientation defaults to
zero.
Dwell D Dwell time (in seconds).