Programming manual
210
CNC 8070
10.
CANNED CYCLES
G81. Drilling canned cycle
(SOFT V02.0X)
182
10.2 G81. Drilling canned cycle
Programming format in Cartesian coordinates:
G81 Z I K
Parameter definition:
Basic operation:
1. If the spindle was previously running, it maintains the turning
direction. If it is stopped, it starts clockwise (M03).
2. Rapid movement (G0) of the longitudinal axis from the starting
plane (Zi) to the reference plane (Z).
3. Drill the hole. Movement of the longitudinal axis at work feedrate,
to the bottom of the hole programmed in "I".
4. Dwell, in seconds, if it has been programmed.
5. Rapid withdrawal (G0) to the starting plane (Zi) if function G98 is
active or to the reference plane (Z) if function G99 is active.
Z Reference plane.
In G90, coordinate referred to part zero.
In G91, coordinate referred to starting plane (Zi).
If not programmed, it assumes as reference plane the current
position of the tool (Z=Zi).
I Drilling depth.
In G90, coordinate referred to part zero.
In G91, coordinate referred to reference plane (Z).
K Delay, in seconds, between the drilling and the withdrawal
movement.
If not programmed, it assumes K0.
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