Drilling, Centering - Cycle81 - Siemens SINUMERIK 808D ADVANCED Programming And Operating Manual

See the following illustration for length compensation:
Dwell time programming
The parameters for dwell times in the drilling cycles are always assigned to the F word and must therefore be assigned with
values in seconds. Any deviations from this procedure must be expressly stated.
9.4.3

Drilling, centering - CYCLE81

Programming
CYCLE81 (RTP, RFP, SDIS, DP, DPR)
Parameters
Parameter Data type
RTP REAL
RFP REAL
SDIS REAL
DP REAL
DPR REAL
Function
The tool drills at the programmed spindle speed and feedrate to the entered final drilling depth.
Sequence
Position reached prior to cycle start:
The drilling position is the position in the two axes of the selected plane.
The cycle creates the following sequence of motions:
Approach of the reference plane brought forward by the safety clearance by using G0
● Traversing to the final drilling depth at the feedrate programmed in the calling program (G1)
● Retraction to the retraction plane with G0
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Description
Retraction plane (absolute)
Reference plane (absolute)
Safety clearance (enter without sign)
Final drilling depth (absolute)
Final drilling depth relative to the reference plane (enter without sign)
Programming and Operating Manual (Milling)
6FC5398-4DP10-0BA1, 01/2014