Siemens sinumerik 808d Programming And Operating Manual page 143

Explanation of the parameters
For an explanation of the parameters RTP, RFP, SDIS, DP, and DPR, refer to the topic
"Drilling, centering - CYCLE81 (Page 112)".
DTB (dwell time)
The dwell time to the final drilling depth (chip breakage) is programmed under DTB in
seconds.
Programming example: Fifth boring
At X0, the CYCLE89 drilling cycle is called with a safety clearance of 5 mm and specification
of the final drilling depth as an absolute value. The drilling axis is the Z axis.
N10 G90 G17 F100 S450 M4
N20 G0 X0 Z107
N30 CYCLE89(107, 102, 5, 72, ,3)
N40 M2
Turning Part 2: Programming (Siemens instructions)
Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0
2.4 Drilling cycles
; Specification of technology
values
;Approach drilling position
; Cycle call
; End of program
Cycles
143