Siemens SINUMERIK 840D sl Operating Manual page 290

Programming technology functions (cycles)
8.1 Drilling
Approach/retraction during stock removal
1. The tool moves with G0 to safety clearance of the reference point.
2. The tool drills with the programmed spindle speed and feedrate F = F · FD1 [%] up to the
3. Dwell time at drilling depth DTB.
4. The tool retracts from the workpiece for the stock removal with rapid traverse to the safety
5. Dwell time at starting point DTS.
6. Approach of the last drilling depth with G0, reduced by the clearance distance V3.
7. Drilling is then continued to the next drilling depth.
8. Steps 4 to 7 are repeated until the programmed final drilling depth Z1 is reached.
9. The tool retracts to the retraction plane at rapid traverse.
Procedure
Parameters, G code program
PL Machining plane
RP Retraction plane
SC Safety clearance
290
1st infeed depth.
clearance.
1. The part program or ShopTurn program to be processed has been
created and you are in the editor.
2. Press the "Drilling" softkey.
3. Press the "Deep-hole drilling" softkey.
The "Deep-hole Drilling" input window opens.
mm
mm
Parameters, ShopTurn program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant
cutting rate
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
mm/min
mm/rev
rpm
m/min
Turning