Siemens SINUMERIK 840D sl Operating Manual page 297

Clamping the spindle
For ShopTurn, the "Clamp spindle" function can be set up by the machine manufacturer.
See also
Clamping the spindle (Page 234)
Approach/retraction during chipbreaking
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 is retracted by retraction distance V2 for chipbreaking and drills up to the next
5. Step 4 is repeated until the final drilling depth Z1 is reached.
6. Dwell time at final drilling depth DT.
7. The tool retracts to the retraction plane at rapid traverse.
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.
Turning
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
Machine manufacturer
Please refer to the machine manufacturer's specifications.
1st infeed depth.
infeed depth with programmed feedrate F.
1st infeed depth.
clearance.
Programming technology functions (cycles)
8.1 Drilling
297