Siemens SINUMERIK 840D sl Operating Manual page 395

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 plane-by-plane machining
In plane-by-plane machining of the circular pocket, the material is removed horizontally, one
layer at a time.
1. The tool approaches the center point of the pocket at rapid traverse at the height of the
2. The tool is inserted into the material according to the method selected.
3. The circular pocket is always machined from inside out using the selected machining
4. The tool moves back to the safety distance at rapid traverse.
Approach/retraction during helical machining
In helical machining, the material is removed down to pocket depth in a helical movement.
1. The tool approaches the center point of the pocket at rapid traverse at the height of the
2. Infeed to the first machining diameter.
3. The circular pocket is machined to pocket depth using the selected machining method.
4. The tool moves back to the safety distance at rapid traverse.
Turning
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
Machine manufacturer
Please refer to the machine manufacturer's specifications.
retraction plane and adjusts to the safety distance.
method.
retraction plane and adjusts to the safety distance.
Programming technology functions (cycles)
8.4 Milling
395