Siemens SINUMERIK 840D sl Operating Manual page 115

If you want to bore out a collet using the stock removal cycle, you can program an undercut
(XF2) in the corner.
Risk of collision
The tool moves along a direct path to the starting point of the stock removal. First move the
tool to a safe position in order to avoid collisions during the approach.
Retraction plane / safety clearance
The retraction plane and safety clearance are set via the machine data
$SCS_MAJOG_SAFETY_CLEARANCE or $SCS_MAJOG_RELEASE_PLANE.
Direction of spindle rotation
If the "ShopMill/ShopTurn" option is activated, the direction of spindle rotation is taken from
the tool parameters entered in the tool list.
If the "ShopMill/ShopTurn" option is not set, select the direction of spindle rotation in the input
screen.
Note
You cannot use the "Repos" function during simple stock removal.
Requirement
To carry out simple stock removal of a workpiece in manual mode, a measured tool must be
in the machining position.
Procedure
Turning
Operating Manual, 05/2017, A5E40868721
CAUTION
Machine manufacturer
Please refer to the machine manufacturer's specifications.
1. Press the "Machine" operating area key
2. Press the <JOG> key.
3. Press the "Stock removal" softkey.
4. Enter desired values for the parameters.
Working in manual mode
5.6 Simple stock removal of workpiece
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