Siemens SINUMERIK 840D sl Operating Manual page 136

Execution in manual mode
5.2 Selecting a tool and spindle
Parameter Meaning
ST Sister tool number (1 - 99 for sister tool strategy)
Spindle Spindle selection, identification with spindle number
Spindle M function
Other M functions Input of machine functions
Refer to the machine manufacturer's table for the correlation between the meaning and
number of the function.
Work offset G Selection of the work offset (basic reference, G54 - 57)
You can select work offsets from the tool list of settable work offsets via the "Work offset"
softkey.
Dimension unit Selecting the measurement unit
The setting made here has an effect on the programming.
Machining plane Selection of the machining plane (G17(XY), G18 (ZX), G19 (YZ))
Gear stage Specification of the gear stage (auto, I - V)
Stop position Entering the spindle position
Note
Spindle positioning
You can use this function to position the spindle at a specific angle, e.g. during a tool change.
● A stationary spindle is positioned via the shortest possible route.
● A rotating spindle is positioned as it continues to turn in the same direction.
Additional parameters for milling/turning machines
For milling/turning machines, additional parameters are displayed to align the turning tools:
●
- or -
● if the T field is empty, and a turning tool is currently active.
Parameter Meaning
TC Name of the swivel data record
β Angle of the tool to the axis of rotation
Input value
136
Spindle off: Spindle is stopped
CW rotation: Spindle rotates clockwise
CCW rotation: Spindle rotates counterclockwise
Spindle positioning: Spindle is moved to the desired position.
if a turning tool was selected in field "T".
Zero degrees
90 degrees
The required angle can be freely entered
Unit
inch
mm
degrees
Unit
degrees
Operating Manual, 05/2017, A5E40868956
Milling