Changing The Feedrate/Spindle Type - Siemens SINUMERIK 808D User Manual

Turning and milling machines
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Note
The F value (feed rate) or the S value (spindle) can only be changed if all axes and the spindle are stationary.
4.2.8

Changing the feedrate/spindle type

Changing the operating sequences feedrate type "F"
By pressing the cursor keys, you go to the display field which contains the currently programmed feedrate type (with an
orange background).
By pressing the above hardkey, you can choose one of the following feedrate types:
● Time feed (mm/min)
If time feed is selected, the axes are moved at the speed entered in this field (mm/min) (unless rapid traverse override is
activated). It can be influenced by the feedrate override switch setting.
The time feed is only possible for a constant spindle speed.
● Rotary feedrate (mm/rev)
In the "spindle speed + revolutional feedrate" or "constant cutting speed + revolutional feedrate" mode, the value entered
in this field determines the axis speed (unless rapid traverse override is activated). It is influenced directly by the feedrate
override weighting setting and indirectly by the spindle override weighting setting.
Changing the operating sequences spindle type "S"
By pressing the cursor keys, you go to the display field which contains the currently programmed spindle type (with an
orange background).
Programming and Operating Manual (Manual Machine Plus (MM+), Turning)
01/2017
2.
Edit the programmed value using the numeric keys.
3.
Press this hardkey.
The value is activated.
21

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