HEIDENHAIN TNC 620 (81760x-02) - Manual (Page 167)

Entering tool-related data 5.1
5
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 2/2015 167
Spindle speed S
The spindle speed S is entered in revolutions per minute (rpm) in a
TOOL CALL block (tool call). Instead, you can also define the cutting
speed Vc in meters per minute (m/min).
Programmed change
In the part program, you can change the spindle speed in a TOOL
CALL block by entering the new spindle speed only:
Program a tool call: Press the TOOL CALL key
Ignore the dialog question for Tool number ? with
the NO ENT key
Ignore the dialog question for Working spindle
axis X/Y/Z ? with the NO ENT key
Enter the new spindle speed for the dialog
question
Spindle speed S= ?, and confirm with
END, or switch via the VC soft key to entry of the
cutting speed.
Changing during program run
You can adjust the spindle speed during program run with the
spindle speed potentiometer S.