HEIDENHAIN TNC 620 (340 56x-03) - Manual (Page 137)

HEIDENHAIN TNC 620 137
5.1 Ent
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ool-Relat
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Spindle speed S
The spindle speed S is entered in revolutions per minute (rpm) in a
TOOL CALL
block. Instead, you can also define the cutting speed Vc in
m/min.
Programmed change
In the part program, you can change the spindle speed in a TOOL CALL
block by entering the spindle speed only:
U Program a tool call: Press the TOOL CALL key
U Ignore the dialog question for Tool number ? with the
NO ENT key
U Ignore the dialog question for Working spindle axis
X/Y/Z ? with the NO ENT key
U 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 override knob S.