HEIDENHAIN TNC 620 User Manual page 419

11.9 Pulsing spindle speed
FUNCTION S-PULSE
Program pulsing spindle speed
Application
The behavior of this function varies depending on the
respective machine.
Refer to your machine manual.
Using the S-PULSE FUNCTION you can program a pulsing spindle
speed, when operating at a constant spindle speed.
You can define the duration of a vibration (period length) using the
P-TIME input value or a speed change in percent using the the
SCALE input value. The spindle speed changes in a sinusoidal form
around the target value.
Procedure
Proceed as follows for the definition:
Show the soft-key row with special functions
Select the menu for defining various conversational
functions
Select the FEED FUNCTION soft key
Press the SPINDLE PULSE soft key
Define period length P-TIME
Define speed change SCALE
The control never exceeds a programmed speed limit.
The spindle speed is maintained until the sinusoidal
curve of the S-PULSE FUNCTION falls below the
maximum speed once more.
Reset pulsing spindle speed
Use the S-PULSE RESET function to reset the pulsing spindle speed.
Proceed as follows for the definition:
Show the soft-key row with special functions
Select the menu for defining various plain-language
functions
Select the FEED FUNCTION soft key
Select the RESET SPINDLE-PULSE soft key
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015
Pulsing spindle speed FUNCTION S-PULSE 11.9
NC block
13 FUNCTION S-PULSE P-TIME10
SCALE5
NC block
18 FUNCTION S-PULSE RESET
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