HEIDENHAIN TNC 620 User Manual page 428

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Special functions

11.7 Pulsing spindle speed FUNCTION S-PULSE

Pulsing spindle speed

FUNCTION S-PULSE

Program pulsing spindle speed

Refer to your machine manual.

The behavior of this function varies depending on the

respective machine.

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.

Proceed as follows for the definition:

Show the soft-key row with special functions

Select the menu for defining various conversational

Press the FUNCTION SPINDLE 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.

In the status bar the symbol indicates the condition of the pulsing

shaft speed:

Pulsing spindle speed active

N30 FUNCTION S-PULSE P-TIME10

HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016

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