HEIDENHAIN TNC 620 User Manual page 430

11
Special functions
11.8 Dwell time FUNCTION FEED
11.8 Dwell time FUNCTION FEED
Programming dwell time
Application
Refer to your machine manual.
The behavior of this function varies depending on the
respective machine.
The FUNCTION FEED DWELL function is used to program a
recurring dwell time in seconds, e.g. to force chip breaking .
Program FUNCTION FEED DWELL immediately prior to the
machining you wish to run with chip breaking.
The FUNCTION FEED DWELL function is not effective with rapid
traverse movements and probing motion.
Damage to the workplace!
Do not use FUNCTION FEED DWELL for machining
threads.
Procedure
Proceed as follows for the definition:
Show the soft-key row with special functions
Select the menu for defining various plain-language
functions
Press the FUNCTION FEED soft key
Press the FEED DWELL soft key
Define the interval duration for dwelling D-TIME
Define the interval duration for cutting F-TIME
430
NC block
N30 FUNCTION FEED DWELL D-
TIME0.5 F-TIME5*
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016