HEIDENHAIN TNC 620 User Manual page 420

11
Programming: Special Functions
11.10 Dwell time FUNCTION FEED DWELL
11.10 Dwell time FUNCTION FEED DWELL
Programming dwell time
Application
The behavior of this function varies depending on the
respective machine.
Refer to your machine manual.
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 defined dwell time from FUNCTION FEED DWELL is not
effective with rapid traverse 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
Select the FUNCTION FEED soft key
Select the FEED DWELL soft key
Define the interval duration for dwelling D-TIME
Define the interval duration for cutting F-TIME
420
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015
NC block
13 FUNCTION FEED DWELL D-TIME0.5
F-TIME5