Opening programs and entering 3.2 – HEIDENHAIN TNC 640 (34059x-05) User Manual
Page 107

Opening programs and entering
3.2
3
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
107
Possible feed rate input
Soft key
Functions for setting the feed rate
Rapid traverse, non-modal. Exception: If
defined before an
APPR block, FMAX is also
in effect for moving to an auxiliary point
(see "Important positions for approach and
departure", page 215)
Traverse feed rate automatically calculated in
TOOL CALL
Move at the programmed feed rate (unit of
measure is mm/min or 1/10 inch/min). With
rotary axes, the TNC interprets the feed rate
in degrees/min, regardless of whether the
program is written in mm or inches
Define the feed per revolution (units in mm/
rev or inch/rev). Caution: In inch-programs, FU
cannot be combined with M136
Define the tooth feed (units in mm/tooth or
inch/tooth). The number of teeth must be
defined in the tool table in the
CUT column.
Key
Functions for conversational guidance
NO
ENT
Ignore the dialog question
End the dialog immediately
Abort the dialog and erase the block