HEIDENHAIN TNC 640, User Manual, Page: 167 / 948

Fundamentals, File Management | Creating and writing programs
4
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
167
Possible feed rate input
Soft key Functions for setting the feed rate
Rapid traverse, blockwise. Exception: If defined
before an
APPR
block,
FMAX
also in effect for
moving to an auxiliary point
Further information: "Important positions for
approach and departure", page 291
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 control 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/1 or
inch/1). 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