HEIDENHAIN TNC 640, User Manual, Page: 157 / 948

Fundamentals, File Management | Fundamentals
4
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
157
With the shown positioning blocks with vectors, 3-D tool
compensation is possible with compensation values
DL
,
DR
and
DR2
from the
TOOL CALL
block.
The methods of function of the compensation values
depend on the type of tool.
The control detects the various tool types with the
columns
L
,
R
and
R2
of the tool table:
R2
TAB
+ DR2
TAB
+ DR2
PROG
= 0
→
end mill
R2
TAB
+ DR2
TAB
+ DR2
PROG
= R
TAB
+ DR
TAB
+ DR
PROG
→
radius cutter or ball cutter
0 < R2
TAB
+ DR2
TAB
+ DR2
PROG
< R
TAB
+ DR
TAB
+
DR
PROG
→
toroid cutter or toroidal cutter
Without the
TCPM
function or miscellaneous function
M128
, orientation of the tool coordinate system and
input coordinate system is identical.
DR+
DR-
DL-
DL+