HEIDENHAIN TNC 320 User Manual page 424

Input examples for common tool types
Tool type
Drill
End mill with diameter < 19 mm 4 (4 teeth)
End mill with diameter > 19 mm 4 (4 teeth)
Radius cutter
424
CUT
– (no function)
4 (4 teeth)
TT:R_OFFS
0 (no offset required because
tool tip is to be measured)
0 (no offset required because
tool diameter is smaller than
the contact plate diameter of
the TT)
R (offset required because
tool diameter is larger than
the contact plate diameter of
the TT)
0 (no offset required because
the south pole of the ball is to
be measured)
Touch Probe Cycles: Automatic Tool Measurement
TT:L_OFFS
0 (no additional offset
required during radius
measurement. Offset from
offsetToolAxis is used.)
0 (no additional offset
required during radius
measurement. Offset from
offsetToolAxis is used.)
5 (always define the tool
radius as the offset so that
the diameter is not
measured in the radius)