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Touch probe cycles 20.4 fundamentals – HEIDENHAIN TNC 128 (77184x-02) User Manual

Page 480

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Touch probe cycles

20.4 Fundamentals

20

480

TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014

Input examples for common tool types

Tool type

CUT

TT:R_OFFS

TT:L_OFFS

Drill

– (no function)

0 (no offset required
because tool tip is to be
measured)

End mill

with diameter

of < 19 mm

4 (4 teeth)

0 (no offset required
because tool diameter is
smaller than the contact
plate diameter of the TT)

0 (no additional offset
required during radius
measurement. Offset from
offsetToolAxis is used)

End mill

with diameter

of > 19 mm

4 (4 teeth)

R (offset required because
tool diameter is larger than
the contact plate diameter
of the TT)

0 (no additional offset
required during radius
measurement. Offset from
offsetToolAxis is used)

Radius cutter

with a

diameter of 10 mm, for
example

4 (4 teeth)

0 (no offset required
because the south pole of
the ball is to be measured)

5 (always define the tool
radius as the offset so
that the diameter is not
measured in the radius)