Heidenhain TNC 620 (34056x-04) Cycle programming Manual do Utilizador Página 269

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TOLERANCE (Cycle 32, DIN/ISO: G62) 12.5
12
TNC 620 | User's Manual Cycle Programming | 5/2013
269
Cycle parameters
Tolerance value T: Permissible contour deviation in
mm (or inches with inch programming). Input range
0 to 99999.9999
HSC MODE, Finishing=0, Roughing=1: Activate
filter:
Input value 0: Milling with increased contour
accuracy. The TNC uses internally defined
finishing filter settings
Input value 1: Milling at an increased feed rate.
The TNC uses internally defined roughing filter
settings
Tolerance for rotary axes TA: Permissible position
error of rotary axes in degrees when M128 is active
(FUNCTION TCPM). The TNC always reduces the
feed rate in such a way that—if more than one
axis is traversed—the slowest axis moves at its
maximum feed rate. Rotary axes are usually much
slower than linear axes. You can significantly reduce
the machining time for programs for more than
one axis by entering a large tolerance value (e.g.
10°), since the TNC does not always have to move
the rotary axis to the given nominal position. The
contour will not be damaged by entering a rotary
axis tolerance value. Only the position of the rotary
axis with respect to the workpiece surface will
change. Input range 0 to 179.9999
NC blocks
95 CYCL DEF 32.0 TOLERANCE
96 CYCL DEF 32.1 T0.05
97 CYCL DEF 32.2 HSC-MODE:1 TA5
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