Heidenhain MANUALplus 4110 User Manual Page 181

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HEIDENHAIN MANUALplus 4110 181
4.6 Thread and Undercut Cycles
All parameters that you enter will be accounted for—even if the
standard table prescribes other values. Undercut parameters that are
not defined are automatically calculated from the standard table (see
“DIN 76—undercut parameters” on page 525"):
"Thread pitch FP" is calculated from the diameter X1.
The parameters I, K, W, and R are calculated from FP.
Cycle run
1 Approach workpiece from X, Z
to starting point X1, or
for the thread chamfer.
2 Machine thread chamfer, if defined.
3 Finish cylinder up to beginning of undercut.
4 Pre-machine undercut, if defined.
5 Machine undercut.
6 Finish to end point X2.
7
Without return: Tool remains at the end point X2.
With return: Return to starting point on diagonal path.
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