HEIDENHAIN TNC 640 (34059x-04) Cycle programming - Manual (Page 188)

Fixed Cycles: Contour Pocket
7.5 PILOT DRILLING (Cycle 21, DIN/ISO: G121)
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TNC 640 | User's Manual Cycle Programming | 3/2014
Cycle parameters
Plunging depth Q10 (incremental): Dimension
by which the tool drills in each infeed (negative
sign for negative working direction). Input range
-99999.9999 to 99999.9999
Feed rate for plunging Q11: Traversing speed of
the tool when plunging into the workpiece in mm/
min. Input range 0 to 99999.9999 alternatively
FAUTO, FU, FZ
Rough-out tool number/name Q13 or QS13:
Number or name of rough-out tool. Input range 0
to 32767.9 if a number is entered; maximum 16
characters if a name is entered.
NC blocks
58 CYCL DEF 21 PILOT DRILLING
Q10=+5 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR
PLNGNG
Q13=1 ;ROUGH-OUT TOOL