Heidenhain TNC 640 (34059x-04) Cycle programming Instrukcja Użytkownika Strona 88

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Fixed Cycles: Drilling
3.8 UNIVERSAL PECKING (Cycle 205, DIN/ISO: G205)
3
88
TNC 640 | User's Manual Cycle Programming | 3/2014
3.8 UNIVERSAL PECKING (Cycle 205, DIN/
ISO: G205)
Cycle run
1 The TNC positions the tool in the tool axis at rapid traverse
FMAX to the entered set-up clearance above the workpiece
surface.
2 If you enter a deepened starting point, the TNC moves at the
defined positioning feed rate to the set-up clearance above the
deepened starting point.
3 The tool drills to the first plunging depth at the entered feed rate
F.
4 If you have programmed chip breaking, the tool then retracts
by the entered retraction value. If you are working without
chip breaking, the tool is moved at rapid traverse to the set-up
clearance, and then at FMAX to the entered starting position
above the first plunging depth.
5 The tool then advances with another infeed at the programmed
feed rate. If programmed, the plunging depth is decreased after
each infeed by the decrement.
6 The TNC repeats this process (2 to 4) until the programmed
total hole depth is reached.
7 The tool remains at the hole bottom—if programmed—for
the entered dwell time to cut free, and then retracts to set-up
clearance at the retraction feed rate. If programmed, the tool
moves to the 2nd set-up clearance at FMAX.
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