Siemens SINUMERIK 802D sl Programming Manual page 94

Enhanced Level Commands
4.1 Program support functions (1)
Table 4-3
G code
G86
G87
G89
Explanations
When using canned cycles the sequence of operations is generally carried out as
described below:
S Operation 1
Positioning in the XY plane using cutting feed or rapid traverse rate
S Operation 2
Rapid traverse movement to level R
S Operation 3
Machining to drilling depth Z
S Operation 4
Operation at hole bottom
S Operation 5
Retraction to R level at cutting feed or rapid traverse rate
S Operation 6
Rapid retraction to positioning plane XY at rapid traverse rate
4-94
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
GUD7 for cycle setting data (ISO dialect setting data), continued
Drilling Processing at
(- -Z direction) hole bottom
Cutting feed Spindle stop
Spindle indexing →
Shift → Rapid tra- Spindle indexing
verse → Shift → after dwell →
Spindle CW → Shift
Cutting feed
Cutting feed Dwell
Retraction
Applications
(+Z direction)
Rapid traverse
Boring
→ Spindle start
Rapid traverse →
Shift → Spindle Back boring
start
Cutting feed Boring
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04.07