Siemens Sinumerik 802D sl Programming Manual page 108

Enhanced Level Commands
4.1 Program support functions (1)
3. Through the G73 command with P and Q specification, the cycle machining is
performed. Four cutting sectors are considered here. Note the sign of Δu, Δw,
Δk, and Δi. The tool returns to point A once the machining cycle has been com-
pleted.
Finishing cycle (G70)
While rough cutting is performed by G71, G72 or G73, the finishing is implemented
through the following command.
Format
G70 P... Q... ;
P: Starting block of contour definition.
Q: Ending block of contour definition.
Note
1. The functions specified between the blocks determined by addresses P and Q
are effective in G70 while those of F, S, and T are specified in the block G71,
G72, G73 are not effective.
2. The tool is returned to the start point and the next block is read once the cycle
machining through G70 has been completed.
3. Subprograms cannot be called within the blocks determined by the addresses P
and Q.
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SINUMERIK 802D sl/840D sl840D/840Di sl/840Di/810D ISO Turning -- 04.07 Edition
© SIEMENS AG 2007 All rights reserved
04.07