Boring Cycle (G85) - Siemens SINUMERIK 802D sl Programming Manual

04.07
4.1.7

Boring cycle (G85)

Format
G85 X... Y... R... F... K... ;
X,Y: Hole position
Z: Distance from point R to the bottom of the hole
R: Distance from the initial level to R level
F: Cutting feed rate
K: Number of repeats
Fig. 4-12
Explanations
Rapid traverse is carried out to point R after positioning along the X-- and Y-- axis.
Drilling is performed from point R to point Z. After reaching point Z, cutting feed is
performed back to point R.
Axis switching
Before the drilling axis can be changed the canned cycle must be canceled.
Drilling
Drilling is not performed in a block that does not contain X, Y, Z, R, or any other
axes.
© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
G85 (G98)
Initial level
Point R
Point Z
Boring cycle (G85)
Enhanced Level Commands
4.1 Program support functions (1)
G85 (G99)
Point R level
Point R
Point Z
4-109