Boring Cycle, Back Boring Cycle (G87) - Siemens SINUMERIK 802D sl Programming Manual

04.07
4.1.9

Boring cycle, back boring cycle (G87)

Accurate boring is performed by this cycle.
Format
G87 X... Y... R... Q... P... F... K... ;
X,Y: Hole position
Z: Distance from the bottom of the hole to point Z
R: Distance from the initial level to point R (the bottom of the hole)
Q: Tool shift amount
P: Dwell time
F: Cutting feed rate
K: Number of repeats
Spindle CW
Spindle CW
Fig. 4-14
Fig. 4-15
© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
G87 (G98)
q
M19
M19
Point Z
P
Point R
Boring cycle, back boring cycle (G87)
Oriented spindle stop
Enhanced Level Commands
4.1 Program support functions (1)
G87 (G99)
Not used
Tool
Shift amount q
4-113