Boring Cycle (G86) - Siemens Sinumerik 840D sl Programming Manual

R
Always program R only in one block with an axis motion, otherwise the programmed values
are not stored modally.
Deselection
The G functions of Group 01 (G00 to G03) and G85 should not be used together in one
block, as otherwise G85 is deselected.
Example
M3 S150
G90 G0 Z100
G90 G99 G85 X200. Y-150. Z-100.
R50. F150.
Y-500.
Y-700.
X950.
Y-500.
G98 Y-700.
G80
G28 G91 X0 Y0 Z0
M5
4.1.8

Boring cycle (G86)

Format
G86 X... Y... R... F... K... ;
X,Y: Drilled hole position
Z: Distance from point R to the bottom of the hole
R: Distance from the initial plane to point R
F: Feedrate
K: Number of repetitions
ISO Milling
Programming Manual, 06/09, 6FC5398-7BP10-1BA0
;Rotary motion of stem
;Positioning, drilled hole 1,
;then return to point R
;Positioning, drilled hole 2,
;then return to point R
;Positioning, drilled hole 3,
;then return to point R
;Positioning, drilled hole 4,
;then return to point R
;Positioning, drilled hole 5,
;then return to point R
;Positioning, drilled hole 6,
;then return to initial plane
;Deselection of the fixed cycle
;Return to reference position
;Spindle stop
Additional functions
4.1 Program supporting functions
91