Owner's manual

Milling Fixed Cycles
Chapter 26
26-30
The format for the G86 cycle is as follows:
G86X__Y__Z__R__P__F__L__;
Where : Is :
X,Y
specifieslocation ofthe hole.
Z
defines the holebottom.
R
defines the Rpointlevel.
P
defines the dwell period atholebottom.
F
defines the cutting feedrate.
L
defines the numberoftimesthe millingfixedcycle isrepeated.
(See section 26.3 for a detailed description of these parameters.)
Important: The programmer or operator must start spindle rotation.
Figure 26.13
G86: Boring Cycle, Spindle Stop/Rapid Out
C
u
t
t
i
n
g
f
e
e
d
Rapid feed
Spindle begins
rotation at the
R point level
Spindle stops at
hole bottom
Hole bottom
R point level
Initial point
level
1
2
3
4
5
6
(G86): Boring Cycle,
Spindle Stop/Rapid Out