Specifications

2 PARAMETER
2-170
Classification
USER
Display title
TURNING
Address Meaning
Description
Rough cutting residue ratio in cutting off
cycle in groove cutting unit
Program type M
Conditions Immediate
TC9
Unit %
Setting range 0 to 100
P
S
P
E
NM211-00267
l
d
[2]
[1]
P
S
: Programmed start point
P
E
: Programmed end point
l
: Groove machining depth
l
= P
S
・
P
E
d :
Rough cutting residue
d =
l
×
TC9
100
[1] Cutting at rough cutting feed rate to a point short of end point P
E
by
distance d
[2] Cutting off at finish cutting feed rate to end point P
E
Cut depth allowable incremental rate for
rough cutting in groove cutting unit, edge
machining unit and copy machining unit
Program type M
Conditions Immediate
TC10
Unit %
Setting range 0 to 100
Used to calculate minimum cutting frequency in groove cutting unit, edge
machining unit and copy machining unit
d’ = d (
100 +
TC10
100
)
d : Cut depth per cycle
d’ : Allowable maximum cut depth
Deceleration rate at cutting start in turning-
drilling unit
Program type M
Conditions Immediate
TC11
Unit %
Setting range 0 to 100
F’ = F ×
TC11
100
F : Specified feed rate
F' : Feed rate at cutting start
Feed rate at F' over distance
l
from the
programmed start point
D
End point
θ
Drill
Programmed
start point
l
NM211-00268
l =
D
2 × tan
θ/2
(0° < θ < 180°)
l = 0 (θ ≥ 180°)
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