Nitto Kohki AMB-0307, Instruction Manual

Page: 7 / 14

6
Scale
Do not make any
clearance
Guide Line
Fig. 6
6-3. Adjustment of Radius Chamfering in Amount
(1) Fix a radius chamfering Indexable Inserts.
(2) Loosen the Hex. Socket Head Cap Screw ① of the
Head ④ (Fig. 5).
(3) Turning the Head,match the scale of the Eccentric
Ring with the guide line according to the size of the
radius chamfering Indexable Inserts.
(4) Set the Head ④ to the edge of Eccentric Ring ③
without clearance(Fig. 5).
(5) Conduct a test cutting.Readjust the Hex.Socket
Head Cap Screw of the Head,so that sizes A and B
become identical.
A
R
B
Fig. 7
6-4. How To Adjust Chamfering Angle
WARNING
Be sure to remove the air hose from the tool
beforehand whenever adjusting chamfering angle.
(1) Loosen the Hex. Socket Head Cap Screws ① (4
pcs)on both ends on the Plate Guide ⑤ of Head
④ .(Fig.8)
(2) Move the Plate Guide ⑤ so that the scale of
desired angle can align to the Guide Pin ③ .
(3) Tighten the Hex. Socket Head Cap Screws ① .
●
The tool has the limit of chamfering width which
depends on a chamfering angle. (Fig. 9, Fig. 10)
BE
VE
LE
R
AMB-07
MO
DE
L
NIT
TO
KOH
KI
MAD
EIN
JA
PA
N
MIN
I
Head ④
Guide Pin ③
Socket Head
Cap Screw ①
Scale ②
Plate Guide ⑤
Fig. 8
A
α
C
B
Fig. 9
Chamfering
Angle
Stainless Steel (mm) Mild Steel (mm)
α A B C A B C
45° 3 3 4.2 7 7 9.9
30° 2.2 3.8 4.4 4 7 8.1
15° 1 3.8 3.9 2.2 8 8.3
Fig. 10
6-5. Before Cutting
(1) When you start to work from the corner as shown
in Fig. 11, cut off the corner first with grinder etc. ,
then start.
BE
VE
LER
AM
B-07
MO
DE
L
NIT
TO
KO
HKI
MA DEIN
JAP AN
MI
NI
Direction A
Corner
Fig. 11
(2) Before start chamfering, make sure that the Valve
is set on and the Indexable Insert is rotating. Then,
apply the tool to the workpieces.
The Indexable Inserts may be damaged if the
Valve is set on after Indexable Inserts are pressed
on the workpieces or they may also be damaged if
they are pressed to the workpieces abruptly.