2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN
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MICRO-MINI a Solid carbide type with minimum cutting diameter & 3.2mm.
BORING BARS a l/d is 5 times the diameter.
a Cutting edge can be shaped according to the application
thus, it covers a wide cutting range (threading, grooving, copying, etc.).
STANDARD MICRO-MINI BORING BARS (Solid carbide boring bar)
Min. Max. Depth
Cutting of Groove
Diameter
Order Number Stock Dimensions (mm) Geometry
C03FR-BLS D4
C04FR-BLS F2
C05HR-BLS
D4
BORING
TF15 W3 D4 L1 L2 F2
s 2.0 3 80 15
s 2.5 4 80 20 3.2 1.0 4°
s 3.0 5 100 25 4.2
5.2 D4 Shank diameter
1.5 Flat area
2.0 W3
L2
Flat area
L1
Right hand tool only.
RECOMMENDED CUTTING CONDITIONS
Work Material Cutting Speed Feed Depth of Cut Edge Condition
P General Steel (m/min) (mm/rev) (mm) * *l/d
0.05 (0.1) Corner Radius or C Honing
40 (3050) 0.2 (0.10.3)
5 0.10.5 0.010.05
M Stainless Steel 40 (3050) 0.05 (0.1) 0.2 (0.10.3) 5 <0.4 <0.03
(Honing not required)
K Cast Iron 40 (3050) 0.05 (0.05) 0.2 (0.10.3) 5 0.10.5 0.010.05
N Non-Ferrous Material 80 (60100) 0.05 (0.1) 0.3 (0.10.5) 5 0.10.5 <0.03
(Honing not required)
* Cutting edge is not honed. Please hone according to the workpiece before machining.
y GRINDING THE CUTTING EDGE OF MICRO-MINI BORING BAR
a MICRO-MINI boring bar can be applied to boring and grooving without any modifications. It can also be reground as shown below.
a For shaping and regrinding, use diamond whetstone approximately #250 #400.
Please grind according to application using the figure below as a reference.
Application Boring Grooving Threading
1°–2° Groove width Thread angle
Grinding
Grinding Examples 25° 1°–2° 25° 4° w 4° 35°
(Grinding) 20° Grinding
20°
0.5–0.8 Grinding 0.5–0.8 Grinding
4° 60°
0.3–0.5 Corner radius
(Grinding)
6° 6° Double sided relief 19° 19°
s : Inventory maintained in Japan. SPARE PARTS M001
info@mitsubishitools.ru TECHNICAL DATA
N001 E023
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