2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN
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Cutting Width Depth of Cut Feed per Tooth fz (mm/tooth)
ae (mm) ap (mm)
Work Material Hardness Cutter Diameter (mm)
< 350HB < 0.25D1 <5
S 57.5 2540 5080 100160
Titanium Alloy 1D 7.510 0.15
< 0.25D1 0.10 0.10 0.10
D1 (Slot) <5 0.05
<2 0.05 0.05 0.05
< 0.25D1 <1 0.10
<5 0.05
57.5 0.15
7.510 0.10 0.05 0.05
<5 0.07
Heat-resistant Alloy 57.5 0.10 0.05 0.05
H <5 0.07
<5 0.07 0.05 0.05
0.07
0.15 0.15
0.10 0.10
0.07 0.07
Hardened Steel 4055HRC 0.250.5D1 0.10 0.10
0.50.75D1 0.07 0.07
D1 (Slot)
0.07 0.07
0.07 0.07
(Note 1) These cutting conditions are a guide to the standard shank type and the arbor type.
Please make adjustments according to the machining conditions.
(Note 2) Vibration is liable to occur in certain cases. Please reduce the depth of cut and / or reduce cutting conditions in the following cases.
• When using the long shank type and extra long shank type.
• When using long tool overhang with the standard or arbor type.
• When the application has poor clamping rigidity or when using a low rigidity machine.
(Note 3) In case of coarse and fine pitch cutters, the coarse pitch type is recommended to prevent vibration.
(Note 4) For heavy interrupted and unstable cutting, the H breaker is first recommendation.
y RAMPING/HELICAL CUTTING a HELICAL CUTTING Pitch
(P)
a RAMPING Pitch
(P)
L
L= ap Blind holes, Through holes
tan % Flat bottom
%° ap
D1 D1 D1 ROTATING TOOLS
(DH) (DH)
Refer to the table below for cutting conditions. For feed per tooth and cutting speed, follow the cutting conditions for slot milling.
Cutting Edge Ramping Helical Cutting (Blind Hole, Flat Bottom) Helical Cutting (Through Hole)
Diameter
D1(mm) Maximum Minimum Maximum Hole Maximum Minimum Hole Maximum Minimum Hole Maximum
Ramping Angle * *Distance 1 Diameter 2 Pitch Diameter Pitch Diameter Pitch
25 L(mm) DH max.(mm) P max.(mm) DH min.(mm) P max.(mm) DH min.(mm) P max.(mm)
28 %°
32
35 11 85 48 14 45 12 32 4
40 38 4
50 9 105 54 12 51 11 46 5
63 52 5
80 7 135 62 11 59 10 62 7
100 82 7
125 6 158 68 10 65 9 108 7
160 142 6
6 158 78 12 75 11 182 6
232 5
4 238 98 10 95 9 302 7
3 318 124 10 121 9
2 477 158 8 155 8
1.5 636 198 8 195 7
1 954 248 6 245 6
1 954 318 8 315 8
(Note) When machining highly ductile materials with ramping angles above, chips could be continuous.
In this case, decrease the ramping angle or feed per tooth.
1 L (=15 / tan %). Cutters' moving distance until depth of cut reaches 15mm at a maximum ramping angle.
*2 In case corner radius of 0.8mm. Other than that, find with the below formula.
* {(cutting edge diameter D1) (corner radius) 0.2)}2
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