2014-2015 Полный каталог инструмента Mitsubishi (Митсубиси) EN
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Work Material Hardness Cutting Width 1216 Cutter Diameter (mm) 28100
ae (mm) 1825
Depth of Cut Feed per Tooth Depth of Cut Feed per Tooth Depth of Cut Feed per Tooth
ap (mm) fz (mm/tooth) ap (mm) fz (mm/tooth) ap (mm) fz (mm/tooth)
N < 0.25D1 <4 0.15 <4 0.25 <4 0.20
47 0.10 47 0.15 47 0.10
Aluminium Alloy 0.250.5D1 <4 0.15 <4 0.20 <4 0.20
47 0.10 47 0.10 47 0.10
0.50.75D1 <5 0.10 <5 0.15 <5 0.10
D1 (Slot) <5 0.10 <5 0.20 <5 0.15
S < 350HB < 0.25D1 <4 0.15 <4 0.15 <4 0.10
Titanium Alloy 47 0.10 47 0.10 47 0.07
0.250.5D1 <3 0.05 <3 0.05 <3 0.05
Heat-resistant Alloy 0.50.75D1 <2 0.10 <2 0.05 <2 0.05
D1 (Slot) <1 0.05 <1 0.05 <1 0.05
H <4 0.10 <5 0.15 <5 0.15
< 0.25D1 47 0.07 57 0.10 57 0.10
78.5 0.07
Hardened Steel 4055HRC 0.250.5D1 <2 0.10 <3 0.15 <3 0.15
25 0.07 35.5 0.10
0.50.75D1 <4 0.07 <4 0.07 <3 0.07
D1 (Slot) <3 0.07 <4 0.07 <3 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 ROTATING TOOLS
D1 D1 D1
(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
L(mm) DH max.(mm) P max.(mm) DH min.(mm) P max.(mm)
%° DH min.(mm) P max.(mm)
12 6.0 95 22 2.5 20.5 2 14 0.5
14 6.0 95 26 2.5 24.5 2 18 1
16 11.3 50 30 9 28 7 21 2
18 8.6 66 34 5 32 4.5 25 2
20 6.9 83 38 5 36 4.5 29 2
22 5.7 100 42 5 40 4.5 33 2
25 4.6 124 48 6 46 5 39 3
28 3.8 151 54 4.5 52 4 45 2
30 3.4 168 58 4.5 56 4 49 2
32 3.1 185 62 4.5 60 4 53 2
35 2.7 212 68 4 66 3.5 59 2
40 2.2 260 78 4 76 3.5 69 2
50 1.7 337 98 2 96 2 89 2
63 1.3 441 124 2 122 2 115 2
80 1.0 573 158 2 156 2 149 2
100 0.8 716 198 1 196 1 189 1
(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 (=10 / tan %). Cutters' moving distance until depth of cut reaches 10mm 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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