Shanks Cat
ANSI / ASME B5.50
ISO 7388-1 (Shank U)
Other Shanks
MAS-BT (ISO 7388-2-J)
ISO 12164-1(DIN 69893-1)HS
DIN 69893 - HSK
DIN 2080 - IS 2340
|
CAT |
D |
L |
d1 |
G |
D1 |
D2 |
t |
t1 |
b |
|
|
|
±0.005 |
+0.015 |
UNC-2B |
±0.002 |
±0.005 |
-0.015 |
-0.015 |
±0.010 |
|
30 |
1.250 |
1.875 |
0.516 |
0.500-13 |
1.812 |
1.250 |
0.640 |
0.735 |
0.645 |
|
40 |
1.750 |
2.687 |
0.641 |
0.625-11 |
2.500 |
1.750 |
0.890 |
0.985 |
0.645 |
|
45 |
2.250 |
3.250 |
0.766 |
0.750-10 |
3.250 |
2.250 |
1.140 |
1.235 |
0.770 |
|
50 |
2.750 |
4.000 |
1.031 |
1.000-8 |
3.875 |
2.750 |
1.390 |
1.485 |
1.020 |
CONE TOLERANCE AT3
Material - Carburizing Alloy Steel
Heat Treatment -
Surface Hardness HRc 58±2
Case Depth 0.6-1.0 mm @ HV1 550
Tensile Strength 1000 MPa Minimum
|
CAT No. |
'α' Basic |
Tolerance Grade AT3 |
|||||
|
Generating Angle Limits α/2 |
AT α/2 Secs |
AT α/2 µ Rads |
L |
ATD (D1 ~D2) |
|||
|
Min |
Max |
||||||
|
30 |
16º35'39.4" |
8º17'51.2" |
8º17'57.7" |
6.5 |
31.5 |
42 |
0.0026 |
|
35 |
8º17'52.7" |
8º17'57.7" |
5 |
31.5 |
53 |
0.0033 |
|
|
40 |
8º17'51.2" |
8º17'56.2" |
5 |
20 |
59 |
0.0024 |
|
|
45 |
8º17'52.2" |
8º17'56.2" |
4 |
15.75 |
74 |
0.0030 |
|
|
50 |
8º17'50.7" |
8º17'54.7" |
4 |
15.75 |
92 |
0.0029 |
|
