1、 KSKSKSKS KS W ISO 7481SKSKSKS KSKSKS SKSKS KSKS SKS KS 425 KS W ISO 7481: 2005 2005 12 22 W ISO 7481:2005 ( ) ( ) ( ) ( ) : :2005 12 22 20050915 : : ( ) ( 02 5097282 5) . 7 5 , .W ISO 7481:2005 1. 1 2. 1 3. 1 3.1 1 3.2 2 3.3 3 3.4 4 3.5 5 3.6 6 3.7 7 3.8 8 3.9 9 3.10 , 10 3.11 (permanent set) 11 3.
2、12 12 i ICS 49.030.30 KS W ISO 425 7481:2005Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 Test methods 2000 2 ISO 7481 Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 Test methods . 1. 425 MJ . ( , , ) , . KS W I
3、SO 5858 . . . 2. . , . . . ISO IEC , . KS M ISO 6508 1 1: ( A, B, C, D, E, F, G, H, K, N, T ) KS W ISO 5855 2:2005 MJ 2: KS W ISO 5858:2003 425 KS W ISO 7403:2005 ISO 691:1997 Assembly tools for screws and nuts Wrench and socket openings Tolerances for general use ISO 1024:1989 Metallic materials Ha
4、rdness test Rockwell superficial test(scales 15 N, 30 N, 45 N, 15 T, 30 T and 45 T) ISO 6507 1:1997 Metallic materials Vickers hardness test Part 1 : Test method 3. 3.1 3.1.1 . . KS M ISO 6508 1 ISO 6507 1 HV 5 HV 100 ISO 1024 W ISO 7481:2005 3.1.2 . ( , , ) . a) 10 . b) 3 . , . (, , ) . . 2 . . . 3
5、.2 3.2.1 1 . . a) KS W ISO 5855 2:2005 , 5 . b) (mandrel) , B 2 I, II V A , 2 III, IV A . c) (feeler gauge) :mm 3D (clinch) , (counterbore) . 1 2 W ISO 7481:2005 II III IV V 2 3.2.2 . (cage) . 1 ( ) . 3 . . , . 3.3 3.3.1 3 . . a) 40 HRC b) ( ) c) 1) :KS W ISO 5855 2:2005 . 2) : . 3) : . 3.3.2 . . 3.
6、3.2.1 80 % . 1 . ( ) . 2 . . . . . , (breakaway torque) . . 10 . 3 W ISO 7481:2005 :mm D . 0.250.10 3 1 . . MoS2 . . 3.3.2.2 100 % . , . . 1 , ( ) . 2 . . . . . . 10 . . 3.4 . 3.4.1 4 . . a) 40 HRC b) 1) :KS W ISO 5855 2:2005 . 2) : . 3) : . . , , . 4 W ISO 7481:2005 . :mm 2 4 3.4.2 . 0.05 0.1 mm ,
7、1 . . . . ISO 691 KS W ISO 7403:2005 (opening tolerance) . . . , 10 . . 3.5 44 HRC . 3.5.1 5 . . a) 40 HRC b) 1) :KS W ISO 5855 2:2005 . 2) : . 3) : . 5 W ISO 7481:2005 3.5.2 . 1 , . :mm 2 6 D 6 D 5 ISO 691 KS W ISO 7403:2005 . . , 10 . . 3.6 (torque-out) ( ) ( ) . . 3.6.1 6 2 . . a) b) KS W ISO 585
8、5 2:2005 (1)6 W ISO 7481:2005 (1) . c) KS W ISO 5855 2:2005 d) ( .) 3.6.2 . . 1 . ( ) . . . , 10 . . :mm : 3 D 6 2 :mm D 3 3.5 4 5 6 7 8 10 A 6 6 8 8 8 14 14 14 B 0 0.05 3.4 3.9 4.4 5.5 6.5 7.5 8.5 10.5 3.7 (captive washer) . 3.7.1 . a) 2 mm ( , Ra 0.8 m) b) ( .) c) 1) :KS W ISO 5855 2:2005 . 2) : .
9、 3) 1.5 D3D 3.7.2 . (squeeze) . 2 (seating torque) . 7 W ISO 7481:2005 . (seam), (seizing) . . 3.8 (push-out) 7 (reduced series) . 7 3.8.1 8 3 . :mm B 8 3 :mm D 3 3.5 4 5 6 7 8 10 A 6 6 8 8 8 14 14 14 B 0 0.05 3.4 3.9 4.4 5.5 6.5 7.5 8.5 10.5 . a) b) c) 1) :KS W ISO 5855 2:2005 . 2) : . 3) : . 8 W I
10、SO 7481:2005 d) ( .) 3.8.2 . . . . . , 10 . . 3.9 3.9.1 9 . . a) 40 HRC ( ) b) 1) 1.1) : 4 KS W ISO 5855 2:2005 . 1.2) : . 1.3) : 2) 2.1) :KS W ISO 5855 2:2005 . 2.2) : . 2.3) : 1 . 3.9.2 . 45 . 3.9.2.1 1 , . 2 . . . (breakaway toque) . , 10 . 3.9.2.2 3.9.2.1 . , . . . . 9 W ISO 7481:2005 : m Ra 1.6
11、 Ra 1.6 . 2 9 4 ( ) :mm (d2) (d ) 30.5 2.651 2.627 3.50.6 3.084 3.057 40.7 3.517 3.489 50.8 4.45 4.42 61 5.315 5.279 7 6.315 6.279 81 7.315 7.279 101.25 9.151 9.113 121.25 11.146 11.103 141.5 12.981 12.936 161.5 14.981 14.936 181.5 16.981 16.936 201.5 18.981 18.936 221.5 20.981 20.936 242 22.648 22.
12、595 27 25.648 25.595 302 28.648 28.595 33 31.648 31.595 362 34.648 34.595 39 37.648 37.595 3.10 , 3.10.1 . a) 3.9 ( 9 ) b) 1) :KS W ISO 5855 2:2005 . 2) : . 10 W ISO 7481:2005 3) : 1 . 3.10.2 . 1 , . 2 . . 5 . :3 15 :6 15 . . . . , . , 10 . . 3.11 (permanent set) . 3.11.1 10 . a) : 5 KS W ISO 5855 2:2005 . b) : 39 HRC 5 , . . 3.11.2 . 5 . 1 . 2 . . 1 . 2 . . , 10 . . 11 W ISO 7481:2005 :mm 0.1 0.3 (d1.3) 2 d 10