1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 3269 KS B ISO 3269:2009 2009 12 30 http:/www.kats.go.krKS B ISO 3269:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2004 9 30 :2009 12 30 2009-0983 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 3269:2009 Fasteners Acceptance
2、 inspection 2000 3 ISO 3269, Fasteners Acceptance inspection . 1 1.1 , , . ( , ). . 1.2 , , , , , , , , , . . 1.3 , . 1.4 , ( , , , , ) . , . . ( , ) , . 1.5 B( ) . 2 . . ( ) . KS B ISO 898 1, 1: , KS B ISO 898 2, 2: KS B ISO 2320, KS B ISO 3269:2009 2 KS B ISO 4042, KS B ISO 7085, KS B ISO 8839, ,
3、, KS B ISO 10683, KS Q ISO 2859 1, 1: (AQL) ISO 898 5: 1998, Mechanical properties of fasteners made of carbon steel and alloy steel Part 5: Set screws and similar threaded fasteners not under tensile stresses ISO 898 6: 1994, Mechanical properties of fasteners Part 6: Nuts with specified proof load
4、 valuesFine pitch thread ISO 1478: 1999, Tapping screws thread ISO 1502: 1996, ISO general-purpose metric screw threads Gauges and gauging ISO 2702: 1992, Heat-treated steel tapping screws Mechanical properties ISO 3506 1: 1997, Mechanical properties of corrosion-resistant stainless-steel fasteners
5、Part 1:Bolts, screws and studs ISO 3506 2: 1997, Mechanical properties of corrosion-resistant stainless-steel fasteners Part 2: Nuts ISO 3506 3: 1997, Mechanical properties of corrosion-resistant stainless-steel fasteners Part 3: Set screws and similar fasteners not under tensile stress ISO 4759 1:
6、2000, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C ISO 4759 3: 2000, Tolerances for fasteners Part 3: Plain washers for bolts, screws and nutsProduct grades A and C ISO 6157 1: 1988, Fasteners Surface discontinuities Part 1: Bolts, screws and studs for gen
7、eral requirements ISO 6157 2: 1995, Fasteners Surface discontinuities Part 2: Nuts ISO 6157 3: 1988, Fasteners Surface discontinuities Part 3 Bolts, screws and studs for special requirements 3 . 3.1 (acceptance inspection) , , , 3.2 (supplier) , 3.3 (purchaser) . KS B ISO 3269:2009 3 3.4 (inspection
8、 lot) 3.5 (lot size) N 3.6 (sample) , . 3.7 (sample size) n 3.8 (characteristic) , , , 3.9 (nonconformity) 3.10 (nonconforming fastener) 3.11 (acceptance number) Ac , . 3.12 (sampling plan) , 3.13 (acceptance quality level) AQL 95 % . KS B ISO 3269:2009 4 3.14 (limiting quality) LQ 1 10 % . 2 LQ10 ,
9、 10 1 , . 3.15 (suppliers risk) AQL 3.16 (probability of acceptance) Pa 4 4.1 , 5 % , . 4.2 . . . ( , ), . 4.3 , (5.6 ). . 4.4 . , . (ISO 1502 ). 4.5 , . 5 A . KS B ISO 3269:2009 5 5.1 . 5.2 1 4 . AQL . , 6 9 AQL . 5.3 4.1 LQ10 ( 5 ). 1 LQ10 . LQ10 . . , . , LQ10 . , . LQ10 . 2 5 AQL (LQ10) . , . KS
10、 Q ISO 2859 1 1 / . , . , 5 , LQ10 . 5.4 5 AQL LQ10 . 5.5 3.6 . . , . . 5.6 , (4.3 ). 5.7 , . . , . . 1 A LQ10 6.5(AQL 1.0 ) . AQL 1 80 Ac 2 2 6 LQ10 3.0 . AQL 1 400 Ac 7 3 : AQL 1.5 3 Ac 0 5.8 ( ) KS B ISO 3269:2009 6 , . 6 a . 5.9 AQL . , , “ ”, “ ”, “ ” . 1 1 2 3 4 5 6 A Ba, Ca, A BaCa b 5 , - AQ
11、L 1 1.5 1 1.5 1.5 1 1 1.5 1 1.5 1.5 1 1 1.5 1 1.5 1 1 1.5 1 1 1.5 1 , 1 , 1 1 1 1 1.5 1 1.5 1c 1 1.5 1 1.5 c 2.5 1 d1 1.5 1 1.5 2.5 1 1.5 2.5 1.5 2.5 2.5 1.5 2.5 4 2.5 4 4 2.5 a (ISO 4759 1 ). bISO 1478 c , (thread-rolling screws) . d . KS B ISO 3269:2009 7 2 Aa Ca AQL 1 1.5 1.5 2.5 2.5 4 a (ISO 475
12、9 3 ). 3 AQL 1 1 1 1 1.5 1 1 1 1 2.5 2.5 2.5 2.5 2.5 4 AQL 1.5 1.5 1.5 1.5 2.5 KS B ISO 3269:2009 8 5 a AQL 0.65 1.0 1.5 2.5 4.0 Ac nbLQ10 0 8 25 5 37 3 54 1 50 7.6 32 12 20 18 13 27 8 42 2 125 4.3 80 6.5 50 10 32 17 20 25 3 200 3.3 125 5.4 100 6.6 50 13 32 20 4 315 2.6 200 3.9 125 6.2 80 9.6 50 15
13、5 400 2.4 250 3.7 160 5.8 100 9.3 6 315 3.4 200 5.2 125 8.4 80 13 7 400 3.0 250 4.7 160 7.3 100 11.5 8 315 4.2 200 6.6 125 10 10 400 3.9 250 6.0 160 9.5 12 315 5.6 200 8.8 14 400 5.0 250 8.0 18 315 7.8 22 400 7.3 5 % .a KS Q ISO 2859 1 . b , . KS B ISO 3269:2009 9 6 AQL a 0.65 1.5 ( ) 1.5 ISO 898cKS
14、 B ISO 2320 ISO 2702 ISO 3506cISO 6157cKS B ISO 7085 KS B ISO 8839 1.5 KS B ISO 4042 KS B ISO 10683 ba ( ) ( , ) , . b . c . 7 aAQL 0.65 0.65 a . . 8 , , aAQL 1.5 0.65 0.65 a . . 9 aAQL 1.5 1.5 1.5 4.0 4.0 a . KS B ISO 3269:2009 10 A ( ) ( ) 1 5 (n) . ( 1, 2, 3 4 ). , , . ( . 3.10 ). 1, 2, 3 4 AQL (
15、n) Ac , . 1 2 5 (n1) . , 1 n1 . , , 5 . 2 . AQL 2.5 80 : Ac 4 AQL 1, LQ10 6.5 80 : Ac 2 4: 2 : 4: KS B ISO 3269:2009 11 , 5 (n2) . (n2 n1). 5 (n2) AQL Ac . 2 2 . AQL 2.5 n1 80 : Ac 4 AQL 1, LQ10 6.5 n2 80 : Ac 2( 1) 4: 1 2: 4: AQL(1.0) , . , LQ10(3.7) , n2 250 .: Ac 5( 2) : 250 80170 250 1 5: 2 250
16、1 5: KS B ISO 3269:2009 12 B ( ) B.1 . , . , . . , . AQL . . . ( ) . B.2 . (AQL ), ( , ) . B.3 1. 5 % AQL (AQL ) . , . , ( ) . ( , LQ AQL ) AQL . , . B.4 4. KS B ISO 3269:2009 13 ( , ) AQL LQ . (OC) ( B.1 ). . 95 % 10 % . OC 95 % AQL . 10 % (LQ10 ) . LQ10 , (90 % ) . , % AQL 1, 32/1, 80/2 400/7 B.1 5 . . , . AQL , 5 % . , AQL . AQL . B.5 4. , , , . . , . , , ( AQL ) . , % KS B ISO 3269:2009 14 , 4.2 . , ISO . , , , . , . , .