1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 61572 2: KS B ISO 61572 :2010 2010 12 29 http:/www.kats.go.krKS B ISO 61572:2010 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1995 12 26 :2010 12 29 2010-0671 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 61572:2010 2: FastenersSurf
2、ace discontinuitiesPart 2:Nuts 1995 1 ISO 61572, FastenersSurface discontinuitiesPart 2:Nuts , . 1 . . 5 mm 39 mm A B , ISO 8982 ISO 8986 2 . . ( ) . KS B ISO 8982, 2: KS B ISO 2320, KS B ISO 3269, KS B ISO 10484, KS B ISO 10485, ISO 468 :1982, Surface roughnessParameters, their values and general r
3、ules for specifying requirements ISO 8986:1994, Mechanical properties of fastenersPart 6:Nuts with specified proof load values Fine pitch thread 3 , , KS B ISO 8982, ISO 8986 KS B ISO 2320 . . KS B ISO 61572:2010 2 1 . . 2 . 3.1 . , . () . 3.1.1 . . , . ( .) KS B ISO 61572:2010 3 3.1.2 , , . . , . 2
4、 0.05 d . . 0.5 H 1 . d : d w : H 1 : H 1 0.541P, P s : , s d w . , , KS B ISO 61572:2010 4 3.1.3 , . . 2 , 0.05 d . . 0.5 H 1 . d : H 1 :3.1.2 . 3.1.4 . . KS B ISO 61572:2010 5 3.2 . , . 45 . 6 . . d w . KS B ISO 61572:2010 6 3.3 . , . , (3.4 ) . () . s (0.250.02 s)mm . d w , d c 0.08 d c . KS B IS
5、O 61572:2010 7 3.4 . . d 0.05 d . 3.5 . , . . . , KS B ISO 61572:2010 8 3.6 . ( ) . . : h 0.02 d 0.25 mm d : d 24 mm 5 % . d24 mm 10 % . KS B ISO 61572:2010 9 3.7 . . . ISO 468 R a 3.2 m . . 3.8 . , , , . , . . (3. ). . 4 KS B ISO 3269 . 4.1 KS B ISO 61572:2010 10 . 4.2 KS B ISO 3269 10 . . . 4.3 (K
6、S B ISO 10484 KS B ISO 10485 ) . 4.4 KS B ISO 10484 . KS B ISO 10485 . 4.5 . 4.3 4.4 . KS B ISO 61572:2010 11 KS B ISO 61572 :2010 , . 2000 . 1 . 1.1 KS B 0548 1995 JIS B 1042:1995 , 1 . 1.2 a) WTO . b) KS B 0548:1995 ISO 61572:1995 1 JIS B 1042:1995 KS . ISO 61572:1995 ISO 6157 2 ISO 61571:1988 ISO
7、 61573:1988 1 3 . 1 3 KS B 0547 KS B 0549 JIS B 1041:1995 JIS B 1043 ( 1 ). KS B ISO 61572:2010 12 1 (ISO) KS B 0547 KS B 0548 KS B 0549 screw * * thread * * , quench cracks forging cracks forging bursts shear bursts seam lap void bursts folds bearing surface dents scrapes nicks gouges tool marks wi
8、dth across corners width across flats 2 2.1 a) , . b) , , . KS B ISO 61572:2010 13 2.2 KS 3 3.1 . 2: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS B ISO 61572 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Fasteners Surface discontinuities Part 2 :Nuts ICS 21.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr
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