1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS 2006 6 13 http:/www.kats.go.krKS B ISO 7425 2 2 : KS B ISO 7425 2: 2006 (2011 ) B ISO 7425 2: 2006 : ( ) ( ) () () () () ( ) : (http:/www.standard.go.kr) : :2006 6 13 :2011 12 30 2011-0717 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 23.100.20 KS
2、 2 : B ISO 7425 2: 2006(2011 ) Hydraulic fluid power Housings for elastomer energized, plastic faced sealsDimensions and tolerances Part 2: Rod seal housings 1989 1 ISO 7425 2 Hydraulic fluid power Housings for elastomerenergized, plastic faced seals Dimensions and tolerances Part 2: Rod seal housin
3、gs . 1. , (seal) . . . . . 2. . . KS B ISO 3320: 2006 KS B ISO 5598: 2004 ISO 286 2: 1988 ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts. 3. KS B ISO 5598 . 4. . C L ( ) d ( ) D ( ) d4 (rod) r S ( ) 5. =2dDB ISO 7425 2: 2006 2 5.1
4、a) 1 . , . b) (burr) . c) . 5.2 2 . 5.3 a) 2 . . b) . . 6. 2 . 7. a) d4 d . , . b) . 8. . 9. (lead in chamfer) a) . b) 1 . c) 1 . 10. , . “ KS B ISO 7425 2 2 : .” B ISO 7425 2: 2006 3 1 : mm ( ), S 2.5 3.75 5.5 7.75 10.5 12.5 , C 1.5 2 2.5 4 5 6.5 * 7. . 1 5.1 b) (burr free) B ISO 7425 2: 2006 4 2 :
5、 mm (1) d D S L r f8(2) 25.00+ 6 11 8 13 10 15 17 2.5 2.2 12 19.5 3.75 3.2 19 2.5 2.2 14 21.5 16 23.5 18 25.5 27.5 3.75 3.2 20 31 5.6 4.2 29.5 3.75 3.2 22 33 5.5 4.2 32.5 3.75 3.2 25 36 28 39 32 43 36 47 40 51 45 56 50 61 67 5.5 4.2 56 71.5 7.75 6.3 74 5.5 4.2 0.5 63 78.5 70 85.5 80 95.5 90 105.5 10
6、0 115.5 H9(2) 110 125.5 125 140.5 140 155.5 175.5 7.75 6.3 160 181 10.5 8.1 195.5 7.75 6.3 180 201 200 221 220 241 250 271 10.5 280 304.5 320 344.5 360 384.5 H8(2) 12.25 8.1 0.9 (1) KS B ISO 3320 (2) ISO 286 2 2 : 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS B ISO 7425 2: 2006 Hydraulic fluid powerHousings for elastomer energized, plastic faced seals Dimensions and tolerancesPart 2:Rod seal housings ICS 23.100.20
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