1、 ?G?G?G?GG?G?G?G ?G?G?G G?G?G ?G?G G?G ?G 2006 6 13 KS B ISO 7425 1 D + 37? %p 1- N %j )p 1- KS B ISO 7425 1: 2006 B ISO 7425 1: 2006 1 ( ) ( ) ( ) ( ) ( ) : : 2006 6 13 2006 0275 : 1 : 1 ( ) ( 02 509 7291 3) . 7 5 , . ICS 23.100.20 KS B ISO 1 : 7425 1: 2006Hydraulic fluid power Housings for elastom
2、er energized, plastic faced sealsDimensions and tolerances Part 2: Piston seal housings 1988 1 ISO 7425 1 Hydraulic fluid power Housings for elastomerenergized, plastic faced seals Dimensions and tolerances Part 2: Piston seal housings . 1. (seal) . . . . . 2. . . KS B ISO 3320: 2006 KS B ISO 5598:
3、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. . D ( ) d ( ) S (D d)/2: ( ) L1 (back up ring) ( ) L2 ( ) C d3 5. B ISO 7425 1: 2006 2 5.1 a) 1 . , . b) (burr) . c) . 5.2 2 . , L2 (7. ). 5.
4、3 a) 2 . D 25 mm . b) . . 6. 2 . 7. (D d3, 1 ) . 1. . 2. . 3. . 4. . 8. . 9. (lead in chamfer) a) . b) 1 . c) 1 . 10. , . “ “KS B ISO 7421 1 1 : .” B ISO 7425 1: 2006 3 1 : mm 5 7.5 10 12.25 , S 2.5 3.755.5 7.75 10.5 12.515 20 , C 1.5 2 2.5 4 5 6.5 7.5 10 1 B ISO 7425 1: 2006 4 2 : mm (1) D S d L1L2
5、r H9(2) h9(2) ( ) 2.00+( ) 2.00+ 2.5 11 2.2 16 3.75 8.5 3.2 2.5 15 2.2 20 3.75 12.5 3.2 3.75 17.5 3.2 5.5 14 4.2 25 5 15 5 8 3.75 24.5 3.2 5.5 21 4.2 32 5 22 5 8 3.75 32.5 3.2 5.5 29 4.2 40 5 30 5 8 5.5 39 4.2 7.75 34.5 6.3 50 7.5 35 7.5 12.5 5.5 52 4.2 7.75 47.5 6.3 63 7.5 48 7.5 12.5 0.5 5.5 69 4.
6、2 7.75 64.5 6.3 80 10 60 10 16 5.5 89 4.2 7.75 84.5 6.3 100 10 80 10 16 7.75 109.5 6.3 10.5 104 8.1 125 10 105 10 16 7.75 144.5 6.3 10.5 139 8.1 160 12.5 135 12.5 20 7.75 184.5 6.3 10.5 179 8.1 200 12.5 175 12.5 20 10.5 229 8.1 12.25 225.5 8.1 250 15 220 15 25 10.5 299 8.1 12.25 295.5 8.1 320 15 290
7、 15 25 12.25 375.5 8.1 15 370 12.5 400 20 360 20 32 12.25 475.5 8.1 15 470 12.5 500 20 460 20 32 0.9 (1) KS B ISO 3320 (2) ISO 286 2 B ISO 7425 1: 2006 5 1 ISO 468: 1982 Surface roughness Parameters, their values and general rules for specifying requirements 2 KS B ISO 4394 1: 2004 1 : 1 : 2006 7 10
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10、506 301 621 15( 4 ) (062)953 1435 7 Fax. (062)953 1438 641 966 298 7 ( 6 ) (055)212 1212 Fax. (055)212 1213 683 804 758 2( 2 ) (052)289 6601 3 Fax. (052)289 6604 425 020 541 3( 4 ) (031)487 6191 4 Fax. (031)487 6195 730 350 92 30( 8 ) (054)473 6954 Fax. (054)473 6955 480 848 2 487 6( 3 ) (031)829 8182 4 Fax. (031)829 8185 KOREAN STANDARDS ASSOCIATION KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKS B ISO 7425 1: 2006 Hydraulic fluid powerHousings for elastomer energized, plastic faced sealsDimensions and tolerancesPart 1:Piston seal housings ICS 23.100.20