1、 KS B 2398KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS B 2398: 2007 2007 8 31 http:/www.kats.go.krKS B 2398: 2007 : ( ) ( ) () () () ( ) ( ) : () () () : (http:/www.standard.go.kr) : :1979 12 28 :2007 8 31 20070559 : : ( 02-509-7274) (http:/www.kats.go.kr ). 7 5 , . KS B 2398: 2007 Leaf springsRequir
2、ements for design 1 , (1 . .) . . 1 N/mm2 = 1 MPa . 2 . . ( ) . KS B 0005, KS B 0103, KS D 3701, 3 KS B 0103 . 4 1 . . KS B 2398: 2007 2 1 KS D 3701 1 SPS1 . 2 SPS3 , SPS4 . 3 SPS5 SPS5A 4 SPS6 . 5 SPS7 , . 6 SPS8 . 7 SPS9 , . 5 5.1 2 . 2 P N, kgf mm k Pk2= N/mm, kgf/mm N/mm2, kgf/mm2 T N mm, kgf mm
3、 rad kr Tkr= N mm/rad, kgf mm/rad r N/mm2, kgf/mm2 l a mm b mm t I 2 mm4Z mm3n n E bN/mm2, kgf/mm2 a7.2 b , 206103N/mm221103kgf/mm2 . 1 2 12KS B 2398: 2007 3 5.2 2 , 1 . , r i r i . n . 1 a) . 1) 2 KlEIknn163= (1) =+=+=nninirrnrriiniinIllIIK11131)(11(2) niiIl= PIItnrrnii=12 (3) 2 P lnlnP 2P lnl2l1nb
4、 nb ln nKS B 2398: 2007 4 2) 3 (5) 4 . KlnEIkn=163(4) += e23log23221)1(3K (5) nn= PnZIn= (6) 3 nn= 4 lnnb nb K KS B 2398: 2007 5 b) . nnnlEIk163= (7) =1110)1()(nijjiiiiiZPl (8) =11)1()(nijjiiiciZPl (9) 11 =iiiiCB (a) iiiKB31)1(1+= iiill11= iiiiiiiiiiKe322log)(3)(2)3(31+= ( 5 .) iiibb= ib: 6 . iiitt=
5、 it: 6 . 11111=iiiiiiDAPP (b) iiiII11= 11123=iiiA111 +=iiiD 2)3(2111=iiiC(c) (i)0: i (N/mm2), kgf/mm2 (i)c: i i 1 (N/mm2), kgf/mm2 KS B 2398: 2007 6 iiitt= 5 6 . i 1, Ai 1, Bi, Ci 1 a0=0 . , (a) 1 , (c) D1 , (b) a1 Kibi li 1libi ti ti KS B 2398: 2007 7 . a1 (a) 2 . n . n (7) . a1 (8), (9) . 2 . 5.3
6、(b) , 6 7 . 2P, 7 . 7 . JlEIk+=323313)1()1(116+=2212211221e31231112111 12log13J (10) llllttbtI221113, ,12= . x l2l 2P l1tt1PP Pl 2Pl KS B 2398: 2007 8 . ZPlo= 2121)()/()(1111=ZPlx(11) lx= 5.4 5.4.1 8 . kA kB lA lB lA lB (1), (4), (7), (10) . lA lB . )1)(1()1()(22+=kkkkBA(12) BABAkkll= , 31)1()()1(+=
7、+=BAAkkkk (13) k 9 . 2P , (3), (6), (8), (9), (11) . +=112PPA(14) +=112PPB(15) PA: 2P lA (N), kgf PB: 2P lB (N), kgf 12KS B 2398: 2007 9 8 9 k 5.4.2 , . , . . 2l lAlBPBPA2P BAkkk+KS B 2398: 2007 10 . Wgkfe=210(16) f0 : (Hz) ke : (N/mm), kgf/mm W : (N), kgf g : (mm/s2) 1 10 . 10 DF , CE (2F) . . 2 11
8、 . 3 12 . 10 11 k F B E C 2F (2P) D 0 a a k( ) (a) (ke) ( ) KS B 2398: 2007 11 12 5.4.3 . U ( 16 ) . 5.4.4 ( 13 ). +=223)5)(1)(2SeCeCeCSR (17) +=23)2)(21SeCeCSl (18) R : (mm) C : (mm) e : (mm) 2S : (mm) 2l : C (mm) 13 1 2 (a) (2F) 2 l 2 S KS B 2398: 2007 12 e C R C l 14 15 . SC 14 C R SRKS B 2398: 2
9、007 13 SC 15 C l 5.4.5 3 . 16 17 . 3 () U U (U) 4080 %( 16 ) (B) 60 %( 17 ) SlKS B 2398: 2007 14 16 17 5.4.6 ( 18 ) , 19 . 222)1)(1()1(4+= klkT(19) +=121TItnrriTi(20) BABAkkll= , lA lB . )1)(1(4322+= klkT(21) 18 ( T ) U U BT lA2 l BAllT+BAllT+lBKS B 2398: 2007 15 19 kT 6 6.1 6.1.1 2022 . 20 ( ) 2klk
10、TKS B 2398: 2007 16 21 ( ) 22 6.1.2 23 24 . 23 24 ( ) 6.1.3 2528 . 25 1434KS B 2398: 2007 17 26 27 28 6.1.4 2932 . 29 30 b b 2 tt2 KS B 2398: 2007 18 30 ( ) 31 ( ) 32 ( ) 6.1.5 3335 . ( ) 3 mm20 mm, 5 mm20 mm, 6 mm25 mm, 6 mm30 mm 8 mm30 mm 5 . 33 34 KS B 2398: 2007 19 35 6.1.6 36 . 36 6.2 6.2.1 37
11、38 . 37 38 6.2.2 KS B 2398: 2007 20 39 . 39 6.2.3 40 . 40 6.2.4 41 . 41 7 7.1 a) b) . c) . 1430 45b 2 b 3 KS B 2398: 2007 21 , . a) b) c) . 7.2 , . 8 (3) (11) . (8), (9) (11) . , , , . 9 9.1 KS B 0005 . 9.2 . a) b) c) d) e) ( ) f) g) , , h) i) ( .) j) k) l) (HBW) m) ( , ) a)m) . 135513 7017 (02)60094114 (02)600948878 http:/ KS B 2398: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Leaf springs Requirements for design ICS 21.160 Korean Agency for Technology and Standards http:/www.kats.go.kr