.
1.1. :
η = η1η2η33
η1 = 0,97 [1c.5]
η2 = 0,97
η3 = 0,99 .
η = 0,970,970,993 = 0,91
1.2. :
. = ./η = 4,1/0,891= 4,83
1.3. .
*=
= 26
*=(26)(26)=(4...36)
1.4. .
.*= .*= 26,1(436)= 997,448976,66 -1
1.5. .
. = 4,83 .*= 997,448976,66 -1 4110L2 4, , : ( ) = 3000 -1, S = 3,4%, . = 5,5 , 112 .
1.6. .
.= .= (1-S/100) = 3000(1 3,4/100) = 2898 /.
1.7. .
u = ./. = 2898/249,36 = 11,6
1.8. .
2185-66 [2c.41]
- 1=4
- 2=2,8
1.9. .
= 1.2 = 4.2,8 = 11,2
1.10. :
n1 = n. = 2898 / w1 = 2898π/30 = 303,32 /-1
n2 = n1/u1 = 2898/4 = 724,5 / w2= w1 / u1 = 303,32/4= 75,83 /-1
n3 = n1/u = 724,5/11,2 = 258,75 / w3= w1/ = 303,32/11,2=27,08 /-1
1.11. :
1 = = 4,83
2 = η1η3 = 4,830,970,99 = 4,63
3= 4,4
1.12. :
1 = 1/w1 = 4,83103/303,32 = 15,92 ͷ
2 = 2/w2 = 4,63∙103/75,83 = 61,05 ͷ
3 = 3/w3 = 4,4∙103/27,08 = 162,48 ͷ
1.13. :
, | , / | , / | , ͷ | |
4,83 | 303,32 | 15,92 | ||
4,63 | 724,5 | 75,83 | 61,05 | |
4,4 | 258,75 | 27,08 | 162,48 |
1.14. .
tΣ= t..t..t..t..k.= 5.300.3.7.0,4= 12600.
t.= 5 - ; t.= 300 ; t.=3 ; t.=7 ; k.=0,4 - .
1.15. =1
Nk1 = Nk = 60cn1tΣ= 601289812600= 21,9108
|
|
Nk2 = Nk1/1= 21,9108/4= 5,48108
Nk3= Nk.= Nk2/2= 5,48108/2,8= 1,96108
2.1. .
40 : 260280; 230250.
2.2. .
2.2.1.1. 40 ,
- σHlimb1= 21+70= 2270+70= 610
- σHlimb2= 22+70= 2240+70= 550
2.2.1.2.
- NHlim1= (17+(25-17)(270-250/300-250))106= 20,2106
- NHlim2= (10+(17-10)(240-200/250-200))106= 15,6106
2.2.1.3. γ hi=const
γ= Σ(i/1)3(ti/tΣ)
γ= 130,25+0,630,75= 0,412
2.2.1.4.
ZN=(NHlim/NKE) 1/6 = (NHlim/NKγH) 1/6
-
ZN1=(NHlim1/NK.γH) 1/6=(20,2106/21,91080,412) 1/6= 0,655
ZN1=1
-
ZN2=(NHlim2/NK.γH) 1/6=(15,6106/5,481080,412) 1/6= 0,743
ZN2=1
2.2.1.5. SHlim=1,1 .
2.2.1.6.
[σH]= (σHlimbZN/ SHmin) ZR ZY ZL ZX ZW ZR,ZY,ZL,ZX,ZW =1
- [σH1]= (6101/1,1)1= 555
- [σH]= (5501/1,1)1= 550
-
[σH]= min{0,45([σH1]+[ σH2]); 1,23[σH2]}= min{0,45(555+550); 1,23500}= min{475;615}= 475
2.3.2. .
2.3.2.1. 40, NFlim= 4106,
- σFlimb1= 1.8HB= 1.8270= 486
- σFlimb2= 1.8HB= 1.8240= 432
2.3.2.2. γF= 0,285 hi=const
2.3.2.3.
YN=(NFlim/NKE ) 1/mF= (NFlim/NKγF) 1/mF
-
YN1= (NFlim/NK.γF) 1/6= ( 4106/21,91080,285) 1/6= 0,570
YN1=1
-
YN2=(NFlim/NK.γF) 1/6= (4106/5,481080,285) 1/6= 0,665
YN2=1
2.3.2.4. SFlim=1,5 ,
2.3.2.5. .
[σ]= (σFlimbYN/ SFmin) Yδ YR YX YA Yo Yδ,YR,YX,YA,Yo =1
- [σF1]= (4861/1,5)1= 324
- [σF2]= (4321/1,5)1= 288
2.4. .
.
2.5. .
aω≥ (u+1)(T1KHb/yba[σH]2u)1/3
, = 43 Z. [2c.46];
1- , 1=15,92103
KHb , KHb = 1,02- <350 .
|
|
yba = 0,4 . yba= bω/aω
aω ≥ (u+1)(T1KHb/yba[σH]2u)1/3= 43(4+1)(15,921031.02/0,447524)1/3=76
2185-66 [2 c.52] w = 80
2.6. .
bω2=ybaaω=0.480=32
bω1= bω2+(25)=37
bω1 bω2 6636-69 Ra20.
2.7. .
1 ≤350 2 ≤350 m = (0,01÷0,02)a w = (0,01÷0,02)80= 0,8÷1,6
9563-60 m = 1,25
2.8. .
2.8.1. β , εβ≥1
β≥arcsin(πmnεβ/ bω)= arcsin(π1,251/32)= arcsin(0,1226)= 704'
2.8.2. .
zΣ = 2awcosb/mn = 2∙80os704'/1,25 = 127
z1 = zΣ/(u+1) =127 (4+1) = 25,4
z2 = zΣ - z1 = 127 25,4 = 101,6
z1=25 z2=102
2.8.3.
= z2/z1 =102/25 = 4,08
=(/(-1))100%=(4,08/(4-1))100%=2%<2,5%
.
2.8.4. β.
cosb = mn(z1+z2)/2aw = 1,25(25+102)/280 = 0,9921 b =720'
.
mt= mn/cosb= 1,25/0,9921=1,2599
2.8.5. .
d1 = mtz1 = 1,259925= 31,49
d2 = mtz2= 1,2599102= 128,51
aw = (d1+d2)/2 = (31,49 + 128,51)/2 = 80
2.8.6.
da1 = d1+2mn = 31,49+21,25 = 33,09
da2 = d2+2mn = 128,51+21,25 = 131,01
2.8.7.
-
ea = [1,88 3,2(1/z1 + 1/z2)] cosb = [1,88 3,2(1/25+1/102)] 0,9921= 1,7943
-
eb = bω∙sinb/πm = 32∙sin720'/π∙1,25 = 1,0215
2.9.
v = ω1 d1/2 = 303,32 31,49/2 = 4,776 /
8.
2.10. .
- Ft1= Ft2= 21/ dω1 = 215,92103/31,49 = 1010 H
- Fr1 = Ft1tga/cosb = 1010tg20/0,9921 = 370 H
- Fa1 = Ft1tgb = 1010tg720'= 127 H
:
1 = Ft1v = 1010∙4,776= 4823
2.11.
σH= ZHZEZεZβ(FtKH u1/bωdω1u)1/2≤ [σH]
2.11.1.
KH = KHKHvKHbKHa
KH- KH=1,2-
KHv- , KHv = 1,03 8, <350, , V=4,776 /
KHb- , KHb=1,08- <350, , , ybd= b/d1=32/31,49=1,0159
KHa [4 .54, .6.11]
KHa= KFa/(0,830,85) 5≤n≤9 εβ>1
KHa= [4+(εa-1)(n-5)]/4εa= [4+(1,7943-1)(8-5)]/41,7943= 0,8893
KHa= KFa/0,84= 0,8893/0,84= 1,06
KH = KHKHvKHbKHa= 1,21,031,81,06=1,414
2.11.2. ZH
ZH = 2,46 (x1+x2)/(z1+z2)=0 β=720'
2.11.3. ZE [2c46]
ZE =190 1/2-
2.11.4. Ze- ; εβ≥1
Ze=(1/ εa)1/2=(1/1,7943)1/2=0,746
2.11.5. Zb β; Zb = 1
|
|
σH= ZHZEZεZβ(FtKH (u1/u)/bωdω1)1/2=2,461900,7461(10101,414(4,08+1/4,08)/3231,49) 1/2= =463
(1-463/475)100%= 2,52%
2.12. .
smax = sH(k(KH/KHmax))1/2≤ [smax]
KH=KHmax smax = sH(k)1/2=463(1,8)1/2=621
40 230250, <100 s = 600
[smax]=2,8s=2,8600=1680
smax=621<[smax]=1680- .
2.13.
σF= (FtKF/bωmn)YFSYβYε ≤ [σF]
2.13.1. .
KF = KFKFvKFbKFa
KF- KH=1,2-
KFv- , KFv = 1,06 8, <350, , V=4,776 /
KFb- , KFb=1,15- <350, , , ybd= b/d1=32/31,49=1,0159
KFa [4 .54, .6.11]
KFa= 0,8893
KF = KFKFvKFbKFa= 1,21,061,150,8893=1,301
2.13.2.YFS , , =0, zv = z/cos3b b= arccos0,9921= 720'
- zv1 = z1/cos3b = 25/0,99213 = 25,6 YFS1 = 3,78 [1 c.51, .6.7]
[σF1]/YFS1= 324/3,88= 83,5
- zv2= z2/cos3b =102/0,99213 = 104,4 YFS2 = 3,61 [1 c.51, .6.7]
[σF2]/YFS2= 288/3,61= 79,8
..
2.13.3. Yb ,
Yb = 1 εbb/120º = 1 1,0215720'/120º = 0,938
2.13.4. Ye - , , εb≥1
Ye = 1/ea= 1/1,7943= 0,557
σF2= (FtKF/bωmn)YFSYβYε = (10101,301/321,25)3,610,9380,557= 62,8 ≤ [σF2]=288
.
2.14. .
sFmax = sFk(KF/KFmax)≤ [smax]
KF=KFmax sFmax = sFk=62,81,8=113
[sFmax]=0,8s=0,8600=480
sFmax=113<[sFmax]=480- .
3.1. .
40 : 260280; 230250.
3.2. .
3.2.1.1. 40 ,
- σHlimb1= 21+70= 2270+70= 610
- σHlimb2= 22+70= 2240+70= 550
3.2.1.2.
- NHlim1=20,2106
- NHlim2=15,6106
3.2.1.3. γ=0,412 hi=const
3.2.1.4.
ZN=(NHlim/NKE) 1/6 = (NHlim/NKγH) 1/6
-
ZN1=(NHlim1/NK.γH) 1/6=(20,2106/5,481080,412) 1/6= 0,668
ZN1=1
-
ZN2=(NHlim2/NK.γH) 1/6=(15,6106/1,961080,412) 1/6= 0,833
|
|
ZN2=1
3.2.1.5. SHlim=1,1 .
3.2.1.6.
[σH]= (σHlimbZN/ SHmin) ZR ZY ZL ZX ZW ZR,ZY,ZL,ZX,ZW =1
- [σH1]= (6101/1,1)1= 555
- [σH]= (5501/1,1)1= 550
-
[σH]= min{0,45([σH1]+[ σH2]); 1,23[σH2]}= min{0,45(555+550); 1,23500}= min{475;615}= 475
3.3.2. .
3.3.2.1. 40, NFlim= 4106,
- σFlimb1=486
- σFlimb2=432
3.3.2.2. γF= 0,285 hi=const
3.3.2.3.
YN=(NFlim/NKE) 1/mF= (NFlim/NKγF) 1/mF
-
YN1= (NFlim/NK.γF) 1/6= ( 4106/5,481080,285) 1/6= 0,655
YN1=1
-
YN2=(NFlim/NK.γF) 1/6= (4106/1,961080,285) 1/6= 0,746
YN2=1
3.3.2.4. SFlim=1,5 , .
3.3.2.5. .
[σ]= (σFlimbYN/ SFmin) Yδ YR YX YA Yo Yδ,YR,YX,YA,Yo =1
- [σF1]= (4861/1,5)1= 324
- [σF2]= (4321/1,5)1= 288
3.4. .
.
3.5. .
aω≥ (u+1)(T2KHb/yba[σH]2u)1/3
, = 43 Z. [2c.46];
1- , 1=61,05103
KHb , KHb = 1,02- <350 .
yba = 0,4 . yba= bω/aω
aω ≥ (u+1)(T1KHb/yba[σH]2u)1/3= 43(2,8+1)(61,051031.02/0,447522,8)1/3=102
2185-66 [2 c.52] w = 100
3.6. .
bω2=ybaaω=0.4100=40
bω1= bω2+(25)=45
bω1 bω2 6636-69 Ra20.
3.7. .
1 ≤350 2 ≤350 m = (0,01÷0,02)a w = (0,01÷0,02)100= 1÷2
9563-60 m = 2
3.8. .
3.8.1. β , εβ≥1
β≥arcsin(πmnεβ/ bω)= arcsin(π21/40)= arcsin(0,157)= 903'
3.8.2. .
zΣ = 2awcosb/mn = 2∙100os903'/2 = 99
z1 = zΣ/(u+1) =99 (2,8+1) = 26,05
z2 = zΣ - z1 = 99 26,05 = 72,95
z1=26 z2=73
3.8.3.
= z2/z1 =73/26 = 2,81
=(/(-1))100%=(2,81/(2,8-1))100%=0,35%<2,5%
.
3.8.4. β.
cosb = mn(z1+z2)/2aw = 2(26+73)/2100 = 0,99 b =810'
.
mt= mn/cosb= 2/0,99= 2,0202
3.8.5. .
d1 = mtz1 = 2,020226= 52,52
d2 = mtz2= 2,020273= 147,48
aw = (d1+d2)/2 = (52,52 + 147,48)/2 = 100
3.8.6.
da1 = d1+2mn = 52,52+22 = 56,52
da2 = d2+2mn = 147,48+22 = 151,48
3.8.7.
-
ea = [1,88 3,2(1/z1 + 1/z2)] cosb = [1,88 3,2(1/26+1/73)] 0,99= 1,696
-
eb = bω∙sinb/πm = 32∙sin810'/π∙2 = 0,886
3.9.
v = ω1 d1/2 = 75,83 52,52/2 = 1,991 /
8.
3.10. .
- Ft1= Ft2= 22/ dω1 = 261,05103/52,52 = 2324 H
- Fr1 = Ft1tga/cosb = 2324tg20/0,99 = 854 H
- Fa1 = Ft1tgb = 2324tg810'= 327 H
:
2 = Ft1v = 2324∙1,991= 4627
3.11.
σH= ZHZEZεZβ(FtKH u1/bωdω1u)1/2≤ [σH]
|
|
3.11.1.
KH = KHKHvKHbKHa
KH- KH=1,2-
KHv- , KHv = 1,02 8, <350, , V=1,991 /
KHb- , KHb=1,08- <350, , ,
ybd= b/d1=40/52,52=0,762
KHa [4 .54, .6.11]
KHa= KFa/(0,830,85) 5≤n≤9 εβ>1
KHa= [4+(εa-1)(n-5)]/4εa= [4+(1,696-1)(8-5)]/41,696= 0,897
KHa= KFa/0,84= 0,897/0,84= 1,07
KH = KHKHvKHbKHa= 1,21,031,81,07=1,414
3.11.2. ZH
ZH = 2,46 (x1+x2)/(z1+z2)=0 β=810'
3.11.3. ZE [2c46]
ZE =190 1/2-
3.11.4. Ze- ; εβ≥1
Ze=(1/ εa)1/2=(1/1,696)1/2=0,768
3.11.5. Zb β; Zb = 1
σH= ZHZEZεZβ(FtKH (u1/u)/bωdω1)1/2=2,461900,7681(23241,414(2,81+1/2,81)/4052,52)1/2= =453
(1-453/475)100%= 4,63%
3.12. .
smax = sH(k(KH/KHmax))1/2≤ [smax]
KH=KHmax smax = sH(k)1/2=453(1,8)1/2=607
40 230250, <100 s = 600
[smax]=2,8s=2,8600=1680
smax=621<[smax]=1680- .
3.13.
σF= (FtKF/bωmn)YFSYβYε ≤ [σF]
3.13.1. .
KF = KFKFvKFbKFa
KF- KH=1,2-
KFv- , KFv = 1,06 8, <350, , V=1,991 /
KFb- , KFb=1,15- <350, , , ybd= 0,762
KFa [4 .54, .6.11]
KFa= 0,897
KF = KFKFvKFbKFa= 1,21,061,150,897=1,312
3.13.2.YFS , , =0, zv = z/cos3b b= arccos0,99= 810'
- zv1 = z1/cos3b = 26/0,993 = 26,7 YFS1 = 3,88 [1 c.51, .6.7]
[σF1]/YFS1= 324/3,88= 83,5
- zv2= z2/cos3b =73/0,993 = 75,2 YFS2 = 3,61 [1 c.51, .6.7]
[σF2]/YFS2= 288/3,61= 79,8
..
3.13.3. Yb ,
Yb = 1 εbb/120º = 1 0,886810'/120º = 0,940
2.13.4. Ye - , , εb≥1
Ye = 1/ea= 1/1,696= 0,589
σF2= (FtKF/bωmn)YFSYβYε = (23241,312/402)3,610,9400,589= 76,1 ≤ [σF2]=288
.
2.14. .
sFmax = sFk(KF/KFmax)≤ [smax]
KF=KFmax sFmax = sFk=76,11,8=136,98
[sFmax]=0,8s=0,8600=480
sFmax=136,98<[sFmax]=480- .