moc |
N [kW] |
44 |
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1. Dobór przełożenia u1 |
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v obr |
n [obr/min] |
3000 |
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344 rys 252 |
u1opt |
5 |
8 |
1 |
1 |
Zalecane zakresy doboru przełożenia pierwszego stopnia u1 dla przekładni dwustopniowej |
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przełożenie całkowite |
uc |
27 |
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347 rys 256 |
u1opt |
5 |
11 |
2 |
2 |
Optymalny podział przełożenia przekładni 2 stopniowej ze względu na długość przekładni |
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sprawność |
η |
1 |
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348 rys 259 |
u1opt |
5 |
7,1 |
3 |
3 |
Wpływ przełożenia na stosunek średnic dużych kół |
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349 rys 263 |
u1opt |
3,9 |
5 |
4 |
4 |
Zalecane przełożenia przekładni 2 i 3 stopniowej z uwagi na minimum momentu bezwładności kół |
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moment we |
M [Nm] |
140,067 |
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wybrane |
u1 |
6,5 |
6,50000001 |
0 |
4 |
OK. |
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moment wy |
M1 [Nm] |
3781,809 |
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u2 |
4,15384615384615 |
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v obr wy |
n1 [obr/min] |
111,111111111111 |
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moc wy |
N1 [kW] |
44 |
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130517 |
130520 |
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130517 |
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130517 |
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2. Dobór materiału na koła zębate |
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199 tab 26 |
oznaczenie |
HB nom daN/mm^2 |
ko MPa |
Zo Mpa |
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stal nawęglana |
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zębnik |
20 HGA |
650 |
56 |
610 |
15 HGA do 40H |
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koło |
15 HN |
650 |
56 |
570 |
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3. Obliczenie średnicy zębnika |
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370 wzór 7.40 |
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statystyczna wielkość obciążenia |
Qu [MPa] |
3,85 |
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względna szerokość zębnika |
κ = b/d1 |
1 |
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OK. |
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d1 alt |
44,2286106537787 |
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d1 [mm] |
d1 = (2M1[Nmm](u+1)/QuKu)^1/3 |
43,7875856611517 |
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N/mm^2 = MPa; M1 [N*mm] (*1000) |
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a alt |
165,85728995167 |
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zaokrąglenie |
d1 [mm] |
44 |
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4. Obliczenie odległości osi kół |
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370 wzór 7.42 |
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odległość osi kół |
a [mm] |
a = 0,5d1(u+1) |
165 |
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zaokrąglenie |
a [mm] |
165 |
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5. Obliczenie szerokości koła b |
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370 wzór 7.44 |
z kappy |
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b [mm] |
b = κ*d1 |
44 |
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6. Dobór liczby zębów |
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zakładana liczba zębów |
z1 |
15 |
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OK. |
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dobór kąta pochylenia linni zęba |
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351 wzór 7.30 |
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poskokowy wskaźnik przyporu |
εβ |
εβ = κ / PI * z1 * tgβ |
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optymalna wartość = 1 |
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przekształcając: |
β [rad] |
β = arctan(PI/K*z1) |
0,20645531758086 |
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β [°] |
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11,8290183554163 |
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OK. |
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zaokrąglenie |
β [°] |
11,8 |
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98 |
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liczba zębó koła |
z2 |
z2 = z1 * u1 |
98 |
97,5 |
OK. |
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przełożenie 1 stopnia |
u1 |
5,5 |
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7. Moduł w przekroju normalnym |
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32 tab 4 |
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moduł normalny |
mn |
3 |
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OK. |
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moduł normalny wyliczony |
[mm] |
2,871 |
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OK. |
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wymagany luz (obwodowy) |
j |
0,15 |
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zębnik |
koło |
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moduł normalny |
mn |
3 |
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1. Obliczenia geometryczne korygowanych kół śrubowych (116, tab 21) |
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liczba zębów zębnika |
z1 |
16 |
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Przełożenie |
u=z2/z1 |
u [1] |
5,8125 |
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liczba zębów koła |
z2 |
93 |
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kąt pochylenia linii zęba na kole podziałowym |
β [rad] |
0,20645531758086 |
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Moduł w przekroju czołowym |
m=mn*secβ |
m [1] |
3,06509121822558 |
3,065 |
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Kąt zarysu |
a0n [°] |
20 |
[rad] |
0,349065850398866 |
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SEC(β) |
[1] |
1,02169707274186 |
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Wysokość główy narzędzia |
ha0 = 1,25 * mn |
ha0 [1] |
3,75 |
3,75 |
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SEK = sekans = 1/cos |
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odległość osi |
a [mm] |
165 |
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średnica koła podziałowego |
d1 = z1 * mn * secβ |
d1 [mm] |
49,0414594916093 |
49,041 |
d2 = z2 * mn * secβ |
d2 [mm] |
285,053483294979 |
285,053 |
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tak jest w książce, nie wiem jakie my mamy przyjąć: |
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f0 |
1 |
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kąt zarysu w przekroju czołowym na śr podziałowej |
tga = tg20° * secβ |
a [rad] |
0,356021389024673 |
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c0 |
0,25 |
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a [°] |
20,398523007499 |
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ρ0 |
0,25 |
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Kąt pochylenia linii zęba na walcu zasadniczym |
sin(βb)=cos20° * sinβ |
βb [rad] |
0,193840898236077 |
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βb [°] |
11,1062653659521 |
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zastępcza liczba zębów |
zn1 = z1 / (cos^2βb * cos β) |
zn1 [1] |
16,977106281294 |
17 |
zn2 = u * zn1 |
zn2 [1] |
98,8125 |
99 |
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wielkość pomocnicza |
c = 0,5/ (tg^2 20° + cos^2 β)^1/2 |
c [1] |
0,478813722632263 |
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średnica koła zasadniczego |
db1 = 2z1 * mn * c |
db1 [mm] |
45,9661173726973 |
45,966 |
db2 = 2z2 * mn * c |
db2 [mm] |
267,178057228803 |
267,178 |
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A) Gdy założona jest odl osi |
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Kąt przyporu na śr tocznej w przekroju czołowym |
sec aw= a / (mn*c (z1+z2)) |
aw [rad] |
0,320995676065502 |
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aw [°] |
18,3916974805018 |
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x1 + x2 = (z1+z2)/2tg20° * (inv aw - inv a) - j/(2mn * sina) |
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suma wsp. Przesunięcia zarysu |
x1 + x2 = (z1+z2)/2tg20° * (inv aw - inv a) - j/(2mn * sina) |
x1+x2 [mm] |
-0,722608122553282 |
-0,7226 |
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OK. |
(x1+x2)/2 |
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-0,3613 |
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149,737519360277 |
z1+z2/tan |
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0,011499114406564 |
inv aw |
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Wspólczynniki przesunięcia zarysu |
x1 [mm] |
0,48 |
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x2 [mm] |
-1,2026 |
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do tego rys, chujowo się to robi |
0,015845933890275 |
inva |
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0,071726155955558 |
j/2 |
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Rozsunięcie kół podziałowych |
Δa = a - 0,5(d1+d2) |
Δa [mm] |
-2,047 |
-2,047 |
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0,688 |
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x1+x2 |
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Średnica koła tocznego |
dw1 = z1/(z1+z2) * 2a |
dw1 [mm] |
48,4403669724771 |
48,44 |
dw2 = z2/(z1+z2) * 2a |
dw1 [mm] |
281,559633027523 |
281,56 |
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Średnica podstaw |
df1 = d1 - 2ha0 +2mnx1 |
df1 [mm] |
44,421 |
44,421 |
df2 = d2 - 2ha0 +2mnx2 |
df2 [mm] |
270,3374 |
270,337 |
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średnica wierzchołków |
da1 = d1 + 2mn +2Δa -2mn*x2 |
da1 [mm] |
58,1626 |
58,163 |
da2 = d2 + 2mn +2Δa -2mn*x1 |
da2 [mm] |
284,079 |
284,079 |
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Kąt przyporu na wierzchołku |
tgaa1 = pierw kw z da1^2 / db1^2 - 1 |
tg(aa1) |
0,775310468545502 |
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tgaa2 = pierw kw z da2^2 / db2^2 - 1 |
tg(aa2) |
0,361270553920321 |
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częściowy wskaźnik przyporu |
ε1 = (z1/2p)*(tgaa1 - tgaw) |
ε1 |
1,12762086470363 |
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ε2 = (z2/2p)*(tgaa2 - tgaw) |
ε2 |
0,425921864445063 |
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Wskaźnik przyporu czołowego |
ε = ε1 + ε2 |
ε |
1,55354272914869 |
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OK. |
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Sprawdzenie zazębienia kolejno wg wzorów 1.97 - 1.100 (str 78 tab 9) |
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wzór 1.97 |
cos aa1 = db1/da1 |
aa1 [rad] |
0,65950400624936 |
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cos aa2 = db2/da2 |
aa2 [rad] |
0,346679906996999 |
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aa1 [°] |
37,7867961300578 |
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aa2 [°] |
19,8632955129159 |
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inv aa z tablicy 1 |
inv aa1 = tan(a[rad]) - a[rad] |
invaa1 [1] |
0,115806462296142 |
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invaa2 [1] |
0,014590646923323 |
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A Grubość zęba wzór 1.98 |
BUBA |
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Szerokość głowy zęba |
sa1 = da1(PI / 2z1 + 2x1 / z1 * tg a0 + inva0 - invaa1) |
sa1 [mm] |
1,11154762869363 |
1,11 |
sa2 = da2(PI / 2z2 + 2x2 / z2 * tg a0 + inva0 - invaa2) |
sa2 [mm] |
2,21322788942997 |
2,21 |
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Wymagana wartość to 0,4 dla kruchych materiałów |
s/m > 0,4 |
s/m |
0,37 |
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OK. |
s/m |
0,73774262980999 |
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B. Interferencja wzór 1.99 |
OK. |
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kąt przyporu na kole ograniczającym czynną część ewolwenty |
tgaA1 = tg aw - z2/z1 * (tgaa2 - tgaw) |
tgaA1 [1] |
0,16523566542908 |
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tgaA2 = tg aw - z1/z2 * (tgaa1 - tgaw) |
tgaA2 [1] |
0,256311448007819 |
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kąt zarysu w punkcie podcięcia ewolwenty |
tgaP1 = tga0 - 4*(f0+c0-ρ0 - x1)/(z1*sin2a0) |
tgaP1 [1] |
0,161726136774349 |
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tgaP2 = tga0 - 4*(f0+c0-ρ0 - x2)/(z2*sin2a0) |
tgaP2 [1] |
0,216587984758987 |
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OK. |
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OK. |
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C Sprawdzanie podcinania wzór 1.102 |
OK. |
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warunek dodatniej korekcji ? |
tgaP1 > 0 |
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tgaP2 > 0 |
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OK. |
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OK. |
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D Sprawdzanie wskaźnika przyporu |
OK. |
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ε = ε1 + ε2 > 1,2 |
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OK. |
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E Sprawdzanie luzu wierzchołkowego |
OK. |
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wzór 1.106 |
c1 = a - 0,5(df1 + da2) |
c1 [mm] |
0,75 |
0,75 |
c2 = a - 0,5(df2 + da1) |
c2 [mm] |
0,75 |
0,75 |
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OK. |
c1 > 0; FOLĘGA 0,1 ¸ 0,3 mn ?? |
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OK. |
c2 > 0 |
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F Sprawdzenie poślizgu |
raczej OK. :P |
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wzór 107 i 108 |
n1 = (u+1)/u * (1 - tgaw/tgaa1) |
n1 [1] |
0,669407987630214 |
0,669 |
n2 = (u+1) * (1 - tgaw/tgaa2) |
n2 [1] |
0,542626257147091 |
0,543 |
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z rys 54 wynika, że punkt lezy nieco poza zaokresem dla u =6; ale są blisko siebie |
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to tez ? |
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wzór 109 i 110 |
n' = u+1/u * (tgaw - tgaA1)/tgaA1 |
n' |
1,1863957335251 |
1,186 |
n'' = (u+1) * (tgaw - tgaA2)/tgaA2 |
n'' |
2,0248764718533 |
2,025 |
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prędkość obwodowa dla jakiej średnicy ? |
0,707419898819562 |
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vobw = 60*(PI * d * n)/ 1000 [m/s] |
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wymagany luz (obwodowy) |
j |
0,15 |
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zębnik |
koło |
moduł normalny |
mn |
3 |
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1. Obliczenia geometryczne korygowanych kół śrubowych (116, tab 21) |
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liczba zębów zębnika |
z1 |
13 |
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Przełożenie |
u=z2/z1 |
u [1] |
4,61538461538462 |
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liczba zębów koła |
z2 |
60 |
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kąt pochylenia linii zęba na kole podziałowym |
β [rad] |
0,20645531758086 |
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Moduł w przekroju czołowym |
m=mn*secβ |
m [1] |
3,06509121822558 |
3,065 |
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Kąt zarysu |
a0n [°] |
20 |
[rad] |
0,349065850398866 |
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SEC(β) |
[1] |
1,02169707274186 |
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Wysokość główy narzędzia |
ha0 = 1,25 * mn |
ha0 [1] |
3,83125 |
5,4 |
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SEK = sekans = 1/cos |
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odległość osi |
a [mm] |
115 |
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średnica koła podziałowego |
d1 = z1 * mn * secβ |
d1 [mm] |
39,8461858369325 |
39,846 |
d2 = z2 * mn * secβ |
d2 [mm] |
183,905473093535 |
183,905 |
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kąt zarysu w przekroju czołowym na śr podziałowej |
tga = tg20° * secβ |
a [rad] |
0,356021389024673 |
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a [°] |
20,398523007499 |
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Kąt pochylenia linii zęba na walcu zasadniczym |
sin(βb)=cos20° * sinβ |
βb [rad] |
0,193840898236077 |
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βb [°] |
11,1062653659521 |
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zastępcza liczba zębów |
zn1 = z1 / (cos^2βb * cos β) |
zn1 [1] |
13,7938988535514 |
14 |
zn2 = u * zn1 |
zn2 [1] |
64,6153846153846 |
64,5 |
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wielkość pomocnicza |
c = 0,5/ (tg^2 20° + cos^2 β)^1/2 |
c [1] |
0,478813722632263 |
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średnica koła zasadniczego |
db1 = 2z1 * mn * c |
db1 [mm] |
37,3474703653165 |
37,347 |
db2 = 2z2 * mn * c |
db2 [mm] |
172,372940147615 |
172,373 |
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A) Gdy założona jest odl osi |
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Kąt przyporu na śr tocznej w przekroju czołowym |
sec aw= a / (mn*c (z1+z2)) |
aw [rad] |
0,42308203946604 |
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aw [°] |
24,2408152491914 |
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za wielkie ? |
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x1 + x2 = (z1+z2)/2tg20° * (inv aw - inv a) - j/(2mn * sina) |
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suma wsp. Przesunięcia zarysu |
x1 + x2 = (z1+z2)/2tg20° * (inv aw - inv a) - j/(2mn * sina) |
x1+x2 [mm] |
1,06612013166817 |
1,0661 |
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za wielkie… |
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OK. |
(x1+x2)/2 |
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0,53305 |
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100,282925810094 |
z1+z2/tan |
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0,027192294982476 |
inv aw |
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Wspólczynniki przesunięcia zarysu |
x1 [mm] |
0,47 |
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x2 [mm] |
0,5961 |
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0,015845933890275 |
inva |
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0,071726155955558 |
j/2 |
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Rozsunięcie kół podziałowych |
Δa = a - 0,5(d1+d2) |
Δa [mm] |
3,125 |
3,125 |
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1,06612013166817 |
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x1+x2 |
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Średnica koła tocznego |
dw1 = z1/(z1+z2) * 2a |
dw1 [mm] |
40,958904109589 |
40,959 |
dw2 = z2/(z1+z2) * 2a |
dw1 [mm] |
189,041095890411 |
189,041 |
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Średnica podstaw |
df1 = d1 - 2ha0 +2mnx1 |
df1 [mm] |
31,866 |
31,866 |
df2 = d2 - 2ha0 +2mnx2 |
df2 [mm] |
176,6816 |
176,682 |
1,09669821567424 |
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0,911827871795353 |
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średnica wierzchołków |
da1 = d1 + 2mn +2Δa -2mn*x2 |
da1 [mm] |
48,5194 |
48,519 |
da2 = d2 + 2mn +2Δa -2mn*x1 |
da1 [mm] |
193,335 |
193,335 |
0,42308203946604 |
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Kąt przyporu na wierzchołku |
tgaa1 = pierw kw z da1^2 / db1^2 - 1 |
tg(aa1) |
0,829316598835399 |
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tgaa1 = pierw kw z da1^2 / db1^2 - 1 |
tg(aa2) |
0,507942261830952 |
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częściowy wskaźnik przyporu |
ε1 = (z1/2p)*(tgaa1 - tgaw) |
ε1 |
0,784243850232929 |
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ε2 = (z2/2p)*(tgaa2 - tgaw) |
ε2 |
0,550688142046755 |
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Wskaźnik przyporu czołowego |
ε = ε1 + ε2 |
ε |
1,33493199227968 |
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OK. |
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z1 |
14 |
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tablica 43 str 374 |
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z2 |
97 |
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str |
pomocnicza |
nr |
tab / rys |
wielkość |
wzór |
wynik |
zaokr |
Wspólne |
K.1 |
K.2 |
β [rad] |
0,184864464904727 |
10,5919536209852 |
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1 |
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u [1] |
u= z2/z1 |
6,92857142857143 |
6,93 |
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x |
x |
mn |
3 |
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2 |
T.18 |
d1 [mm] |
d1 = (z1*mn)/cosβ |
42,7280356148841 |
42,73 |
x |
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x |
b |
51,6 |
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3 |
T.18 |
d2 [mm] |
d2 = (z2*mn)/cosβ |
296,044246760269 |
296,04 |
x |
x |
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a |
170 |
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4 |
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dw1 [mm] |
dw1 = 2a * (z1/(z1+z2)) |
42,8828828828829 |
42,88 |
x |
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x |
a0n |
20 |
[rad] |
0,349065850398866 |
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5 |
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dw2 [mm] |
dw2 = 2a * (z2/(z1+z2)) |
297,117117117117 |
297,12 |
x |
x |
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x1 |
0,29 |
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6 |
T.18 |
dw1n [mm] |
dw1n = dw1/(cos^2(βb)) |
44,2016372093075 |
44,20 |
x |
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x |
x2 |
-0,1547 |
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7 |
T.18 |
dw2n [mm] |
dw2n = dw2/(cos^2(βb)) |
306,254200664487 |
306,25 |
x |
x |
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y |
0,002 |
y = yn * cosβ |
skrócenie głowy zęba w przekroju czołowym 1.232 |
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8 |
T.18 |
mwn [mm] |
mwn = dw1*cosβ/z1 |
3,01088028383841 |
3,01 |
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x |
x |
n1 |
3000 |
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9 |
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da1 [mm] |
da1 = d1 + 2*mn*(x1+1-y) |
50,4560356148842 |
50,46 |
x |
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x |
N |
51 |
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10 |
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da2 [mm] |
da2 = d2 + 2*mn*(x2+1-y) |
301,104046760269 |
301,10 |
x |
x |
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Kp |
1 |
? |
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11 |
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h'1 [mm] |
h'1 = 0,5*(da1-dw1) |
3,78657636600063 |
3,79 |
x |
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x |
HB1nom |
650 |
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12 |
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h'2 [mm] |
h'2 = 0,5*(da2-dw2) |
1,99346482157583 |
1,99 |
x |
x |
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HB2nom |
650 |
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43 |
8,5674856341342 |
13 |
R.21 |
ε01 |
ε01 = f (awn, 100h'1/dw1n) |
0,71 |
0,71 |
x |
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x |
ft1 |
25 |
PN |
|
43 |
0,650767010390068 |
14 |
R.21 |
ε02 |
ε02 = f (awn, 100h'2/dw2n) |
0,93 |
0,93 |
x |
x |
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ft2 |
30 |
PN |
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15 |
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ε1n |
ε1n = ε01 * h'1/mwn |
0,89298239787446 |
0,89 |
x |
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x |
k01 |
56 |
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16 |
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ε2n |
ε1n = ε02 * h'2/mwn |
0,615572899368981 |
0,62 |
x |
x |
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k02 |
56 |
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17 |
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εn |
εn = ε1n + ε2n |
1,50855529724344 |
1,51 |
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x |
x |
HB1 |
600 |
? |
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18 |
T.18 |
εa |
εa = εn cos^2(βb) |
1,46354760181646 |
1,46 |
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x |
x |
HB2 |
600 |
? |
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19 |
T.18 |
εβ |
εβ = b*sinβ/(PI*mn) |
1,00636501026088 |
1,01 |
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Uwaga |
Uwaga |
klasa dokładności |
7 |
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20 |
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v [m/s] |
v = dw1*n1/19100 |
6,7355497382199 |
6,74 |
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x |
x |
l/b |
5 |
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21 |
PN |
ft [μm] |
ft = (ft1^2 + ft2^2)^0,5 |
39,0512483795333 |
39,05 |
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x |
x |
koła hartowane ? |
1 |
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22 |
PN |
Fβ [μm] |
11 albo 16 |
12 |
12 |
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Uwaga 1 |
Uwaga 1 |
awn |
0,358528164853744 |
[rad] |
20,5421506826901 |
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23 |
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ym |
ym = 0,64 + 2/(b*mn)^0,5 |
0,800747607390137 |
0,8 |
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Uwaga 1 |
Uwaga 1 |
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379 |
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24 |
T.44 |
h [μm] |
h = Rz1 + Rz2 |
12,6 |
12,60 |
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x |
x |
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|
|
|
dla zwykłych |
25 |
|
yh |
yh = 0,6 + ? 1,4/(1 + (600*h/(y*?v))^2) |
0,611026924303775 |
0,61 |
|
Uwaga 2 |
2.180 - 2.181 |
|
|
|
|
|
dla hartowanych |
|
2.181 |
yh |
|
0,948910099920185 |
0,95 |
|
|
|
|
|
|
|
106 |
|
26 |
T.18 |
yβ =f (β) |
|
0,958 |
0,96 |
|
x |
x |
|
|
|
|
|
|
27 |
T.18 |
z1n = z1 f (β) |
|
1,043 |
14,60 |
x |
|
x |
|
|
|
|
|
|
28 |
T.18 |
z2n = z2 f (β) |
|
1,043 |
101,17 |
x |
x |
|
|
|
|
|
|
OK. |
29 |
|
yε |
yε = 1 - (2PI/(tgαwn * z1n) )* (1-ε1n) |
0,877131525043073 |
0,88 |
x |
|
x uwaga 3 |
|
|
awn = |
20,54 |
208 |
|
30 |
t.27 |
yc = f(αwn) |
|
2,99 |
2,99 |
|
x |
x |
|
|
|
|
|
|
31 |
|
y1 |
y1=yc/yε |
3,40935005701254 |
3,41 |
X |
|
X |
|
|
|
|
|
|
32 |
|
qε |
qε = 1/εα |
0,683060109289617 |
0,68 |
|
x |
x |
|
|
|
|
202 |
|
33 |
R.152 |
q1 = f (z1n, x1) |
|
2,6 |
2,60 |
x |
|
x |
|
|
|
|
202 |
|
34 |
r.152 |
q2 = f (z2n, x2) |
|
2,5 |
2,50 |
x |
x |
|
|
|
|
|
|
OK. |
35 |
R.136 |
Ks |
Ks = 1,4 / εα |
0,956284153005464 |
0,96 |
|
uwaga 4 |
|
|
|
|
|
|
|
36 |
|
Q [MPa] |
Q = (10^7*N*(u+1)^2)/((2,1*n1*b*a^2) |
3,4128634942349 |
3,41 |
|
wzór 2,7 |
|
|
|
|
|
|
|
37 |
|
P |
P = (vz1/800) * (u^2/1+u^2)^0,5 |
0,116671216180189 |
0,12 |
|
x |
x |
|
|
|
|
|
|
38 |
|
B |
B = (4*ft))/(Q*Kp*dw1) |
1,06726115462442 |
1,07 |
|
x |
x |
|
|
|
|
|
|
39 |
|
Kd |
|
1,10583968229913 |
1,11 |
|
x |
x |
|
|
|
|
|
|
40 |
|
A |
A = (7,5*Fβ)/(QKpKddw1) |
0,555988660515243 |
0,56 |
|
x |
x |
|
|
|
|
174 |
|
41 |
T.25 |
Kr |
Kr = f(A) |
1,13 |
1,13 |
|
x |
x |
l/b |
5 |
b/d1 |
1,20763901891032 |
a/b |
3,29457364341085 |
42 |
R116-131 |
Kr0 |
Kr0 = f(układu) |
2,1 |
2,10 |
przejebane ;p |
x |
x |
|
|
|
|
to wyzej 180 |
|
43 |
|
Krw |
Krw = Kr + Kr0 - 1 |
2,23 |
2,23 |
|
x |
x |
|
|
|
|
|
|
44 |
|
Qc [MPa] |
Qc = QKpKdKrwKs |
8,04737372264 |
8,05 |
|
x |
x |
|
|
|
|
eeee HB co to ? |
? |
45 |
T.26 |
kz1 [MPa] |
kz1 = ko1(HB/HBnom)^2 |
47,715976331361 |
47,72 |
x |
|
x |
|
|
|
|
|
? |
46 |
T.26 |
kz2 [MPa] |
kz1 = ko2(HB/HBnom)^2 |
47,715976331361 |
47,72 |
x |
x |
|
|
|
|
|
199 |
? |
47 |
T.26 |
Zz1 [MPa] |
|
610 |
610,00 |
x |
|
x |
|
|
|
|
|
? |
48 |
T.26 |
Zz2 [MPa] |
|
610 |
610,00 |
x |
x |
|
|
|
|
|
201 |
ro /m = 0,2 ;p |
49 |
R.151a |
yk1 |
|
1 |
1,00 |
x |
|
x |
|
|
|
|
201 |
|
50 |
R.151a |
yk2 |
|
1 |
1,00 |
x |
x |
|
|
|
|
|
201 |
|
51 |
R.151b |
yp1 |
|
1,1 |
1,10 |
x |
|
x |
|
|
|
|
201 |
|
52 |
R.151b |
yp2 |
|
1,1 |
1,10 |
x |
x |
|
|
|
|
|
|
|
|
WSPÓŁCZYNNIKI BEZPIECZENSTWA |
|
|
|
|
|
|
|
|
|
|
|
|
OK. |
53 |
|
Xp1 |
Xp1 = (kz1*ym*yh/(Qc*y1*yβ))*u/(u+1) |
1,20611408802155 |
1,21 |
x |
|
x |
|
|
|
|
|
OK. |
54 |
|
Xp2 |
Xp2 = (kz2*ym*yh/(Qc*yc*yβ))*u/(u+1) |
1,37513141339982 |
1,38 |
x |
x |
|
|
|
|
|
|
OK. |
55 |
złamanie, 2 <Xz < 4 |
Xz1 |
Xz1 = (Zz1*ym)/(Qc*z1*qε*q1*yk1*yp1) |
2,22030980745204 |
2,22 |
x |
|
x |
|
|
|
|
|
OK. |
56 |
|
Xz2 |
Xz2 = (Zz2*ym)/(Qc*z1*qε*q2*yk2*yp2) |
2,30912219975012 |
2,31 |
x |
x |
|
|
|
|
|
|
OK. |
|
Xz / Xp = 1,2 do 2,5 |
|
|
1,8407960199005 |
1,84 |
|
|
|
|
|
|
|
|
OK. |
|
|
|
|
1,67927272727273 |
1,68 |
|
|
|