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ɠ Ҡ

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1997.

-

.

1. .

1.1. P 10

1.2. w 6 /

1.3. 頠 j 1.19

1.4. ࠠ P1 x P2 2 x 3

1.5. -

1 - <

2 - <

1.6. ⠠ 1,3

1.7. ⠠

1.8. ࠠ

2.

2.1.

3.

3.1.

4.

4.1. 8338-75

-

. - -

.

, ( P x P ),

. -

, , -

.

P x P = 2 x 3.

6- .

.

.

, .

( ),

- , -

, , , , ..

.

.

, .

-

.

1. .

2. .

3. .

4. .

5. .

6. .

7. .

8. .

9. .

.

1. .

1.1. I I I

,

. -

I I I -

:

w1 =wmin * i.. / ,

i.. - .

I

.

:

wi = wi -1 * j / ,

j - ,

i.. = 3. :

w1 = 6 * 3 = 18 / ,

w2 = w1 * j = 18 * 1.19 = 21.42 /,

, -

.

.


w8

w.. w9

w6

w6

w7

w1 wmin

1.2. .

,

Z1 x Z3 ,

u1x3 = w1 / w3.

wi - , /.

u1x3 = 76 / 51.09 = 1.5

-

, -

.

1.3. .

-

. , -

.

, -

I I I I.

P1 x P2 = 2 x 3.


1.4. .

, -

, -

:

Ti = P / wi ,

Ti - , *,

P -

wi - /.

T1 = 10000 / 76 = 131.6 *

, .

.

. 1.2.

U

w

/

T

*

U w /

T

*

w1

/

10 2.8 18 555.6 6
I I I 8 2.3 21.42 466.9 7.14
I I 3 1.5 51.09 195.7 9 2 25.47 392.6 8.49
4 1.3 60.81 164.4 10 2 30.33 329.7 10.11
I - - 76 131.6 I I I 8 1.68 36.09 277.1 12.03
9 1.42 42.96 232.8 14.32

2.

2.1.

u = 3

2.2. Z1= 25 . 11.4 [1]

Z2 = Z1* u

Z2 = 25 * 3 = 75

2.3. . 7.2 [2]

10947-64, :

t

D,

d, b, B,

B,

Q , q, /
9,525 5 3.59 8.8 10.95 7.6 1100 0.44

-9.525-1100 10947-64

2.4. :

Dn = t / (sin (180/Zn)) ,

t - , Zn - .

.

D1 = 9.525/sin 7.2 = 76 ,

D2 = 9.525/sin 2.4 = 227.4 ,

2.5. :

Da = t / (tg (180/Zn)) ,

t - , Zn - .

.

Da1 = 9.525/tg 7.2 = 81.1 ,

Da2 = 9.525/tg 2.4 = 232.9 ,

2.6. :

amin = (Da1+Da2)/2 + (30...50) ,

amin = 81.1+232.9 / 2 +50 = 207 ,

2.7. :

w = (Z1+Z2)/2 + 2amin/t + (Z2-Z1/2p)2 * t/amin

t - , Zn - , amin - ,.

w = 100/2 + 414/9.525 + (50/2p)2 * 9.525/207 = 96.37 = 96

jk

2.8. :

a = t/4 * (w - Z2+Z2 /2 + Ö (w-Z1+Z2/2)2 - 8 * (Z2-Z1/2p)2 ) ,

t - , Zn - , w - .

a = 9.525/4 * (96-50*Ö(96-50)2-8 * (50/2p)2 ) = 205 ,

2.9. :

u = (Z1* t * n1) / (60 * 1000) ,/

u = (Z2* t * n2) / (60 * 1000) ,/

t - , n - .

u = (25 * 9.525 * 137) / 60000 = 0.54 ,/

u = (75 * 9.525 * 46) / 60000 = 0.54 ,/

2.10. 蠠

:

ni = Zi * ni / 30 * w ,1/c

t - , Zn - , ni - .

n1 = 25 * 137 / 30 * 96 = 1.2

n2 = 75 * 46 / 30 * 96 = 1.2

2.11. :

Su = qu2

q - ,/.

Su = 0.44 * 0.542 = 0.128

2.12. O :

Sq = Kf * q * a* g

: Kf -

Kf = 6 .

q - 1 ,

Sq = 6 * 0.44 * 9.8 * 0.2 = 5.1

2.13. .

P = N*103 / u ,

N - , u - .

P = 8.75 *103 / 0.54 = 16203 ,

2.14. , .

p = P * k / F ,/2

k :

k = k * k * k * k * k * k ;

k - ,

k = 1

k - = 1

k - ,

- k = 1

k -

- k = 1

k -

- k = 1.5

k -

- k = 1.25

k = 1*1*1*1*1.5*1.25 = 1.875

F - 2. .

F = B*d*m,

m - = 1;

B d - . . .

F = 1.95 * 0.359 = 0.7

p = 16203 * 1.875 / 0.7 = 43400.9 /2;

2.15. , ,

.

R = P + 2*Sq,

Sq - .

P - .

R = 16203 + 2 * 5.1 = 16213.2 ,

3. .

-

. 1 3 7

10.

3.1. :

. 3.1.

n1 /

n2 /

n3 /

i1x3

i7x10

725 483 172.5 1.5 2.8

3.2.

: Z1 Z7 - 40; s=880/2; s=690/2; -

- ; = 257. Z3 Z10 ,

- s=690/2 ; s=440/2; =200.

3.3.

:

s-1 0.35s + (70¸120) /2

:

s-1 0.35s + (70¸120) /2

:

s-1 0.35*880 + (70¸120) =378¸428 /2

s-1 0.35*690 + (70¸120) = 311¸361 /2

s-1 = 410 /2 s-1 = 320 /2

3.4. :

[s0]u=(1.5*s-1) / ([n]*kpu ) /2

, : [n]=1.5, ks = 1.6 kpu = 1, :

[s0]u=(1.5*410) / (1.5*1.6) = 256 /2

 

, : [n]=1.5, ks = 1.5 kpu = 1, :

[s0]u=(1.5*320) / (1.5*1.5) = 214 /2

3.5. Z3 Z10 -

kpk = 1 :

[s]k = 2.75 HB*kpk /2

 

[s]k = 2.75 * 200 = 550 /2

3.6. .

M = N/w *.

:

= 8.75 * 103 / 75.9 = 115.3 *.

:

= 8.75 * 103 / 75.9 = 115.3 *.

:

= 8.75 * 103 / 75.9 = 115.3 *.

3.7. 1x3.

3.7.1. .

= ( i + 1) * Ö (340/[s]k)2 * / (yA* i * kn ),

i = 1.5, =1.5 , :

= * = 1.5 * 172.4 = 259.4 ,*.

y = / - , = 0.2

kn = 1, .

:

= ( 1.5 + 1) * Ö (340/550)2 * 259.4*103 / (0.2*1.5 *1 ) = 170.8 ,

2185-66 = 160 (. . 11 [2])

3.7.2. .

m = (0.01 ¸ 0.02)*A ,

m = (0.01 ¸ 0.02)*160 = 1.6 ¸ 3.2 ,

m = 3 ( 9563-60), . . 3.2 [2]

:

Z = 2 / m(1+i)

m - ,

- ,

i -

Z1 = 2*160 / 3*(1+1.5) = 42

Z2 = Z1 * i = 42 * 1.5 = 64

3.7.3 :

d1 = m * Z1 = 3 * 42 = 126 ,

d2 = m * Z2 = 3 * 64 = 192 ,

B1 = B2 + 5 = 40 + 5 = 37 ,

B2 = yA * A = 0.2 * 160 = 32 ,

De1 = d1 + 2m = 126 + 6 = 132 ,

De2 = d2 + 2m = 192 + 6 = 198 ,

Di1 = d1 - 2.5m = 126 - 7.5 = 118.5 ,

Di2 = d2 - 2.5m = 192 - 7.5 = 184.5 ,

m - ,

y - .

3.7.4. :

n = p*d2*n / 60 ,/

n - = 483 /

n = p*0.192*483 / 60 = 4.8 /

350

9-

. . 3.9. [2].

3.7.5. :

= * ;

- . -

. /d = 37 / 126 = 0.3 , = 1.3 , = 1.5

= 1.3 * 1.5 = 1.9

3.7.6. -

:

sk = 340/A * Ö ( i+1)3 / (B*i*kn), /2

= = 160 ,

= * = 1.9 * 115.3 = 219.1 ,*.

sk = 340/160 * Ö 219.1*103( 1.5+1)3 / (37*1.5 *1) = 530.3 /2,

sk < [s]k.

3.7.7. .

:

P2 = 2 / d1 ,

P2 = 2*115.3*103 / 126 = 1830.2,

:

T2 = P2 * tg20 ,

T2 = 1830.2 * tg20 = 666.1 ,

3.7.8. .

su = Pp / ( y*B*m*knu ) , /2

y - . 3.4 [2], knu = 1

.

:

Z1 = 42 ; y1 = 0.446

Z2 = 64 ; y2 = 0.470

:

y1[s0]u = 0.446 * 256 = 114.2 ,/2

:

y3[s0]u = 0.470 * 214 = 100.6 ,/2

.

:

Pp = P2p = K*P = 2.1 * 1830.2 = 3843.4 ,

= 3 = 32 ,

() Z3:

su = 3843.4 / ( 0.47 *32*3*1 ) = 85.18 /2 ,

[s0]u = 214 ,/2

su < [s0]u.

3.8. 7x10.

3.8.1.

.

= ( i + 1) * Ö (340/[s]k)2 * / (yA* i * kn ),

i = 1.5, =1.5 , :

= * = 1.5 * 172.4 = 259.4 ,*.

y = / - , = 0.2

kn = 1, .

:

= ( 2.8 + 1) * Ö (340/550)2 * 259.4*103 / (0.2*2.8 *1 ) = 198.46,

2185-66 = 200 (. . 11 [2])

3.8.2. .

m = (0.01 ¸ 0.02)*A ,

m = (0.01 ¸ 0.02)*200 = 2 ¸ 4 ,

m = 3 ( 9563-60), . . 3.2 [2]

:

Z = 2 / m(1+i)

m - ,

- ,

i -

Z1 = 2*200 / 3*(1+2.8) = 34

Z2 = Z1 * i = 34 * 2.8 = 94

3.8.3 :

d1 = m * Z1 = 3 * 34 = 102 ,

d2 = m * Z2 = 3 * 94 = 282 ,

B1 = B2 + 5 = 40 + 5 = 45 ,

B2 = yA * A = 0.2 * 200 = 40 ,

De1 = d1 + 2m = 102 + 6 = 108 ,

De2 = d2 + 2m = 282 + 6 = 288 ,

Di1 = d1 - 2.5m = 102 - 7.5 = 95.5 ,

Di2 = d2 - 2.5m = 282 - 7.5 =274.5 ,

m - ,

y - .

3.8.4. :

n = p*d2*n / 60 ,/

n - = 483 /

n = p*0.282*172.5 / 60 = 2.5 /

350

9-

. . 3.9. [2].

3.8.5. :

= * ;

- . -

. /d = 45 / 102 = 0.4 , = 1.4 , = 1.5

= 1.3 * 1.5 = 2.1

3.8.6.

:

sk = 340/A * Ö ( i+1)3 / (B*i*kn), /2

= = 200 ,

= * = 2.1 * 172.9 = 363.1 ,*.

sk = 340/200 * Ö363.1*103( 2.8+1)3 / (45*2.8 *1) = 650.6 /2,

sk > [s]k.

:

sk - [sk] / [sk] * 100%

670 - 550 / 550 * 100% = 18%,

,

7x10, 8- .

= 1.3 : = 1.3 .

K = 1.3 * 1.3 = 1.69

sk = sk * Ö K/K = 650.6 * Ö 1.69 / 2.1 = 574.1 ,/2

:

574.1 - 550 / 550 * 100% = 5%,

.

3.8.7. .

:

P2 = 2 / d1 ,

P2 = 2*172.9*103 / 102 = 3390,

:

T2 = P2 * tg20 ,

T2 = 3390 * tg20 = 1234 ,

3.8.8. .

su = Pp / ( y*B*m*knu ) , /2

y - . 3.4 [2], knu = 1

.

:

Z7 = 34 ; y1 = 0.430

Z10 = 94 ; y2 = 0.479

:

y7[s0]u = 0.430 * 256 = 110.1 ,/2

:

y10[s0]u = 0.479 * 214 = 102.6 ,/2

.

:

Pp = P2p = K*P = 1.69 * 3390 = 5729 ,

= 3 = 40 ,

() Z3:

su = 5729 / ( 0.479 *40*3*1 ) = 99.67 /2 ,

[s0]u = 214 ,/2

su < [s0]u.

3.9.

.

, ,

-

, .

-

.

:

Z1 + Z3 = Z2 + Z4

Z5 + Z8 = Z6 + Z9 = Z7 + Z10.

20.

,

, -

.

. :

l0 = 2.1 * b + j ,

l0 - ,

b - ,

j - .

:

:

Z = 2 / m(1+i)

m - ,

- ,

i -

:

Z =Z * i

:

d = m * Z1,

d = m * Z2 ,

De = d1 + 2m ,

De = d2 + 2m ,

Di = d1 - 2.5m ,

Di = d2 - 2.5m ,

m - ,

y - .

Z2 x Z4 :

Z2 = 2 * 160 / 3*(1.3 + 1) = 46

Z4 = 46 * 1.3 = 60

d 2 = 3 * 46 = 138,

d 4 = 3 * 60 = 180 ,

De2 = 138 + 2 * 3 = 144,

De4 = 180 + 2 * 3 = 186 ,

Di 2 = 138 - 2.5 * 3 = 130.5 ,

Di4 = 180 - 2.5 * 3 = 172.5 ,

Z5 x Z8 :

Z5 = 2 * 200 / 3*(2.3 + 1) = 38

Z8 = 38 * 2.3 = 90

d 5 = 3 * 38 = 114,

d 8 = 3 * 90 = 270 ,

De5 = 114 + 2 * 3 = 120,

De8 = 270 + 2 * 3 = 276 ,

Di 5 = 114 - 2.5 * 3 = 106.5 ,

Di8 = 270 - 2.5 * 3 = 162.5 ,

Z6 x Z9 :

Z6 = 2 * 200 / 3*(2 + 1) = 42

Z9 = 46 * 2 = 86

d 6 = 3 * 42 = 126,

d 6 = 3 * 86 = 258 ,

De6 = 126 + 2 * 3 = 120,

De9 = 258 + 2 * 3 = 176 ,

Di 6 = 126 - 2.5 * 3 = 118.5 ,

Di9 = 258 - 2.5 * 3 = 150.5 ,

:

Z1 + Z3 = Z2 + Z4 = 42 + 64 = 46 + 60 = 106

Z5 + Z8 = Z6 + Z9 = Z7 + Z10 = 38 + 90 = 42 + 86 = 34 + 94 = 128

:

l1x2 = 2.1 * 32 + 12 = 79 ,

l8x9x10 = 2.1 * 40 + 12 = 96 ,

:

. 3.9.

m Z

d

Di

De

B
1 3 42 126 118.5 132 32
2 3 46 138 130.5 144 32
3 3 64 192 184.5 198 32
4 3 60 180 172.5 186 32
5 3 38 114 106.5 120 40
6 3 42 126 118.5 132 40
7 3 34 102 94.5 108 40
8 3 90 270 268.5 276 40
9 3 86 258 250.5 264 40
10 3 94 282 274.5 288 40

4. .

4.1. I - .

4.1.1.

:

d = Ö T / 0.2 * [t] ,

- , *,

[t] - , /2

[t] = 20 ... 25 /2.

d = Ö 131.6 * 103 / 0.2 * 20 = 32.4

4.1.2. .

T T = 666.1

P = 1830.2

P  

-T * 31 + Rb * 173 = 0

Rb = 666.1 * 31 / 173 = 119.35

Ra Rb Ra = 666.1 - 119.55 = 567.74

Rb = P * 31 / 173

Rb = 1830.2 * 31 / 173 = 327

Ra = 1830.2 - 327 = 1502.3

Ra Rb

4.1.3. :

A = Ö Ra2y + Ra2x ,

B = Ö Rb2y + Rb2x ,

:

A = Ö 567.742 + 1502.32 = 1606 ,

B = Ö 119.352 + 3272 = 348.1 ,

4.1.4. - 45.

es = 0.8,

b = 0.96, Ks = 1.7, s = 3.

4.1.5. .

:

Lh = 365 * 24 * L * Kr * Kc ,

L - , 8 ,

Kr - = 0.8,

Kc - = 0.33.

Lh = 365 * 24 * 8 * 0.8 * 0.33 = 18500 ,

:

Nå = 60 * Lh * n ,

n - /.

Nå = 60 * 18500 * 725 = 80475 * 104

:

KL = Ö No / NE ,

No - = 5*106

NE - :

NE = Nå * (1m * 0.2 + 0.75m *0.5 + 0.2m * 0.3) ,

m - = 8

NE = 80475*104 * (18 * 0.2 + 0.758 *0.5 + 0.28 * 0.3) = 191*106

KL = Ö 5*106 / 191*106 = 0.7 < 1 ,

KL = 1.

4.1.6. :

[s-1] = s-1 * e *b *KL / ( [s]*Ks ) , /2

s-1 -

= 432,

e - = 0.91,

b - = 0.96,

KL - = 1,

[s] - = 3,

Ks - = 1.7

[s-1] = 432 * 0.91 * 0.96 * 1 / ( 3 * 1.7 ) = 75 ,/2

4.1.7. Z1 Z2.

d = Ö / 0.1 * [s-1] ,

- = 115.3*103 .

d = Ö 115.3*103 / 0.1 * 74 = 24.9 ,

30 .

4.1.8. .

W = (p*d3 / 32) - b*t1*(d-t1)2 / 2d, 3

d - = 30

b - ,

W = (p*303 / 32) - 8*4*(30-4)2 / 2*30 = 2290, 3

4.1.9.

.

sa = M / W = 17600 / 2290 = 8, /2

4.1.10. .

Ss = s-1 * KL / ( (Ks /b*es ) *sa + ys *sm) ,

Ks - = 2.15

b - () = 0.95

es - = 0.84

sm - = 0

ys - = 0.12

Ss = 432 / ( (2.15 /0.95*0.84) * 8 + 0) = 18,

4.1.11. :

Wp = (p*d3 / 16)- b*t1*(d-t1)2 / 2d, 3

d - = 30

b - ,

Wp = (p*303 / 16)- 8 * 4 * (30-4)2 / 2*30 = 4940.9 , 3

4.1.12.

, ()

( ) -

:

t = tm = tmax / 2 = 1/2 * T / Wp = 1/2 * 131600 / 4940.9 = 13.3 /2

4.1.13. .

St = t-1 * KL / ( (Kt /b*et ) *ta + yt *tm) ,

t-1 - = 255 /2 ,

Kt - = 2.05

b - () = 0.95

et - = 0.84

yt - = 0.7

St = 255 / ( (2.05 /0.95*0.84 ) *13.3 + 0.07 * 8.12) = 7.3 ,

4.1.14. :

S = Ss * St / Ö S2s + S2t = 18 * 7.3 / Ö 182 + 7.32 = 4.8 > [s] = 2.5

4.2. I I I- .

4.2.1.

:

d = Ö T / 0.2 * [t] ,

- , *,

[t] - , /2

[t] = 20 ... 25 /2.

d = Ö 555 *103 / 0.2 * 20 = 49

4.2.2. .

T T = 1234 R = 16213

P = 3390

P   R

P * 307 + Rb * 342 - R * 382 = 0

Rb = (16213*382-3390*307) /

/ 342 = 15066.2

Ra P Rb - Ra*342-P*35+16213*40/342 =

= 2243.8

Rby = 35/342 * T = 154

Ray = 307/342 * T = 1344

:

Ra T Rb Ra - P - Pb + R = 0

2287.8 -3390 -15066.2+16213 = 0


4.2.3. :

A = Ö Ra2y + Ra2x ,

B = Ö Rb2y + Rb2x ,

:

A = Ö 15066.22 + 2243.82 = 15232 ,

B = Ö 13442 + 1542 = 1352.8 ,

4.2.4. - 45.

es = 0.8,

b = 0.96, Ks = 1.7, s = 3.

4.2.5. .

:

Lh = 365 * 24 * L * Kr * Kc ,

L - , 8 ,

Kr - = 0.8,

Kc - = 0.33.

Lh = 365 * 24 * 8 * 0.8 * 0.33 = 18500 ,

:

Nå = 60 * Lh * n ,

n - /.

Nå = 60 * 18500 * 725 = 80475 * 104

:

KL = Ö No / NE ,

No - = 5*106

NE - :

NE = Nå * (1m * 0.2 + 0.75m *0.5 + 0.2m * 0.3) ,

m - = 8

NE = 80475*104 * (18 * 0.2 + 0.758 *0.5 + 0.28 * 0.3) = 191*106

KL = Ö 5*106 / 191*106 = 0.7 < 1 ,

KL = 1.

4.2.6. :

[s-1] = s-1 * e *b *KL / ( [s]*Ks ) , /2

s-1 -

= 432,

e - = 0.91,

b - = 0.96,

KL - = 1,

[s] - = 3,

Ks - = 1.7

[s-1] = 432 * 0.91 * 0.96 * 1 / ( 3 * 1.7 ) = 75 ,/2

4.2.7. Z1 Z2.

d = Ö / 0.1 * [s-1] ,

- = 115.3*103 .

d = Ö 484.2 *103 / 0.1 * 74 = 48 ,

50 .

4.2.8. .

W = (p*d3 / 32) - b*t1*(d-t1)2 / 2d, 3

d - = 50

b - ,

W = (p*503 / 32) - 12*5*(50-5)2 / 2*50 = 11056, 3

4.2.9.

.

sa = M / W = 688846.6 / 11056 = 62.3 , /2

4.2.10. .

Ss = s-1 * KL / ( (Ks /b*es ) *sa + ys *sm) ,

Ks - = 2.15

b - () = 0.95

es - = 0.84

sm - = 0

ys - = 0.12

Ss = 432 / ( (2.15 /0.95*0.84) * 62.3 + 0) = 2.5,

4.2.11. :

Wp = (p*d3 / 16)- b*t1*(d-t1)2 / 2d, 3

d - = 50

b - ,

Wp = (p*503 / 16)- 12 * 5 * (50-5)2 / 2*50 = 23328.6 , 3

4.2.12.

, ()

( ) -

:

t = tm = tmax / 2 = 1/2 * T / Wp = 1/2 * 555600 / 23328.6 = 23 /2

4.2.13. .

St = t-1 * KL / ( (Kt /b*et ) *ta + yt *tm) ,

t-1 - = 255 /2 ,

Kt - = 2.05

b - () = 0.95

et - = 0.84

yt - = 0.7

St = 255 / ( (2.05 /0.95*0.84 ) *23 + 0.07 * 8.12) = 4.27 ,

4.2.14. :

S = Ss * St / Ö S2s + S2t = 2.5 * 4.27 / Ö 2.52 + 4.232 = 2.2

5. .

, -

8338-57.

:

C = 0.2 * ( R*Kk+m*A ) Ks * ( wh )0.3 ,

R = Rb - ;

A = Q1 - ;

m = 1.5 - ;

Ks = 1.4 - ;

Kk = 1.0 - ;

h - .

I

C = 0.2 * ( 1606*1+1.5*0 ) 1.4 * ( 76*8000 )0.3 = 24438.

305 .

I I I

C = 0.2 * ( 6900*1+1.5*0 ) 1.4 * ( 76*8000 )0.3 = 51647.

309 .

307 .

.

D , d , B , r x r
I 305 62 25 17 2 x 2
I I 307 80 35 21 2.5 x 2.5
I I I 309 100 45 25 2.5 x 2.5

. 10.

6. .

6.1. .

Ҡ 189-75

I , Æ 30, - 40, 45,

- 32 , = 130000 ,

Ҡ 189-75 :

b h t1 t2 r
8 7 4 3.3

0.08 ¸ 0.16

- [s] = 150 /2

6.2.1. .

Lp = T / (0.5 * d * k * [s] ) ,

k - = 0.4 h ,

d - ,

Lp = 130000 / (0.5 * 30 * 0.4 * 7 * 150 ) = 20 ,

.

L = Lp + b = 20 + 8 = 28 ,

.

s = / 0.5*d*Lp*k = 130000 / 0.5*30*28*2.8 = 110

( s = 110 ) < ( [scv] =150 )

: 8x7x28 189-75

I I I, Æ 50, - 40, 45,

- 60 , = 555000 ,

Ҡ 189-75 :

b h t1 t2 r
12 8 4 3.5

0.16 ¸ 0.25

- [s] = 150 /2

6.2.2. .

Lp = 555000 / (0.5 * 50 * 0.4 * 8 * 150 ) = 46 ,

.

L = Lp + b = 46 + 12 = 58 ,

.

s = / 0.5*d*Lp*k = 555000 / 0.5*50*58*3.2 = 119.6

( s = 119.6 ) < ( [scv] =150 )

: 12x8x58 189-75

, Æ 42, 45, -

= 130000 , Ҡ 189-75 -

:

b h t1 t2 r
12 8 5 3.3 0.25¸0.4

- [s] = 150 /2

6.2.3. .

Lp = 555000 / (0.5 * 42 * 0.4 * 8 * 150 ) = 55 ,

.

L = Lp + b = 55 + 12 = 67 ,

.

s = / 0.5*d*Lp*k = 555000 / 0.5* 42 * 67 * 3.2 = 123

( s = 123) < ( [scv] =150 )

: 12x8x67 189-75

, Æ28 , 45, -

= 130000 , Ҡ 189-75 -

:

b h t1 t2 r
8 7 4 3.3 0.16¸0.25

- [s] = 150 /2

6.2.3. .

Lp = 130000 / (0.5 * 30 * 0.4 * 7 * 150 ) = 20 ,

.

L = Lp + b = 20 + 8 = 28 ,

.

s = / 0.5*d*Lp*k = 130000 / 0.5*30*28*2.8 = 110

( s = 110 ) < ( [scv] =150 )

: 8x7x28 189-75

6.3. .

I I I- = 40, : ZxdxD = 8x36x40 ,

,

SF = 182 3/. . 5.5 [2]

dm :

dm = 0.5*(D+d) = 0.5*(36+40) = 38 ,

6.3.1. :

s = T / SF * l,

l - ,

s = 195700 / 182 * 144 = 7.8

6.3.2. :

:

l / D = 144 / 40 = 3.6

e = e / l + (0.5 / l) * tgb * cos aw ,

b = 0 aw = 20.

e = 41 / 144 + (0.5 / 144) * 0.94 = 0.3

y = dm / (dw * cosaw) = 38 / 106*0.94 = 0.38

. 5.8 [2] K = 1.8 . 5.12 [2] -

= 1.5, -

:

= + -1 = 1.8 + 1.5 -1 = 2.3

. 5.7. [2]. = 1.8, = 1.4. t -

= 1 :

= * * = 1.8 * 2.3 * 1 = 4.14

= * = 1.4 * 2.3 = 3.22

6.3.3. :

s = 550 /2 S = 1.25 (. 87 [2] )

[s] = s / (S * * L) ,

[s] = 550 / (1.25 * 4.14 *0.43) = 247.16,

L = * N = 0.57 * 0.8 = 0.43

= 0.57 (. 5.9 [2])

N = Ö60*Lh*n / No ,

Lh - = 15*103 .

n - = 484 /

N = Ö 60*15*103*484 / 108 = 0.8,

6.3.4. ,

(s = 7.8) < ([s] = 247)

6.3.5. .

[s] = [s] / ( * L * ) /2,

[s] = 110 /2 . 5.6. [2]

= * ,

= 1, ( )

= 1.25, .

= 1 * 1.25 = 1.25

[s] = 110 / (3.22 * 0.44 * 1.25) = 63 /2

(s = 7.8) < ([s] = 63)

7. .

.

, . -

, .

45 ; 45 45 .


8. .

. -

, .

, ,

.

,

.

0.3

12.5 /. -

. ,

.

.

-20

17 ... 23 * 10-6 2/.

9. .

, ,

, 1. -

Z1 Z2 Z2 Z1. -

-

Z3 , Z4.

,

, -

: - . -

.

Z5 Z6 Z7

, ,

Z8 Z9 Z10 ,

6-

P x P = 2 x 3.

() , , -

, , -

.

-.

, -

, .

, - , -

- .

I I I I - , -

.

, -

. -

-

.

10. . 8338 - 75.

8338 - 75 *

( 3795-82)

Single row radial ball bearings.

Boundary dimensions. 8338 - 57

46 1200

-

. 3795-82

1. -

.

B B - ,

r x 45 D -

4 蠠 

,

d -

,

r -

,

-

1, 0 d = 50 , D = 80 B = 16

110 8338-75

2.     520 - 71

3.    

3325-55

4.     (0) ()

.

.

1. .. . .

-.: , 1970.

2. . . / ..

-.: , 1981.

3. .. .. .

-.: , 1985.

4. .. . -.: , 1975.


2012 , .