|
Ilova 4
Bir qatorli sharikli radial podshipnik (GOST 8338-75) o’lchamlari, mm
|
Podshipnik belgisi
|
d
|
D
|
B
|
r
|
Dinamik yuk
ko’taruvchanligi C, kN
|
Statik yuk
ko’taruvchanligi C0, kN
|
|
|
|
Engil seriya
|
|
206
|
30
|
62
|
16
|
1,5
|
19,2
|
10,0
|
207
|
35
|
72
|
17
|
2
|
25,5
|
13,7
|
208
|
40
|
80
|
18
|
2
|
25,1
|
17,8
|
209
|
45
|
85
|
19
|
2
|
25,2
|
17,8
|
210
|
50
|
90
|
20
|
2
|
27
|
19,7
|
211
|
55
|
95
|
21
|
2,5
|
33,3
|
25,0
|
212
|
60
|
100
|
22
|
2,5
|
40,3
|
30,9
|
|
|
|
O’rta seriya
|
|
306
|
30
|
80
|
21
|
2,5
|
41,0
|
22,4
|
307
|
35
|
90
|
23
|
2,5
|
52,0
|
30,0
|
308
|
40
|
90
|
23
|
2,5
|
31,3
|
26,2
|
309
|
45
|
100
|
25
|
2,5
|
37,1
|
35,6
|
310
|
50
|
110
|
27
|
3
|
47,6
|
41,8
|
311
|
55
|
120
|
29
|
3
|
54,9
|
48,4
|
312
|
60
|
130
|
31
|
3,5
|
62,9
|
155,6
|
|
|
|
Og’ir seriya
|
|
406
|
30
|
90
|
23
|
2,5
|
47,0
|
26,7
|
407
|
35
|
100
|
25
|
2,5
|
55,3
|
31,6
|
408
|
40
|
110
|
27
|
3
|
49,3
|
36,3
|
409
|
45
|
120
|
29
|
3
|
59,2
|
45,5
|
410
|
50
|
130
|
31
|
3,5
|
67,2
|
53
|
411
|
55
|
140
|
33
|
3,5
|
77,2
|
62,5
|
412
|
60
|
150
|
35
|
3,5
|
83,9
|
70,0
|
Ilova 5
Prizmatik shponkaninig o’lchamlari (GOST 23360-78)
|
Valning diametri d
|
Shponkaning kesimi b×h
|
O’yiqchaning chuqurligi
|
Faska S×450
|
t1 - val uchun
|
t2 - teshik uchun
|
10÷12
|
4×4
|
2,5
|
1,8
|
0,08 – 0,16
|
12÷17
|
5×5
|
3,0
|
2,3
|
0,16 – 0,25
|
17÷22
|
6×6
|
3,5
|
2,8
|
22÷30
|
8×7
|
4,0
|
3,3
|
30÷38
|
10×8
|
5,0
|
3,3
|
0,25 – 0,40
|
38÷44
|
12×8
|
5,0
|
3,3
|
44÷50
|
14×9
|
5,5
|
3,8
|
50÷58
|
16×10
|
6,0
|
4,3
|
58÷
|
18×11
|
7,0
|
4,4
|
÷75
|
20×12
|
7,5
|
4,9
|
0,40 – 0,60
|
75÷85
|
22×14
|
9,0
|
5,4
|
85÷95
|
25×14
|
9,0
|
5,4
|
95÷110
|
28×16
|
10,0
|
6,4
|
ESLATMA: 1. Shponka uzunligi l quyidagi qatordan tanlanadi:
6; 8; 10; 12; 14; 16; 18; 20; 25; 28; 32; 36; 40; 45; 50; 56; 63; 70; 80; 90; 100; 110; 125; 140; 160; 180; 200; 220; 240; 260; 280; 300; 320; 340;
…500.
2. Masalan, shponkaning kesimi b×h=16×10 va uzunligi 125 mm bo’lsa, u holda shponkani shartli belgilash quyidagicha bo’ladi:
Shponka 16×10×125 GOST23360-78
|
Ilova 6 Tishli uzatmalarni moylash uchun 500 S haroratda moylarning tavsiya etilgan qovushqoqlik qiymatlari
Kontakt kuchlanish
H MPa
|
Aylanma tezlik v m/s ko’ra, kinematik qovushqoqlik 10-6 m2/s qiymatlari
|
2 m/s gacha
|
2÷5 m/s
|
5 m/s dan yuqori
|
600 gacha
|
34
|
28
|
22
|
600÷1000
|
60
|
50
|
40
|
1000÷1200
|
70
|
60
|
50
|
Tishli va chervyakli uzatmalarni moylash uchun moy turlari
Moy turi
|
Markasi
|
Kinematik qovushqoqlik 10-6 m2/s
|
Industrial
|
I-12A
I-20A
I-25A
I-30A
I-40A
I-50A
I-70A
I-100A
|
10-14
17-23
24-27
28-33
35-45
47-55
-75
90-118
|
500 S haroratda
|
Aviatsion
|
MS-14
MS-22
MS-20
|
14
22
20,5
|
1000 S haroratda
|
Silindrsimon
|
52
|
44-59
|
1000 S haroratda
|
Adabiyotlar
S.A.Chernavskiy va boshqalar., “Kursovoe proektirovanie detaley mashin”, M., «Mashinostroenie», 1988 gg.
M.N.Ivanov, «Detali mashin. Kursovoe proektirovanie», M., «Visshaya shkola», VUD., 1975 gg.
I.Sulaymonov, “Mashina detallari”, T., “O’qituvchi” nashriyoti, 1981 yil.
P.F. Dunayev, “Detali mashin. Kursovoe proektirovanie”, M.,
«Visshaya shkola», 1990 gg.
D.N.Reshetov, “Detali mashin”, M., 1989 gg.
N.S. Bibutov, “Amaliy mexanika”, Yangiyo’l shahri, “Yangiyo’l poligrafiya servis”, 2008 yil.
S.Nosirov, “Mashina detallari fanidan kurs loyihasini bajarish”, T.,
“Yangi asr avlodi”, 2008 yil.
Mundarija
I. Tishli uzatmalar ....................................................................................................... 3
1.1. Umumiy ma’lumotlar ..................................................................................... 3
1.2. To’g’ri tishli silindrik g’ildirak tishlarini kontakt kuchlanish bo’yicha
hisoblash ........................................................................................................ 5
1.3. Loyiha hisobi ketma-ketligi .......................................................................... 10
1.4. Silindrik g’ildirak tishlarini egilishdagi chidamlilikka
hisoblash ........................................................................................................ 15
1.5. Qiya va shevron tishli uzatmalar hisobini o’ziga xos xususiyatlari ............. 19 II. Mashina detallari bo’limi bo’yicha kurs loyihalash ishini
bajarish namunasi ................................................................................................. 21
2.1. Loyihalanayotgan yuritmaning asosiy ko’rsatkichlarini aniqlash .................... 22
2.1.1. Yuritmaning kinematik hisobi .................................................................... 22
2.1.2. Yuritma uchun elektrodvigatel tanlash ...................................................... 23
2.2. Silindrik reduktor va mexanik uzatmalar hisobi .......................................... 24
2.2.1. Reduktor tishli g’ildiraklarining hisobi .................................................... 24
2.2.2. Shesternya va tishli g’ildirakni asosiy geometrik
o’lchamlarini aniqlash .............................................................................. 26
2.2.3. Reduktor vallarini taqribiy hisobi ............................................................ 28
2.2.4. Dumalash podshipniklarini dastlabki tanlash .......................................... 29
2.2.5. Shesternya va tishli g’ildirakni konstruktiv o’lchamlari .......................... 29
2.2.6. Reduktor korpusini konstruktiv o’lchamlari ............................................ 30
2.3. Ponasimon tasmali uzatma hisobi ............................................................... 30
2.4. Reduktor detallarini joylashtirishni birinchi bosqichi ................................. 33
2.5. Podshipniklarni ishga layoqatligini tekshirish ............................................ 33
2.6. Reduktor detallarini joylashtirishning ikkinchi bosqichi ............................ 38
2.7. Shponkali birikmalarni mustahkamlikka hisoblash ................................... 38
2.8. Vallarni aniqlashtirilgan hisobi .................................................................... 39 2.9. Silindrik reduktorni yig’ish va ishlatish jarayonida kerak
bo’ladigan moylash materiallari tanlash ..................................................... 43 2.9.1. Reduktor uchun moylash materiallari ....................................................... 43
2.9.2. Reduktorni yig’ish ..................................................................................... 43
Ilovalar ...................................................................................................................... 45
Adabiyotlar ............................................................................................................... 52
Mundarija .................................................................................................................. 53
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