Yetaklanuvchi val.
1) O‘rnatiladigan yarim mufta MUVP (S420) uchun: dv2=45 mm; shponka , t1=5,5, l=100 mm, bo‘ladi (ilova 5).
2) Tishli g‘ildirak o‘rnatish uchun dkg=55 mm, shponka t1=6mm, l=50 mm, (material po‘lat 45) (ilova 5).
.
Demak, mustahkamlik sharti bajarildi.
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
|
Yengil 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÷65
|
18×11
|
7,0
|
4,4
|
65÷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 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
65-75
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
|
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