I. Elektrodvigatel tanlash va yuritmaning kinematik xisobi

6) G’ildiraklarni botuvchi diametri formulasi
d₁=z₁* =58
d₂=z₂* =128* =262
a_w= = =160

Tishli g’ildiraklarning aylana tezligi;

v:= v:=155,8 v:=4 ,5 da
Aniqlik darajasini 9 deb qabulqilamiz.

7.Tishga ta’sir etuvchi kuchlar .
Aylana kuch formulasi:
2
Radial kuch:
tg 0.3640, 0.25
F_n= 0.27

6.G’ildirak tishlari kontakt kuchlanish bo’yicha tekshirish
:= =1.284
yuklamaning tishlararo taqsimlanishini xisobga oluvchi koeffitsiyent,
tishli g’ildirak gardishi bo’yicha yuklamaning notekis taqsimlanishini xisoga oluvchi koeffitsiyent,
dinamik koeffitsiyent,deb qabul qilamiz GOST 1643-81 bo’yicha

=12.26
b₂=0.36*160=57.6


G’ildirak tishlarini eguvchi kuchlanish buyicha tekshirish

=0.0066
yuklanish koeffitsiyenti.
tish uzunligi bo’yicha yuklamaning notekis taqsimlanishini xisobga oluvchi koeffitsiyent ,
1.38 -yuklamaning dinamik ta’sirini xisobga oluvchi koeffitsiyenti, GOST 21354-75.
-tish shaklini xisobga oluvchi koeffitsiyent,=3.6
Tasmali uzatmalarning hisoblash
D₁=6* =6* =17.3
D₂=D₁*i_tas*(1* )=40*4*(1-0.01)=158.4

i=

a=2*(D₁+D₂)=2*(40+158.4)=396.8
a =180-160* =36

Tasmaning uzunligi, mm

mm

^Tasmaning tezligi, m/s min^-1
mm/s m/s

Aylana kuch, N

N

Qamrov burchagi koiffiyitsenti

Cα=1-0.003 ) Cα=0.65
Tasma tezligi ta`sirini hisobga oluvchi koiffiyitsenti

Qistirma enining 1 mm ga ruxsat etilgan ishchi yuklama

Cθ N/m

Tasmaning eni,

Btas=0.014 mm
GOST bo`yicha Btas=20 mm deb qabul qilamiz.
Tasmaning dastlabki tarangligi, N
MPa,
N

Tasma tarmoqlanadigan kuchlanishlar, N

Yetaklovchinikida
Ftas1= Ftas1=180 N

Yetaklanuvchinikida

Ftas2= Ftas2=180 N.

Ftas1tasiridakuchlanish, MPa

MPa.