R. X. Maksudov
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R. X. Maksudov
Рг
= 3.67кВт, n 3 = 1430мин-1, b o i g a n d a tasm aning A turini tanlaymiz. 6.14-rasm. b) Y arim ponasim on tasm alar Рг = 3.67кВт, nz = 1430МИН-1 , b o i g a n d a tasm aning К turini tanlaymiz, 6.15-rasm. v) Ensiz ponasimon tasmalar. Рг = 3.67кВт, 4j = 1430мин A, boMganda tasm aning SPZ turini tanlaym iz, 6.16-rasm. 2. Yetaklovchi shkiv diametri d! ni tanlaymiz. a) N o rm al kesimli (A) tasm alar uchun jad v ald an Tt qiym atiga nisbatan di ni tanlaymiz, bunda r, = 11 - 70 Hmm b o i g a n d a d 1= 90m m . b) Y arim ponasim on (K) tasm a uchun ja d v ald v n ham da uzatilayotgan quvvatga P1 hamda n aga nisbatan tanlanadi ? X = C?P kVt, bunda: Cp = l . l ish rejimini hisobga oluvchi koeffitsiyent qiymati ja d v a ld a n olinadi. F 1 = 1.1 • 3.67 = 4.037kVt P 1 = 4 . 0 3 7 k V t , щ = 1430мин-1, b o ‘lganda d 1=90m m . v) Ensiz ponasim on tasm alar uchun jad v ald an tasm aning (SPZ) turiga h a m d a uzatilayotgan Г2 m om entga nisbatan tanlanadi. T asm an in g turi SPZ, Тг< \ 50N m b o i g a n d a d i= 6 3 m m . 3. Tasm alarni tezligi a) N o rm al kesimli ponasim on tasm alar uchun 17 _7T -d1 n 1 _ Я.14 * 0 .0 9 -1 4 3 0 _ £ n M / у — — (3 / j r 1 60 60 7 L b) Y arim ponasim on kesimli tasm alar uchun j r t - f i j r , _ Я .'4 - 0 .0 » 1 4 3 0 _ ^ M 1 6 0 6 0 / c v) Ensiz ponasim on tasm alar uchun у _ n d 1n 1 _ 3 .1 4 -0 .0 6 3 - 1 4 3 0 — ^ М / ’ 1 6 0 _ 6Q ~~ 4. Yetaklanuvchi shkiv diametri a) N orm al kesimli tasm alar uchun d 2 Download 5.58 Mb. Do'stlaringiz bilan baham: |
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