ikki pog’onali kopressor mexanizmlarini o’rganish va ularni loyihalash

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1665263374.doc 3 ababo vvv += rrr 21 32, wnpp =×-×- max' 1 15 153,3/5000,05 2 or sv oam n × ===×= 0,05/400,00125 () l oamm oamm m éù === êú ëû ( ) 2 2 0,035/0,0012528 l as asmm m === ( ) 0,14/0,00125112 l ab abmm m === 21 32332401 wnpp =×-×-=×-×-= 1 1 3,14500/3052,3 30 n p w × ==×= 1 1 52,30,052,6/ aoa vlms w =×=×= 3 0 o v = r 3 ababo vvv += rrr ( ) / 2,6/500,052 a v v ms pamm m === a v 68,50,0523,56 m c ×= 1760,0529,15 m c ×= 1600,0528,32 m c ×= 2 m c n bababa aaaa t =++ rrrr 333 n bobobo aaaa t =++ rrrr 3 0 o a = r 33 nn abababobo aaaaa tt ++=+ rrrrr 33 133 //;//;;//; nn abababobo aoaabaabaaboabo tt ^^ rrrrr ( ) 137/502,74 a a a a …

mm m == 1 1 ()53,7; f f l r rmm m == 21 2 ()68,75. f f l r rmm m == 1 1 ()56,38; a b l r rmm m == 2 2 ()70,48; a b l r rmm m == 1 3,32,10 n ¢¢¢¢ --- 1,2 ¢¢ , 2 , 1 1 1 ¢ ¢ o o 58 1,16 50 w dd p a e ¢ === (3) 3 1 1,1,3 1 11 н н н z uu z w w ==-=+ 2 12 2 180 sin o z kzz æö + ç÷ + èø f 13 () zz c k + = (3) 311, (1)20(5,41)88 н zzu =-=-= 31 2 39 2 zz z - == 2 12 180 4, 2 arcsin o k z zz £= + + 13 31 zz c k + == () sf f = () f bf = 15/500,3 m …

lar uchun sanoq boshi sifatida 3-porshenning chap tomondagt eng chetki nuqtasiga mos keluvchi mexanizm holati olinsin. 1, 2 va 3 – bo’g’inlarning og’irlik markazlari mos ravishda o1, s2 va v nuqtalarda joylashgan. as2= 0,25 av barcha variantlar uchun: 1. kulachokli mexanizm uchun bosim burchagi -(=450, 2. dvigatel rotorining aylanishlar soni – 1400 ayl./min. 3. 1- bosqichdagi eng katta bosim – 0,2 mpa, 4. harakatlantiruvchi kuch momentining qiymati o’zgarmas kattalik. 4 – shakl. ikki pog’onali kompressor mexanizmlari a – porshenli kompressor richakli mexanizmining sxemasi, b – kompressordagi qisilgan havoning indikator diagrammasi, v – mashina agregatining sxemasi, g – planetar mexanizm sxemasi, d – koromislo tezlanishining parabola ko’rinishidagi harakat konuni,ye – kulochokli mexanizm sxemasi. kompressorning indikator diagrammasini qurish uchun dastlabki ma’lumotlar qiymatlar nisbati birinchi bosqich ikkinchi bosqich qisish haydash qisish haydash s/smax 0 0,3 0,6 1 0,9 0,8 1 0,6 0,45 0 0,1 0,16 p/pmax 0 0,1 0,3 0,3 0,1 0 0,3 …

a nisbatan inersiya momentlari is1 is2 kg· m2 kg· m2 0,12 0,06 0,11 0,08 0,10 0,05 0,08 0,04 0,07 0,07 0,06 0,08 0.09 0,04 0,11 0,03 0,10 0,05 0,07 0.07 11 ikkinchi bosqichda silindrdagi maksimal bosim fii(max) mpa 0,37 0,40 0,44 0,48 0,52 0,54 0,58 0,62 0,64 0,68 12 kuchlar bo’yicha hisob lashuchun mexanizm holatining nomeri - - 1 2 3 4 5 7 8 9 10 11 13 mexanizm xarakatining notekislik koeffisiyenti δ - 1,85 1,80 1,90 1,85 1,80 1,90 1,90 1,80 1.90 1,60 14 kulochokli mexanizmda kulochokning eng katta tebranish burchagi ( grad 15 12 18 14 16 13 15 14 17 18 koromisloning uzunligi l m 0,15 0,18 0,14 0,2 0,2 0,22 0,17 0,14 0,12 0,2 15 o’zoqlashish fazasi -φu grad 90 120 150 60 75 90 120 120 60 75 16 yaqinlashish fazasi -φut grad 15 30 10 30 30 20 15 30 20 20 17 …

irgi zamon fan va texnikasida bo'lmasa kerak. mamlakatimizning farovonligi, uning ertangi kunga bo'lgan ishonchi ko'p jihatdan shu masalaning to'g'ri hal etilishiga bog'liq. hozirgi zamon texnikasida ko'plab yechilishi, hal etilishi kerak bo'lgan masalalar o'z yechimini topganicha yo'q. bunday murakkab masalalarni to'g'ri hal etish uchun ming-minglab olim, professsor o'qituvchilar, injener-konstruktorlar fikrini to'g'ri yo'naltirish kerak. bu masalada kelajakni ilmiy ko'ra bilish, texnika progressi chegaralariga aniqlik kiritish juda ham katta ahamiyat kasb etadi. kelajak taraqqiyotini ilmiy asosda yaratilgan texnikasiz, ya'ni mexanizm va mashinasiz tasavvur etib bo'lmaydi, modomiki, shunday ekan, mashina va mexanizmning ilmiy asosini o'rgatuvchi fanga e'tiborni kuchaytirish lozim. «mashina va mexanizmlar nazariyasi» fanining maqsadi -talabalarga hozirgi zamon talablariga mos mashinalar, qurilmalar, asboblar, avtomatik tizimlar va komplekslarni yaratish uchun amaliyot tomonidan qo'yilgan talablarga muvofiq keluvchi mexanizmlarning eng maqbul sxemalari va parametrlarini tadqiq qilish va loyihalash uchun zarur bilimlar, o'quv va ko'nikmalar xosil qilishdan iborat. fanning asosiy vazifasi shundan iboratke xalq xo'jaligida ishlatiladigan turli mashina …

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1665263374.doc 3 ababo vvv += rrr 21 32, wnpp =×-×- max' 1 15 153,3/5000,05 2 or sv oam n × ===×= 0,05/400,00125 () l oamm oamm m éù === êú ëû ( ) 2 2 0,035/0,0012528 l as asmm m === ( ) 0,14/0,00125112 l ab abmm m === 21 32332401 wnpp =×-×-=×-×-= 1 1 3,14500/3052,3 30 n p w × ==×= 1 1 52,30,052,6/ aoa vlms w =×=×= 3 0 o v = r 3 ababo vvv += rrr ( ) / 2,6/500,052 a v v ms pamm m === a v 68,50,0523,56 m c ×= 1760,0529,15 m c ×= 1600,0528,32 m c ×= 2 m c n bababa aaaa t =++ rrrr 333 n bobobo aaaa t =++ …

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