qisqa rejimda ishlovchi mexanizm uchun dvigatel quvvatini hisoblash va tanlash

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amaliy mashg‘ulot № 22 mavzu: qisqa rejimda ishlovchi mexanizm uchun dvigatel quvvatini hisoblash va tanlash. 1. ishdan maqsad: ishchi mexanizmning yuklanish diagrammasi ic = f(t) bo‘yicha dvigatel quvvatini hisoblashni o‘rganish va katalogdan dvigatel tanlashni bilish. 1. topshiriq: qisqa rejimda ishlovchi mexanizmining yuklanish diagrammasi (22.1 – jadval) bo‘yicha dvigatel quvvatini hisoblang va katalogdan dvigatel quvvatini tanlang. ic, a ωm = rad/sek t, sek un = v 22.1 – jadval: mexanizmning yuklanish diagrammasi ic = f(t) kattaliklarini o‘z variantingiz uchun 22.2 – jadvaldan oling. 1. ishni bajarish tartibi: 0. qisqa rejimda ishlovchi mexanizmining yuklanish diagrammasi ic = f(t) ni quring i, a 900 i3 i1 i2 800 700 1. 600 1. 500 1. 1. 400 1. 300 1. 200 1. 1. 100 t, sek t, sek 20 15 90 2. yuklanish diagrammasi bo‘yicha ekvivalent tokni hisoblaymiz. = ; bu erda, k3 = 1,1÷1,3 yuklanish diagrammani notekisligini hisobga oluvchi koyeffitsiyent. 3. mexanizmni static …

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exanizmining yuklanish diagrammasi (22.1 – jadval) bo‘yicha dvigatel quvvatini hisoblang va katalogdan dvigatel quvvatini tanlang. 22.1 – jadval: mexanizmning yuklanish diagrammasi i c = f(t) kattaliklarini o‘z variantingiz uchun 22.2 – jadvaldan oling. iii. ishni bajarish tartibi: 1. qisqa rejimda ishlovchi mexanizmining yuklanish diagrammasi i c = f(t) ni quring iv. v. vi. vii. viii. ix. x. xi. 20 15 90 2. yuklanish diagrammasi bo‘yicha ekvivalent tokni hisoblaymiz. ?? ??.???? = ?? 3 ?? 1 2 ?? 1 +?? 2 2 ?? 2 +?? 3 2 ?? 3 ?? 1 +?? 2 +?? 3 ; bu erda, k 3 = 1,1÷1,3 yuklanish diagrammani notekisligini hisobga oluvchi koyeffitsiyent. i c , a ω m = rad/sek t, sek u n = v t, sek i, a t, sek 100 200 300 400 500 600 700 800 900 i 1 i 2 i 3

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amaliy mashg‘ulot № 22 mavzu: qisqa rejimda ishlovchi mexanizm uchun dvigatel quvvatini hisoblash va tanlash. 1. ishdan maqsad: ishchi mexanizmning yuklanish diagrammasi ic = f(t) bo‘yicha dvigatel quvvatini hisoblashni o‘rganish va katalogdan dvigatel tanlashni bilish. 1. topshiriq: qisqa rejimda ishlovchi mexanizmining yuklanish diagrammasi (22.1 – jadval) bo‘yicha dvigatel quvvatini hisoblang va katalogdan dvigatel quvvatini tanlang. ic, a ωm = rad/sek t, sek un = v 22.1 – jadval: mexanizmning yuklanish diagrammasi ic = f(t) kattaliklarini o‘z variantingiz uchun 22.2 – jadvaldan oling. 1. ishni bajarish tartibi: 0. qisqa rejimda ishlovchi mexanizmining yuklanish diagrammasi ic = f(t) ni quring i, a 900 i3 i1 i2 800 700 1. 600 1. 500 1. 1. 400 1. 300 1. 200 1. 1. 100 …

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