Fy | R21 | G1 | Fu1 |
2164,31 | 2160 | 9,8 | 12,1 |
ab | bc | cd | de |
108 | 108 | 0,49 | 0,6 |
Òàáëèöà 3 |
4.ÊÈÍÅÌÅÒÈ×ÅÑÊÈÉ ÐÀÑ×ÅÒ ÏÐÈÂÎÄÀ Èñõîäíûå äàííûå: N=0.924 êÂò ω =12ñ−1 Ïîäáîð ýëåêòðîäâèãàòåëÿ: 4.1 ×àñòîòà âðàùåíèÿ âàëà èñïîëíèòåëüíîãî ìåõàíèçìà: n îá/ìèí;i =iðì ⋅içï = (2÷5) (⋅ 8÷40) = (16÷200);nîá =114,59⋅(16÷200) (= 1834÷22929);4.2 Îáùèé êîýôôèöèåíò ïîëåçíîãî äåéñòâèÿ ïðèâîäà η = η çï ⋅η ïê2 ⋅η ðï =0,85⋅0,992 ⋅0,95 =0,791;ηïê=0.99 – ê.ï.ä. ïàðû ïîäøèïíèêîâ êà÷åíèÿ; η÷ï=0.85 – ê.ï.ä. ÷åðâÿ÷íîé ïåðåäà÷è; ηïñ=0.95 – ê.ï.ä. ðåìåííîé ïåðåäà÷è. 4.3 Ïîòðåáíàÿ ìîùíîñòü ýëåêòðîäâèãàòåëÿ Näâ. = N = 0,924=1,167êÂò; η 0,7914.4 Ïåðåäàòî÷íîå ÷èñëî ïðèâîäà Uîáù. = níîì. = 2880 =25,13;n3 114,594.5 Ïåðåäàòî÷íîå ÷èñëî ðåìåííîé ïåðåäà÷è i iðì = îáù. = 25,13 =2,513içï 10 Z=4, òî U÷åðâ=10 Òàáëèöà 4.1 |
Îïðåäåëåíèå êèíåìàòè÷åñêèõ è ñèëîâûõ ïàðàìåòðîâ ïðèâîäà.