5 Tính ñöôøng kính ñóa xích theo coâng thöùc 71 6 Tính löïc taùc duïng leân

5 tính ñöôøng kính ñóa xích theo coâng

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5. Tính ñöôøng kính ñóa xích theo coâng thöùc (7.1). 6. Tính löïc taùc duïng leân truïc theo (7.22).
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Giaùo Trình CÔ HOÏC ÖÙNG DUÏNG CHÖÔNG 7. TRUYEÀN ÑOÄNG XÍCH 156 Baûng 7.4 Trò soá coâng suaát cho pheùp [N] kw cuûa boä truyeàn xích (vôùi Z o1 = 25) Böôùc xích t, mm Dieän tích baûn leà xích F, mm 2 Tieâu chuaån Lieân Xoâ Γ OCT Soá voøng quay cuûa ñóa daãn n o1 , voøng /phuùt Xích oáng con laên (moät daây) 12,7 22,0 3609-52 0,21 0,75 1,38 1,90 2,30 2,68 3,02 3,54 12,7 38,7 3609-52 0,35 1,27 2,32 3,14 3,90 4,50 5,06 5,96 12,7 50,4 3609-52 0,46 1,65 3,02 4,14 5,08 5,90 6,65 7,75 15,875 52,5 3609-52 0,60 2,14 3,94 5,35 6,62 7,70 8,60 10,0 15,875 67,5 3609-52 0,77 2,76 5,05 6,90 8,45 9,80 11,0 13,0 19,05 113,5 2599-50 1,55 5,30 9,25 12,4 14,9 16,8 18,7 21,2 20 103 586-41 1,48 5,05 8,85 11,8 14,2 16,1 17,7 20,2 25 197,5 586-41 3,54 12,1 21,2 28,3 34,1 38,4 42,5 48,2 25,4 214 2599-50 3,90 13,4 23,2 31,2 37,3 42,4 46,6 53,5 30 275 586-41 5,90 19,4 32,8 42,5 49,8 56,2 60,5 - 35 336 586-41 8,45 27,7 46,5 61,0 71,5 80,0 86,5 - 38 252 2599-50 6,85 22,4 38,0 49,5 58,3 65,3 70,5 - 40 403 586-41 11,60 34,4 55,5 69,4 78,5 - - - 45 504 586-41 16,20 48,5 78,2 98,0 11,5 - - - Xích raêng chieàu roäng b = 10 mm 12,7 26,2 - 0,13 0,49 0,88 1,23 1,53 1,8 1,97 2,28 15,78 29,6 - 0,19 0,69 1,25 1,72 2,15 2,52 2,76 3,20 19,05 37,2 - 0,28 0,98 1,74 2,30 2,79 3,20 3,50 4,00 25,4 44,8 - 0,46 1,59 2,79 3,70 4,52 5,12 5,60 6,40
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Giaùo Trình CÔ HOÏC ÖÙNG DUÏNG CHÖÔNG 7. TRUYEÀN ÑOÄNG XÍCH 157 Baûng 7.5 Trò soá lôùn nhaát cuûa böôùc xích vaø soá voøng quay giôùi haïn cuûa ñóa daãn Böôùc xích t, mm 12 (12,7) 15 (15,87) 20 (19,05) 25 (25,4) 30 (31,75) 35 40 (38,1) 45 (44,45) 50 (50,8) Soá raêng ñóa xích nhoû Soá voøng quay trong moät phuùt n 1 , voøng/phuùt Xích oáng con laên 15 2300 1900 1350 1150 1000 800 750 650 600 19 2400 2000 1450 1200 1050 850 800 700 650 23 2500 2100 1500 1250 1100 900 800 750 650 30 2600 2200 1550 1300 1100 900 850 750 700 Xích raêng 17 ÷ 35 3300 2650 2200 1650 1300 - - - -
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Giaùo Trình CÔ HOÏC ÖÙNG DUÏNG CHÖÔNG 7. TRUYEÀN ÑOÄNG XÍCH 158
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