... n1n1.1n1.2n1.3n1.4n1. 5 n1.6n1.7n1.8n1.9n1.10n1.11n1.12n1.13n1.14n1. 15 n1.16n1.17n1.18n1.19n1.20n1.2112 .5 15, 5719, 85 25, 0131 ,51 39,7 50 ,0263,0279,41100,1126,07 158 , 85 200, 15 252 ,19317,76400,38 50 4,476 35, 64800,91009,141271 ,5 1602,112018, 65 12 .5 1620 25 31 ,5 40 50 63801001 25 160200 250 3 15 400 50 063080010001 250 1600200042x3x2x2I ... n1n1.1n1.2n1.3n1.4n1. 5 n1.6n1.7n1.8n1.9n1.10n1.11n1.12n1.13n1.14n1. 15 n1.16n1.17n1.18n1.19n1.20n1.2112 .5 15, 5719, 85 25, 0131 ,51 39,7 50 ,0263,0279,41100,1126,07 158 , 85 200, 15 252 ,19317,76400,38 50 4,476 35, 64800,91009,141271 ,5 1602,112018, 65 12 .5 1620 25 31 ,5 40 50 63801001 25 160200 250 3 15 400 50 063080010001 250 1600200042x3x2x2I ... [1] 15 2x3x2x2III IV I II[4] [8] [1] [2]212x3x2x2IV III I II[12] [4] [1] [2] Ch-ơng 3 Thiết kế máy mớiI -thiết lập chuỗi số vòng quay Mấy tiện ren vít vạn năng T620 z=23 nmin = 12,5...