●节距直径系数和外径系数清单 (mm) 齿数系数 1/[sin(180/N)]系数 0.6+cot(180/N)齿数系数 1/[sin(180/N)]系数 016+cot(180/N)齿数系数 1/[sin(180/N)]系数 0.6+cot(180/N)11 12 13 14 15 16 17 18 19 20 2l 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 503.5495 3.8637 4.1786 4.4940 4.8097 5.1258 5.4422 5.7588 6.0755 6.3925 6.7095 7.0267 7.3439 7.6613 7.9787 8.2962 8.6138 8.9314 9.2491 9.5668 9.8845 10.2023 10.5201 10.8380 11.1558 11.4737 11.7916 12.1096 12.4275 12.7455 13.0635 13.3815 13.6995 14.0175 14.3356 14.6536 14.9717 15.2898 15.6079 15.92604.