圆柱直齿渐开线花键（米制模数齿侧配合）　第4部分：45°压力角尺寸表

圆柱直齿渐开线花键（米制模数齿侧配合）　第4部分：45°压力角尺寸表

国家标准 GB/T3478.4一2008 代替GB/T3478.4一1995 圆柱直齿渐开线花键 米制模数齿侧配合 第4部分:45°压力角尺寸表 StraightcylindricalinvolutesplinesMetricmodule,sidefit Part4:45°pressureangledimmensionstables 2008-09-22发布 2009-05-01实施 国家质量监督检验检疫总局 发布 国家标准化管蹬委员会国家标准
GB/T3478.4一2008 前 言 GB/T3478《圆柱直齿渐开线花键(米制模数齿侧配合》分为九个部分: 第1部分:总论; 第2部分;30'压力角尺寸表; 第3部分:37.5"压力角尺寸表; 第4部分:45°压力角尺寸表; 第5部分;检验; 第6部分:30°压力角M值和W值; 第7部分;37.5"压力角M值和w值; 第8部分:45°压力角M值和W值; 第9部分;量棒 本部分为GB/T3478的第4部分 本部分参考了1so4162.30圆柱直齿渐开线花继(米制做数齿倒配合》第2部分;尺寸的 内容,是对cGB/T3178 一1955《圆柱直齿渐开线花键模数4打压力角尺寸表》的修订 与 GB/T3478.41995相比主要差异如下 -标准名称由《圆柱直齿渐开线花键4矿压力角尺寸表改为《圆柱直齿渐开线花键(米制桃 数齿侧配合第4部分;45"压力角尺寸表》; 修改了原标准中的错误,并按GB/T1.1做了编辑性的修改 本部分由全国机器轴与附件标准化技术委员会提出并归口 本部分起草单位;中机生产力促进中心,哈尔滨东安发动机制造公司、石家庄链轮总厂,第二重 型机械集团公司,太原重工股份有限公司 本部分主要起草人;明翠新、常宝印,许文江、谭仁万,王晓凌,邓高见 本部分代替标准的历次版本发布情况为 GB3478.2一1983,GB/T3478.4一1995
GB/T3478.4一2008 圆柱直齿渐开线花键 米制模数齿侧配合 第4部分:45°压力角尺寸表 范围 GB/T3478的本部分规定了45"标准压力角圆齿根(以下简称45°圆齿根)的圆柱直齿渐开线花键 所需的全部花键尺寸 本部分适用于GB/T3478.1一2008标准中规定的压力角为45"、模数为0.25mm2.5mm、齿侧 配合的渐开线花键 本部分的尺寸表是按GB/T3478.1一2008表3计算公式和齿侧配合为H/h,并采用基本检验方法 编制的 规范性引用文件 下列文件中的条款通过GB/T3478的本部分的引用而成为本部分的条款 凡是注日期的引用文 件,其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本部分,然而,鼓励根据本部分达成 协议的各方研究是否可使用这些文件的最新版本 凡是不注日期的引用文件,其最新版本适用于本 部分 GB/T1800.1产品几何技术规范(GPS)极限与配合第1部分;公差、偏差和配合的基础 GB/T3478.1一2008圆柱直齿渐开线花键(米制模数齿侧配合第1部分;总论(ISO4156-1: 2005,MOD) 尺寸表 3.145"圆齿根,模数为0.25mm2.5mm,公差等级为4、5、6和7级的花键尺寸表,见表1表18. 3.2内花键小径D,的极限偏差和外花键大径D.的公差见GB/T3478.l一2008表25 3.3内花键大径D和外花键小径D的公差,从GB/T1800.1的标准公差IT12、IT13或ITl4中 选取 用展成法加工内、外花键时,齿根圆弧半径是变化的,本部分给出的是齿根圆弧最小曲率半径,见 GB/T3478.1一2008表26. 当选择的检验方法不为基本方法时,其作用齿槽宽最大值、实际齿槽宽最小值、作用齿厚最小值和 3.5 实际齿厚最大值按下式计算 作用齿槽宽最大值E=E,一入; 实际齿槽宽最小值E =E 十入; 巴min 作用齿厚最小值s.=s 十入; 实际齿厚最大值s 3.6当花键齿侧配合类别不为H/h时,尺寸表中外花键的尺寸应按下式计算 作用齿厚最大值s.,=s+ 十es; 实际齿厚最小值s =S -(T十入 wmi
GB/T3478.4一2008 式中: 作用齿厚的上偏差,见GB/T3478.1一2008表23; es -总公差,见GB/T3178.1一208表7一表15 T十入 外花键大径和小径的上偏差见GB/T3478.1一2008表24 3.7尺寸表中外花键渐开线起始圆直径最大值D的数值是按齿条形刀具加工原理推导的公式计 算的 当花键齿侧配合类别不为H/h时,D可根据GB/T3478.1一2008表3中的公式计算
GB/T3478.4一2008 表145°内花键 模数m=0.25mm作用齿槽宽最小值Emln=0.393mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 止圆直径 D D D D 圆齿根 Dm 4H 5H 6H 7H 10 10 2.50 1.7678 2.80 2.75 2.31 0.412 0,424 0,441 0.470 2.75 11 1 1.9445 3.05 3.00 2.56 0.412 0.424 0.442 0,471 12 3.00 2.121 3 3.30 3.25 2.81 0.412 0.424 0.442 0. .472 12 1: 13 .25 2. 2981 .55 3.50 3.06 0.413 0.425 442 0.472 0. 33. 3. 1 14 3,31 0,413 0,425 0.443 3.50 2.4749 3.80 3.75 .473 1 o. 2.6517 4.00 3.56 0.413 0,425 0,443 474 15 3.75 4.05 l6 .25 16 4.00 2.8284 4.30 3.81 0.413 425 0,444 0,474 o 1 n7 0. 4.25 3.0052 4.55 4.50 4.06 0.413 426 0,444 0,475 182o 0.413 18 4.50o 4.80 4.75 475 1 0 3. 4.31 0,426 0.444 9 19 3.3588 5.05 5.00 4.56 0,414 0,426 0.445 0.476 4.75 20 5,00 3.5355 5.30 5.25 4.81 0.414 0,426 0.445 0.476 20 5.25 3.7123 5.55 5.50 5.06 0.4l4 0,426 0.445 0.477 5.75 0.477 5.50 3.8891 5.80 5.31 0.414 0,427 0.446 4.0659 0,414 5 .75 .05 6.0o 5.506 0 .427 0 446 0.478 6. 4.2426 6.30 0.414 0,427 0.446 0.478 6.o0 6.25 5.81 6.25 4.4194 6.55 6.5o 6.06 0.4l4 0.427 0.447 0.479 6.50 6.75 4.5962 6.80 6.31 0.4l4 0.427 0.447 0.479 7.00 6.75 7.05 6.55 0.447 4.7730 0.414 0,428 0.480 4.9497 0,415 0,428 7 .00o 7 30 7.25 6.80 447 .48o 0. 0. 5.1265 0,428 0.448 0,481 7.55 7.05 0.415 7.25 7.50 o. 5.3033 7.80 7.75 7.30 0.415 0.428 0.448 .481 30 7.50 言5 5.4801 8.05 8.00 7.55 0.415 0. 428 0.448 0.481 8.00 8.25 0.482 13 8. 0 0,448 5,6569 30 7.80 0, 428 38 8336 0,415 0,428 0,449 .25 57 55 8.50 05 .482 8 0， 8, 8 s3 8.50 6.0104 8.80 8.75 8.30 0.415 0.429 0.449 0.483 5 s5 8.75 6.1872 9.05 9.00 8. .55 0.415 0. 429 0.449 0.483 6.3640 0.429 0.483 9,00 9.30 9.25 8.80 0.415 0.449 .25 9 0 6,5407 9,55 9.50 9.05 0,415 429 0,450 0,484 8 8 6.7175 9.80 0.429 .50 9 .75 9.30 0 416 0. 450 0， .484 8 跳 9.75 6.8943 10.05 10.00 9.55 0.416 0.429 0.45o0 0.484 7.0711 10.30 9. .80 0. 0.450 0. 485 40 10.00 10.25 0.416 429 10.25 7.2478 10.55 10.50 10.05 0.416 0,430 0.450 0.485 10.50 7. 0.75 10.30 0 .451 485 .1Io 4246 10.80 0, 0,430 0. s 6014 0.416 0.430 o. 486 43 0.75 77 1.05 1.00 10.55 0. .451 7.7782 11.30 10.80 0,430 0.451 0.486 钱 0.416 1.0o0 1.25 0. 1l.25 7.9550 11.55 11.50 l1.05 0.416 430 0.451 0.486 1.50 1.75 11.30 8.1317 l1.80 0.416 0,430 0.451 0.487 l.75 &.3085 12.05 2.00 l1.55 0.452 0.487 .1Io 0 0, 430 8.4853 0.416 0.430 o. 12.00 12.30 2.25 11.80 .452 .487 0. 12.25 8.6621 12.55 12.50 12.05 0.416 0,431 0,452 0,487 50 12.50 8.8388 12.80 12.75 12.30 0.4l6 0. 431 0.452 0. 488 12.75 12.55 9.0156 13,05 0,431 0.452 0.488 13.00 0.417 9.1924 13.00 13. 30 3.25 12. 80 417 .431 452 488 0， 0. 0. 0. 13.25 9.3692 13.55 13.50 13.05 0.417 0.431 0.453 0.489 53 5 s4 13.50 9.5459 13.8o 13.75 13.30 0.417 0,431 0,453 0.489 55 55 13.75 9.7227 14.05 14,00 13.55 0,4l7 0,431 0.453 0.489
GB/T3478.4一2008 表1(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 56 14.00 9.8995 14.30 13.80 0.417 0.431 0.453 0.489 4.25 56 57 14.25 10.0763 14.55 14.50 14.05 0.417 0.431 0.453 0.490 7 14.50 10.253o 14.8o 14.75 14.30 0.417 0,432 0.490 5 453 58 0. 59 14.75 10.4298 15.05 15.00 14.55 0.417 0.432 0.454 0.490 09 60 o. 0 15.00 10.6066 15.30 15.25 14.80 0.417 0.432 0.454 490 G1 15.25 10.7834 15.55 15.50 15.05 0.417 0.432 0.454 0.491 G2 15.8o0 00. .417 0. 0.454 62 15.50 10.9602 15.75 15.30 432 0.491 6 15.75 G3 1l.1369 16.05 16.00 15.55 0.417 0.432 0.454 0.491 16.00 1l.3137 16.30 16.25 15.80 0. .41" 0. 432 0. ..454 0. 491 64 65 16.55 1l.4905 16.05 0.432 0.455 16.25 16.50 0,417 0.492 6.75 3 0. 16.50 1.667 16.80 l6.30 0.418 432 0.455 0.492 66 G7 67 16.75 17.05 16.55 11.8440 17.00 0.418 0 432 0.455 0.492 8 68 17.0o 12.020817.30 7.25 0.455 .492 16.80 0,418 0,433 0. 0 17.25 12.1976 17.55 7.50 17. 05 455 .493 0， 0.433 0 .1s 0 0.418 0.493 17.50 12.374417.8o 7.75 17.30 455 0.433 0 1 0.418 0.433 0.493 12.5511 17.75 18.05 8.00 17.55 0 455 2 0,418 0,433 0,456 0,493 18.00 12.7279 18.30 8.25 17.80 7 ..9047 .55 18.50 18.05 0,418 0,433 0.456 0.494 18.25 12 18. 7 o. 18.50 13.0815 18,80 18.75 18.30 0.418 0,433 0.456 .494 13.2583 19.00 18.55 0.418 0,433 0.456 0.494 18.75 19.05 19.00 13.435o 19,30 19,25 18.80 0.418 0,433 0,456 0,494 77 19.25 13,6118 19,55 19,50 9.05 0.418 0,433 0,456 0.494 38 19.50 13.7886 19.8o0 19.75 19.30 0.418 0.433 0,456 0.495 9 79 0. .418 0. 0,457 0.495 19.75 13.9654 20.05 20,00 9.55 434 20.25 80 8o 20.00 14.1421 20.30 19.80 0.418 0.434 0.457 0.495 8 20.25 14.3189 20.55 20.50 20.05 0.418 0. 434 0,457 0. 495 n 82 0.75 82 14.4957 0.434 0,457 20.50 20.80 20.30 0.418 0.496 83 83 0. 20.75 14,6725 21.05 21.00 20.55 0,418 0,434 0.457 .496 21.0 21.25 0.457 84 84 14.8492 21.30 20.80 0,419 0,434 0.496 85 85 21.25 21.55 21.50 21.05 0.457 0,419 0 0. 15,0260 434 496 6 21.50 15.202821.80 21.75 21.30 457 0.434 0. 0. 0.419 496 87 6 15.379 21.75 22.05 2.00 21.55 458 .497 0，419 0.434 0 0 8 饮 0,419 22.00 15.5563 22.30 2.25 21.80 0 458 0 .497 0.434 0,419 0,434 0,458 o. 8 80 22.25 15.7331 22.55 2.50 22.05 .497 0 0,419 0,434 0.458 0.497 22.50 15.9099 22.80 2.75 22.30 90 n1 91 16.0867 23.00 22.55 0,419 0,435 0.458 0,497 22.75 23.05 16,2635 22.80 0.419 0,435 0.458 0.498 92 23.00 23.30 23.25 92 93 16,4402 23.55 23,50 23.05 0.419 0,435 0,458 0.498 23.25 8 4 23.50 16,617o 23.8o 23.75 23.30 0.419 0,435 0,458 0,498 94 95 95 23.75 16.7938 24.05 24.00 23.55 0.419 0.435 0.459 0.498 24.00 16,9706 24.30 24.25 23.80 0.419 0.435 0.459 0.498 96 90 97 97 24.25 17.1473 24.55 24.50 24.05 0.419 0.435 0.459 0.499 98 98 24.50 17.3241 24.80 24.75 24.30 0.419 0.435 0.459 0.499 99 24.75 17.5009 0.435 25.05 25.00 24.55 0.419 0.459 0.499 99 100 25.00 17.6777 25.30 25.25 24.80 0.419 0.435 0.459 0.499 00
GB/T3478.4一2008 表245°内花键 模数m=0.5mm作用齿槽宽最小值Em=0.785mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 -T十) E=E,in十 直径 直径 止圆直径 D. D D D 圆齿根 Dmn 4H 5H 6H 7H 10 10 5,00 3.5355 5.60 5.50 4.63 0.81o 0.824 0.846 0.883 3.8891 0.825 0.847 0.884 .50 5.12 10 6.00 0.810 6. 1 12 6.00 4.2426 6.60 6.50 5.62 0.81o 0.825 0.848 0.885 6,50 4.5962 7.10 7.00 6.12 0.81o 0.826 0.848 0.886 1 l3 1t 14 7.00 4.9497 7.60 7.50 6.62 0.81 0.826 0.849 0.887 5 7.50 1 5.3033 8.10 8.00 7.12 0.81 0.826 0.849 0.887 16 6569 0.81m 0.827 0.850 0.888 7.62 8 .0o S 60 8.50 8. 1 8.50 6.0104 9.10 9.0o 0.811 0,827 0.85o0 0.889 1n 8 .12 18 9,00 6.3640 9.60 9.50 0.811 0.827 0.851 0.890 8.61 1 1m 19 9.50 6.7175 10.10 10.00 9. 0.812 0.827 0.851 0.890 20 7.071l1 10.60 0.50 9.61 10.00 0.812 0.828 0.851 0.891 4246 0,828 0,852 0.8922 10.50 77 1.10 1.00 10.11 .812 0. 7.7782 10.61 0.812 0,828 0,852 0.892 1.00 11.60 1.50 2 1l.50 8.1317 12.1o 12.00 0.812 0.828 0.853 0.893 l.1 1.61 12.00 8.4853 12.60 12.50 0.812 0.829 0.853 0.894 12.50 3.00 12. 11 0. 8.8388 13.10 0.813 0.829 .853 0.894 80 9.1924 0.813 0.829 0.854 0.895 13.00 13.6o 3.50 12.61 27 13.50 9.5459 14.10 14.00 13.11 0.813 0,829 0,854 0.895 8 14.00 9.8995 14.60 14.50 3.61 0.813 0.830 0.854 0.896 R 0.830 0.896 14.50 10.2530 15.10 15.00 14.11 0.813 0.855 0.855 30 30 15.00 15.60o 5.50 61 .897 0.813 0.830 0. 10.6066 l14. 1 游 16.00 0,813 0,830 0,855 0.897 15.50 10.9602 16. 10 15. 1 3 16.00 11.3137 16.6o 16.50 15.61 0.814 0.830 0.856 0.898 ;2 38 3 11.6673 16.11 0.831 16.50 17.10 17.00 0.814 0.856 0.898 17.60 16.61 ;4 17.00 12.0208 17.50 0.814 0,831 0.856 0.899 17.50 35 12 18. 8.00 17. 1m 0.814 0.831 0 .857 I0 ,3744 0.899 80 0.814 0.831 0,857 0.900 18.00 12.727918.60 8.50 17.61 8 19.10 18.11 0,831 0.857 0.900 18.50 13.0815 19.00 0.814 38 8 19.00 13.435o 19.60 19.50 18.61 0.814 0.832 0.857 0.901 8 19.50 20.10 20.00 19.11 13.7886 0.814 0,832 0.858 0,901 0,832 0,858 20.0o 14.1121 20.60 20.50 19.6i1 0.902 0.814 14.4957 0.815 0.832 0,858 20 0.902 21.1o0 21.00 1 20.50 2 21.00 14.8492 21.50 20.61 0.815 0.832 0.859 0.902 21.60 43 21.50 15.2028 22.10 22.00 21.11 0.815 0.832 0.859 0.903 44 20 2.50 21.61 2.60 0.833 0.903 15.5563 0.815 0.859 0.815 0.833 0,859 0.904 45 2.50 15.909923.1o0 23.00 1 心 16.2635 23.6o 22.61 0.815 0.833 0.860 0.904 23.00o 23.50 4n 16,617o 24.10 24.00 23.11 0.815 0.833 0.860 0.904 23.50 48 " 0,833 16.9706 24.60 24.50 23.61 0.815 0.860 0.905 24.00 24.50 25.00 08 40 17.3241 25.10 24.ll1 0.815 0.833 0.860 0.905 0.815 0.833 0.906 25.0017.677？ 25.60 25.50 2A1.61 50 0.860 0 5 s成 18.0312 26.1o 26.00 0.816 0,834 0.861 0.906 25..50 25.11 2 0.834 26.00 18.3848 26.60 26,50 25.60 0.816 0.861 0.906 2 26.50 18,7383 27.10 27.00 26.10 0.816 0.834 0.861 0.907 53 54 27.00 27.60 27.50 9.091 9 26.60 0.816 0.834 0.861 0,907 55 27.5o 19.4454 28.10o 28.00 27.10 0.816 0.834 0,862 0.907 5
GB/T3478.4一2008 表2(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=Emln十T十A) D. 直径 直径 止圆直径 D D D 圆齿根 Dm 4H 5H 6H 7H 56 28.00 19.799o 28.60 28.50 27.60 0.816 0.834 0.862 0.908 56 20.1525 57 28.50 29.10 29.00 28.10 0.816 0.834 0.862 0.908 sT 58 58 29.00 20.5061 29.60 29,50 28,60 0.816 0,835 0.862 0.908 20.8596 59 29.50 30.10 30.00 29.10 0.816 0.835 0.862 0.909 9 60 60 30.00 21.2132 30.60 30.50 29.60 0.816 0.835 0.863 0.909 31.10 30.50 21.5668 31.00 30.10 0.816 0.835 0.863 0.909 n 62 82 31.50 0.910 31.00 21.9203 31.60 30,60 0.816 0.835 0.863 31.50 22. 2739 63 32.10 32.00 31.10 0,817 0.835 0.863 0.910 o o 0.817 32.0o 22. .627 32.60 公令 31. 60 0.835 0.863 32. 0. .910 5 0.817 32.5022.981 0 33.10 3.00 32. 10 0.864 .911 0.835 60 33.6o 33,50 32.60 0.817 0,836 0,864 0.91m 6 3.0023.3345 s G7 34.10 34.00 0.817 0,836 0,864 0.911 3.5023.6881 33.10 68 24.0416 34.6o 34.50 33.60 0.817 0,836 0,864 0.912 3A.00 68 24.3952 35,10o 35.00 34.10 0.817 0,836 0,864 0,912 69 34.50 0 35.00 24.7487 35.6o 35,50 34.60 0.817 0,836 0,865 0,912 7 25,1023 36.10 36.00 35.10 0.817 0,836 0,865 0,912 35.50 25.4558 2 36.00 36.6o 36.50 35.60 0.817 0.836 0.865 0.913 73 36.50 25.8094 37.10 37.00 36.10 0.817 0.836 0.865 0.913 37.00 26.1629 37.60 37.50 36.60 0.817 0.837 0.865 0.913 37.50 26.5165 38.10 38,00 37.10 0,817 0,837 0.866 0,91 76 38.00 26.870 38.60 38.50 37.60 0.818 0.837 0.866 0,914 77 38.50 27.2236 39.10 39.00 38.10 0.818 0.837 0.866 0,914 39.00 27.577 2 39.60 39.50 38.60 0.818 0.837 0.866 0,914 27.9307 0. 0.915 39,50 40.10 40.00 39.10 0.818 0.837 .866 80 80 0.50 40.00 282843 40,60 39,60 0.818 0.837 0.866 0,915 1 8 0.837 0.867 40.5028.637 4.10 4l.00 10 0.818 0 .915 40 82 0.837 l.0028.9914l.6o0 .887 4l.50 60 .818 .916 0. 0. 0. 40. s3 0.818 0,867 0,916 1.5029.3449 2 .1o 2.00 4I 0 0.838 8t .6o 0.818 0.867 0.916 p. 42.0029.6985 42. .50 4I.60 0.838 s 8E 30.0520 43.00 0.818 0.838 0,867 0.916 12.50 43.10 42.10 80 30.4056 43.50 0.818 0.838 0,867 0.917 43.00 43.60 42.60 s 87 87 43.50 30.7591 44.1o 44.00 43.10 0.818 0.838 0.868 0.917 44.00 31.1127 44.6o 44.50 43.60 0.818 0.838 0.868 0.917 S8 88 B 31.4663 45.10 44.10 0.818 0.838 0.868 89 44.50 45.00 0.917 90 90 45.00 31.8198 45.6o 45.50 44.60 0.818 0.838 0.868 0.918 y 9n 45.50 32.1734 46.10 46.00 45.10 0.819 0.838 0.868 0.918 82 2 46.00 32.5269 46,6o 46.50 45.60 0.819 0.839 0.868 0.918 3 S 46.50 32.8805 47.10 47.00 46.10 0.819 0.839 0.869 0.918 n 47.00 33.2340 47.60 47.50 46.60 0.819 0.839 0.869 0.919 n 95 48.10 47.50 33.5876 48.00 47.10 0.819 0.839 0.869 0.919 5 96 96 48.00 33.94l1 48,60 48.50 47.60 0.819 0.839 0.869 0.919 97 34.2947 49.10 97 48.50 49.00 48.10 0.819 0.839 0.869 0.919 98 9.50 0.869 98 49.00 34.6482 49.60 48.60 0.819 0.839 0.920 0,920 99 49.5035.001 9 50.10 0.00 10 0.819 9 0.839 0.869 49. 100 50.00 35.3553 50,60 50.50 49.6o 0.819 0.870 0.920 100 0.839
GB/T3478.4一2008 表345°内花键 模数m=0.75mm作用齿槽宽最小值Emln=1.178mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 7.50 5.3033 8.40 8.25 6.94 1.206 1.223 1.248 1.290 1 11 8,25 5.8336 9.15 9,00 7.69 1.206 1. 223 1.249 291 12 12 9.00 6.3640 9.90 9.75 8.43 1.207 !.224 1.249 292 13 1 9 .75 10.65 .18 .224 1.250 1.293 D I.307 9. 6.8943 l0. 14 9.93 1.207 1.225 1.294 10.50 7.4246 1.40 1.25 1.251 1 11.25 7.9550 12.15 12.00 10.68 1.207 1.225 1.251 1.295 15 l l6 16 75 12.00 8.4853 12.90 2. 1l.42 1.208 1. 225 1.252 1.296 17 7 12.75 9.0156 13,65 13.50 12.17 1.208 1.226 1.252 1.297 I 5459 1.226 1.298 13.50 14.40 14. 12.92 1.253 1 25 1,208 9. 19 10,0763 15.00 13.67 1.208 1 226 1.253 1.298 14.25 15.15 20 15.00 10,6066 15,90 5.75 14.42 1.208 1.227 1.254 1.299 20 21 l. 15.75 l.1369 16.65 16.50 15.17 1.209 227 1.254 1.300 2 17.25 17.40 16.50 11.6673 15.92 1.209 1.227 1.255 1.301 .15 28 12.197 17.25 6 18. 18.00 16.67 1.209 .227 1.255 .301 21 1.209 1.228 1.256 1 302 18.00 12.727918.90 18 75 17.42 18.75 13.2583 19.65 18.17 1.209 1.228 1.256 1.303 19.50 20.25 19.50 13.7886 20.40 18.91 1.209 1. 228 1.256 1 .304 20.25 19.66 1.257 21.15 1.o0 14.3189 1.21o 1.229 1.304 8 21. 1.21o 1.229 14.849221,.90 .75 20.4l 1.257 1.305 1.00 2 1.229 1.258 21.75 15.3796 1.21o 1.305 22.65 21.16 50 23.25 22.50 15.9099 21.91 1.21o 1.229 1.258 1.306 30 23.40 31 23.25 24.15 16.4402 24.00 22.66 1.21o 1. 229 1.258 1.307 32 24.00 75 23.4 .307 24.0 24 16.9706 1.21o 1.230 1.259 38 8 .75 .5009 1.230 1.308 25.65 24. 17. 35.50 2A.16 1.211 1.259 瓦.怎 8 18.0312 1.211 1.230 1.259 1.308 s4 25.50 24.91 26.40 2715 5 s5 26.25 18.5616 1.211 1.230 1.260 1.309 27.00 25.66 27. 36 75 27.00 26.41 1. 231 1 309 19,0919 27.90 1.21 1.260 87 27. .75 28.65 28.50 27.16 19.6222 1.211 1.231 1.260 1.310 B 办 1.231 28.5020.1525 .40 29. 25 27.91 1.211 1.261 .31o D 20.6829 30.00 28.66 1.211 1.231 1.261 1.311 29.25 30.15 40 30.75 21.2132 30.00 30.90 29.41 1.211 1.231 1.261 1.311 30.75 21.7435 31.50 31.65 30.16 1.212 1.232 1.262 1.312 1.212 31.5022.2739 2. 25 30.91 1.262 .312 32.40 1.232 s .804 1.212 1.232 1.262 1.313 .15 R 32.25 2 33. 33. 31.66 75 33. 1.232 1.263 钱 33.90 32.41 1.212 1.313 33.0023.3345 23.8649 34.65 34.50 33.16 1.212 1.232 1.263 1.314 33.75 3 .50 35.25 .40 24.3952 35. 33.91 1.212 1. 233 1.263 1.314 .15 35.2524.925536. 36.0o 34.66 1.212 1.263 .315 l.233 1.212 1.233 1.264 1.315 48 36.0025.455836.90 36. 75 35.4l 49 25,9862 37.50 36.16 1.212 1.233 1.264 1.316 36.75 37.65 38.25 50 37.50 26.5165 38.40 36.91 1.213 1.233 1.264 1.316 38.2527.0468 39.15 39.00 37.66 1. .233 1.213 1.265 1.316 1.213 .234 39.00 27.5772 39.90 39.75 38. 1.265 .317 8 39.75 28.1075 39.16 1.213 1.234 1.265 1.317 40.65 40.50 st s4 40.50 28,6378 41.40 41.25 39.91 1.213 1.234 1.265 1.318 55 55 41.25 29.1682 42.15 12.00 40.66 1.213 1.234 1.266 1.318
GB/T3478.4一2008 表3(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 42.00 29.6985 42.90 42.75 1.213 1.234 1.266 1.318 56 41.4打 56 42.75 30.2288 43.65 43.50 42.16 1.213 1.234 1.266 1.319 5 7 43.50 30.7591 44.25 42.91 1.213 1.235 1.266 1.319 58 44.40 58 S0 31.2895 44.25 45.15 45.00 43.66 1.213 1.235 1.267 1.320 09 0 6o 45.00 31.8198 45,90 45.75 44.41 1.214 1.235 1.267 1.320 Gn 45.75 32.3501 46,65 46.50 45.16 1.214 1.235 1.267 1.320 6r 82 62 32.8805 47.40 45.91 46.50 47.25 1.214 1.235 1.267 1.321 63 G3 47.25 334108 48.15 48.00 46.66 1.214 1.235 1.268 1.321 6t 64 48.00 33.9411 48.90 48.75 47.41 1.214 1. ..235 1.268 1.322 6 48.75 65 49.65 48.16 1 322 344715 49.50 1.214 1.236 1.268 6 66 0.25 8 1. 49.50 35.001 50.40 48.91 1.214 236 1.268 1.322 G 50.25 51.15 1.00 49.66 .323 35.5321l 1.214 1.236 1.268 68 51.o 51.90 1.75 50.41 1.323 36.0624 1.214 .236 1.269 51.7536.592852.65 2.50 51. 16 1.269 1.323 1.236 1.214 0 "0 1.215 1.269 1.324 52.5037.1231 53.40 3.25 51.91 1.236 1 1.215 1.236 1.269 1.324 53.2537.6534 54.15 4.00 52.66 2 38.1838 53， 1.215 1.237 1.270o 54.00 54.90 4.75 4 1.324 7 38.7141 1.215 1.237 1.270 1.325 54.75 55.65 5.50 54.16 "4 55.50 39.2444 56,40 56.25 54.91 1.215 1.237 1.270 1.325 39.7748 57.15 57.00 55.66 1.215 1.237 1.270 1.325 56.25 57.00 40.3051 57.90 57.75 56.41 1.215 1.237 1.270 1.326 7 40.8354 58.65 58,50 57.15 1.215 1.237 1.271 1.326 57.75 78 9.25 58.50 41.3657 59.40 57.90 1.215 1.237 1.271 1.326 41.8961 60.15 59.25 60,00 58.65 1.215 1.238 1.271 1.327 80 0.75 1.271 60.00 42.4264 60,90 59.40 1.215 1.238 1.327 87 8 60.75 42.9567 61.65 61.50 60.15 1.215 1.238 1.271 1.327 8 61.50 43.4871 1. 238 1 328 62.40 62.25 60.90 1.216 1.272 82 83 62.25 44.017 63.15 63.00 61.65 1.216 1.238 1.272 1.328 85 63.75 84 84 63.00 44.5477 63.90 62.40 1.216 1. .238 1.272 1.328 85 85 63.75 64.65 15 1.272 64.50 45.0781 63 1.216 1.238 1.329 6 45. 65.40 65.25 1.272 1.329 6084 64.50 63.90 1.216 1.238 87 1387 1.216 1.329 65.25 66.15 6.00 64. 65 1.239 L.2?3 46 8 1.216 1.239 1.330 S 66. 46.6690 66.90 6.75 65. 40 1.273 9 66 1.216 1.239 1.273 80 66.75 1.330 47.1994 67.65 7.50 15 0 67.50 68,40 66,90 1.216 1.239 1.273 1.330 47.729" 68.25 90 91 68.25 48.260o 69,15 69,00 67.65 1.216 1.239 1.273 1.331 91 69.00 69,90 68.40 1.216 1.239 1.274 1.331 92 48.7904 9.75 92 98 69.75 49.3207 70.65 70,50 69.15 1.216 1.239 1.274 1.331 93 4 70.50 49,851o 71.40 71.25 69,90 1.216 1.239 1.274 1.331 94 95 95 71.25 50.3814 72.15 72.00 70.65 1.216 1.240 1.274 1.332 2.75 96 72.00 50.9117 72.90 71.40 1.217 1.240 1.274 1.332 96 72.15 97 97 72.75 51.4420 73.65 73.50 1.217 1.240 1.274 1.332 98 98 73.50 51.9723 74.40 74.25 72.90 1.217 1.240 1.275 1 333 99 52.5027 74.25 75.15 75.00 73.65 1.217 1.240 1.275 1.333 99 100 75.00 53,0330 75.90 75.75 74.40 1.217 1.240 1.275 1.333 00
GB/T3478.4一2008 表445°内花键 模数m=1mm作用齿槽宽最小值Emn=1.571mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 10.00 7.0711 11.20 11.00 9.26 1.602 1.620 1.648 1.694 1 11 ll.00 7.7782 12.20 12.00 10.25 1.602 1.621 1.649 1.695 12 12 12.00 8.4853 13.20 13.00 ll.25 1.602 .621 1.649 1.696 1 13.0o 9.1924 14.20 12.214 1.602 1.621 .698 l 1 14.00 1.650 14 1 14.00 9.8995 1.603 1.622 1.651 699 15.20 15.00 13.24 1 1 15.00 10,6066 16,20 16.00 14.24 1.603 1.622 1.651 1.700 1 16 16 16.00 1l.313" 17.20 17.00 15.23 1.603 .623 1.652 1.701 17 17 . 1. 17.00 12.0208 18.20 18.00 16.23 .604 623 1.653 1.702 I 18.00 12.7279 19.20 19.0o 17.23 1.6214 1.653 1.703 1 1，604 I 9 19.00 13,435o 20.00 18.23 1.604 1.624 1.654 703 20.20 4 20 14.1421 21.2o 21.00 19.23 1.604 .624 1.654 1.704 2 20.00 21 21.00 1. 14.8492 22.20 22.00 20.22 1.604 1.625 1.655 705 2.00 2 1. 15.5563 23.20 23.00 21.22 .605 1.625 1.655 1 .706 1.6o5 1.707 23.00 16.263524.20 24.00 22.22 ,625 1.656 1.605 1.626 1.656 1.708 2A.00 16.970625.20 25.00 23.22 17.6777 26.20 26.00 24.22 1.605 1.626 1.657 1.708 25.00 18.3848 27.20 27.00 25.22 1.605 1.626 1.657 1.709 26.00 27 27.00 28.20 28.00 26.22 19.0919 1.606 1.626 1.658 1 .710 1.606 28.00 19.7990 29.20 9.00 27.22 ,627 1.658 1.71o 20.5061 30.00 1.627 1.659 1.606 1.711 29.00 30.20 28.2 21.2132 31.20 31.00 29.22 1.606 1.627 1.659 1.712 30 30.00 31.00 31 21.9203 32.20 32.00 30.22 1.606 1.627 1.659 1. 712 32 32.00 22.6274 31,.22 1 1 33.20 33.00 606 1.628 1.660 .713 38 8 1.607 1.628 1.66o0 3.0023.334 34.20 3A.00 32.22 1.714 5 8 s3 24.0416 35.00 33.22 1.607 1.628 1.661 1.714 34.00 35.20 5 s5 35.00 24.7487 36.20 36.00 34.21 1.607 1 628 1.661 1.715 25.4558 37.00 1 .661 1. 36.00 37.20 35.21 1,607 1.629 .716 37.00 26.1629 38.20 38.00 .607 1 36.21 1.629 1.662 1.716 B 1.607 1.629 1.662 38.0026.8701 39.20 39.00 37.21 .717 D 39.00 27.5772 40.2o 40.00 38.21 1.607 .629 1 ..662 1.717 40 41.20 41.00 40.00 28.2843 39.21 1.608 1.630 1.663 1.718 41.00 28.9914 42.20 42.00 40.21 1.608 1.630 1.663 1.718 12.0029.698543.20 3.00 4.21 1，608 1630 .719 1.663 1.608 1.630 1.664 43.0030.405644.20 4.00 42.21 .719 45.2o 43.21 1.664 钱 44.00 31.1127 45.00 1.608 1.630 1.720 45.00 31.8198 46.20 46.00 44.21 1.608 1.631 1.664 1.720 47.20 .721 46.00 32.5269 47.00 45.21 1.608 1.631 1 .665 1 47.00 33.234o 48.20 8.00 46.21 1.665 .721 .608 . 1. l.631 1.609 1.631 1.665 48 48.0033.941l 49.20 9.00 47.21 1.722 49 49.00 34.6482 50.20 50.00 48.21 1.609 1.631 1.666 1.722 0 50 50.00 35.3553 51.20 51.00 49.21 1.609 1.632 1.666 1.723 51.0 36.0624 52.00 ！. 1. 723 52.20 50.21 1.609 1.632 .666 .632 1.666 52.00 36.7696 53. 心 53.0o 51.21 .7214 l，609 1. 5 53.00 37.4767 54.00 52.21 1.609 1.632 1.667 1.724 54.20 54 s4 54.00 38,1838 55.20 55.00 53.21 1.609 1.632 1.667 1.725 55 55 55.00 38.8909 56.20 56.00 54.21 1.609 .633 1.667 1.725
GB/T3478.4一2008 表4(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 56 56.00 39.598o 57.00 55.21 1.61o 1.633 1.668 1.726 57.20 56 57.00 40.3051 58.20 58.00 56.21 1.61o 1.633 1.668 1.726 5 7 58.00 41.0122 59.2o 59.00 57.21 1.61o .633 1.668 1.727 5 58 59 59 59.00 41.7193 60.20 60.00 58.21 1.61o 1.633 1.668 1.727 0 6o 60.00 42.4264 61.20 61.00 59.21 1.61o 1.633 1.669 1.728 G1 61.00 43.1335 62.20 62.00 60.21 1.61o 1.634 1.669 1.728 G2 62 63.20 61.21 62.00 43.8406 63.00 1.61o 1.634 1.669 1.728 6 G3 63.00 44.5477 64.20 64.00 62.21 1.61o 1.634 1.670 1.729 64.00 45.2548 65.20 65.00 63.21 1. .610 1.634 1.670 1.729 64 65 45.9619 1.634 1 .670 1 730 65.00 66.20 66.00 64.21 1.61o 66 1. 66.00 46.6690 67.20 67.00 65.21 .61 1.634 1.670 1.730 G7 G 67.00 68.20 47.3762 68.00 66.21 1. .61 1.635 1.671 1 .730 8 68 1.671 .731 68.00 48.0833 69.20 69,00 67.21 1 .61 .635 1 0 7904 69.0o 70.20 0.00 68.21 l.611 1.671 .731 1.635 70 5 497 69 1.61m 1.635 70. 71.20 1.00 1.671 1.732 Oo 49. 70.21 1.61m 1.635 2.00 1.732 71.0050.204 6 72.20 1.672 2 73,00 71.21 1.611 1 635 1 72.0050.9117 73.20 1.672 .732 7 74.00 72.21 1.61m 1.636 1.672 1.733 73.051.6188 74.20 7 74.00 52.3259 75.20 75.00 73.21 1.61m 1.636 1.672 1.733 53.0330 76.00 74.21 1.611 .636 1.673 1.734 75.00 76.20 76.00 53.7401 77.20 77.00 75.21 1.612 1.636 1.6733 1.734 77.00 544472 78.20 78.00 76.21 1.612 1.636 1.673 1.734 78 78.00 55.1543 79.20 79.00 77.21 1.612 1.636 1.673 1.735 55.861 4 11 .612 79.00 80.20 80,00 78.21 1.636 1.673 1.735 80 80.00 56.5685 81.20 81.00 79.21 1.612 1.637 1.674 1.735 8 81.00 57.2756 82.20 82.00 80.21 1.612 1. 637 1.674 1.736 n 82 57.9828 1. 736 82.00 83.20 83.00 81.21 1.612 1.637 1.674 82 83 83 1. 1. 83.00 586899 84.20 84.00 82.21 ,612 1.637 1.674 736 84 8 84.00 59,3970 85.20 85.00 83.21 1.612 1.637 1. ,675 1 .737 85 85 1.675 .737 1 85.00 60,1041 86.20 86.00 84.21 612 1.637 6 86.00 87.20 21 1.612 1.675 .738 2 1. 60.811 87.00 85 1.637 87 88.00 86 1.613 87.0061.5183 88.20 1.675 .738 1638 饮 1.613 88.00 62.2254 89.20 89.00 87.21 1638 1.675 .738 89.00 62.9325 90,00 88.21 1.613 1.638 1.676 739 80 90.20 1 0 90.00 63.6396 91.00 89.21 1.613 1.638 1.676 1.739 91.20 90 n1 91 91.00 64.3467 92.20 92.00 90.21 1.613 1.638 1.676 1.739 92.00 65,0538 93.00 91.21 1.613 .638 1.676 1.740 92 93.20 92 93 s3 93.00 65.7609 94.20 94.00 92.21 1.613 1.638 1.676 1.740 4 94.00 66.468o 95.20 95.00 93.21 1.613 1.639 1.677 1.740 94 95 95.00 67.1751 96.2o0 96.00 94.21 1.613 .639 1.677 1.741 5 96 96.00 67.8822 97.20 97.00 95.21 1.613 1.639 1.677 1.74 0 n7 97 97.00 68.5894 98.20 98.00 96.21 1.613 1.639 1.677 1.74 98 98 98.00 69.2965 99.20 99,00 97.21 1.613 1.639 1.677 1. 742 99 99 70.0036 100.20 99.00 100.00 98.21 1.614 1.639 1.678 1.742 100 100,00 70.7107 01.20 101.00 99.21 1.614 1.639 1.678 1.742 00 10
GB/T3478.4一2008 表545°内花键 模数m=1.25mm作用齿槽宽最小值E,l.=1.963 单位为毫米 mm 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 12.50 8.8388 14.00 13.75 11.57 1.997 2.017 2.046 2.096 11 13.75 9.7227 15.25 15.00 12.81 1.997 2.017 2.047 2.098 11 12 12 15.00 10.6066 16.50 16.25 14.06 1.997 2.018 2.048 2.099 13 1 16.25 11.490517.75 7.50 15.30 2 1.998 2.018 2.049 .100 14 1.998 2.019 2.050 17.50 12.374419.00o 18. 16.55 .101 1 75 2 1 2. 18.75 13.2583 20.25 20.00 17.79 1.998 2.019 2.050 102 1 25 16 16 20.00 14.142 21.50 21. 19.04 1.999 2.020 2.051 2. .l04 17 17 2. 2. 21.25 15.0260 22.75 22.50 20.29 1.999 2.020 ..052 l05 22.50 15.9099 24.0o 23. 21.54 2.052 .106 1 75 1.999 2.020 2. I 1 2 2. .00 1.999 2.021 2.053 .107 23.75 16.793825.25 22.78 20 17.6777 26.50 24.03 2.00o 2.021 2.054 2. 108 20 6.25 25.00 27.50 27.75 26.25 18.5616 25.28 2.000 2.021 2.054 2.108 27.50 29.00o 28.75 2 19,4454 26.53 2.000 2.022 2.055 109 .75 28. 20.329330. 30.00 27.78 22 000 2.02 2.055 2. .l1o .25 2.000 2.023 22 a1.50 30.0021.2132 31. 25 29.03 2.056 .11 5 2. 31.25 22.0971 32 32.50 30.28 2.001 2.023 2.056 112 75 34.00 32.50 22.9810 33. 31.52 2.001 2.023 2.057 2.l13 3.7523.864935. 5.00 32.7m7 .057 2 .l13 .25 2.001 2.023 2. 8 .058 .50 35.0024.748736. 36. .25 34.02 2.001 2. .024 2 .114 35.27 2.001 2.024 2.058 2.115 36.2525.6326 37.75 37.50 38.75 2. 37.50 26.5165 39.00 36.52 2.002 2.024 2.059 1l6 30 38.75 40.25 27.4004 40.00 37.77 2.002 2.025 2.059 2. 1l6 28.284 25 39.02 .117 4挂.50 3 2. 40.00 41. 2.002 2.025 .059 38 38 2. .75 2.025 2.06o0 1.2529.1682 42. 40.27 2.002 .118 2. 0 8 4挂.0 7 s3 42.50 30.052o 41.52 2.002 2.025 2.060 2.118 43. 5 s5 机5 43.75 30.9359 45.00 42.77 2.002 2.026 2.061 2. 119 46.50 46.25 2. 45.00 31.8198 44.02 2.003 2.026 2.061 120 46.25 7.50 45.27 2.120 2.703747.75 2. 2. 003 2.026 .062 B 2.003 2.026 2.062 47.5033.587 49.00 8. 75 46.52 2 .121 D 48.75 34.4715 50.25 50.00 47.77 2.003 2.027 2.062 2.122 40 25 35.3553 49.02 2. 50.00 51.50 51. 2.003 2.027 2.063 122 51.25 52.75 2.50 2. 36.2392 50.27 2.003 2.027 2.063 123 53. 52.5037.1231 54.00 75 51.52 2.027 2. .123 2.003 2. .0633 s 2.028 .064 RN 53.7538.0070 55.25 55. 52.76 2.004 2 .124 38.8909 钱 55.00 56.50 54.01 2.004 2.028 2.064 2.125 n2 56.25 39.7748 57.75 57.50 55.26 2.004 2.028 2.064 2.125 57.50 58.75 40,6586 59.00 56.51 2.004 2.028 2.065 2. 126 58.754l.542560.25 60.0o 57.76 2.029 .065 2 .126 2.004 2. 2.029 2.066 48 60.00 42.4264 61.50 61 .25 59.01 2.004 .127 2 49 61.25 43.3103 62.75 62.50 60.26 2.004 2.029 2.066 2.127 3.75 50 62.50 44.1942 64.00 61.51 2.005 2.029 2.066 2.128 75 62.76 2.128 45.0781 65.00 63. 65.25 2.005 2.029 2.067 030 2.067 2.005 65.0 45.961966.50 66.25 64.01 py 2. .129 5 66.25 46.8458 67.50 65.26 2.005 2.030 2.067 2.129 67.75 st s 67.50 47.7297 69.00 68.75 66.51 2.005 2.030 2.067 2.130 55 55 68.75 8,6136 70.25 0.00 67.76 2.005 2.030 2.068 2.130 1l
GB/T3478.4一2008 表5(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 2. 56 70.00 71.50 69.01 2.005 2.030 2.068 49.4975 71.25 .131 56 57 2. 71.25 50.3814 72.75 72.50 70.26 2.005 2.031 2.068 131 7 72.50 51.2652 74.00 73.75 71.51 2.006 2.031 2.069 2.132 5 58 59 73.75 52.1491 75.25 75.00 72.76 2.006 2.031 2.069 2.132 09 60 2. 0 75.00 53,0330 76.50 74.01 2.006 2.031 2.069 133 6.25 77.50 Gn 76.25 53.9169 77.75 75.26 2.006 2.031 2.070 2. 133 61 8.75 82 62 2. 134 77.50 54.8008 79.00 76.51 2.006 2.032 2.070 78.75 63 6 55.6847 80.25 80.00 77.76 2.006 2.032 2.070 2.134 80.00 56.5685 81.50 81.25 79.01 2.006 2.032 2.070 2. 135 64 65 82.75 80.26 .135 81.25 2. 57,4524 82.50 2.006 2.032 2.071 83.75 66 82.50 58.3363 84.00 81.51 2.006 2.032 2.071 2.135 G7 G 83.75 59.2202 85.25 2.136 76 85.00 82. 2.007 2.032 2.071 8 68 85.0o 86.50 86.25 .007 .072 2 .136 60.1041 84.01 2. 2.033 2. 0 988o 007” 86.25 87.75 87.50 85. 26 2.072 2 .137 60 2. 2.033 70 86 ..51 2.007 2.033 .072 87.5061.871 89.0o 8.75 .137 8 2 2. 2.007 2.033 62.7557 8.75 90.25 90 .00 87.76 22 072 2. 138 63.6396 2.007 2.033 2. .073 90.00 91.50 91.25 89.01 2 .138 7 2. 64.5235 90.26 2.007 2.034 2.073 91.25 92.75 92.50 .139 7 2. 92.50 654074 94.00 93.75 91.51 2.007 2.034 2.073 139 66.2913 95.00 92.76 2.007 2.034 2.073 2.139 93.75 95.25 95.00 67.1751 96,50 96,25 94.01 2.008 2.034 2.074 2.140 2. 96.25 68,059o 97.75 97.50 95.26 2.008 2.034 2.074 140 78 97.50 68.9429 99.00 98.75 96.51 2.008 2.034 2.074 2.141 98.75 69.8268 97.76 2. .141 00.25 100.00 2.008 2.034 2.074 8o 100,00 70.7107 01.50 101.25 99.01 2.008 2.035 2.075 2.14 8 101.25 71.5946 102.75 102.50 100.26 2.008 2.035 2.075 2. 142 n 8 72.4784 104.00 103.75 102.50 101.51 2.008 2.035 2.075 2.142 82 83 103.75 83 2. 73.3623 05,25 105.00 102.76 2.008 2.035 2.075 143 2 84 8 105,00 74.2462 06,50 106,25 104.01 2.008 2.035 2. .076 143 85 106.2575.1301 107.75 2 s5 2.035 2. .076 l43 107.50 l05,26 2.008 86 86 107.50 76.0140 08.75 106.1 2 144 09.00 2.009 2.036 2.076 G7 87 8979 110. 07.76 2.076 .75 心 110.25 .144 108 2.009 2.036 2 .00 8 7 009 2.077 88 110.00 77.781 11.50 11.25 109 .01 22 2.036 2. .144 78.6656 112.75 110,26 2.036 2. .077 2. 8 112,50 2.009 111.25 .145 s 0 2. 2. 90 79.5495 114.00 2.009 2.036 .077 112.50 13.75 111.51 .145 91 113.75 80.4334 115.25 115.00 112.76 2.009 2.036 2.077 2. 146 91 115,00 81.3173 16,50 116,25 14.01 2.009 2.036 2.078 2.146 92 92 98 s3 116,25 82.2012 117.75 117.50 115,26 2.009 2.037 2.078 2.146 4 2. 117.50 83,085o 119,00 118.75 116,51 2.009 2.037 2.078 .147 94 95 118.7583.9689 120.25 120.00 17.76 2.009 2.037 2.078 2.147 5 96 120.00 84.8528 121.50 121.25 119.01 2.009 2.037 2.078 2.147 6 n7 97 121.25 85.7367 122.75 122.50 120.26 2.01o 2.037 2.079 2.148 98 98 122.50 86.6206 124.00 123.75 121.51 2.01o 2.037 2.079 2. 148 99 99 2. 148 123,75 87.5045 125,25 125.00 122.76 2.01o 2.037 2.079 100 125,00 88.3883 126,50 126.25 124.01 2.01o 2.038 2.079 2.149 00 12
GB/T3478.4一2008 表645°内花键 模数m=1.5mm作用齿槽宽最小值E,mn=2.356mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 15.00 10,6066 16,8o 16.50 13.88 2391 2.413 2.444 2.497 1 11 16.50 1l.6673 18.30 18.00 15.37 2.392 2.413 2.445 2.499 12 12 18.00 12.727 9 19.8O 19.50 16.87 2.392 2.4l4 2.446 22 .500 13 1 19.50 13.788 21.30 21.0o 18.36 393 2.447 .502 2. 2.414 14 .8492 2.393 2.415 448 2.503 21.00 22.8o 22.50 19.86 1 22 1 22.50 15,9099 24.30 24.00 21.35 2.393 2.415 2,449 2.504 15 l6 25.50 16 24.00 6,9706 25.8O 22.85 2.393 2,416 2.449 2.505 17 7 2 22 8.031 27.30 27.00 24.35 2.394 2.416 2.450 ..506 25.50 I 27. .00 091928.80 28.50 25.84 2.417 2.451 .507 1 19 2.394 I 1 20.1525 30.00 27.34 2.394 2.417 451 2.508 28.50 30.30 22 20 21.2132 31.8o 31.50 28.84 2.395 2.417 2.452 2. 509 20 80,00 22.2739 33.30 33.00 30.34 2.395 2.418 2.453 2.510 .D" 2.51 5 33.00 23.334 34.80 34.50 31.84 2.395 2.418 2.453 395 419 34.5024.395236.30 36.00 33.33 D 454 2 .512 2. 2. 34.83 2.395 2,419 36.0025.4558 37,.8O0 7.50 22 4514 2.513 37.50 26.5165 39.30 39.00 36.33 2.396 2.419 2.455 2.514 2.515 39.00 27.5772 40.80 40.50 37.83 2.396 2.420 2.455 0.5028.6378 42.30 39.33 2 42.00 2.396 2 420 2.456 .516 2.396 42.0029.698543.80 3.50 40.83 .420 22 456 .517 吵 5.0 30.7591 42.33 45.00 2.396 2.421 43.50 457 2.517 2 80 2 45.00 31.8198 46.80 46.50 43.83 2.397 421 2.457 2.518 31 46.50 32.8805 48.30 48.00 45.32 2.397 2.421 2.458 2.519 49.80 9.50 2 2 .520 2. 2 2.458 48.00 339411 46.82 .397 38 2.397 49.5035.001 51.30 51.00 48.32 2.42 22 459 .520 8 2 8 s3 36.0624 52.8o 52.50 49.82 2.397 2.422 2.459 51.00 2.521 5 s5 52.50 37.1231 54.30 54.00 51.32 2.398 2 422 2.460 2. .522 38.1838 55.50 2.423 2.460 54.00 55.80 52.82 2.398 2.522 5.50 57.30 .523 2 22 39,2444 57.00 54.32 2.398 423 2.461 B 2.398 40.3051 55.82 2.521 57.00 58.80 58.50 .423 22 461 o D 58.50 41.3657 60.30 60.00 57.32 2.398 2.424 2.461 2.524 40 42.4264 61.50 2.424 2.462 60.00 61.80 58.82 2.398 2.525 61.50 43.4871l 63.30 63.00 60.32 2.399 2.424 2.462 2.526 42 63.o 44.5177 6A.80 6A.50 61.82 2.424 2.463 2 .526 2.399 s 48 66.00 2.399 64.50 45.6084 66.30 63.32 2. .425 22 463 2 .527 67.8o 67.50 2.463 钱 66.00 46.669o 64.82 2.399 2.425 2.528 2. 67.50 47.7297 69.30 69.00 66.32 2.399 2.425 2.464 .528 70.50 69.00 48.7904 70.80 67.82 2.399 2.425 2.464 2.529 70.50 49.851o72.30 72.00 69.32 2 25 2.46:4 2 .529 2.400 400 .426 530 48 72.0050.9117 73.80 3.50 70.82 22 2. 22 465 2 49 73.50 51.9723 75.30 75.00 72.32 2.400 2.426 2,465 2.531 50 75.00 53,0330 76.80 76,50 73.82 2.400 2.426 2.466 2.531 78.30 54.0937 2.466 2. 76.50 78.00 75.32 2.400 2.426 .532 76.81 2.400 78.00 55.154379. 80 79.50 .427 22 466 2.532 o 2. 79.50 56.215o 81.30 81.00 78.31 2.400 2.427 2.467 533 5 54 81.00 57.2756 82.8o 82.50 79.81 2.400 2.427 2,467 2.533 55 82.50 58.3363 84.30 84.00 81.31 2.401 2.427 2.467 2.534 13
GB/T3478.4一2008 表6(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 56 84.00 59.397o 85.8o 85.50 82.81 2.401 2.427 2.468 2.534 56 57 85.50 60.4576 87.30 87.00 84.31 2.401 2.428 2.468 2.535 7 87.00 61.5183 88.8o 88.50 85.81 2.401 2.428 2.468 2. 535 5 58 59 88.50 62.5789 90.30 90.00 87.31 2.401 2.428 2.469 2.536 09 0 6o 90.00 63.6396 91.80 91.50 88.81 2.401 2.428 2.469 2.536 G1 91.50 64.7003 93.30 93.00 90.31 2.401 2.429 2.469 2.537 G2 62 65.7609 94.50 2.402 2.429 2.470 2. 538 93.00 94.80 91.81 6 G3 94.50 66.8216 96.30 96.00 93.31 2.402 2.429 2.470 2.538 6t 96.00 67.8822 97.80 97.50 94.81 2.402 2.429 2.470 22 ..538 64 65 97.50 65 68.9429 2.429 2.470 99.30 99.00 96.31 2.402 2.539 6 2. 66 99.00 70.0036 00.80 100,50 97.81 2.402 2.429 2.471 ..539 6 G7 2.471 2 100.50 71.064 02.30 102.00 99.31 2.402 2 430 2.540 8 68 72.1249 2.471 2 102.00 103.80 103.50 100.81 2.402 2 430 .540 103.5073.185 5 105.30 102.31 2.402 2 .54 2.172 2 105.00 430 105.00 1生2462 1o6.5o 103.81 2.402 2.472 106.8o .54 3 430 108.00 2.403 2.430 1o6.5075.3069 108.30 105.31 2.472 2 .542 108.00 109,5o 106,81 2.403 2,431 76.3675 109.80 22 472 2.542 22 111.30 111.00 08.31 2.403 2.431 543 109.5077.4282 2.473 111.00 78.4888 112.80 112,50 109,.81 2.403 2.431 473 2.543 22 112.5o 79.5495 14.30 114.00 111.31 2.403 2,431 22 544 2.473 76 114.00 80,6102 115,80 115,50 112,81 2.403 2.431 2,474 2.544 77 115,50 81.6708 117.30 117.00 114.31 2.403 2.432 2,474 2.544 117.00 82.7315 118.80o 118.50 115,.81 2.403 2 432 2.474 2.545 79 118,5o0 83.7922 2.403 2.432 2.474 120.30 120.00 117.31 2.545 2.475 8o 120,00 84.8528 121.80 121.50 118.81 2.404 2.432 2.546 8 121.50 85.9135 123.30 123.00 120.31 2. .404 2.432 2.475 2. .546 n 82 123,00 86.9741 2.432 2.475 82 124.80 124.50 121.81 2.404 2.547 83 83 124.50 88.0348 126,30 126.00 123.31 2.404 2.433 2.475 2.547 84 2.476 84 126.00 89,0955 127.80 127.50 124.81 2.404 2,433 2.547 85 85 2.476 127.50 2 2. 90.156l 129.30 129.00 126.31 2.404 433 .548 6 86 129.00 130.80 127.81 2.476 .548 2 2 91.2168 130,50 2.404 433 G7 87 92.277 132.00 129.31 .50 .30 2.477 .549 130 132 2.404 433 2 8 93.3381 133,5o 130. 433 8 88 132.00o 133.80 22 3 2.477 2 .549 404 133,5o 94.3988 135,00 2.405 2,434 2. 550 8 132.31 135.30 2.477 s 0 2. 135.00 954594 136.80 136,50 133.81 2.405 2.434 2.477 ..550 90 91 136,5o 96.5201 138.30 138.00 135.31 2.405 2.434 478 2.550 9 22 138.0097.580" 139,8o 139,50 136,81 2.405 2,434 2.551 92 2.478 92 98 s3 139,50 98,6414 141.30 141.00 138,31 2.405 2.434 2,478 2.551 4 141.00 99.7021 142.80 142.50 139.81 2.405 2.434 2,478 2.552 94 95 142.5o0 100.7627 144.30 144.00 141.31 2.405 2.434 2.479 2.552 5 96 144.00 101.8234 145.80 145.50 142.81 2.405 2.435 2.479 2.552 96 97 145,50 02.8840147.30 147.00 144.31 2.405 2.435 2.479 2.553 7 98 98 147.00 103.9447148.80 148,50 145,81 2.405 2.435 2.479 2.553 99 105.0054150.30 148,50 150.00 147.31 2.406 2.435 2.479 2.553 99 100 150,00 106.0660 151.80 151.50 148.81 2.406 2.435 2.480 2.554 00 14
GB/T3478.4一2008 表745°内花键 模数m=1.75mm作用齿槽宽最小值Eml=2.749 单位为毫米 mm 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 17.50 12.3744 19,60 19.25 16.20 2.786 2.808 2.842 2.898 1 11 19.25 13.6118 21.35 21.00 17.94 2.786 2.809 2.843 2.899 12 12 21.00 4.8492 23.10 22.75 19.68 2.787 2.810 2.844 2. .901 13 1 2.75 16.086724.85 2f.5o 21.2 22 787 ..902 2. 2.810 2.845 14 2.788 2.811 2.903 24.5017.3241 26.60 26.25 23.17 2.845 1 1 18.5616 28.35 28.00 24.91 2.788 2.811 2.846 2.905 15 26.25 l6 75 16 28.00 19.7990 30.10 29. 26.66 2.788 2.812 2.847 2.906 1 17 29.75 22 21.0364 31.85 31.50 28.40 2.788 2.812 2.848 .907 I a1.5022.2739 .789 33.6o 33. 30. 3 .908 1 .25 15 2.848 2. 2.813 I 1 23.5113 35.00 31.9o 2.789 2.813 2.849 2.909 33.25 35.35 20 35.00 24.7487 37.10 36.75 33.65 2.789 2.813 2. .850 2.910 20 36.75 25.9862 38.85 38.50 35.39 2.790 2.814 2.850 2.91 40.25 37.14 0.O0 8.5027.2236 2.790 2.814 2.851 2.912 0.2528.461o42.35 .790 852 38.89 22 2.815 2 .913 2.00 2. 2.0o2n.8st.I0 40,64 2.79o 2.815 2,914 43.75 2.852 43.75 30.9359 45.50 42.39 2.790 2.815 2.853 2.915 45.85 47.25 45.50 32.1734 47.60 44.13 2.791 2.816 2.853 2.916 47.25 49.35 .917 9.00 33,4108 45.88 2.791 2.816 2 .854 73 49.0034.648251.10 50. 47.63 2.791 2.816 22 .855 .918 35.8857 2.817 49.38 2.791 2.919 50.75 52.85 52. 2.855 80 54.25 52.50 37.1231 54.60 51.13 2.792 2.817 2.856 2.920 56.00 54.25 38.3605 56.35 52.88 2.792 2.817 2.856 2.920 58.10 57.75 2 .921 39,5980 2. 56.00 54.63 2.792 2.818 857 38 8354 2.818 2.857 o 57.75 59.85 59.50 56.38 2.792 2.922 8 s3 59.50 42.0729 61.25 58.13 2.792 2.818 2.858 2.923 61.60 5 s5 61.25 43.3103 63.35 63.00 59.88 2.793 2.819 2.858 2.923 36 65.10 75 44.5477 64 63.00 61.62 2.793 2.819 2.858 2.924 87 64.75 66.85 66.50 63.37 2. 2. 45.7852 2.793 2.819 ..859 .925 B 跳 2.820 2.859 2.926 47.0226 68. 2.793 66.50 68.60 25 65. 12 D 跳 68.25 48.260o 70.35 70.00 66.87 2.793 2.820 2.860 2.926 40 49.497 5 70.00 72.10 71.75 68.62 2.793 2.820 2.860 2.927 71.75 73.50 50,7349 73.85 70.37 2.794 2.820 2.861 2.928 75. 73.5051.9723 75.60 25 "2. 2 2 .928 2.794 2.821 2 .861 s 2.821 2.861 2. .929 75.2553.2098 77.35 77. w 73.87 2.794 78.75 54.4472 钱 77.00 79.10 75.62 2.794 2.821 2.862 2.930 78.75 55.6847 80.85 80.50 77.37 2.794 2.821 2.862 2.930 80.50 82.60 82.25 56.922l 79.12 2.794 2.822 2.863 2.931 82.2558.159 84.35 8A.0o 80.87 22 2.822 2 .932 2. .795 .863 2.822 2.863 2. 932 48 84.0059.3970 86.10 85. 75 82.62 2.795 49 85.75 60,6344 87.85 87.50 84.37 2.795 2.822 2.864 2.933 89.25 0 50 87.50 61.8718 89.60 86.12 2.795 2.823 2.864 2.933 89.25 87.87 91.35 63,1093 91.00 2.795 2.823 2.865 2.934 64.3467 823 2.865 2.795 91.00 93.10 92. 75 89.62 2. 2.935 5 92.75 65.5842 94.85 94.50 91.37 2.795 2.823 2.865 2.935 分 94.50 66,8216 96.6o 96.25 93.12 2.796 2.824 2.866 2.936 s4 55 55 96.25 68.0590 98.35 98.00 94.87 2.796 2.824 2.866 2.936 15
GB/T3478.4一2008 表7(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 56 98.00 69.2965 00.10 99.75 96.62 2.796 2.824 2.866 2.937 56 57 99.75 70.5339 101.85 101.50 98.37 2.796 2.824 2.867 2.938 7 101.5o 71.7713 03.60 103.25 100.12 2.796 2.825 2.867 2.938 5 58 59 103.25 73.0088 05.35 105.00 101.87 2.796 2.825 2.867 2.939 09 60 0 105.00 74.2462 07.10 106.75 103.61 2.796 2.825 2.868 2.939 G1 106.75 75.4836 08.85 108.50 105.36 2.797 2.825 2.868 2.940 61 82 76.7211 107.11 2.797 2. 108.50 ll0.60 110.25 2.825 2.868 ,940 63 l10.25 77.9585 l12.35 112.00 108.86 2.797 2.826 2.869 2.94 112.00 79.1960 ll4.10 113.75 1l0.61 2.797 2.826 2.869 2.94 64 65 113.75 80.4334 115.85 l12.36 l15.50 2.797 2.826 2.869 2.942 2. 66 l15.50 81.6708 117.60 117.25 114.11 2.797 2.826 2.870 .942 6 117.25 119.35 82.9083 l19.00 115,86 2.797 2.826 2. ..870 2.943 8 68 19,008A.l457 120.75 17.61 2.797 2.827 121.10 2. .870 .943 0 120.75.3831 122.85 122.50 119.38 2.798 2.827 2.871 2 .944 86.6206 124.25 121.11 2.798 2.827 2.871 122.50 124.60 .944 2 126.00 2.798 2.827 2.871 124.2587.858o 126.35 122.86 2， .945 126.00 89.0955 127.75 124.61 2.798 2.827 2.872 2.945 128.10 2. 90.3329 129.85 129,50 126.36 2.798 2.828 2.872 .946 127.75 129.50 91.5703 131.6o 131.25 128.11 2.798 2.828 2.872 2.946 131.25 92.8078 133.35 133,00 129,86 2.798 2.828 2. .873 2,947 76 133.00 94.0452 135.10 134.75 131.61 2.798 2.828 2.873 2.947 77 2. 134.75 95,2826 136,85 136,50 133,36 2.799 2.828 873 2.948 8 136,5o0 96.5201 138,60 138.25 135,11 2.799 2.829 2.873 2.948 2.799 2. .874 138.25 97.7575 l40.35 140.00 136.86 2.829 2.949 80 140,00 98.9949 142.10 141.75 138,61 2.799 2.829 2.874 2.949 8 141.75 100.2324 143.85 143.50 140.36 2.799 2.829 2.874 22 .950 n 82 82 101.4698145.60 142.1 143,50 145.25 2.799 2.829 2.875 2.950 83 83 145.25 02.707 147.35 147.00 143.86 2.799 2.830 2.875 2.950 84 148.75 84 147.00 103.944" 149,10 145,61 2.799 2.830 2.875 2.951 85 85 148.75 150.85 2.875 2. 05,182 150,50 147.36 2.800 2.830 .951 6 152.60 152.25 149.1m 2.876 .952 2. 150,50 106.4196 2.800 2.830 87 107.657o 150.86 ..876 152.25 154.35 154.0o .952 2.800 2 2.830 2. 8 108.894 2.8o0 154.00 156.10 155.75 152.61 2.830 2 .876 .953 2. 9 155.75 157,5o 154.36 2.831 2.877 2.800 2.953 89 10.1319157.85 0 90 2. 11.3693 159.6o 159.25 156.11 2.800 2.831 2.877 .954 157.50 91 159,25 112.6068 161.35 161.00 157.86 2.800 2.831 2.877 2.954 9 161.00113.8442163.10 162.75 159,61 2.80o 2.831 2.877 2,954 92 92 98 s3 162.75 115.0816 164.85 164.50 161.36 2.800 2.831 2.878 2.955 4 164.50 116,3191 166,60 166,25 163.11 2.800 2.831 2.878 2.955 94 95 166.25117.5565168.35 168.00 64.86 2.801 2.832 2.878 2.956 5 96 168.00 18.7939 170.10 169.75 166.61 2.801 2.832 2.878 2.956 0 97 169,75 20.031 171.85 171.50 168.36 2.801 2.832 2.879 2.956 7 98 98 171.50 121.2688173.60 173.25 170.1l 2.801 2.832 2.879 2.957 99 122.5062175.35 173,25 175.00 171.86 2.801 2.832 2.879 2.957 99 100 175,00 123.7437 177.10 176.75 173,61 2.801 2.832 2.879 2.958 00 16
GB/T3478.4一2008 表845°内花键 模数m=2" mm作用齿槽宽最小值Em=3.142mm 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 20.00 14.1421 22.40 22.00 18.51 3.18o 3,204 3.239 3.297 1 11 22.00 15,5563 24.40 24.00 20.50 3181 3.204 3.240 3.299 12 12 24.00 16.9706 26.40 26.00 22.49 3.181 3.205 3.241 3. .300 13 1 26.00 18 28.0o 2t 48 3.182 .302 .384828.40 .242 33 3.206 3. 14 3.182 3.206 3.243 3.303 28.00 19.799o30.40 30.00 26. 1 48 3 30.00 21.2132 32.40 32.00 28.47 3.182 3,207 3.243 305 15 l l6 16 32.00 22.6274 34.40 34.00 30.47 3.183 3,207 3.244 3.306 1 n7 6 33 34.00 24.041 36.40 36.00 32.46 3.183 3.208 3.245 .307 3.183 18 36.0o25.455 t 38.40 38.00 34.46 .308 1 3.208 3.246 3 I 1 38.00 26,.8701 36.46 3.184 3.209 3.247 3.309 40.00 40.40 42 20 40.00 28.2843 42.00 38.45 3.184 3,209 3,247 33 .311 20 .40 4.40 42.00 29.6985 44.00 40.45 3.184 3.210 3.248 3.312 31.1127 3. 44.00 46.00 42.45 3.184 3.210 .249 33 .313 46,40 3.21o 249 40 46.0032.5269 s 8.00 44.45 3.185 .314 3. 33 33,9411 50.00 3.185 3,211 3.250 3.315 48.00 50.40 46.44 35.3553 52.40 52.00 48.44 3.185 3.211 3.250 3.316 50.00 52.00 36.7696 54.40 54.00 50.44 3.185 3.212 3.251 3.317 54.o 38.1838 56.40 56.00 52.44 3.186 3,212 3.252 33 .318 186 3,212 56.0039.5980 58.40 58.00 5A.44 33 .252 .319 3. 3. 41.0122 60.00 3,213 58.00 3.186 3.253 3.319 60.40 56.44 3. 60.00 42.4264 62.40 62.00 58.43 3.186 3.213 .253 3.320 30 31 62.00 43.8406 64.40 64.00 60.43 3.186 3.213 3. .254 3.321 32 9 66.40 3.187 .322 82 45.254 66.00 .43 3. 64.00 3.214 3.254 38 8 187 3.214 3.323 66.o 46.6690 68.40 68.00 64.43 3.255 3. 8 s3 68.00 48.0833 70.40 70.00 66.43 3.187 3.214 3.255 3.324 72.40 5 s5 70.00 49.4975 72.00 68.43 3.187 3.215 3.256 3.324 50.9117 3.256 72.00 74.40 74.00 70.43 3.187 3.215 3.325 74.00 76.40 76.00 它 33 52.3259 .43 3.188 3.215 3.257 .326 B 3.188 3.216 3.327 74 76.0053.7401 78.40 78.00 43 3.257 8 78.00 55.1543 80.40 80.00 76.43 3.188 3.216 3.258 3.327 40 56.5685 82.40 82.00 78.43 3.216 80.00 3.188 3.258 3.328 82.00 57.9828 84.40 84.00 80.43 3.188 3.217 3.259 3.329 I.59.39708n.0 86.00 82. 42 217 3.189 3. 3.259 3 .330 s 48 3.189 3.217 3.26o0 33 330 86.0060.811 2 88.40 88. 84. 42 62.2254 90.00 3.217 钱 88.00 90.40 86.42 3.189 3.260 3.331 90.00 63,6396 92.40 92.00 88.42 3.189 3.218 3.260 3.332 92.00 65.0538 94.40 94.00 90.42 3.189 3.218 3. .261 3.332 94.0 66.468o 96.40 96.0o 92.2 3.261 .333 3.218 33 3.189 98,40 98.00 3.19o 3.218 3.262 3 .334 96.00 67.8822 9A.42 98.00 69.2965 100.40 100.00 96.42 3.190 3,219 3.262 3.334 50 0 100,00 70.7107 l02.40 102.00 98.42 3.190 3.219 3. .262 3.335 72.1249 104.40 100.42 102.00 104.00 3.190 3.219 3.263 3.336 73.5391 lo6 3.19o 3.219 .26 106.00 104.00 40 102.2 .336 3. 3. 33 106.00 774.9533 08.40 108.00 104.42 3.190 3.220 3.264 .337 5 54 108.00 76.3675 110.40 110.00 106,42 3.191 3,220 3.264 3.337 55 1l0.0077.7817 112.40 112.00 l08,42 3.191 3.220 3.264 3.338 17
GB/T3478.4一2008 表8(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 3 56 112.00 79.196o 1l4.40 114.00 110.42 3.191 3.220 3.265 339 56 57 114.00 80.6102 1l6.40 116.00 112.42 3.191 3.221 3.265 3.339 7 116,00 82.024 4 18.40 118.00 114.42 3.191 3.221 3.265 3 340 5 58 59 59 118.00 83.4386 120.40 120.00 116.42 3.191 3.221 3.266 3.340 60 60 120.00 84.8528 122.40 122.00 118.42 3.191 3.221 3.266 3.341 G1 122.00 86.2670 124.40 124.00 120.42 3.192 3.222 3.267 3.342 62 62 126.40 122.42 3.222 3.267 124.00 87.6812 126.00 3.192 3.342 63 126.00 89.0955 128.40 128.00 124.42 3.192 3.222 3.267 3.343 128.00 90.5097 130.40 130.00 12642 3.192 3 222 3. .268 3.343 64 d 65 130.00 91.9239 132.40 3.222 3. 132.00 128,42 3.192 .268 3.344 3. 33 66 132.00 93.3381l 134.40 134.00 130.42 3.192 3,223 .268 .344 134.00 94.7523 136,40 136.00 132.42 3.192 3,223 3.269 3.345 68 .345 136.00 96.1665 138.40 138.00 134.41 3.193 3.223 3.269 33 193 3.223 69 138.00 97.5807 136. .269 .346 1 3 3. 140.40 140.00 3. 140.00 98.9949 142.40 142.00 138.41 3.193 3.224 3.270 .346 3， 142.00 100.4092 144.00 140.41 3.193 3.224 3.270 144.40 3 .347 144.00 1o1.823 146,40 146,00 142.41 3.193 3,224 3,270o 33 .34？7 33 146.00 103.237 148.40 148.00 144.41 3.193 3.224 3.271 348 3 148.00 104.6518 150,40 150.00 146,41 3.193 3.224 ..271 3.348 150.00106.066o152.40 152.00 148.41 3.193 3,225 3.271 3.349 76 152.00 107.4802 154.40 154.00 150,41 3.194 3,225 3.272 3.349 77 3. 3 154.00 108.8944 156,40 156,00 152.41 3.194 3,225 .272 350 156,00 110.3087 158.40 158.00 154.41 3.194 3.225 3.272 3.350 79 160.40 156.41 3.225 3.272 158.00 ll1.722 160.00 3.194 3.351 8o 160,00 13.137 162.40 162.00 158.41 3.194 3.226 3.273 3.351 8 162.00 1l4.551 164.40 164.00 160.41 3.194 3.226 3.273 3.352 n 82 164.00 115.9655 166,40 166.00 162,41 3.194 3.226 3.273 3.352 82 83 166.00 117.3797 168,40 168.00 16441 3.194 3.226 3.274 3.353 85 84 84 168.00 18.7939 170,40 170.00 166.41 3.195 3.226 3. .274 3.353 85 85 3.2714 120.2081 172.40 3,226 33 170,00 172.00 168,41 3.195 .354 6 195 86 172.00 174.40 170.相 3.227 3.275 e. 622 33 174.00 3， .354 G7 87 123.0366 176,40 176.00 172.41 3.195 3.227 174 .275 .355 ,00 3 3 8 176.00 124.4508 178,40 178,00 3.195 3,227 88 174.41 3.275 3 .355 9 89 178.00 125.8650 180,40 180,00 176,41 3.195 3,227 3,275 33 356 0 90 3 180.00 127.2792 182.40 182.00 178.41 3.195 3.227 3.276 .356 91 91 182.00 128.693 184.40 184.00 180.41 3.195 3.228 3.276 3.357 184.00 130.1076 186.40 186,00 182.41 3.195 3,228 3.276 3 357 9 92 93 186.00 131.521 188,40 188,00 184.41 3.196 3,228 3.277 3.358 8 4 3. 3 94 188.00 132.936 190,40 190.00 186.41 3.196 3,228 .277 358 95 190,00 134.3503192.40 192.00 188.41 3.196 3.228 3.277 3.358 5 96 192.00 135.7645 194.40 194.00 19041 3.196 3.228 3.277 3.359 0 97 194.00 137.1787196,40 196.00 192.41 3.196 3.229 3.278 3.359 7 98 98 196,00 138.5929 198.40 198.00 194.41 3.196 3.229 3.278 3.360 99 198,00 140.007 200.40 200.00 196,41 3.196 3.229 3.278 3.360 99 100 200,00 41,4214202.40 202.00 198,41 3.196 3.229 3.278 3.361 00 18
GB/T3478.4一2008 表945°内花键 模数m=2.5mm作用齿槽宽最小值E,l=3.927 单位为毫米 mmm 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 Emm=Emn(T十A) 直径 直径 D. 止圆直径 D D D 圆齿根 Dnmimn 4H 5H 6H 7H 10 10 17.6777 28.00 27.50 23.14 3.969 3,994 4.032 4.095 25.00 1 11 27.50 19,4454 30.50 30.00 25.62 3.969 3.995 4.033 4.097 12 12 30.00 21.2132 33.00 32.50 28.ll 3.970 3.995 4.034 4 .098 13 1 32.5022.981o35.50 30. 3.970 60 4. 35.00 3.996 4.035 100 14 37.50 3.971 3,997 4.036 4.101 35.0024.7487 38.00o 33.1o 1 4！ 15 37.50 26,5165 40,50 40.00 35.59 3.971 3,997 4.037 103 15 l6 16 40.00 28.2843 43,00 42.50 38.08 3.97 3,998 4.038 4 .l04 1 n7 4 42.50 30,.0520 45,50 45.00 40.58 3.972 3.998 4.039 106 18 45.031.819 48.0o 7.50 43.07 .972 .107 1 8 3 3.999 4.039 I 33.5876 50.50 50.00 45.57 3.972 3,999 4.040 4.108 47.50 20 50.00 35.3553 53.00 52.50 48.07 3.973 4.000 4.041 4. 109 20 4！. 52.50 37.1231 55.50 55.00 50.56 3.973 4.000 4.042 .l11 5.00 0 4！ 38.8909 58.00 57. 53.06 3.973 4.001 4.042 l12 7. 6586 .50 60.50 60.00 55.56 .973 4.001 4.043 .113 40. 3. 42.4264 58.05 3.974 4.002 4.044 4.114 60.00 63.0o0 62.50 62.50 44.1942 65,50 65.00 60.55 3.974 4.002 4.044 4.115 65.00 45.9619 68.00 67.50 63.05 3.974 4.003 4.045 4.l16 67.50 70.00 65.55 3.975 .117 47.729770.0 4.003 4.046 4. 8 4.046 70.00 49.497 73.0o0 72.50 68.05 3.975 .118 5 4.003 4， 51.2652 4.004 4.047 4.119 75.50 70.54 3.975 72.50 75.0o 0 53.0330 78.00 77.50 73.04 3.975 4.004 4.048 4.120 30 75.00 7.50 31 54.8008 80.50 80.00 75.54 3.975 4.005 4.048 4.121 32 83.00 82.5o 78.04 .122 56,5685 80.00 3.976 4.005 4.049 38 8 4.005 3.976 82.5058.3363 85.50 85.00 80.54 .123 4.049 4， 8 4 s3 85.00 60.1041 88.00 87.50 83.04 3.976 4.006 4.050 .124 5 s5 87.50 61.8718 90.50 90.00 85.54 3.976 4.006 4.050 4！. 124 63.6396 92.50 4.051 4！. 90.00 93.00 88.04 3.977 4.006 125 92.50 3.97m 126 4 4. 65,4074 95.50 95.00 90.53 4.007 .051 B 4！ 67.1751 3,977 4.007 4.052 93.03 95.00 98.00 97.50 .127 S 97.50 68.9429 00.50 100.00 95.53 3.977 .007 4.052 4.128 70.7107 02.50 4.053 4！. 40 100.00 03.00 98.03 3.977 4.008 129 72.4784 4n 102.50 105.50 105.00 00,53 3.978 4.008 4.053 4.129 .978 42 105.0074.2462 107.50 103.03 008 .130 Oo 08. 3. 4 4. .054 4. 4 3.978 4.009 4.054 4！ 107.5076.01 40 110.50 10.00 105.53 .131 4 77.7817 113.00 4.009 4.055 钱 110.00 112.50 108.03 3.978 4.132 45 112.50 79,5495 l15.50 115.00 10,53 3.978 4.009 4.055 4.132 4t l15,00 81.317 3 l18.00 117.50 ll3.03 3.979 4.009 4.056 4.133 4n .979 117.50 83.085o120.50 120.00 15.53 .134 4. 3. 4.010 .056 120.00 84.8528 123.00 122.50 118,03 4.01o 4.057 3.979 .135 4 122.50 866206 125.50 125.00 120,53 3.979 4.010 4.057 4.135 0 50 125,00 88.3883 128.00 127.50 23,03 3.979 4.01l1 4.058 4.136 .137 51 4.058 127,50 90,1561 130,50 130,00 25,53 3.979 4.011 91.9239 133 3.98o 4.01m 4.058 82 132. 130.00 50 128.02 .137 .00 132.5o 93.6916 135.50 135.00 130.52 3.98o 4.011 4.059 4.138 5 54 135.00 95,4594 138.00 137.50 133.02 3.98o 4.012 4.059 4.139 s4 55 55 137,5097.2272 40,50 140,00 135,52 3.98o 4,012 4.060 4. 139 19
GB/T3478.4一2008 表9(续 单位为毫米 实际齿槽宽最大值 分度圆 基圆 大径 渐开线终 齿数 小径 齿数 E=E+T十) 直径 直径 止圆直径 D D D D 圆齿根 D 4H 5H 6H 7H 56 140.00 98.9949 143.00 142.50 138.02 3.98o 4.012 4.060 4.140 56 57 142.5o 00.7627 145.50 145.00 140.52 3.98o 4.012 4.061 4.141 7 145,00 102.5305 148.00 147.50 143.02 3.981 4.013 4.061 4.14n 5 58 59 147.50 104.2982 150.50 150.00 145.52 3.981 4.013 4.061 4.142 09 60 4！ 0 150.00 106.0660 153.00 152.50 148.02 3.981 4.013 4.062 143 Gn 152.5o0 107.8338 155.50 155.00 150.52 3.981 4.014 4.062 4.143 61 62 62 157.50 4.063 4.l44 155.00 109.601 158.00 153.02 3.981 4.014 63 157.50 ll.3693 160.50 160.00 155.52 3.981 4.014 4.063 4.145 160.00 113.137 163.00 162.50 158.02 3.982 4.014 4.063 4！ 145 64 65 162.50 1l4.9048 4.064 165.50 165.00 160,52 3.982 4.014 4.146 4. 4！ 66 165.00 116.6726 168.00 167.50 163,02 3.982 4.015 .064 146 6 .14？7 167.50 118.4404 170.50 170.00 165.52 3.982 4.015 4.064 8 170.00120.2081 173.00 172.50 982 .148 68.02 33. 4.015 4 .065 4. 0 3.982 172.50121.9759175.50 175.0o0 170.52 .148 4.015 4.06s 0 123.7437 178.00 177.5o 173.02 3.982 4.066 175.00 4.149 4.016 1 180.00 3.983 4.016 4.066 177.50125.5114 180.50 175.52 4 149 2 180.00127.2792183.00 182,5o 178.02 3.983 4.016 4.066 4.15o 182.50 129.047o 185.50 185.00 180.52 3,983 4.016 4.067 4.150 185.00 130.8147 188.00 187.50 183.02 3.983 4.017 4.067 4.151 187.50132.5825190.50 190.00 85,52 3.983 4.017 4.067 4！ 152 76 4！ 190.00 134.3503 193,00 192.50 188,02 3.983 4.017 4.068 152 77 4！ 192.50 136.118 195,50 195.00 190,52 3.983 4.017 4.068 153 195.00 137.8858 198.00 197.50 193,02 3.984 4.017 4.068 4.153 79 197.50 139,6536200.50 4.069 4！. 154 200.00 195.52 3.984 4.018 8o 200,00 41.421 203.00 202.50 198,02 3.984 4.018 4.069 4.154 8 B 202.50 143.189 205.50 205.00 200.52 3.984 4.018 4.069 4！. 155 82 144.9569208.00 4.070 4！. 205,00 207.50 203.02 3.984 4.018 155 82 83 83 4！. 207.50 146,7247 210.50 210.00 205.52 3.984 4.019 4.070 156 84 8 210,00 148,4924 213.00 212,50 208.02 3.984 4.019 4.070 4.156 85 85 .157 4 212.50 150.2602215.50 215.00 210.51 3.984 4.019 .071 6 86 215,0o152. 217.50 157 0280 4.019 4.on 4. 218.00 213.01 3,985 G7 87 220.00 215.51 3,985 ,071 217.50 220.50 .158 153.7957 4.019 4. 8 155,5635223.00 222,5o 218.01 3.985 4.072 220.00 4.020 .158 157.3313 225,50 225,00 220,51 4.020 4.072 4.159 8 80 222.5o 3.985 0 225,00 159.099o 228.00 227.50 223.01 3,985 4.020 4.072 4.159 90 91 227.5o 160.8668230.50 230.00 225.51 3.985 4.020 4.073 4！ 160 91 230.00 162.634 233.00 232.5o 228.01 3.985 4.020 4.073 4.16o 92 92 98 s3 232.50 164.4023235.50 235.00 230.51 3.985 4.021 4.0733 4.161 4 4！ 235.00 166.170 238.00 237.50 23301 3.986 4.021 4.074 .161 94 95 237.50167.9379240.50 240.00 235.51 3.986 4.021 4.074 4.162 5 4！. 96 240,00 169.7056243.00 242.50 238.01 3.986 4.021 4.074 162 96 97 97 242.50 171.4734245.50 245.00 240.51 3.986 4.021 4.074 4.163 98 98 245,00 173.2412248.00 247.50 243.01 3.986 4.022 4.075 4！. 163 99 175.0089250.50 4.022 4.075 247.50 250.00 245.51 3.986 4.164 99 100 250,00 176.7767 253.00 252.50 248.01 3.986 4.022 4.075 4.164 00 20
GB/T3478.4一2008 表1045"外花键 模数m=0.25mm作用齿厚最大值sm=0.393mm 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm一T十A) 直径 直径 始圆直径 D. D. D D Dpmm 圆齿根 5h 6h 7h 4h 10 10 2.50 1.7678 2.70 2.26 2.20 0.373 0,362 0,344 0.315 2.75 2.95 11 11 1.9445 2.51 2.45 0.373 0.361 0.344 0.315 12 3.00 2.121 3 3.20 2.76 2.70 0.373 0.361 0.343 0.314 12 1: .25 2. 2981 45 .95 .373 0.313 l 0 0.343 33. 2. 3. 3.01 0.361 1 14 3.20 0.373 0.361 0.343 0.312 3.50 2.4749 3.70 3.26 3. 15 2.6517 .45 0.372 0,360 0,342 0.312 15 3.75 3.95 3.5T l6 4.20 16 3.76 4.00 2.8284 3.70 0.372 0,360 0.342 0.31 1 17 4.25 3.0052 4.45 4.01l 3.95 0.372 0.360 0.34l 0.311 182o 0.372 31o 4.50o 4.70 .26 4.20 1 0.360 0.341 0 l 3. 19 3.3588 4.51 4.45 0.372 0.359 0.341 0.309 4.75 4.95 20 5,00 3.5355 5.20 4.76 4.70 0.372 0.359 0.340 o. 309 20 品.5 5.25 3.7123 5.01 4.95 0.372 0.359 0.340 0.308 70 5.50 3.8891 5， 5.26 5.20 0.372 0,359 0.340 0.308 4.0659 0.371 5 .75 5 95 5.51 5 .45 0.359 0.339 0 .307 4.2426 5.76 5.70 0.371 0,358 0.339 0.307 6.o0 6.20 6.25 4.4194 6.01 5.95 0.371 0.358 0.339 0.307 60 45 6.50 6.70 4.5962 6.26 6.20 0.371 0.358 0.339 0.306 6.75 95 4.7730 6. 6.50 6.45 0.371 0,358 0. .338 0.306 8 4.9497 0.371 0,358 0,338 0.305 7 .00o 77 20 6.75 .70 6， 5.1265 7.00 0.371 0,358 0.338 6.95 0.305 7.25 7.45 5.3033 7.25 7.20 0.371 0.357 0.338 0.304 30 7.50 了.70 7.95 言5 5.4801 7.50 7.45 0.371 0.357 0.337 0.304 8.00 8.20 7.75 .70 7. 0. 0.304 5,6569 0.370 0.357 .337 38 8336 8.00 0.370 0.357 0,337 0,303 .25 57 7.95 8 8. 5 8.50 6.0104 8.70 8.25 8.20 0.370 0.357 0.337 0.303 s4 5 s5 8.75 6.1872 8.50 8. 45 0.370 0.357 0.336 0.302 8.95 9.20 6.3640 0.356 9,00 8.75 8.70 0.370 0.336 0.302 .25 45 0.356 9 9 8. 6,5407 9， .00 95 0.370 0.336 0.302 B 7175 0.37o 0.356 0.336 0.301 6 .50 .70 9.25 9. .20 " 9 8 9.75 6.8943 9.95 9.5o 9.45 0.370 0.356 0.335 0.301 40 7.0711 10.20 0.356 10.00 9.75 9.70 0.37o 0.335 0.301 10.25 7.2478 10.45 10.00 9.95 0.370 0,356 0.335 0.300 42 10.50 7. 10.70 25 10.20 0.370 0.356 4246 10. 0,335 0 .300 s 6014 0.369 0.356 0.335 0.300 0.75 77 10.95 10. 10.45 50 7.7782 0.355 0.334 钱 11.00 10.75 10.70 0.369 0.299 11.20 1n 1l.25 7.9550 11.00 10.95 0.369 0.355 0.334 0.299 .45 .70 1. 1.25 ll.50 8.1317 l1.20 0.369 0.355 0.334 0.299 0.355 &.3085 l.75 1.95 1.50 l.45 0.369 0.299 0.334 48 8.4853 0.369 0.355 0.334 o. 298 12.00 12.20 1. 75 1.70 48 8 12.25 8.6621 12.45 12.00 11.95 0.369 0,355 0.333 0.298 12.25 50 0 12.50 8.8388 12.70 12.20 0.369 0.355 0.333 0 298 12.75 12.95 12.50 9.0156 12.45 0.355 0.297 0.369 0.333 9.1924 0.354 0.297 5 13.00 13.20 12. 12.70 0.369 0.333 13.25 9.3692 13.00 12.95 0.369 0.354 0.333 0.297 53 13.45 5 s4 13.50 9.5459 13.70 13.25 13.20 0.369 0,354 0.333 0,297 55 55 13.75 9.7227 13,95 3.50 13.45 0.369 0,354 0.332 0.296 21
GB/T3478.4一2008 表10(续 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm-(T十A) 直径 直径 始圆直径 D D. D D Demm 圆齿根 5h 6h 7h 4h 8995 0.296 56 75 13.70 56 0.369 0,354 0.332 14.00 9.8 14.20 13. 14.25 10,0763 14.00 0.368 0.354 0.332 0.296 14.45 13.95 57 57 14.50 10,253o 14.70 14.25 14.20 0.368 0,354 0.332 0.295 58 8 14.75 l0.4298 14.95 4.50 14.45 0.368 0.354 0.332 o 295 59 5雨 60 75 14.70 6o 15.00 10.6066 15.20 l4. 0.368 0,354 0.332 0.295 6 Gr 0.295 15.25 10. 15.45 5.0o 14.95 7834 0.368 0.353 0.331 C8 e2 .9602 0,368 0.353 0.331 0.294 15.50 10 15.70 15 .25 15.20 63 15.75 1.1369 15.95 5.50 15.45 0.368 0.353 0.331 0.294 63 15.75 Gt 16.00 11.3137 16.20 15.70 0.368 0.353 0.331 0.294 64 16.25 16.45 16.00 15.95 65 65 11.4905 0.368 0,353 0.331 0.294 6 66 16.50 1n. ..667316.70 16. 25 16.20 0.368 0.353 .293 0,331 0. 6 .844o 0.368 0.353 0.331 o. 293 G7 16.75 1n. 16.95 16. 16.45 50 68 16.75 68 17.00 12.0208 16.70 0.368 0.353 0.330 0.293 17.20 69 17.5 17.25 12.197 6 17.00 16.95 0.368 0.353 0.330 0 .293 69 70 17.50 12.374417.70 17.25 17.20 0.368 0,353 0.330 0.293 12.551117.95 0.368 0.353 0,292 7 17.75 7.50 17.45 0.330 o 0.368 0.352 0.330 292 18.00 12.7279 18.20 17.75 17.70 18.25 12.9047 18.45 18.00 17.95 0.367 0.352 0.330 0.292 18.70 18.25 18.50 13.081 5 18.20 0.367 0.352 0.330 0.292 75 18.75 18.95 0 18.45 0.352 0.291 13.2583 18. 0.367 0.329 0.367 0.352 0.329 0.291 19.00 13.4350 19.20 18. 18.70 75 7 8 m 19.25 13.611 19.00 18.95 0.367 0.352 0.329 o .291 10. .45 78 19.25 8 19.50 13.7886 19.70 19.20 0.367 0.352 0.329 0,291 9 19,75 13.9654 19.45 0,352 19.95 19.50 0.367 0.329 0.290 80 80 20.00 20.20 19. 75 19.70 4.142" 0.367 0.352 0,329 0.290 8 8n .3189 0.367 0.352 0.329 0,290 心 20.25 20.45 20.00 19.95 82 82 14.4957 20.2o 0.367 0.352 0.328 o. 29o 20.50 20.70 20. 25 20.75 8 20.50 0.351 83 14.6725 20.95 20.45 0.367 0.328 0.290 84 75 84 14.8492 21.20 20. 20.70 0.367 0.351 0.328 0.289 21.00 8E 85 21. .25 15.026o21.45 21.0o 20.95 0.367 0.351 0.328 0.289 0.367 0.351 0.328 0.289 8 86 21 l.50 15.2028 21.70 21. .25 21.20 87 21.50 0.367 0,351 0.328 o 289 G7 21. .75 15.3796 21.95 21.45 21. 75 8 15,5563 22.20 21.70 0.367 0.351 0.328 0.289 8 2.00 8 2.25 89 15.733" 22.45 22.00 21.95 0.367 0.351 0.328 0 .288 0 0 2.50 15 22. 25 22.20 0.367 .327 0.288 .909g22.70 0 0,351 0.367 0,351 0,327 91 91 2 0.288 2.7516.0867 .95 22.45 22.50 2 2 16,2635 22. 0.366 0,351 0.327 0.288 23.00 22.70 23.20 7 23，5 23.00 93 23.25 22.95 贝 16,4402 0.366 0,351 0.327 0.288 94 23.70 94 2 16.6170 0.351 23.50 23. 23.20 0.366 0.327 0.287 0.327 5 5 23.75 16.793 23.95 23.50 23.45 .287 0.366 0.351 0. 6 96 16,9706 23.70 0.366 0.350 0.327 0.287 24.00 24.20 23. 76 97 97 24.25 17.1473 24.45 24.00 23.95 0.366 0.350 0.327 o. .287 98 24.25 98 0.350 24.50 17.3241 24.70 24.20 0.366 0.326 0.287 9 99 24.75 17.5009 24.95 24.50 24.45 0.366 0.350 0.326 0.287 25.o0 17.6777 24.75 24.7o 10o 100 25.20 0.366 0.350 0.326 0.286 22
GB/T3478.4一2008 表1145"外花键 模数m=0.5mm作用齿厚最大值sm=0.785mm 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm一T十A) 直径 直径 始圆直径 O D. D D Dpmm 圆齿根 5h 6h 7h 4h 10 10 5,00 3.5355 5.40 4.53 4.40 0.761 0,746 0,724 0.688 1 11 5,50 3.8891 5.90 5.02 4.90 0.761 0.746 0.724 0.687 12 12 6.00 4.2426 6.40 5.52 5.40 0.761 0.746 0.723 0.686 13 1 6.50 6.02 0.723 .68s . 4.5962 6.90 .90 0.760 0.745 0. 14 4.9497 6.52 6.40 0.76o 0.745 0,684 7.0o .722 1 77 40 0. o. 15 7.50 5.3033 7.90 7.02 6.90 0.76o 0,745 0.722 683 15 l6 16 8,00 5.6569 8.40 7.52 7.40 0.760 0,744 0.721 0.683 1 n7 0 8,50 6.0104 8.90 8,02 7.90 0.759 0.744 0.721 .682 0,759 18 .00 8.51 .720 .681 1 0 o 0.744 0. 0. 9. 6.3640 9. 8. I 9,50 6.7175 9.90 9.01 8.90 0.759 0.743 0.720 0.680 20 10.00 7.0711 10.40 9. .51 9. .40 0.759 0.743 0.719 o. 68o 20 10.50 7.4246 10.90 10.01 9.90 0.759 0.743 0.719 0.679 10.51 l1.00 7.7782 l1.40 10.40 0.759 0.743 0.719 0.678 ,758 0.742 1. 1.50 1317 1.90 0 10.90 0 0." 718 .678 e 0. 4853 0.758 0.742 12.00 8 12.40 1.51 1.40 0.718 0.67 12.50 8.8388 12.90 12.01 1l.90 0.758 0.742 0.717 0.677 13.00 9.1924 13.40 12.51 12.40 0.758 0.742 0.717 0.676 13.50 13.90 13.01 12.90 0.717 0.675 9.5459 0.758 0.741 8 8995 0,74l 0.675 14.00 9 14.40 13. 51 13.40 .758 716 0 0 0.74 0,716 10,253o 13.90 0.758 0,674 14.50 14.90 14.01 15.00 10.6066 15.40 14.51 14.40 0.758 0.741 0.716 0.674 30 31 15.90 15.50 10.9602 15.01 14.90 0.757 0.74l 0.715 0.673 32 51 15.40 1l.3137 16,40 0,740 0.715 0.673 16.00 15. 0,757 38 38 6673 0.740 16.50 1n. 16.90 16. 15.90 .757 0.715 .672 01 0 0， 8 s3 16.51 16.4o 0.757 0.74o 0.714 0.672 17.00 12.020817.40 心 s5 17.50 2.374 4 17.90 7.01 16.90 0.757 0.740 0.714 0.671 36 17.40 0.740 0.671 18.00 12.7279 18.40 17.51 0.757 0.714 87 17.90 01 0.739 13.081518,.0 18,50 18. 0,757 0,714 0,671 B 8 0,757 0.739 0.670 13.4350 18. 19.00 19.40 51 18.40 0. 713 380 8 19.50 13.7886 19,90 19.01 18.90 0.756 0.739 0.713 0.670 40 14.1421 19.51 19.40 0.739 20.40 0.756 0.713 0.669 20.00 20.90 0.5o0 14.4957 20.01 19.90 0.756 0,739 0.713 0.669 21. 42 .00 14.849221.40 20.51 20. 40 0.756 0.739 0.712 0. .668 a1. s 0.756 0.738 o. 668 1. .5O0 15 .2028 .90 21. .01 20.90 0. 712 0.738 0.712 0.668 钱 15.5563 0.756 2.0o0 22.40 21.51 21.40 22.50 0. 15.9099 22.90 22.01 21.90 0.756 0.738 .712 0,667 22.51 22.40 23.00 16.2635 23.40 0.756 0.738 0.71l 0.667 3. .50 16 617o23.0 23. .01 22.90 0.756 0.711 0.666 0.738 0.756 0.738 o. 666 48 2A .00 16.9706 24.40 23. 51 23. 40 711 0 49 24.50 17.3241 23.90 0.755 0,737 0,711 0.666 24.90 24.01 0 50 17.6777 25.40 24.51 24.40 0.755 0.737 0.710 0.665 25.00 25.50 25,.90 25.01 24.90 2 0.737 0.665 8.031 0.755 0.710 0.737 0,710 26.00 18 384826.40 5.50 25.40 0.755 .665 0 5 o. 18.7383 26.90 26.00 25.90 0.755 0.737 0.710 .664 26.50 st s4 27.00 19,0919 27.40 26.50 26.40 0.755 0,737 0,709 0,664 55 55 27.50 9,4454 27.90 27.00 26.90 0.755 0,737 0.709 0.663 23
GB/T3478.4一2008 表11(续 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm-(T十A) 直径 直径 始圆直径 D D. D D Da 圆齿根 FemaX 5h 6h 7h 4h 28.40 27.50 27.40 0.755 0.736 0.709 0.663 56 28.00o 19.799o 56 28.50 20.1525 28.90 28.00 27.90 0.755 0.736 0.709 0.663 5 7 20.5061 29.40 28.50 28.40 0.755 0.736 0.709 o. 662 5 29.00 58 59 20.8596 29.50 29.90 29.00 28.90 0.755 0.736 0.708 0.662 09 0 6o 30.00 21.2132 30.40 29.50 29.40 0.754 0.736 0.708 0.662 G1 30.50 21.5668 30.90 30.00 29.90 0.754 0.736 0.708 0.661 6r G2 62 31.00 21.9203 31.40 30.40 0.754 0.736 30.50 0.708 0.661 6 G3 31.50 22.2739 31.90 31.00 30.90 0.754 0.736 0.708 0.661 6t 32.00 22.6274 32.40 31.50 31.40 0.754 0. 735 0.707 0. .660 64 65 32.5022.981o 65 735 32.90 32.00 31.90 0.754 o 0.707 0.660 6 66 5 0. 33.00 23.334 33.40 32.50 32.40 0.754 0.,735 0.707 .660 G7 G 23.6881 33.90 33.50 33.00 32.90 0.754 0.,735 0.707 0.660 8 68 24.0416 3.50 0 0.735 .707 34.00 34.40 33.40 0,754 0 .659 69 L.502L.385 2 34.90 33.90 0.754 0.735 34.00 0.706 0.659 0 "0 0,754 0.735 0.706 0.659 35.0o24.7487 35.40 34.50 31.40 1 0,754 0.735 0.658 35.5025.102335.90 5.00 34.90 0. .706 2 35,50 35.40 0.754 0,734 0,706 o. 658 36.0025.4558 36.40 7 36,90 36.00 35,90 0.753 0.734 0.706 0.658 36.5025.8094 7 26.1629 37.40 36,50 36,40 0.753 0.734 0.705 0,657 37.00 26.5165 37.90 37.00 36.90 0.753 0.734 0.705 o. .657 37,.50 38.00 26.8701 38.40 37.50 37.40 0.753 0,734 0,705 0,657 o. 38.50 27.2236 38.90 38.00 37.90 0.753 0,734 0,705 .657 38 78 39.00 27.5772 39.40 38,50 38.40 0.753 0.734 0.705 0.656 0 0.734 0.705 39.50 27.9307 39.90 39,00 38.90 0.753 0.656 80 80 40.00 28.2843 40,40 39,50 39.40 0.753 0.734 0.704 0.656 81 8 40.50 28.637 8 40,90 40,00 39.90 0,753 0. 733 0. .704 0. 655 8 28.9914 41.40 40.40 733 41.00 40.50 0.753 o 0.704 0.655 82 88 41.50 29.3449 41.90 41.00 40.90 0.753 0,733 0.704 0.655 85 84 84 42.00 29,6985 42,40 41.50 41.40 0.753 0,733 0.704 0.655 85 85 42.90 0.733 30,0520 41.90 0,753 0.704 0 42.50 42.00 .654 60 6 2.50 0.733 0. 43.00 30,4056 43,40 42.40 0,753 0.703 .654 G7 87 .90 0,753 43.5030.759143.90 3.00 .654 0.733 0.703 0 N 8 44.0031.112744.40 3.50 43. 40 0 .752 0 703 0 .654 0.733 9 43.90 0.752 0,733 0,703 o. 653 80 4.5031.4663 44.90 4.00 0 0.752 0.732 0.703 0.653 45.0031.8198 4.50 44.40 90 45. 40 n1 91 45.50 32.1734 45,90 45.00 44.90 0.752 0.732 0.703 0.653 32.5269 46.40 45.50 0.752 0.732 0.702 0.653 92 46.00 45.40 92 93 46.50 32.8805 46,90 46.00 45,90 0.752 0,732 0,702 0.652 8 4 o. 47.00 33.234o 47.40 46,50 46.40 0.752 0,732 0,702 .652 94 95 95 47.50 33.5876 47.90 47.00 46.90 0.752 0.732 0.702 0.652 96 48.00 33.9411 48,40 47.50 47.40 0.752 0.732 0.702 0,652 96 97 97 48.50 34.2947 48,90 48.00 47.90 0.752 0.732 0.702 0,651 98 98 49.00 34.6482 49.40 48,50 48.40 0.752 0.732 0.701 0,651 99 99 48.90 0.732 0,651 49.50 35.0018 49.90 49,00 0.752 0.701 100 50.00 35.3553 50.40 49.50 49,40 0.752 0.731 0.701 0,651 00 214
GB/T3478.4一2008 表1245"外花键 单位为毫米 模数m=0.75mm作用齿厚最大值s,=1.178mm 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm一T十A) 直径 直径 始圆直径 O D. D D Dpmm 圆齿根 5h 6h 7h 4h 10 10 7.50 5.3033 8.10 6.79 6.60 1.150 1.133 1.108 1.066 1 11 8,25 5.8336 8.85 7.54 7.35 1.150 1.133 1.108 1.065 12 12 9.00 6.3640 9.60 8.28 8.10 1.150 1. l32 1.107 1.064 1 9 .75 10.35 8.85 .063 l 1. 6.8943 9.03 1.149 1.132 1.106 14 1 9.78 9.60 1.149 1.132 1.106 .062 10.50 7.4246 11.10 1 1 11.25 7.9550 11.85 10. 10.35 1.149 1 131 1.105 1.061 15 58 l6 1.227 16 12.00 8.4853 12.60 11.10 1.149 1. 131 1.104 1.060 17 12.75 n7 1. 9.0156 13.35 12.02 ll.85 1.l48 131 1.104 1.059 5459 .I8 18 13.50 14.1o 12. 12.60o 1.059 1 7 1 1，130 9. 1.103 1 19 10,0763 14.85 13.35 1.148 1.130 1.103 1.058 14.25 13. 32 20 4.27 15.00 10,6066 15.6o 14.10 1.148 1 130 1.102 1.057 20 21 15.02 15.75 l.1369 16.35 14.85 1.148 1.129 1.102 1.056 7 2 15.60 17.10 1 16.50 11.6673 15. 1.147 129 1.101 1.055 17. 1.147 1.129 28 12.197 16. 1.055 17.25 6 .85 16.35 1.101 2 21 1.l47 1.128 1.101 1.054 17.27 18.00 12.727918.6O0 17.1o 1 18.75 13.2583 19.35 18.02 17.85 1.147 128 1.100 1.053 20.10 说70 19.50 13.7886 1.147 1.128 1.100 1.053 18.60 20.25 20.85 19. 51 19.35 14.3189 1.147 1.128 1.099 1. .052 8 . .146 1.099 14.849221.60 20. .26 20.1o .127 1.051 1.00 a.1 1.127 1.099 21.75 15.3796 1.146 1.051 22.35 20.85 1.76 22.50 15.9099 23.10 21.6o 1.146 1.127 1.098 1.050 30 31 23.25 23.85 22.51 22.35 16.4402 1.146 1.127 1.098 1.050 32 24.00 23.26 23.10 24.60 1. 126 1. 16.9706 1.146 1.097 .049 38 8 .75 .5009 25. 1.146 .126 1.097 24. 17. .35 2. .01 23.85 1.048 8 s3 18.0312 1.146 1.126 1.097 1.048 25.50 26.10 r6 24.60o 24. .51 5 s5 26.25 18.5616 26.85 25. 25.35 1.145 126 1.096 1.047 36 26.26 27.00 19,0919 27.60 26.10 1.145 1.126 1.096 1.047 87 27. .75 28.35 27 .01 26.85 19.6222 1.145 1.125 1.096 1.046 B 1.145 1.125 1.095 27.60 28.5020.152529.10 27. 76 .046 D 20.6829 29.85 28.35 1.145 .125 1.095 1.045 29.25 28.51 40 21.2132 29.26 29.10 30.00 30.60 1.145 1.125 1.095 1.045 30.75 21.743531.35 30.01 29.85 1.145 1.125 1.094 1.044 31.5022.2739 32.10 30.76 30. 60 1.145 1.124 1.094 1 .044 .804 1.144 1.094 1.043 32.25 2 32.85 31. 31.35 .124 57 32.26 1.094 钱 33.6o 1.144 1.124 33.0023.3345 82.1o 1.043 23.8649 34.35 33.01 32.85 1.144 1.124 1.093 1.042 33.75 3 .50 35.10 33.76 33.60 24.3952 1.144 1.124 1.093 1.042 35.2524.925535.85 51 34.35 .123 .042 1.144 34. 1.093 1.123 1.092 48 1.144 36.0025.455836.60 35.26 35.10 1.04 49 25,9862 37.35 36.01 35.85 1.144 1.123 1.092 1.041 36.75 0 50 37.50 26.5165 38.10 36.76 36.60 1.144 1. 123 1.092 1.040 38.2527.0468 37.51 37.35 1 38.85 1.144 123 1.092 1.040 .123 1.091 39.00 27.577239.6o 38.26 38.1o .039 l.l43 l， 8 39.75 28.1075 39.01 38.85 1.143 1.122 1.091 1.039 40.35 53 st 40.50 28,6378 41.10 39.76 39.6o 1.143 1.122 1.091 1.039 s4 55 55 41.25 29.1682 4l.85 40.51 40.35 1.143 .122 1.091 1.038 25
GB/T3478.4一2008 表12(续 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm-(T十A) 直径 直径 始圆直径 D D. D D Da 圆齿根 FemaX 5h 6h 7h 4h 42.00 29.6985 42.6o 41.26 41.10 1.143 1.122 1.090 1.038 56 56 42.75 30.2288 43.35 42.01 41.85 1.143 1.122 1.090 1.037 5 7 43.50 30.7591 44.10 42.76 42.60 1.143 .122 1.090 1.037 58 58 S0 31.2895 44.25 44.85 43.51 43.35 1.143 1.121 1.090 1.037 09 0 6o 45.00 31.8198 45,60 44.26 44.10 1.143 1.121 1.089 1.036 G1 45.75 32.3501 46.35 45.01 44.85 1.143 1 121 1.089 1.036 6r G2 62 32.8805 47.10 45.60 46.50 45.76 1.142 1.121 1.089 1.035 63 6 47.25 334108 47.85 46.51 46.35 1.142 1.121 1.089 1.035 64 48.00 33.9411 48.60 47.26 47.10 1.142 1. 121 1.088 1.035 6 48.75 47.85 49.35 344715 48.01 1.142 1.121 1.088 1.034 66 8 1. 49.50 35.001 50.10 48.76 48.60 1.142 120 1.088 1.034 G7 G 50.25 50.85 9.51 49.35 35.5321l 1.142 1. 120 1. .088 1.034 8 68 51.o 51.60 0.26 50. 10 36.0624 1.142 1 120 1.088 1 .033 1.087 69 51.7536.592852.35 1. .01 50. 85 1.142 1.120 .033 0 "0 1.142 1.120o 1.087 52.5037.1231 53.1o 1.76 51. 1.032 60 1 1.142 1.120o 1.087 2. 53.2537.6534 53.85 51 52.35 .032 2 38.1838 .60 53， 1.142 1.120 1.087 1 032 . 54.00 3.26 10 7 38.7141 54.01 53.85 1.14n 1.119 1.086 1.031 54.75 55.35 "4 55.50 39.2444 56.10 54.76 54.60 1.14n 1.119 1.086 1.031 39.7748 56,85 55.35 1.141 .119 1.086 1.031 56.25 5.51 57.00 40.3051 57.6o 56,26 56.10 1.141 1.119 1.086 1.030 7 40.8354 58.35 57.00 56.85 1.14 1.119 1.086 1.030 57.75 8 78 58.50 41.3657 59.10 57.75 57.60 1.141 1 119 1.085 1.030 41.8961 .119 59.25 59.85 58,50 58.35 1.141 1.085 1.029 80 9.25 11 1 60.00 42.4264 60,60 59.10 14 118 1.085 1.029 87 8 60.75 42.9567 61.35 60,00 59.85 1.141 1.118 1.085 1.029 62.10 0.75 8 61.50 43.4871 60.60 1.14！ 1.118 1.085 1.028 82 83 1. 1. 62.25 44.017 62.85 61.50 61.35 141 118 1.084 1.028 85 82.25 84 84 63.00 44.547" 63.60 62.10 . 141 1. l18 1. .084 1.028 85 85 63.75 85 64.35 1. l18 1 45.0781 63.00 62. 1.140 1.084 .028 6 45. 65.10 63.75 .027 6084 1，140 118 1.084 64.50 63.60 87 1387 65.25 65.85 64.50 .027 35 1，140 118 1.084 6 46 8 1.117 1.083 S 66. 46.6690 66.0 .25 65. 10 1，140 .027 的 65.85 1.140 1.117 1.083 1 026 8 80 66.75 66,00 47.1994 67.35 0 67.50 7.7297 68.10 66.60 1.14o 1.117 1.083 1.026 6.75 90 91 68.25 48.260o 68,85 67.50 67.35 1.14o 1.117 1.083 1.026 91 69.00 69,60 68.10 1.140 1.083 1.025 92 92 48.7904 68.25 98 s3 69.75 49.3207 70.35 69.00 68.85 1.140 1.117 1.082 1.025 4 70.50 49,851o 71.10 69.75 69,60 1.140 1.117 1.082 1.025 94 95 71.25 50.3814 71.85 70.50 70.35 1.140 1 117 1.082 1.025 5 96 72.00 50.9117 72.60 71.25 71.10 1.140 1.117 1.082 1.024 6 97 72.75 51.4420 73.35 72.00 71.85 1.140 1.116 1.082 1.024 7 98 98 73.50 51.9723 74.10 72.75 72.60 1.139 1.116 1.082 1.024 99 52.5027 74.25 74.85 73.50 73.35 1.139 1.116 1.081 1.023 99 100 75.00 53,0330 75.60 74.25 74.10 1.139 1.116 1.081 1.023 00 26
GB/T3478.4一2008 表1345"外花键 模数m=1mm作用齿厚最大值s,m=1.571mm 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm一T十A) 直径 直径 始圆直径 O D D D Dpmm 圆齿根 5h 6h 7h 4h 10 10 10.00 7.0711 10,8o 9.06 8.80 1.54o 1.522 1.494 1.448 1 11 ll.00 7.7782 11.80 10.05 9.80 1.540o 1.521 1.493 1.446 12 12 12.00 8.4853 12.8O 1.05 10.80 1.539 .521 1.492 1. 445 13 1 13.0o 9.1924 13.80 12. 04 l.80 1.520 1.492 1 1.539 .444 14 1 14.00 9.8995 1.539 1.520 1.491 14.80 13.04 12.80 443 1 1 15.00 10,6066 15,8o 14.04 13.8o 1.539 1.519 1.490 1.442 1 16 16 16.00 1l.3137 16.8O 15.03 14.8o 1.538 1.519 1.490 1.441 17 n7 17.00 12.0208 17.80 16.03 15.80 1.538 1.518 1.489 1.440 18 18.00 12.7279 18.8o 17.03 16.8o 1 488 1.439 1 1，538 1，518 I 1 1 19.00 13,435o 19,80 17.8o 1.538 1.518 1.488 438 18.03 20 14.1421 20.8o 19.03 18.8o 1.537 .517 1.487 1.437 2 20.00 20.02 21 21.00 1. 14.8492 21.80 19.80 1.537 1.517 1.487 436 2.00 2 22.80 1.02 1. 15.5563 20.80 1.537 1.517 1.486 436 2.02 1.537 1.435 23.00 16.263523.80 21.8o I516 1.486 2a.02 1.537 1.516 1.485 1 2A.00 16.970624.8O 22.8o .434 17.6777 25.80 24.02 1.536 1.516 1.485 1.433 25.00 23.80 25.02 18.3848 26.80 24.80 1.536 1.516 1.484 1.433 26.00 27 27.00 27.80 26.02 25.80 .432 19.0919 1.536 1.515 1.484 1. 8 1.536 28.00 19.7990 28.80 双7.0? ,515 1.484 1.431 26,.80 20.5061 1.515 1.483 1 430 O 27.80 1.536 29.00 29.80 02 21.2132 30.80 1.536 1.514 1.483 1.430 30 30.00 29. 28.80 31.00 31 31.80 30.02 29.80 21.9203 1.535 1.514 1.482 1.429 32 32.00 22.627 32.80 .02 30.80 1.429 31. 1.535 1.514 1.482 38 8 1.514 1.535 3.0023.334 33.80 32.02 31.8o 1.481 1.428 5 8 s3 24.0416 33.02 32.8o 1.535 1.513 1.481 34.00 34.80 1.427 5 s5 35.00 24.7487 35.80 34.01 33.8o 1.535 1.513 1.481 1.427 25.4558 35.01 1.480 36.00 36.80 34.80 1.535 1.513 1.426 37.00 26.1629 37.80 35.80 .425 01 36. 1.534 1.513 1.480 B 1.534 1.512 1.425 38.0026.8701 38.80 37. 0 36.8o 1.480 D 39.00 27.5772 39.8o 38.01 37.8o 1.534 1.512 1.479 1.424 40 40,8o0 39.01 40.00 28.2843 38.80 1.534 1.512 1.479 1.424 41.80 40.01 39.80 41.00 28.9914 1.534 1.512 1.479 1.423 12.0029.698542.80 1. .01 40.80 1.478 .123 1.534 1.512 s 1.534 1.51m 43.0030.405643.80 42 .01 41.80 1.478 1.42 44.8o 1.511 钱 44.00 31.1127 42.8o 1.534 1.478 1.422 3.01 45.00 31.8198 45.80 44.01 43.80 1.533 1.511 1.477 1.421 5.01 1.477 .421 46.00 32.5269 46,80 44.80 1.533 1.51l1 1. 47.00 33.234o 47.80 .01 45.80 1.533 .51 1.477 .420 46. 1.51o 1.476 48 1.533 48.0033.941l 48.80 47. .01 46.80 1.420 49 49.00 34.6482 49,8o 48.01 47.8o 1.533 1.510 1.476 1.419 50 50.00 35.3553 50.80 49,01 48.8o 1.533 1.510 1.476 1. 419 51.0 50.01 36.0624 1.475 1. 418 51.80 49.80 1.533 1.510 1.533 .51o 52.00 36.7696 52.80 51. .01 50.8o 1.475 .418 5 53.00 37.4767 53.8o 52.01 51.8o 1.532 1.509 1.475 .417 54 54.00 38,1838 54.8o 53.01 52.8o 1.532 1.509 1.475 1.417 55 55.00 38.8909 55.8O 54.01 53.8o 1.532 1.509 1.474 1.416 27
GB/T3478.4一2008 表13(续 单位为毫米 实际齿厚最小值 分度圆 基圆 渐开线起 小径 齿数 大径 齿数 Smm=Sm-(T十A) 直径 直径 始圆直径 D D. D D Da 圆齿根 FemaX 5h 6h 7h 4h 56 56.00 39.598o 56.8o 55.01 54.80 1.532 1.509 1.474 1.416 56 57.00 40.3051 57.8o 56.01 55.80 1.532 1.509 1.474 1.415 5 7 58.00 41.0122 58.8o 57.01 56.80 1.532 1.508 1.473 1.415 5 58 59 8 59.00 41.7193 59.80 58.01 57.80 1.532 1.508 1.473 1.415 0 6o 60.00 42.4264 60.80 59.01 58.80 1.532 1.508 1.473 1.414 G1 61.00 43.1335 61.8o0 60.01 59.80 1.532 1.508 1.473 1.414 82 62 62.8o0 1 508 62.00 43.8406 61.01 60.80 1.531 1.472 1.413 6 1 63.00 44.5477 63.80 62.01 61.80 1.531 1.508 1.472 413 64.00 45.2548 64.80 63.01 62.80 1.531 1.507 1.472 412 64 d 65 45.9619 1. 412 65.00 65.80 64.01 63.80 1.531 1.507 1.472 66 66.00 46.6690 66.80 65.01 64.80 1.531 1.507 1.471 1.412 G 67.00 1.471 .41 47.3762 67.80 66.01 65.80 1. ..531 1.507 1 8 68 G7.01 1.471 .411 68.00 48.0833 68.8O 66.80 1.53 .507 1. 0 7904 69.0o 69.80 o1 67.80 1.531 1.471 1.41o 68. 1.507 0 70 5 497 68.8o0 1.531 1.41o 70. 70.8o 9. 1 470 o 1，506 Oo 49. 1 70.o1 69.8o0 1.53o 1.506 71.0050.204 6 71.80 1.470 .41o 2 72.8o 70,80 1.530 1.506 1.470o 1 409 72.0050.9117 1.01 7 73.80 72.01 1.53o 1.506 1.470 1.409 73.051.6188 71.80 7 74.00 52.3259 74.8o 73.01 72.80 1.53o 1.506 1.469 1.408 53.0330 75,8o 74.01 73.80 1.53o 1.506 1.469 1.408 75.00 76.00 53.7401 76.8o 75.01 74.80 1.530 1.506 1.469 1.408 77.00 544472 77.8o 76.01 75.80 1.530 1.505 1.469 1.407 78 78.00 55.1543 78.8o 77.01 76.80 1.530 1.505 1.468 1.407 55.861 4 77.80 1 505 79.00 79.80 78.01 1.530 1.468 1.407 80 1. 80.00 56.5685 80.80 79.01 78.80 1.530 1.505 1.468 406 8 81.00 57.2756 81.8O 80.01 79.80 1.530 1. 505 1.468 1.406 n 82 82 57.9828 1. 405 82.00 82.80 81.01 80.80 1.529 1.505 1.467 83 83 1. 83.00 586899 83.80 82.01 81.80 ,529 1.505 1.467 1.405 .405 84 8 84.00 59,3970 84.80 83.01 82.80 1.529 1.504 1.467 1. 85 85 1.467 85.8O 85.00 60.104l 84.01 83.80 1.529 1.504 1.404 6 86.00 86.80 1.467 2 1，529 60.811 85.01 84.80 1.504 1.404 87 3 85.8o0 1.529 87.006. 87.8o 1 466 .404 518 86 or 1，504 8 饮 1.529 1.504 88.00 62.2254 88.80 87. or 86.80 1.466 1.403 89.00 62.9325 89,8o 87.80 1.529 1.504 1.466 1 403 8 80 88.01 0 90.00 63.6396 90.80 89.01 88.80 1.529 1.504 1.466 1.403 90 n1 91 91.00 64.3467 91.80 90.01 89.80 1.529 1.503 1.466 1.402 92.00 65,0538 92.8o 91.01 90.80 1.529 1.503 1.465 1.402 92 92 93 s3 93.00 65.7609 93.8o 92.01 91.80 1.529 1.503 1.465 1.402 4 94.00 66.468o 94.8o 93.01 92.80 1.528 1.503 1.465 1.401 94 95 95.00 67.1751 95.8o 94.01 93.80 1.528 .503 1.465 1.401 5 96 96.00 67.8822 96.80 95.01 94.80 1.528 1.503 1.465 1.401 0 97 97 97.00 68.5894 97.80 96.01 95.80 1.528 1.503 1.464 1.400 98 98 98.00 69.2965 98.80 97.01 96.80 1.528 1.503 1.464 1. 400 99 70.0036 99.00 99.80 98.01 97.80 1.528 1.502 1.464 1.400 99 100 100,00 70.7107 00,80 99.01 98.80 1.528 1.502 1.464 1.399 00 28