1、ICS 21. 120.30 J 18 道B中华人民共和国国家标准GB/T 3478.8-2008 代替GB/T3478.8-1995 圄柱直齿渐开线花键(米制模数齿侧配合)第8部分:450压力角M值和W值Straight cylindrical involute splines-Metric module , side fit Part 8: 450 pressure angle M and W values 2008-09-22发布2009-05-0，1实施 中华人民共和国国家质量监督检验检菇总局中国国家标准化管理委员会发布, r一/ / . . , , 自IJ1=1 GB/T 3478(
2、圆柱直齿渐开线花键(米制模数齿侧配合)分为九个部分2一一第1部分:总论;一一第2部分，30压力角尺寸表;一一第3部分，37.5。压力角尺寸表;一一第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8部分。GB/T 3478.8 2008 本部分参考了IS04156-2，2005(圆柱l齿渐开线花键(米制模数齿侧配合)第2部分z尺寸中有关45压力角M值和W值，是对GB!T3478.8-1995(圆柱直齿渐开线花键45压力角M值和W值的修订。本部分与GB!T3
3、478.8一1995相比主要差异如下:标准名称由圆柱直齿渐开线花键45。压力角M值和IW值改为圆柱直由渐开线花键(米制模数齿侧配合)第8部分，45压力角M值和W值;一一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、中国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。本部分所代替标准的历次版本发布情况为:一一-GB!T3478.8-1995 , E I 1 范围部分。GB/T 321 GB/T
4、 347 2008.1504156 3 量棒测量尺圄柱亘齿渐开线花键(米制模数齿侧配合)GB/T 3478.8-2008 第8部分:450压力角M值和W值(oi+inv町)-(丘巳己+inv15G) /) 图1的M值(棒间距MRi、跨棒距是注日期的引用文励根据本部分达成GB/T 3478.8-2008 . ( 1 ) DRi = Dbta盹m问号+inVGci-in叫式中:DKI-量棒的计算直径3内花键与盘棒接触点上的压力角，以弧度表示，问=cotiDCi 内花键与盘棒接触点处直径:Dr; = Dccmu. Diimin; 2 DeemalC一一外花键大径最大值;Djimin一一内花键小径最小
5、值;EIIUll:.-号三十mv450if; 2 GB/T 3478.82008 Em-当E为Emin时，内花键量棒中心圆上的压力角z川imin-号川v旷告Ri-一内花键用量棒直径.内花键齿形为直线时量棒测量尺寸的计算公式量棒亘径D的确定(见图3)3.2 . 儿3.2. 1 图3. ( 6 ) D.i = Dsin45 DRi 。棒间距M的计算(见图4)3.2.2 钮割草VE=图4. ( 7 ) DRi . , E Dsin( r-,: +一旦王)-DRi 2D SIn号 ，.Rima翠偶数齿g. . ( 8 ) 3 DRi . , E Dsin(: + ;:旦)- DRi 2 D SIn号
6、H.lRimin GB/T 3478.8-2008 奇数齿(3, , E Dsin(I:+=:旦三)- /)R 2 -, D VK, _ _ 900 1 ，、CU!:i一-J.Ri P. z sm丁fMRim.o x = 式中z式中zam-外花键与量梅接触点上Dee-外花键与量棒接触点处的直径:/)_.=/)刷，.-:t iim;n ; 一-w 2 Srnin一一实际齿厚最小值，表中按公差等级7级和基本偏差为h取值mv=tanm倪。. ( 9 ) . ( 10 ) ( 11 ) 盘棒直径/)R，按GB/T321中的R40选取，若l)J不为R40系列数iill时，应选取最接近DRe较大的值。4
7、GB/T 3478.8-2008 跨棒距M.的计算(见图6)3.3.2 ( 12 ) ( 13 ) . ( 14 ) .( 15 ) lllva=子+in叫。+与-LUb U Z 幅幅事】aE偶数齿:奇数齿z式中:MRemllx mU一一当S为S.时，外花键量棒中心圆上的压力角InV(lemll:.的棒间距M阳齿数直径4H 5H 6H 7H 2巳DRi mm rnax mm 1ax mm max 口11nmax 56 3.55 77.764 77.786 77.775 77.814 77.790 77.855 77.812 77.924 57 3.55 79.234 79. 256 79.24
8、4 79.283 79.259 79.325 79.282 79. 394 58 3. 55 80. 766 80.788 80.777 80.816 80. 792 80.858 80.815 80.927 59 3. 55 82.237 82.259 82.247 82.286 82.262 82.328 82.286 82.398 60 3. 55 83.768 83. 790 83. 779 83.818 83. 794 83.860 83.817 . 83.929 61 3.55 85.239 85.261 85.250 85.289 85.265 85.331 85.289 85.
9、401 62 3.55 86.770 86. 792 86. 781 86.820 86. 796 86.862 86.820 86.932 63 3.55 88. 242 88.264 88.253 88.292 88.268 88.334 88.292 88.404 64 3.55 89. 771 89. 793 , 89.782 89.821 89. 798 89.864 89.822 89.934 65 3.55 91. 245 91. 266 91. 256 91. 294 91. 271 91. 337 91. 295 91. 407 66 3.55 92. 773 92. 795
10、 92. 784 92.823 92.800 92.865 92.824 92.936 67 3.55 94.247 94. 268 94.飞25894.297 94: 274 94.339 94.298 94.410 68 3. 55 95.774 95. 796 95. 786 95.824 95.801 95.867 95.826 95.938 69 3. 55 97.249 97.271 97.260 97.299 97.276 97.342 97.300 97.413 70 3.55 98. 776 98. 797 98. 787 98.826 98.803 98.869 98.82
11、7 98.940 71 3.55 100.251 100.273 100.262 100.301 100.278 100.344 100.303 100.415 72 3.55 101. 777 101. 799 101. 789 101. 827 10 1. 805 101. 870 10 1. 829 101.942 73 3.55 103.253 103.275 103.265 103.303 103.281 103.346 103.305 103.418 74 3.55 104.778 104.800 104. 790 104.829 104.806 104.872 104.831 1
12、04.944 75 3.55 106.255 106.276 106. 266 106.305 106.283 106.348 106.308 106.420 76 3. 55 107.780 107.801 107.791 107.830 107.808 107.873 107.833 107.945 77 3.55 109.257 109.278 |09. 268 109.307 109.285 109.350 109.310 109.423 78 3.55 110.781 110.802 110. .7 92 110.831 110.809 110.875 110.834 110.947
13、 79 3.55 112.258 112.280 112. 270 112.309 112.287 112.352 112.312 112.425 80 3.55 113. 782 113.803 113.794 113.832 113日10113.876 113: 836 113.949 81 3.55 115.260 5.281 115.272 115.310 115.289 115.354 115.314 115.427 82 3.55 116.783 116.804 116.795 116. 833 116.812 116.877 116.837 116.950 83 3. 55 11
14、8.262 118.283 118.274 118.312 118.290 118.356 118.316 118.429 84 3.55 119.784 119.805 119.796 119.834 119.813 119.878 119.839 119.952 85 3.55 121. 263 12 1. 284 12 1. 275 12 1. 314 12 1. 292 12 1. 358 121. 318 121. 431 86 3.55 122.785 122.806 . 122.797 122.835 122.814 122880 122.840 122.953 87 3.55
15、124. 265 124.286 124.277 124. 315 124.294 124. 359 124.320 124.433 88 3. 55 125. 786 125.807 125.798 125.836 125.815 125. 881 125.841 125.955 89 3. 55 127.266 127.287 127.278 127.316 127.295 127.361 127.322 127.435 90 3.55 128.787 128.808 128.799 128.837 128.816 128.882 128.843 128.956 91 3.55 130.2
16、67 130.288 130.280 130.318 130.297 130.362 130.323 130.437 92 3.55 131. 788 131. 808 13 1. 800 131. 838 13 1. 817 13 1. 883 131. 844 13 1. 957 93 3.55 133.268 133.289 133.281 133.319 133.298 133.364 133.325 133.438 94 3.55 134.788 134.809 134.801 134.839 134.818 134.884 134.845 134.959 95 3.55 136.
17、270 136.291 136. 282 136.320 136.300 136.365 136.327 136.440 96 3.55 137.789 137.810 137.802 137.840 137.819 137.885 137.847 137.960 97 3.55 139.271 139.292 139.284 139.322 139.301 139.367 139.328 139.442 98 3.55 140.790 140.811 140.803 140.841 140.820 140.886 140.848 140.961 99 3.55 142.272 142.293
18、 142.285 142.323 142.303 142.368 142.330 142.443 100 3. 55 143.791 143.811 143.804 143.842 143.821 143.887 143.849 143.962 18 GB/T 3478.8-2008 表7棒间距M45.内花键模数m=1.75mm作用齿槽宽最小值E.，=2.749mm 单位为毫米:!lt棒Emin和Emu的棒间距M阳齿数直径4H 5H 7日6H z DRi 盯IInmax 口IInlaX mon 盯laXmon max 10 3.55 1l. 476 11. 504 11. 484 1l. 53
19、2. 11.496 11. 573 1l. 516 11.641 11 3.55 13.084 13.111 13.093 13. 138 13. 104 13. 178 13. 123 13.244 12 3. 75 14.489 14.517 14.498 14.545 14.510 14.586 14.530 14.654 13 3. 75 16. 118 16.145 16. 127 16.172 16.139 16.212 16. 158 16.279 14 3. 75 18.034 18.061 18.043 18.088 18.055 18. 128 18.074 18. 195
20、 15 3. 75 19.671 19.697 19.680 19.724 19.692 19.764 19. 711 19.830 16 3. 75 2l. 564 2l. 590 2l. 572 2l. 616 2l. 584 2l. 656 2l. 604 21.723 17 3. 75 23.210 23.235 23.218 23.262 23.230 23.301 23.250 23.367 18 3.75 25.085 25. 111 25.094 25. 137 25. 106 25. 177 25. 125 25.243 19 4.00 26.096 26. 122 26.
21、105 26. 149 26. 117 26. 189 26. 137 26.256 20 4.00 27.960 27.985 27.969 28.012 27.981 28.053 28.001 28. 120 21 4.00 29.625 29自65029.634 29.677 29.646 29.717 29.666 29. 784 22 4.00 3l. 477 31. 502 31. 486 3l. 529 3l. 499 31. 570 3l. 519 3l. 637 23 4.00 33. 148 33. 173 33.157 33.200 33. 169 33.240 33.
22、 190 33.307 24 4.00 34.991 35.016 35.000 35.043 35.013 35.084 35.033 35.151 25 4.00 36.667 36.692 36.676 36.719 36.689 36. 759 36.709 36.826 26 4.00 38.503 38.527 38.512 38.554 38.525 38.595 38,545 38.663 27 4.00 40. 183 40.207 40.192 40.234 40.205 40.275 40.226 40.343 28 4.00 42:012 42.037 42.022 4
23、2.064 42.035 42.105 42.055 42. 173 , 29 4.00 43.696 43. 721 43. 706 43.748 43.719 43. 789 43.740 43.857 30 4.00 45.520 45.545 45.530 45.572 45.543 45.613 45.564 45.681 31 4.00 47.208 47.232 47.218 47.260 47.231 47.301 47.252 47.369 32 4.00 49.027 49.052 49.037 49.079 49.050 49. 120 49.072 49. 189 33
24、 4.00 50.719 50.743 50.728 50. 770 50.742 50.811 50. 763 50.880 34 4.00 52.534 52.558 52.543 52.585 52.557 52.626 52.578 52.695 35 4.00 54.228 54.252 54.237 54.279 54: 251 54.321 54.273 54.389 36 4.00 56.039 56.063 56.049 56.091 56.063 56. 132 56.084 56.201 37 4.00 57.736 57.760 57:746 57.787 57.760
25、 57.829 57. 781 57.898 38 4.00 59.544 59.568 59.554 59.595 59.568 导9.63759.590 59. 707 39 4.00 6l. 243 6 l. 267 6l. 253 6l. 295 6l. 267 61. 336 6 l. 289 6l. 406 40 4.00 63.048 63.072 63.058 63. 100 63.072 63. 142 63.095 63.212 41 4.00 64.749 64. 773 64.760 64.801 64.774 64.843 64. 796 64.913 42 4.00
26、 66.552 66.575 66.562 66.604 66.577 66.646 66. 599 66.716 43 4.00 68.255 68.279 68.266 68.307 68.280 68.349 68. 303 68.420 44 4.00 70.055 70.079 70.066 70. 107 70.080 70. 150 70. 103 70.220. 45 4.00 7l. 761 7l. 784 71. 771 7l. 813 7l. 786 71. 855 7l. 809 7l. 926 46 4.00 73.559 73.582 73.569 73.610 7
27、3.584 73.653 73.607 73.724 47 4.00 75.266 75.289 75.276 75.318 75.291 75.360 75.314 75.431 48 4.00 77.062 77.085 77.072 77.113 77.087 77.156 77.110 77.228 49 4.00 78.770 78.794 78.781 78.822 78.796 78.865 78.819 78.937 50 4.25 79.947 79.970 79.957 79.999 79.973 80.042 79.996 80. 114 51 4.25 8l. 657
28、8l. 681 81. 668 8l. 710 8l. 684 81. 753 8l. 707 8l. 825 52 4.25 83.450 83.473 83.461 83.502 83.476 83.545 83.500 83.618 53 4.25 85. 162 85. 185 85. 173 85.214 85. 188 85.258 85.212 85.330 54 4.25 86.953 86.976 86.964 87.005 86.979 87.049 87.003 87.121 55 4.25 88.666 88.689 88.677 88. 718 88.693 88.7
29、62 88.717 88.835 19 GB/T 3478.8-2008 齿数棒径阳AUt且Dz 表7(续)Emin和E_.的棒间距MRi单位为毫米4H 5 1-1 6H 7 1-1 nlln mm mm ，ax maX mm max max 555555 222222 . 444444 678901 555566 90.455 92.170 93. 958 95.674 97.460 99. 177 90.478 92.193 93.981 95.697 97.483 90.508 92.222 94.010 95.726 90.551 92.266 94.054 95. 770 97.55
30、7 90.507 92.221 94.010 95. 726 97.512 99.229 90.466 92. 18 1 93.969 95.685 90.482 92.197 93.985 90.624 92.339 94. 128 95.844 97.631 99.348 2043 6868 9641 0246 00oo l-5555555555555 2222222222222 - 4444444444444 2345678901234 6666666677777 10 1. 015 I 10 1. 133 102.733 I 102.851 104.518 I 104.636 106.
31、237 I 106.355 108. 138 109.858 11 1. 641 113.362 115. 143 116.865 118.645 120.3命122. 148 刷刷酬叫叫4fna唱唱9215 ba-FD凰a画如D0752 2357 2222 E阻匾MR圃，四mB2437 7979 0752 2357 2222 111l 61829 nu。AV。AV29742 12468 44444 11111 555555555555555 222222222222222 444444444444444 567890123456789 777778888888888 123.870 125.
32、650 127.373 129. 152 130.876 132.653 134.378 136. 155 137.881 139.657 14 1. 383 143.040 I 143.159 144.767 I 144.885 146.542 I 146.660 148.269 I 148.387 130.722 20425476870 69696969697 18631863186 01357802457 55555566666 31536587980 47474747475 07520752075 55555566666 41536576980 81818181819 08530853
33、085 01357日0245785555566666 EJrPOA结OOPOn360AUAViw41A41A41AA唯?A句487Fb20752075 5FbpbRdbbpbabFb。守04。户。qd号nvGd1Anu句，UAUW号EDqfuAunrEaqrnuqrEaAU目守Aq3FU句okulnurdq民哼，。A咽A幅。pbQd句nvod-nv95hnm吨。LAJOFunnnrnuqLAU句。nua7429752075 百diqAvkdFOOonvqLAFbq45555566666 53647687980 07520752075 01357802457 55555566666 315264
34、75878 81818181818 91356802357 55555555555 22222222222 44444444444 0123456789m 9999999999川20 量棒齿数|直径表8棒间距MI45内花键模数m=2mm作用齿槽宽最小值E.mln=3.142 mm Em1n和E_的悸间距M阳GB/T 3478.8-2008 单位为毫米z 7H 4H 5H 6H DRi max mm 口laXmm un 口，ax町un66 n1 762 466 225 55000000000000000000000055555 22555555555555555555555577777 . ,
35、. 44444444444444444444444444444 67890123456789012345678901234 llll2222222222333333333344444 055555 022222 444444 012345 Ill-口lax13.271 14.428 16.655 18.514 20. 703 22.573 13.279 14.437 16.663 13.328 14.486 16.712 13.292 14.449 13. 371 14.529 16:755 18.612 20.801 13.312 14.470 16.696 18.555 20.744 22
36、.614 24.777 26.657 28. 155 30.050 32. 179 4且14648且2375咀1615理2465N. 175 254 68.274 70.216 71. 658 73.603 75.664 77.611 79. 669 13.442 14.601 16.826 18.682 20.871 22. 739 24.901 26.780 28.280 30. 174 32.303 34.204 36.322 38.229 40.336 42.250 44.349 46.268 48.359 50.284 52.368 54.297 56. 376 58.309 60.
37、384 62.319 64.390 66.329 68.39日70.338 71. 781 73.726 75.786 77.734 79. 792 1781550963气494050606lvl 7778787878: 11179l3579H 8888899999U 9468228630喝l727383849 6666666666 i l357913579 8888899999川7246005307归6272838393山6767676767t 1.L5111.3579川只uau。QUQOQdqdodqdQduu5014783185目9505051616口5666666666 -357913
38、579川、。QOQUQUQUQdqdqOdoduu。但79l4508519臼728384849Mnn画CO俨OPOCOPOPOCOPOPOttl-3571I3571川88884899999川-46Bl27528同月崎qu06qsnJA丛nJAU冒AAT川只8656565666t T111轧L-t11川g888899999U 379l45984lN 9495050518日5656666666 -LEt-3579川8888899999-8347005407巧6272838393川5656565656( L l357913579川88B8899999U 55555555555 77777777777
39、 44444444444 56789012345 44444555555 13.300 14.457 16.683 18.542 38.08 40. 19 42. 11 44.20 52.22 54. 15 56.23 58. 16 60. 24 46. 198 48. .288 50.213 52.297 54.226 73.554 75.614 77. 561 79.619 79.718 21 GB/T 3478.8-2008 表8(续)单位为毫米盘棒Emin和Elllax的棒间距MRi齿数直径4H 5H 6H 7H z DRi 口1Inmax mm max mm max nun max
40、56 4.75 103.639 103.663 103.651 103.694 103.668 103.740 103.693 103.816 57 4. 75 105.599 105.623 105. 611 105.653 105.627 105. 699 105.653 105.776 58 4. 75 107.642 107.666 107.654 107.697 107.671 107.743 107. 697 107.819 59 4.75 109.603 109.627 109.615 109.657 109.632 109.704 109.658 109.780 60 4.75
41、 11 1. 644 11 1. 668 11 1. 657 11 1. 699 11 1. 673 11 1. 745 11 1. 700 111.823 61 4.75 113.606 113.630 113.619 113.661 113.636 113.707 113.662 113.785 62 4.75 115.647 J1 5.671 115.659 115.702 J1 5.676 115.748 115.702 115.826 63 4. 75 117.610 117. 634 117.622 117.665 117.639 117.711 117.666 117.789 6
42、4 4.75 119:649 119.673 119.661 119.704 119.679 119.750 119.705 119.828 65 4.75 12 1. 613 12 1. 637 12 .1. 625 12 1. 668 12 1. 643 12 1. 715 121. 670 12 1. 793 66 4.75 123.651 123.675 123.663 123.706 123.681 123.753 123.708 123.831 67 4.75 125.616 125.640 125.629 125. 671 125.646 125.718 125.673 125.
43、796 68 4. 75 127,653 127.676 127.666 127.708 127.683 127.755 127.710 127.833 69 4. 75 129.619 12日.642129.632 129.674 129.649 129. 721 129.677 129.800 70 4.75 13 1. 655 13 1. 678 13 1. 667 13 1. 710 13 1. 685 13 1. 757 131. 713 13 1. 836 71. 4.75 133.622 133.645 133.635 133.677 133.652 133.724 133.68
44、0 133.803 72 4.75 135.657 135.680 I 135.669 135.712 135.687 135.759 135.715 135.838 73 4. 75 137.624 137.648 137.637 137.679 137.655 137.727 137.683 137.806 74 4. 75 139.658 139.681 139. 671 139.713 139.689 139.761 139.717 139.841 75 4. 75 14 1. 627 14 1. 650 14 1. 640 14 1. 682 14 1. 658 14 1. 730
45、14 1. 686 14 1. 809 76 4. 75 143.660 143.683 143.673 143.715 143.691 143.763 143.719 143.843 77 4.75 145.629 145.652 145.642 145.684 145.661 145.732 145.689 145.812 78 4.75 147.661 147.684 147.674 147.716 147.693 147.765 147.721 147.845 79 4.75 149.631 149. 654 149.645 149.687 149.663 149. 735 149.6
46、92 149.815 80 4. 75 15 1. 663 15 1. 686 15 1. 676 151. 718 151. 695 15 1. 766 15 1. 723 151.847 81 4.75 153. 634 153.657 153.647 153.689 153.666 153.737 153.694 153.818 82 4.75 155.664 155.687 155.677 155.719 155.696 155.768 155.725 155.849 83 4.75 157.636 157.659 157.649 157.691 157. 668 157.740 15
47、7.697 157.821 84 4.75 159.665 159.688 159.679 159.721 159.698 159. 769 159.727 159.851 85 4.75 16 1. 638 16 1. 660 16 1. 651 16 1. 693 16 1. 670 16 1. 742 16 1. 699 16 1. 823 86 4.75 163.667 163.689 163. 680 163.722 163.699 163.771 163.729 163.852 87 4.75 165.640 165.662 165.653 165. 695 165.672 165
48、.744 165.702 165.826 88 4. 75 167.668 167.691 167.682 167.723 167.701 167. 772 167.730 167.854 89 4. 75 169.641 169.664 169.655 169.697 169.674 169.746 169.704 169.828 90 4.75 171. 669 171. 692 17 1. 683 171. 725 171.702 17 1. 774 17 1. 732 17 1. 856 91 4. 75 173.643 173.666 173.657 173. 699 173.676
49、 173.748 173.706 173.830 92 4.75 175.670 175. 693 175. 684 175.726 175.704 175.775 175.734 175.858 93 4.75 177.645 177.667 177.659 177. 700 177.678 177.750 177.709 177. 832 94 4.75 179.671 179.694 179.685 179.727 179.705 179.776 179.735 179.859 95 4.75 18 .1. 646 18 1. 669 181.660 18 1. 702 18 1. 680 18 1. 752 18 1. 711 18 1.
