HB 2402-1977 hb 242－70 螺纹通端环规及其校对塞规应用尺寸.pdf

《HB 2402-1977 hb 242－70 螺纹通端环规及其校对塞规应用尺寸.pdf》由会员分享，可在线阅读，更多相关《HB 2402-1977 hb 242－70 螺纹通端环规及其校对塞规应用尺寸.pdf（24页珍藏版）》请在麦多课文档分享上搜索。

1、中华人民共和国第三机械工业部标准HB2402-77 HB242-70 代替H504-02应用尺寸通端环规t. 111m ltS 同同州刷;t 0.35恻时VZJ峭.呈$S$1 mrn 蝶距形角差牙半偏小J最I_ O.9O! 0.794 0.802丁.811!0.8221 0.691 1 O.司乞丁.有了二.10.25.-一一一一一斗l 一一一-，-一一2, 1. 701 0.991 1. 002! 1.0141 1. 02210.891 , 0.90310.909 1. 410.3 I 1. 370 1 1. 58: 1. 166 1 1 .178. 1. 186 1 1. 034 1 1.

2、046 1 1. 052 1时寸万引丁732王门丁3骂1l-j:-343 i寸三百厅.1771 1.189 I-j亡币，-1-80.35;- 770J王Eh!551气1:-5431-1.551 I .377日五913瓦3 i. 2.9701 2.723:-2.7311 2.7431 2.75 1-2.571T2.5891豆百豆53.剧，3.1701 3.28_1_3.226 _3.238 1 3.216.3.0721_3.08113.0901 2 10.4 1-,-97 0._.1._ 68勺1.6951_1.;07_11.75 1_l_.520 .1二EUU二538-2. 引2.170I 1

3、. 853 1. 8611 1. 873. 1.8811 1. 664 1. 6761 1. 68210.04 一句045 J l i | l 一.: -1 l 2目2.17012.153: 2.161 2.1731 2.181 1. 964 1.9761 1. 9821 中径1:)，1 内径1:)，外径D| 一一-l l9 最大|最小!最大!最大陆大|Atb d t l最小|最大，验通 A A |土32!王30+0.0041士28士26+ 24 第三机械工业部发布国营ZfEZF提出197 9年7月1日实施螺纹工具部标准修订组起草42 HB 2402-77 共24页第2页通端环规m纽1续表中径

4、D, 内径D飞b I螺距外径DI 2偏差新制环规转为磨损新制环规磨损 d I t 最小l最最大验通最大最小最大最大最大M A 2 - . 白/、品、内E 吁I 3.641 3.403 3.415 3 . 4.633 4.641 4.403 4.415 41主丝一10.061|土225.409 I 5.415 .飞., 5.635 5.397 7.628 i-eon 1 。士17999 222 111 士0.006.303 l 7.303 9.298 11.。I 5.869 I 6.869 8.864 1 土14。.8402.840 o 14.840 38.271 41.271 石.271T4苟

5、言: 生7282l51.284 55.27 59.27 63.274 土0.0838 4.838 43 共24页第3页HB 2402-77 通端环规在1红1螺纹|螺距外径D中径D, 公称l直径|新制环规转为1磨损l内径D，b 2 螺距偏差-形角羞表-牙半偏续新制环规!磨损d 1 t 1最小(最小最大|验通!最大最小1最大l最大l最大1MJE1.25二旦旦1_7.101/_7.1l1!7.12旦工主i主旦旦望些口-iEq-13引二J:111:击tiiL古草扭扭!?!二妇且直EZ百翌睡吕12|土0.004itttq且lZZ12451 44.940143.908143.920: 43.937 1 4

6、3.948 I 43.2661 43.28剧43.296.48.1，_红294q一町，日081_4-丝。一!4旦主主-lL旦旦出经6146.坐到1坠旦P52 1问1.9401 50.905 1 50.919 1 50.938 i 50.950 1 50.2日6150.28副50.296主15iEj茸茸1jE;二jj主鼎堕:10叫:古挂在古自EJ耐住草草罩在常百!元。1币55豆丽-11豆豆:866-，12立百画一怕自.912恒汇亘厄立豆311恒E;五IE王牙E号:了平日时哩!可吧:盟主骂l1 161 2带ifjjf321引山 A 2 士13+ 12 + 0.005 44 HB 2402-71 共

7、24页第4页通端环规mm 续表螺纹螺距中径D，内径D，b螺Rf!直公称径l外径D新制环规中(转为磨损新制环规磨损Y 偏差 d 1 t最小最小最大验通最大最小最大最大最大AfAlf 1817.94016.5861 16.5961 16.61116.621115.727l15.743115.751 2019.94018.5861 18.5961 18.611 1 18.62117.7271 17.743117.751 221 121. 9401 20.586120.59620.611 1 20.62119.72719.74319.751 2423.940 1 22.58622.596122.611

8、 1 22.62 1 21.72721. 74321. 751| 271 1 26.94025.58625.596125.611125.62124.72724.74324.751| 3029.94028.576 1 28.58628.601 1 2861127.717127.7331 27.7 3332.940131. 573131. 585131. 602131. 613130.715130.735130.7 36 1 135.9401 34.573 1 34.585 1 34.60234.61333.71533.7351 33.745 一-一一一品391138.94037.573 1 37

9、.585 1 37.60237.613136.71536.735136.745 421 141. 940140.573 1 40.585140.602140.613139.715139.73539.745 4544.94043.57343.5851 43.60243.613142.71542.73542.745 4847.94046.573 1 46.5851 46.60246.613 1 45.7151 45.7351 45.745 5251. 94050.57050.5841 50.60350.615149.715149.735149.745 56 1 1 55.94054.56054.5

10、74154.593154.605153.705153.725153.735 .059.9401 58.5601 58.57458.593 1 58.605 1 57.7051 57.7251 57.7351 i 64 1 1 63创0162.560162.574162阳62.60561叫61.四61.735l 680267.940-.66.560166.574166.593166.605165.70565.7251 65.735O. 19士0.0051+107271.9.1070.560170.574170.59370.605 1 69.7051 69.7251 69. 735i. .， I

11、761 175.94074.560174.57474.593174.605173.705173.725173.735 8584.940183.547183.563183.585183.599182.693182.71782.729 9089.9401 g,8.547 1 88.56388.585188.599187.69387.717187729 951 194.940193.547193.563193.585193.59992.6931 92.7171 92.729 10099940 1 98.547、98.563198.585 1 98.59997.6931 97.71797.729 10

12、5104.9401103.5471103.563 103.585103.599102.693102.7171102.729 110 109.9401108.5471108.563108.585108.599 1107叫川.717107.729115 1 1114.940113.5471113.5631113.5851113. 599112.6931112.7171112.729 120119.9401118.5471118.563118.585118.5991117.693117.7171117.729 125124.9401123.5311123.551123.577 1123.593122

13、.680122.710122.725 130 1 1129. 940 1128.531 1128.551128.577128.593 1127.6801127.710127.725 1351 1134.9401133.531133.551133.577133.593132.6801132.7101132.725 140 1 1139.940 1138.531138.551138.577 1138.593137.6801137.7101137.725 145 1 1144.940143.531143.551 1143.57/143.593 1142.6801142.7101142.725 150

14、 1 1149940 1148 53i1148. 551 1 4817了48. 593 1147 6801147.710147.725 注2转为验通即是通端环规中径尺寸磨损至此值时，可作为验通量盟.45 HB 2402-77 页5 共24页第校对塞规技通-通t O，3S嗣同时t 0，茄.，.t 房提企重&， f?2s4创送去，i，m应1外b z 内径D，径中D 径损新制塞规M 大最大最小最最大|最小最+ 32 0 , 796 0 , 891 。，9920 , 996 1.16日l最I 1. 174 大d 0 , 25 1 2 30 1. 154 1 1. 321 1. 325 1. 525 5

15、66 1. 574 :!: 28 + 0 , 004 1. 377 1. 519 1. 766 1. 774 0 , 35 1.8 7 2 + 24 0 , 04 3_, OJJ i 1.520 I 1664! 1. 964 46 04!19741966 2 , 174 2 , 474 3 , 2 3 , 220 3 , 466 3 3 , 5 3 8 6 1 马一磨二一小l螺距1. 521 2 , 721! 2 , 719 3 , 216 I 1. 685 2 2 , 166 , 1. 855! 1. 851 1. 84 2466J2.155l2151l 0 , 45 2 , 2 2 , 1

16、49 I 2 , 5 HB 402-77 共24页第6页校对塞规校通-通mm 续表螺距偏差lz形半角螺纹公螺距中径D, b 外径D 内径D，l差2 称直径新制塞规磨损f. d 1 t最大最最大I最小最小:最大最大且tI _. 2 3 2.974 2.966 2.620 2.616 2.614 2.408 4 3.974 3.966 3.615 3.611 3.609 3.403 5 0.5 4.974 4.966 4.615 4.611 4.609 4.403 0.06 土226 5.971 5.966 5.609 5.605 5.603 5.397 8 7.976 7.964 7.607 7

17、.601 7.599 .395 10 9.976 9.964 9.603 9.597 I 9.595 9.391 3.5 0.6 3.474 3.050 3.046 3.044 2.794 + 20 4 。.73.974 3.966 3.481 3.477 3.475 3.182 0.08 士186 5.974 5.966 5.443 5.439 5.437 5.122 8 7.976 7.964 7.441 7.435 7.433 7.120 10 9.976 9.964 9.436 9.430 9.428 9.115 12 11.976 11.964 11.436 11.430 11.42

18、8 11.115 14 0.75 13.976 13.964 13.436 13.430 13.428 13.115 + 17 0.09 16 15.976 15.964 15.436 15.430 15.428 15.115 l士0.0041 18 17.976 17.964 17.426 17.420 17.418 17.105 20 19.976 19.964 19.426 19.420 19.418 19.105 22 21. 976 21. 964 21. 426 21. 420 21. 418 21.105 5 0.8 4.954 4.946 4.412 4.408 4.406 4

19、.070 + 16 6 5.954 5.946 5.275 5.271 5.269 4.847 7 6.956 6.944 6.273 6.267 6.265 5.845 8 7.956 7.944 7.273 7.267 7.265 6.845 电10 9.956 9.944 9.268 9.262 9.260 8.840 12 11. 956 11.944 11.268 11. 262 1 .260 10.840 14 13.944 13.268 13.262 1.3 z.- O 12.840 16 1 15.956 15.944 15.268 15.262 I 15.260 14.840

20、 0.11 士1418 17.956 17.944 17.258 17.252 17.250 16.830 20 19.956 19.944 19.258 19.252 19.250 18.830 22 21. 956 21. 944 21. 258 21.252 21. 250 20.830 24 23.956 23.944 23.258 23.252 23.250 22.830 一一一士0005i27 26.956 26.944 26.258 26.252 26.250 25.830 30 29.956 29.944 29.248 29.242 I 29.240 I 28.820 47 共

21、24页第7页HB 2402-77 校对塞规校通-通1m 续表牙形半角l螺纹公螺距中径D 螺J1偏差2 b 外径D 内径D，偏差2 称直径新制辈革规膺损A t M d 最大最小最大最小1:最最大最大z 33 32.958 32.942 32.246 32.238 32.236131.818 36 35.958 35.942 35.246 35.238 35.236 34.818 39 38.958 38.942 38.246 38.238 38.236 37.818 42 41. 958 41. 942 41. 246 41.238 41. 236 40.818 45 44.958 44.942

22、 44.246 44.238 44.236 43.8181 48 47.958 47.942 47.246 47.238 47.236 i 46.818 52 1 51.958 51. 942 51. 243 51. 235 51. 232 1 50.818 0.11 士0.005士1毡，56 55.958 5飞942i 55.233 55.225 55.222 54.808 60 159.958 59.942 59.233 59.225 59.222 58.808 64 163.958 63.942 63.233 63.225 63.222 62.808 68 67.958 67.942 6

23、7.233 67.225 67.222 66.808 72 71. 958 71. 942 71. 233 71. 225 71. 222 70.808 76 75.958 75.942 75.233 75.225 75.222 74.808 8 1.25 7.956 7.944 7.104 7.098 7.096 6.567 o . 13 士1312 11.956 11. 944 11. 104.1 11.098 11. 096 10.567 + 0.004 10 9.946 9.934 8.934 i 8.928 I 8.926 8.288 11 10.946 10.934 9.9341

24、9.928 I 9.926 9.288 12 i 11.946 11.93410934J10.92810.926!l0.288 14 13.946 13.934 112.93生112.928114JUR1228816 15.946 15.934 1 14.934 14.928 1 14.926 1 14.288 18 17.946 17.934116.924 i 16.918 116.916 I 16278 20 19.946 19.934 1 18.924 I 18.918 I 18.916 I 18.278 22 21. 946 21. 934 20.924 20.918 20.916 2

25、0.278 。15士121.5 |23吨22.278 24 23.934 , 22.924 22.918 22.916 +0.005 27 26.934 I 25.924 25.918 25.916 25.278 30 29.934128.914 28.908 28.906 28.268 33 32.948 32.932 1 31. 912 31. 904 31. 902 31. 266 36 35.948 35.932 34.912 34.904 34.902 34.266 39 38.948 38.932 37-9121具7?0437.902137.266 42 41. 948 41.93

26、2 40.912 40.904 40.902 40.266 45 !-J4M 44.932 43.912 I 43.904 43.902 43.266 I 48 HB2402-77 共24页第8页校对塞规校通-通宜1口1续表螺纹公中径D, 螺距偏差!牙形半角螺距b 外径D 内径D，偏差称直径新制塞规磨损2 小|最大A t M 2 d 最大i最最小最小最大最大48 47.948 47.932 . 46.912 46.904 46.902 i 46.266 52 51.948 50.898 50.266 56 55.948 55.932154.899154.891 54.888 54.256 一一

27、一60 59.948 59.932 58.899 58.891 58.888 58.256 一64 63.948 63.932 62.899 62.891 62.888 162.256 68 67.948 67.932 66.899 66.891 66.888 66.256 72 71. 948 71. 932 70.899 70.891 70.888 70.256 76 75.948 75.932 74.899 74.891 74.888 74.256 80 79.948 79.932 78.899 78.891 78.888 78.256 85 84.9481 84.932 1 83.88

28、6 1 83.878 83.874 8:.244 90 i 89.948 89.932 88.886 88.87S 88.874 88.244 95 1.5 94.948 94.932 93.886 93.878 93.874 93.244 0.15 + 12 100 99.948 99.932 98.886 98.878 98.874 98.244 105 104.948 104.932 1103.886 103.878 1103.874 103.244 110 109.948 1109.932 1108.886 108.8781108.874 1108.244 115 114.948111

29、4.932 1113.886 113.878 1113.874 1113.244 土0.005120 119.948 119.932 118.886 118.878 118.874 118.244 125 124.950 124.930 1123.871 1古3.861阴阳|123吨130 129.950 129.930 1128.871 128.86J 128.856 1128.231 135 134.950 133.861 133.856 1133.231 140 139.950 139.930 138.871 138.861 138.856 1138.231 145 144.950 14

30、4.930 143.871 143.861 143.856 :143.231 148.856 150 149.95o 114993O_:148.871 148.861 148.231 -一.12 1. 75 11.946 11.934 10.766 10.760 10.758 10.013 0.17 士1114 13.946 13.934 12.598 12.592 12.590 11. 736 16 15.946 : 15.934; 14.598 14.592 14.590 13.736 18 17.946 17.934 16.589 16.583 16.581 15.727 20 2 19

31、.)46 19.934 18.589 18.583 18.581 17.727 0.19 士1022 21. 946 21. 934 20.589 20.583 20.581 19.727 24 I 23.946 23.934 22.589 22.583 22.581 21.727 25-25.581 l-;扫727 26.946 26.934 125.589 49 共24页第9页HB 24D2-77 校对塞规校通-逼mm 续表螺纹公螺距中径D，b螺距偏差牙形半角外径D内径D，一偏差称直称新制塞规磨损2 d|t l最大l最:小最大最小最小最大最犬t 3029.946 ! 29.934 28.5

32、79 I 28.57328.571127.717 33+32.94832.93231. 577 1 31.569 1 31. 567 1 30.715 36! I_. _t3593234.577134.569134.567133.715 39 1 1 38.948 1 38.932 1 37.577 1 37.569 1 37.56736.715 ! 42 1 41.94841.93240.577140.56940.567 139.715 45 1 1 44.94844.932|43.577 1 43.56943.567 1 42.715 4847.948147.93246.57746.569

33、46.56745.715 52 1 151.948151.93250.574150.566150.563149.715 56 :55.948 1 55.932 1 54.564 1 54.55654.553 1 53.705 6059948 ! 59.932 58.564 58.556158.553157.705 6463948|自3.9坦62.564162.556I 62.553 1 61. 705 68 I 1 67.9481 67.932 1 66.564 1 66.556 1 66.553 1 65.705 1 1 + 0.005 72! ! 71. 948. 71.93ZI70.56

34、i_ _70-,_5_56_1_7 0.s53169.705 761 1_75.948_17532174.564 1 74.556工4.5531 73.705 且 80 1 279.948 1 79.93278.564178.556178.553177.705o . 19士10- -, , _ 85l84. 948 1 84.932 1 83.551835431 83.539 1 82.693 90 1 I 89.948 1 89.932|88.551 1 88.543 1 88.539 1 87.693 95l94.948l94.9321 93.55193.543 1 93.539 1 92

35、.693 100 199.9481 99.932 1 98.551 198.5431 98.539 1 97.693 105103.551103.5431103.5391102.693 110! 1109.9481109.9321108.551 1108.543108.539 1107.693 115 1 1114.948 1114.932113.551113.543 1113.539112.693 一一一120 , 1119.9481119.9321118.5511118.5431118.539 ;117.693 130 1129.950 1129.9301285361128.526 112

36、8.521 1127.680 135I 1134.950 1134.930 1133.536 1133.526 1133.521一132682.1:l: 0.006 140l 139.951139.930 1138 53-138.5261138.521 1137间。145 1 1144.950144.930143.536 1143.526 1143.521142.680 150 I 1149附:149山川48.m:Mmh48.mh删50 HB 2402-77 共24页第10页校对塞规校通-止t H.35, i!t t土At60 必碍吁iljt判35阳明时t士t60 咱、4地问同告练毒自各，、同

37、同e、EThI制造企1m江1b 内径D，眼纹公螺距外径D 中径D, 2 司在直径!d 小|最大角差一半-2形卜牙偏i差偏t距A螺1 5 9 AU !最大|最小|最大|最小|最大|最4 0.9叫1占住LqfE旦i旦旦L旦型LL3127EI圭|二:;+ 32 士30J035币2:zt:71t if:11士:一|二二1. 177 1.329 1. 529 1.古77+ 28 2.729 I 2 5飞毛|tl2411511 0_. _1 -1,. 96,6 ! 2.166 0.45 : 2士|2 1. 946! 1.697 m二刷一刷二刷一川一问u主0.04 I :!: 26 士0.004! i +

38、24 2.2 2.146 1.863 0.05 2.466 3 段。0 0 士220.07 ! !土2051 共24页第11页HB 2402一77校对塞规校通卢止mm 续表螺距偏差i牙形半角螺纹公螺距外径D 中径D, 内径D，b I偏差称直径2 d |最大号主/卜最大最4 最大最小最大M tk 2 3.9日6I 3.941 3.489 3.485 3.182 0.09 + 18 5.966 5.94 5.451 5.447 5.122 8 7.964 7.934 7.451 7.445斗7.120 10 9.964 9.934 9.446 9.440 9.115 12 11. 964 11.9

39、29 11.446 11.440 11.115 一一一14 0.75 13.964 13.929 13.446 13.440 13.115 + 17 0.1 16 15.964 15.929 15.446 15.440 15.115 18 17.964 17.929 17.436 17.430 17.105 20 19.964 19.919 19.436 19.430 19.105 22 21. 964 21.919 21. 436 21. 430 21. 105 5 0.8 4.946 4.921 4.420 4.416 4.070 + 16 6 5.946 5.921 5.283 5.27

40、9 4.847 7 6.944 6.914 6.283 6.277 5.845 8 7.944 7.914 7.283 7.277 6.845 10 9.944 9.914 9.278l 9.272 8.840 12 11. 944 11.909 11.278 11.272 10.840 士0.00414 13.944 13.909 13.278 13.272 12.840 16 15.944 15.909 15.278 15.272 14.840 18 17.944 17.909 17.268 17.262 16.830 20 19.944 19.899 19.268 19.262 18.8

41、30 22 21. 944 21. 899 21. 268 21. 262 20.830 24 1 23.944 23.899 23.268 23.262 22.830 0.11 0.14 士1427 26.944 26.899 26.268 26.262 25.830 30 29.944 29.899 29.258 29.252 28.820 33 32.942 32.892 32.258 32.250 31.818 36 35.942 35.892 35.出!35.250 34.818 39 38.942 38.892 38.258 38.250 37.818 42 41. 942 41.

42、 892 41. 258 41. 250 40.818 45 44.942 44.892 44.258 44.250 43.818 48 47.942 47.892 47.258 47.250 46.8181 52 51. 942 51. 882 I 51. 257 I 51. 249 I 50.818 56 55.942 52 HB 24g277 共24页第12页校对塞规校通-止红1红1续表川句径L川i-i最刘再町、|最王叮最旦旦坦坦|坠旦i59，239_1坠型公径纹直d螺称螺距中螺距偏差畸形半角偏差 A E 外径D径D，11.630_1 1 1._595 :10. 944U日到10刷一也F

43、F11?哑I1号.9441_12二喧生1_12二月8一l14-944日毛9豆豆口.i.288_116.9攻坚坐立因主7815.630 17.620 1 17.585 仁iil 1 2 71. 942 75.942 7.740 大t 。110.14 士14工1但.7.1工1.主甘匹旦二8些75.882 I 75.247 I 75.239 ! 74.808 7.旦卢非四四!11. 705 11. 114 i 11.108 i 10.567 四R|旦4I旦呗|8削9.944 I 9.938 71. 882 0.14 I 0.2 士1310.595 9.288 15.595 19.575 21. 57

44、6 18.934 A哇。AU A 士19.620 l旦-24 I 27 i !30 21.620 18.928 23.575 18.278 302哩土1.1928|3qZIF122.278 主主旦旦土1_22，928|韭明|2L豆豆坐.92生!旦旦PISUR坐立l32.570|31924i31.916i31.266 坠旦214豆豆E豆也t旦豆豆豆38.620138.570 37.924 f 3巳阴i3口66丑型国旦旦国坐主|旦二旦ljOJ-6623.620 26.62 29.61 32.620 369 3-3-3 1. 5 42 |士145 处旦旦|且EF一|丛些罔旦旦|韭26648 47.6

45、20 51. 620 55.610 52 56 函一-n一刊一刷一59.610 63.610 67.610 71. 610 47.570 46.924 46.916 46.266 !| 叫旦旦-t二旦旦!|i 工L旦旦|工qpJ主:_0-, .9.0,5 70.256 53 共24页第13页HB 2402-77 校对塞规校通-止rn口1由里纹公|称直径d 95 100 105 110 115 120 i2Ll 135 min- 27 螺距1.5 30 2 36 39 42 45 48 52 56 60 54 外径D 中径D，小最门叫大L 内最大b 2 最大豆I南lJ最84.5301 83再2r

46、 83.894 小I:最84.600 0.16 0.25 123.231 128.231 133.231 0.22 0.31 13.736 旦旦川Et哑一川二二二一二一川一可川旦旦旦E二二尘川二旦旦旦旦一旦旦出旦旦一0.29 。.38续表螺距偏爱|牙形半曲偏主国 川b.1 I 2 士12士0.004+ 11 士10HB2402-77 共24页第14页校对塞规校通-止mm 续表螺纹公螺距外径D 中径D, 内径D，b 螺距偏差牙形半角偏称直径2 差 d t 最大l;最小最大最最大!最小最大M A 2 64 63270 63210 62578 I 62570 61. 705 68 67 270 I

47、67.210 65 705 i 72 71. 270 I 71. 210 70.578 I 70570 69 705 I 76 75.270 I 75210 74.578 ! 74570 73 705 80 79.270 79.210 78578 78.570 77 705 85 84270 84200 83.567 83.559 82693 90 89 270 89200 88.567 88.559 87 693 I 95 94.270 I 94.200 93.567 ! 93.559 92m l 100 99270 1 99200 98567 1 98.559 97.693 , 105 2

48、 104.270 104.200 !103.567 103.559 102693 0.29 0.38 l士0004|士10110 109.270 109.200 1108.567 108.559 107.693| 115 ,114.270 114.200 1_1 3.567 113.559 112.693 120 119.270 119.200 118 567 118.559 117.693 ! 125( 124.260 124.180 123.556 123546 122680 I 130 129.260 129.180 128556 128.546 127.680 135 134260 134.180 133.556 133.546 132.680 140 139.260 139.180 138.556 138546 137.680 145 150 149.260 1;49.180 i148. 556旧M147.680 55 共24页第15页HB 2402-77 最