HB5964-2002燕尾形榫头、榫槽尺寸标注与技术要求.pdf 36页

'中华人民共和国航空行业标准BB5964一2002FL2840代替HB5964一1986燕尾形樟头、樟槽尺寸标注与技术要求Dimensioningandtechicalrequirmentsforthedovetailrootandgroove2002一11一20发布2003一02一01实施国防科学技术工业委员会发布 HB5964一2002目次前言·······，·················，·················，···················，···，········，·············。············，····，··········一I1范围·，···，·················，，·························································，···················，·········⋯⋯12术语和定义、符号··········································································，···················⋯⋯13基准选定··.........................................................................·····························⋯⋯33.1两种基准体系·，，，，，，，，，···。“‘··，，·····-·············，，·，·········，，，，··，·4········，·，，·，·。·。。··‘·⋯34连接结构类型······················，······，·····················，··············································⋯⋯44.1类型1-基本型的轴向燕尾形连接·····································，···············⋯⋯’“““‘’‘””’‘44.2类型2—带延伸段的轴向燕尾形连接···························，································，····⋯⋯54.3类型3—带缘板并有圆弧底面的轴向燕尾形连接，···············，···································一54.4类型4—带缘板并有圆弧底面的周向燕尾形连接················，·········‘·············，···········一65尺寸标注······································，··················，·，····················，·······，····，·············⋯⋯65.1类型1的樟槽横截面尺寸标注方法·················，，·················································⋯⋯65.2类型1的棒头横截面尺寸标注方法·.................······。·············，，，·········⋯⋯’“’““‘’‘””””’75.3类型2的样槽横截面尺寸标注方法·，····························，·，，，，，，·。11·⋯”“’“‘”‘””””，’75.4类型2的桦头横截面尺寸标注方法··，················，···················，···················，··········⋯⋯85.5类型3的桦槽横截面尺寸标注方法·····························································，·········⋯⋯85.6类型3的桦头横截面尺寸标注方法··，···············，·································⋯⋯““’““’““’95.7类型4的桦槽横截面尺寸标注方法·······.......................................········⋯⋯““‘”“”’95.8类型4的棒头横截面尺寸标注方法，，，···············，，····‘··········，·············，···一““’“’‘””’‘96形位公差及其标注············，·，··········，···················，···········································⋯⋯106.1桦头、棒槽横截面的形位公差····················，········································，，·⋯⋯“’““’““‘106.2标注方法··········，，，················，·，······················································，·····‘·····⋯⋯106.3轮廓公差带·······，··，·······......................................................................................107表面粗糙度·············，···················，·········································，·························⋯⋯127.1桦头面的粗糙度···············，········································································⋯⋯127.2桦槽面的粗糙度·······························································，，···························⋯⋯128技术要求········，·······，·········，·，，·，，，······，··，·，，‘·。。。·······.，········，···，·，‘···1一138.1樟头与桦槽的配合·............................................................·，··············，，········⋯⋯138.2几何形状及偏差··················································，··································-·······⋯⋯13附录A(规范性附录)尺寸系列·············，······································。················，·，，二“’“““‘15A.1类型1,2,3,4桦头、桦槽尺寸系列可作为设计依据，··，·································。·············⋯⋯15A.2表A.1中的尺寸系列对应于图11桦槽···············，·································，·············⋯⋯15A.3表A.2中的尺寸系列对应于图12桦头······························································，··⋯⋯17A.4表A.3中的尺寸系列对应于图13桦槽·································································⋯⋯20A.5表A.4中的尺寸系列对应于图14桦头·································，··········，············，········⋯⋯22A.6表A.5中的尺寸系列对应于图15样槽··········卜·····················，，·········，·，········一24A.7表A.6中的尺寸系列对应于图16桦头························································，，·······⋯⋯25A.8表A.7中的尺寸系列对应于图17樟槽·························································-·······⋯⋯26I HB5964一2002勺7A.9表A.8中的尺寸系列对应于图18榨头··································································⋯⋯白20附录B(资料性附录)标注示例产29B.1棒头、桦槽宽度平面和对称平面作基准的桦头、樟槽图样标注(图B.1)··················⋯⋯八jnB.2桦头、摔槽底面和对称平面作基准的桦头、樟槽图样标注(图B.2)························⋯⋯舟、lB.3桦头、桦槽宽度平面和对称平面作基准，轴向圆弧底桦头、棒槽图样标注(图B.3)︸l又弓B.4樟头、榨槽宽度平面及对称平面作基准，周向燕尾形榨头、榨槽图样标注(图B.4)~‘ HB5964一2002前言本标准是在原HB5964一86《燕尾形桦头、桦槽尺寸标注与技术要求》标准基础上，经过十多年来各设计所、制造厂的实际使用，并征求了许多设计所、制造厂专家的意见修订而成的。对HB5964一86进行修订时，作了若干补充和调整，主要补充的内容有:a)规定了叶片与轮盘连接的4种类型;b)增加了轴向圆弧燕尾形摔头(桦槽)和周向圆弧燕尾形桦头(桦槽);c)增加了摔头(桦槽)的形位公差;d)增加了附录A，给出了4种连接类型的尺寸系列。本标准对设计燃气涡轮发动机叶片与轮盘的燕尾形连接结构与尺寸标注作了基本规定，所列出的尺寸及尺寸标注可根据各设计所、制造厂实际工艺需要进行增补。本标准自实施之日起，同时代替HB5964-860本标准的附录A是规范性附录。本标准的附录B是资料性附录。本标准由中国航空工业第一、第二集团公司提出。本标准中国航空综合技术研究所归口。本标准起草单位:中国燃气涡轮研究院。本标准主要起草人:江和甫、苏廷铭、武文华、刘文冀、刘建平、黄致键。本标准于1986年第一次发布，2001年首次修订。 HB5964一2002燕尾形样头、禅槽尺寸标注与技术要求1范围本标准规定了航空发动机压气机叶片与轮盘的燕尾形连接结构形式、结构要素的有关术语、尺寸标注、尺寸系列以及与桦头、桦槽几何形状有关的技术要求。本标准适用于航空发动机压气机叶片燕尾形桦头和燕尾形桦槽。2术语和定义、符号下列术语和定义、符号适用于本标准，其中部分术语的示意图见图1一图402.1樟头root压气机转子叶片根部与轮盘连接的部位。2.2禅槽groove压气机转子轮盘上用于安装叶片桦头的型槽。2.3燕尾形禅头(禅槽)dovetailroot(groove)横截面的几何图形近似为梯形的桦头(桦槽)。2.4侧面sideface桦头(棒槽)横截面梯形的两腰所构成的平面，侧面是承力面。2.5顶面topsurface桦头(樟槽)横截面梯形的上底所构成的面，顶面可能是假想的曲面或平面。2.6底面bottomsurface桦头(桦槽)横截面梯形的下底所构成的面，底面可能是平面或曲面。2.7顶角‘wedgeangle两侧面夹角:a(桦头),ac(桦槽)。2.8底角bottomangle平面底面与侧面的夹角:R(桦头),(3c(桦槽)。2.9禅头(禅槽)对称平面Broot(groove)symmetryplaneB桦头(摔槽)顶角a(ac)的角平分面。2.10禅头(禅槽)宽度平面Aroot(groove)widthplaneA1 HB5964一2002设计上给定的用于确定桦头(禅槽)宽度的平面，该平面垂直于禅头(樟槽)的对称平面。2.11底面高bottomsurfacehigh底面与桦头(桦槽)宽度平面A之间的距离:C(桦头)、Cc(槽)。2.12顶面高topsurfacehigh桦头(桦槽)前端面、顶面及桦头(桦槽)对称平面的交点至樟头(禅槽)宽度平面A的距离:D(桦头)、Dc(桦槽)。2.13禅头(桦槽)高root(groove)high桦头(桦槽)前端面、顶面及桦头(桦槽)对称平面的交点至底面的距离:H(樟头)、He(樟槽)。2.14禅头(禅槽)宽、t(groove)width在桦头(桦槽)宽度平面A上，两侧面间的距离:N(桦头)、Nc(桦槽)。2.15底面宽bottomsurfacewidth桦头(桦槽)横截面梯形的下底长度:Nd(桦头)、Ndc(榨槽)。图1叶片图2轮盘 HB5964一2002裤头对称平面B图3燕尾形榨头棒槽对称平面B图4燕尾形桦槽3基准选定3.1两种基准体系根据桦头、桦槽连接的结构特性，可在下述二种方法中选取一种基准体系。3.1.1以桦头、桦槽宽度平面和对称平面作为第一、第二基准(图5)0 HB5964一2002图5禅头、禅槽宽度平面和对称平面为基准3.1.2允许N樟头、榨槽底平面和对称平面作为第一、第二基准(图6)a⑧里困图6樟头、禅槽底平面和对称平面为基准连接结构类形叶片与轮盘的燕尾形连接结构分四种类型:类型1一基本型的轴向燕尾形连接顶角a为40。或60.连接结构型式按图70 HB5964一20021一带禅槽的轮盘;2一叶片榨头图7类型14.2类型2一带延伸段的轴向燕尾形连接顶角a为600或900连接结构型式按图80a1一带禅槽的轮盘;2一叶片桦头图8类型24.3类型3一带缘板并有回弧底面的轴向燕尾形连接顶角a为70。连接结构型式按图90 HB5964一20021一带桦槽的轮盘;2一叶片樟头图9类型34.4类型4一带缘板并有圆弧底面的周向燕尾形连接顶角a为90。连接结构型式按图1001一带禅槽的轮盘;2一叶片桦头图10类型45尺寸标注5.1类型1的禅槽横截面尺寸标注方法标注方法如图11所示，其尺寸系列见附录A中表A.to HB5964一20023mina在保证Lmax的前提下，满足3min的要求时，该尺寸可以不标注。图11类型1的禅槽横截面尺寸标注5.2类型1的样头横截面尺寸标注方法标注方法如图12所示，其尺寸系列见附录A中表A.2.a在保证Lmax的前提下，满足3min的要求时，该尺寸可以不标注。图12类型1的禅头横截面尺寸标注5.3类型2的掸槽横截面尺寸标注方法标注方法如图13所示，其尺寸系列见附录A中表A.3. HB5964一2002以1’T|︸阶.一Bc~一一一曰图13类型2的样槽横截面尺寸标注5.4类型2的禅头横截面尺寸标注方法标注方法如图14所示，其尺寸系列见附录A中表A.4o图14类型2的掸头横截面尺寸标注5.5类型3的禅槽横截面尺寸标注方法标注方法如图15所示，其尺寸系列见附录A中表A.5.(dc)图巧类型3的禅槽横截面尺寸标注 HB5964一20025.6类型3的禅头横截面尺寸标注方法标准方法如图16所示，其尺寸系列见附录A中表A.6o图16类型3的样头横截面尺寸标注只7︺:护类型4的禅槽横截面尺寸标注方法标准方法如图17所示，其尺寸系列见附录A中表A.7o图17类型4的禅槽横截面尺寸标注哎0﹂︺类型4的桦头横截面尺寸标注方法如图18所示，其尺寸系列见附录A中表A.8.图18类型4的禅头横截面尺寸标注 11B5964一2002形位公差及其标注禅头、禅槽横截面的形位公差桦头、桦槽横截面的形位公差包括:a)轮廓公差带;b)面轮廓度;c)平面度;d)平行度。形位公差的标注与连接类型的选用按表1.表1形位公差的选择基准连接类型轮廓公差带面轮廓度平面度平行度类型1△△△宽度平面和对称平面为类型2△△△设计基准类型3△△△类型4△△底平面和对称平面为设类型1△△△△计基准类型2△△△合当类型工、类型2的桦头、裨槽长度大于30n。时，可以增加桦头、掸槽侧面的平面度标注。当类型I,类型2的裨头、桦槽尺寸N,Nc小于10-时，建议不采用底平面与对称平面为设计基准。当需要非对称分布的轮廓公差时，应选用轮廓公差带进行标注。注1;△表示选用。6.2标注方法所示图例中的标注方法均按一种形位公差标注，设计人员可选择一种或几种进行组合标注。6.3轮廓公差带轮廓公差带的标注如图1906.3.1面轮廓度面轮廓度的标注如图加。注I:图示中的面轮廓度与圆弧半径的公差构成整个轮廓的公差带。注2:面轮廓度在同一次定位下检查。6.3.2平面度平面度的标注如图2106.3.3平行度平行度的标注如图220 HB5964一2002牌头轮廓公差骨示意图OxXx林梢轮库公差带示愈圈T.10盆X叉UUUNC图图19轮廓公差带标注图20面轮廓度标注11 RB5964一2002图21平面度标注图22平行度标注7表面粗糙度7.1禅头面的粗糙度桦头两侧面及侧面与延伸段之间的转接圆弧的表面粗糙度Ra值不大于0.8pm，底面不大于3.2pm，倒角区不大于3.214m，底面转接圆弧不大于l.6pmo7.2样槽面的粗糙度桦槽两侧面及侧面(或延伸段)与底面间的转接圆弧的表面粗糙度Ra值不大于0.8pm，底面、延伸段侧面不大于1.61imo上述表面粗糙度值均应在设计图样上具体标注。允许设计人员根据实际情况选择不同于8.1,8.2条的表面粗糙度值。12 HB5964一20028技术要求8.1禅头与禅槽的配合8.1.1桦头与桦槽连接的配合由设计师确定。8.1.2对于类型1、类型2的燕尾形直桦头，当桦头、桦槽宽N,Nc为理论正确尺寸时，底面高度Cc=C+△，选择适当的△可以获得所需要的配合。8.1.3对于类型1、类型2的燕尾形直桦头，当桦头、桦槽宽N,N。为带公差尺寸时，可以将禅头尺寸N进行分组，以确保连接处的配合。8.1.4对于类型1、类型2的燕尾形直桦头，允许研磨或磨削棒头底平面，以保证连接处的配合，但须在设计图样的技术条件中给出允许研磨或磨削的厚度。8.2几何形状及偏差8.2.1当任意一侧的底角例眯)合格时，另一侧的角度无需检查。允许根据二侧队队)的实际测定值确定a(ac)的实际偏差。8.2.2桦头(桦槽)延伸段相对于桦头(桦槽)纵向对称平面的对称度不大于0.06nnm。尺寸B(Bc)对榨头(榨槽)对称平面的对称度不大于0.lommo8.2.3取决于尺寸He(图23)的桦槽角度ac和眯的极限偏差见表20表2禅槽极限偏差HenunOc队大于至基本尺寸极限偏差基本尺寸极限偏差13一8"士8"36一7"士7"61040",600,900一6"450,600,700士6"1018一5尹士5，1830一4"士4，图23类型1,2的禅槽高8.2.4取决于尺寸C+U(图24)的桦头角度。和R的极限偏差见表30 HB5964一2002表3掸头极限偏差C+Dllu了1QP大于至基本尺寸极限偏差基本尺寸极限偏差13+8"士8"36+7"士7"610400,600,900+6"450,600,700士6"1018+5"士5"1830+4"士4"02-旦图24类型1,2的禅头高8.2.5+=900的类型2(图13)连接中，尺寸h1不小于尺寸Cc。8.2.6在桦头(桦槽)长度上，同一桦头(桦槽)尺寸N(Nc)之间的差异不大于表4中所示的数据。表4禅头、禅槽尺寸N,Nc差异单位为毫米桦头(桦槽)长度尺寸差N(Nc)大于至500.010501000.0151002000.0202000.0308.2.7同一个轮盘同一轴向位置处的桦槽尺寸Nc的偏差不大于0.02mmo标注示例标注示例参见附录Bo HB5964一2002附录A(规范性附录)尺寸系列A.1类型1,2,3,4榨头、桦槽尺寸系列可作为设计依据。A.2表A.1中的尺寸系列对应于图11樟槽。表A.1尺寸系列单位为毫米15 HB5964一2002表A.1《续)单位为毫米尺寸NcRc极限偏差口亡R7Nd,CcL-规格基本尺寸极限偏差.一0.2281.530.024.6113.5292.57.4302.032.026.61313.0322.034.027.59333.0342.036.029.59353.0400700+-0.035362.038.031.5919()373.08.8382.040.033.59393.0402.042.035.59413.0422.045.038.59433.0446.54.542.0457.55.541.70.8468.56.54479.57.544810.57.614.04912.09.11士0.032.51.05013.510.615115.012.115216.513.041.26006005316.513.041.5541.218.014.549.0551.53.0561.220.016.54571.5581.222.018.54+-0、.035591.512.06024.018.924.4612.016 HB5964一2002表A.1(续)单位为毫米尺寸Rc极限偏差Nd,Lmax规格基本尺寸极限偏差，一0.26215一-6326.020.92划-一6415-﹂6528.0229220一-64.41512.0--6730.024.9220-一6815-一6932.026.9220一-7020一-7134.027.0730--72600一600+-0.05320--7336.029.0730一7420--7538.031.0730--766.02019.0--”40.033.0730一一7820一-7942.035.0730一一8020-45.038.073081I}{}{表中数据对于风扇级的连接，允许把半径Rc增大到RclC,=0.30.仅适用于以底面为基准的尺寸标注。A.3表A.2中的尺寸系列对应于图12禅头表A.2尺寸系列单位为毫米尺寸了Ea归Nd(mDax)C工max规格极限偏差一20极限偏差+0.316.51.927.52.42.11.438.53.044007005505.09.52.952.12.861.410.53.772.1 HB5964一2002表A.21续)单位为毫米尺寸YEa日Nd(mDax)CL=x规格极限偏差一2`极限偏差十0.381.412.03.992.1101.413.54.43.65.0112.1121.415.05.4132.1141.716.55.6152.7161.718.06.64.4172.79.0181.720.07.6192.720{1.77.921一}22.02.7}222.124.08.95.6233.4242.140070055026.09.9253.413.5262.128.09.6273.4282.130.010.67.4293.4302.732.011.6314.1322.734.011.7334.1348.82.736.012.7354.119.0362.738.014.2374.1382.740.015.2394.1402.742.016.2414.118 HB5964一2002表A.2(续)单位为毫米尺寸YEaR从z(mDax)CL-规格极限偏差一20极限偏差+0.3422.740070055"45.018.28.819.0434.1446.52.32.0457.52.81.71.2468.53.44.0479.54.04810.54.04912.05.02.51.54.05013.55.55115.06.5521.816.57.0532.2541.818.08.09.0552.23.0561.820.09.0572.2581.822.010.05960060060"2.26024.09.6613.0622.226.010.6633.012.0642.228.011.64.4653.0662.230.012.6673.0682.232.013.6693.07034.013.0714.5723.036.014.06.019.0734.5743.038.016.0754.519 HB5964一2002表A.2(续)单位为毫米尺寸YE皿PNdCl.max规格极限偏差一20m(Da)x极限偏差十0.3763.040.017.0774.5783.060060060"42.018.06.019.0794.5803.045.019.0814.5A.4表A.3中的尺寸系列对应于图13桦槽。表A.3尺寸系列单位为毫米BcBlcNcrrlr2尺寸acPC基本极限基本极限基本极限公极限偏差极限偏差规格尺寸偏差尺寸偏差尺寸偏差妞一0.2+0.215.53.74.42.426.54.25.62.00.80.80.837.54.86.52.348.55.57.52.659.56.08.02.9610.56.59.0士0.033.21.01.01.0712.07.510.53.8813.58.512.04.2915.09.513.04.81016.510.514.05.01118.011.5巧.05.51.21.21.2600600H11H111220.012.517.56.01322.014.019.06.51424.015.520.67.51.51.51.51526.016.522.08.01628.018.024.38.5+0.032.02.02.01730.019.526.09.0一0.051832.020.628.010.01934.021.830.010.52036.023.031.511.02.52.52.52138.024.333.511.52240.025.834.512.020 HB5964一2002表A.3(续)单位为毫米BcsicNcrrlr2尺寸0CPC基本极限基本极限基本极限G6极限偏差极限偏差规格尺寸偏差尺寸偏差尺寸偏差.一0.2+0.22342.027.236.013.0600600HllHll+-0.0353.03.03.02445.029.040.014.0253.56.55.02.10.8263.80.8274.27.55.52.80.8284.5士0.03294.88.56.53.01.0305.11.0315.29.57.03.41.0325.5336.010.58.03.6346.51.51.21.2356.712.09.04.2367.1377.513.510.5+-0.0354.5388.0398.590045015.0H12H1212.05.02.01.4409.02.0419.116.513.05.5429.84310.018.014.06.01.84410.84511.020.015.57.02.54612.02.54722.017.07.52.24813.04913.024.018.08.55014.25114.026.020.09.03.02.83.05215.45315.328.022.09.55416.621 HB5964一2002表A.3《续)单位为毫米压BlcNcrrlr2尺寸仓C眯基本极限基本极限基本极限O6极限偏差极限偏差规格尺寸偏差尺寸偏差尺寸偏差吕一0.2+0.25516.530.024.010.03.02.85618.03.55717.532.025.011.05819.05934.027.011.56020.64.03.54.06120.036.028.012.56222.0900450H12H12+-0.0356321.038.029.013.66423.06522.040.031.014.55.06624.06723.042.033.015.05.04.06825.06924.045.035.016.07026.0吕适用于以禅槽底面为基准。“适用于以裨槽底面为基准，当以榨槽宽度平面为基准时C值应大于表中所列值0.1-0.20A.5表A.4中的尺寸系列对应于图14桦头。表A.4尺寸系列单位为毫米BBlrlr2E尺寸Q日极限偏差C极限偏差规格All+0.2一0.2+0.315.33.52.426.34.02.00.80.737.24.62.348.25.32.60.659.25.82.9600600610.16.23.21.00.9711.67.23.8813.18.24.2l914.69.24.81.61.21.11016.110.25.022 HB5964一2002表A.4(续)单位为毫米BBIrlr2E尺寸口p极限偏差C极限偏差规格hll+0.2一0.2+0.31117.611.25.51219.612.26.01.21.11321.613.76.51.61423.615.27.51.51.41525.616.28.01627.017.68.52.42.01.91729.019.09.06006001831.020.110.01933.021.310.52035.022.411.03.02.52.42137.023.711.52239.025.212.02341.026.613.03.53.02.82444.028.414.0253.36.12.10.7263.60.8274.07.12.80.6284.3294.68.13.00.9304.91.0315.09.03.40.8325.3335.790045010.03.6346.21.21.4356.411.44.2366.8377.212.94.51.0387.71.9398.214.45.02.0408.7418.815.95.53.0429.523 HB5964一2002表A.4(续)单位为毫米A.6表A.5中的尺寸系列对应于图15榨槽。24 HB5964一2002表A.5尺寸系列单位为毫米尺寸诊aNcNd