JBT 8236-1996 滚动轴承 双列和四列圆锥滚子轴承游隙及调整方法

J11JB/T8236－96滚动轴承双列和四列圆锥滚子轴承游隙及调整方法1996-09-03发布1997-07-01实施中华人民共和国机械工业部发布I前言本标准是对ZBJ11005—87《双列和四列圆锥滚子轴承径向游隙》和ZBJ11015—88《滚动轴承双、四列圆锥滚子轴承游隙调整方法》的修订。本次修订将上述两个标准合并为一个标准，本标准与原标准相比，在技术内容上增加了370000型轴承游隙的调整方法。本标准自生效之日起，同时代替ZBJ11005—87和ZBJ11015—88。本标准由全国滚动轴承标准化技术委员会提出并归口。本标准起草单位：洛阳轴承（集团）公司。本标准主要起草人：李欣、黄铎。JB/T8236－9611范围本标准规定了350000、350000D1、370000和380000型双列和四列圆锥滚子轴承（以下简称轴承）的径向游隙及其轴向游隙的换算和调整方法。本标准适用于轴承制造厂配制轴承游隙、装配检验和用户对轴承游隙的选用。2符号d：轴承公称内径Gr：轴承径向游隙Ga：轴承轴向游隙α：轴承公称接触角M：测量用辅助垫块的高度C1C1：轴承内隔圈宽度D1D1：轴承上部外隔圈宽度B1B1：轴承下部外隔圈宽度e：系数X和Y不同值时Fa/Fr适用范围的界限值3轴承游隙3.1轴承的径向游隙按表1。表1双列和四列圆锥滚子轴承径向游隙μm公称内径dmm1组2组0组3组4组5组超过到minmaxminmaxminmaxminmaxminmaxminmax–30010102020304050506070803040012122525404560607580954050015153030455065658090110506501515303050507070909012065800202040406060808011011015080100020204545707010010013013017010012002525505080801101101501502001201400303060609090120120170170230140160030306565100100140140190190260机械工业部1996-09-03批准中华人民共和国机械行业标准滚动轴承双列和四列圆锥滚子轴承游隙及调整方法JB/T8236－96代替ZBJ11005—87ZBJ11015—881997-07-01实施JB/T8236－962表1（完）μm公称内径dmm1组2组0组3组4组5组超过到minmaxminmaxminmaxminmaxminmaxminmax1601800353570701101101501502102102801802000404080801201201701702302303102002250404090901401401901902602603402252500505010010015015021021029029038025028005050110110170170230230320320420280315060601201201801802502503503504603153550707014014021021028028039039051035540007070150150230230310310440440580400450080801701702602603503504904906504505000909019019029029039039054054072050056001001002102103203204304305905907905606300110110230230350350480480660660880630710013013026026040040054054074074091071080001401402902904504506106108308301100800900016016033033050050067067092092012409001000018018036036054054072072098098013001000112002002004004006006008201120125002202204504506706709001250140002502505005007507509803.2轴承的轴向游隙可按式（1）或式（2）进行换算：Ca=Gr·cotα························································································（1）Ga=Gr×1.5/e······················································································（2）4轴承轴向游隙调整方法轴承轴向游隙的调整采用配制内、外隔圈（除350000D1外）的方法。4.1调整前的准备4.1.1轴承成品零件经检验合格后应清洗干净。4.1.2游隙调整在工作台、平板或3~4块为一组的支承块上进行。同一组支承块的高度相互差应小于被测轴承内隔圈两端面平行差的50%。4.2轴承轴向游隙的调整4.2.1350000型轴承（见图1）按图2位置Ⅰ测量DC，位置Ⅱ测量BC，尺寸CC由式（3）决定：CC=DC+BC–BD····················································································（3）若所要求的轴向游隙为Ga，则内隔圈宽度为：C1C1=CC+Ga·························································································（4）JB/T8236－963350000型图1图24.2.2350000D1型轴承（见图3）测量DC、BC同4.2.1。实际轴向游隙按式（5）计算：Ga=BD–（DC+BC）················································································（5）350000D1型图3若测量后由上式算得的轴向游隙不符合由径向游隙换算得来的轴向游隙时，则需要修磨套圈或调换零件，以满足规定要求。4.2.3370000型轴承（见图4）按图5位置Ⅰ测量AB，位置Ⅱ测量EB，测量时在外圈上面加上另一外圈，尺寸BB由式（6）决定：BB=AB+EB–AE······················································································（6）若所要求的轴向游隙为Ga，则外隔圈宽度B1B1按式（7）计算：B1B1=BB+Ga··························································································（7）JB/T8236－964370000型图4图54.2.4380000型轴承（见图6）4.2.4.1内隔圈宽度C1C1的确定按图7位置Ⅰ测量DC，位置Ⅱ测量BC，尺寸CC由式（8）决定：CC=DC+BC–BD····················································································（8）若所要求的轴向游隙为Ga，则C1C1按式（9）计算：C1C1=CC+Ga·························································································（9）380000型图6JB/T8236－965图74.2.4.2外隔圈宽度B1B1和D1D1的确定按图8位置Ⅰ测量DD，位置Ⅱ测量BB，测量时在单滚道外圈上面加上另一单滚道外圈，并在两内圈之间圆周方向均匀地垫上三块辅助垫块M，取：M≥CC+（5~10）（mm）。上、下外隔圈宽度分别按式（10）、式（11）计算：D1D1=DD–（M–CC）+Ga······································································（10）B1B1=BB–（M–CC）+Ga········································································（11）图85调整要求5.1垫块M的高度相互差应小于被测轴承内隔圈两端面平行差的50%。5.2测量前应分别旋转各列滚子和套圈，以保证轴承各部件都处于正常的位置。5.3测量时，应使组装在下部的内圈定位端面处于水平位置。JB/T8236－9665.4沿圆周方向等距离测量四点，取其算术平均值作为实际测量尺寸。四点测得值的相互差应符合以下规定：当轴承外径小于或等于440mm时，相互差应不大于0.08mm；当轴承外径大于440mm时，相互差应不大于0.15mm。如四点测得值的相互差超过以上规定时，应再次旋转各列滚子和套圈，使其处于正常位置。6标志及测量说明书6.1标志6.1.1在完成轴向游隙调整后的轴承套圈所有端面及隔圈的外表面上，应分别标志出按图1、图3、图4和图6所示字母的零件置放位置代号及轴承序号、生产年号。其排列如下：字母标记和轴承序号之间用破折号隔开，生产年份标记在序号之后。6.1.2标志示例1995年生产的第118套四列圆锥滚子轴承，其套圈端面、隔圈外表面按调整后的位置顺序，分别标志为：A—11895D—11895B1B1—11895B—11895E—11895D1D1—11895C—11895C1C1—118956.1.3轴承零件的标记应确保在轴承寿命期内清晰可见。6.2测量说明书6.2.1每套成品轴承应附有规定格式的轴承轴向游隙测量说明书，并装在防油纸袋内。6.2.2轴承轴向游隙测量说明书内容及格式如下：轴承型号××轴承厂（公司）轴承轴向游隙测量说明书轴承序号1隔圈宽度B1B1=D1D1=C1C1=2轴向游隙Ga=径向游隙Gr=3轴承安装时，应根据零件标记严格按上图所示顺序进行组装，不得混乱检查员检查科长日期示意图（见图1、图3、图4、图6）生产年号轴承序号置放位置代号JB/T8236－96中华人民共和国机械行业标准滚动轴承双列和四列圆锥滚子轴承游隙及调整方法JB/T8236－96*机械科学研究院出版发行机械科学研究院印刷（北京首体南路2号邮编100044）*开本880×12301/16印张3/4字数12,0001997年1月第一版1997年1月第一次印刷印数1－500定价10.00元编号97－014机械工业标准服务网：