ansib92.1-1970(r1993)sae美国渐开线花键-中文翻译完整版042903598

《ansib92.1-1970(r1993)sae美国渐开线花键-中文翻译完整版042903598》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、实用文案SPLINESANDSERRATIONS（翻译：朱晓峰,浙江，金华）Asplinedshaftisonehavingaseriesofparallelkeysformedintegrallywiththeshaftandmatingwithcorrespondinggroovescutinahuborfitting;thisarrangementisincontrasttoashafthavingaseriesofkeysorfeathersfittedintoslotscutintotheshaft.Thelatterconstructi

2、onweakenstheshafttoaconsiderabledegreebecauseoftheslotscutintoitandconsequently,reducesitstorque-transmittingcapacity.花键轴是一种具有“一系列相互平行的齿、并且齿与轴整体成型”的轴，它与在轮毂上或者装配体上开的键槽相配合。这种装置与“在轴上开槽并且与一组销子或者楔键相配合”的结构相反。后者的结构由于在轴上开槽大大降低了轴（的强度），降低了传递扭矩的能力。Splinedshaftsaremostgenerallyusedinthree

3、typesofapplications:1)forcouplingshaftswhenrelativelyheavytorquesaretobetransmittedwithoutslippage;2)fortransmittingpowertoslidably-mountedorpermanently-fixedgears,pulleys,andotherrotatingmembers;and3)forattachingpartsthatmayrequireremovalforindexingorchangeinangularposition.花

4、键轴主要用在以下三种情况：1）需要在无滑动的联轴器上传递大的扭矩；2）用于向“可滑动的装配组件”或者“固定装配的齿轮组或滑轮副”传递动力，3）用于“要求指定滑移量或转角位置”的配件上。译注A1：“slidably-mounted”例如球笼式等速万向节，万向节同时能转动一定角度；“ermanently-fixedgears”例如齿轮变速箱。（凡是带“译注”的，表示译者的理解，下同）Splineshavingstraight-sidedteethhavebeenusedinmanyapplications(seeSAEParallelSideSplin

5、esforSoftBroachedHolesinFittings);however,theuseofsplineswithteethofinvoluteprofilehassteadilyincreasedsince1)involutesplinecouplingshavegreatertorque-transmittingcapacitythananyothertype;2)theycanbeproducedbythesametechniquesandequipmentasisusedtocutgears;and3)theyhaveaself-c

6、enteringactionunderloadevenwhenthereisbacklashbetweenmatingmembers.具有“直边式齿形”的花键已经适用于多种场合（请查看“用于软拉削加工成型的直边式花键”）；然而，“齿侧具有渐开线形状的花键”的使用正在逐步的增长，原因如下：1）渐开线花键传递扭矩的性能超过其他形式；2）可用加工齿轮的技术或设备来加工；3）在内齿和外齿配合情况下产生的反作用力具有自定心功能。译注A2：“ParallelSideSplines”指的是矩形花键，文中翻译成“直边式花键”，见《GB/T1144矩形花键尺寸、公差

7、和检验》；译注A3：“SAEParallelSideSplinesforSoftBroachedHolesinFittings”指SAEJ499A，一种类似GB/T1144的标准。InvoluteSplinesAmericanNationalStandardInvoluteSplines*.—Thesesplinesormultiplekeysaresimilarinformtointernalandexternalinvolutegears.Thegeneralpracticeistoformtheexternalsplineseitherbyh

8、obbing,rolling,oronagearshaper,andinternalsplineseitherbybroa