ANSIB9211970SAE美国渐开线花键中文翻译完.docxVIP

翻译：朱晓峰 节选至《美国机械工程师手册》第28版，有错之处，请指正。 SPLINES AND SERRATIONS A splined shaft is one having a series of parallel keys formed integrally with the s mating with corresponding grooves cut in a hub or fitting; this arrangement is in cont shafthaving a seriesof keys or feathersfittedinto slotscut intothe shaft.The latter constructiowneakens theshaftto a considerabldeegreebecauseof theslotscut intoitand consequently, reduces its torque-transmitting capacity. 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。 Splined shafts are most generally used in three types of applications: 1 ) for coupl when relativelhyeavy torquesare to be transmittewdithoutslippage;2) for transmitting power to slidably-mounted or permanently-fixed gears, pulleys, and other rotating memb and 3) for attaching parts that may require removal for indexing or change in angular 花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-mount”ed例如球笼式等速万向节，万向节同时能转动一定角度；“ermanently-fixed ge”a例rs如齿轮变速箱。（凡是带“译注”的，表示译者的理解，下同） Splines having straight-sided teeth have been used in many applications (see SAE Par Side Splines for Soft Broached Holes in Fittings); however, the use of splines with te involuteprofilehas steadilyincreasedsince 1) involutesplinecouplingshave greater torque-transmitticnagpacitythan any othertype;2) they can be produced by the same techniquesand equipment as isused to cutgears;and 3) theyhave a self-centeriancgtion under load even when there is backlash between mating members. 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 ：“Parallel Side Spl”in指es的是矩形花键，文中翻译成“直边式花键”，见《GB/T 1144 矩形花键尺寸、公差和检验》；译注A3 ：“SAE Parallel Side Splines for Soft Broached Holes”in指FSiAtEtiJn4g9s9A ，一种类似GB/T 1144的标准。 Involute Splines American National Standard Involute Spl—ineTsh*e.se splines or multip