ANSIB921-1970SAE花键标准

1、17书筌J5ANSI B92. 1-1970 SAE 花键标准INVOLUTE SPLINES渐开线花键Form Circle is the circle which defines the deepest points of involute form control of the tooth profile. This circle along with the tooth tip circle (or start of chamfer circle) determines the limits of tooth prof i 1c requiring control. It is loc

2、ated near the major circle on the internal spline and near the minor circle on the external spline.渐开线终止1渐开线终止圆是用于控制齿廓上渐开线的极限距离的圆。渐开线 终止网与齿顶网（或者修线线的起点所在的国）共同限制了所要求控制的渐升线 齿廊的范围。渐开线终止圆的位置靠近内花键的大圆（齿根圆）或者外花键的小 H （齿根圆）o 译者注：这段话的意思是：只右在渐开线终止I 在的圆）之间的花犍的齿形为渐开线齿形，其余部分不一定按照渐开线成形。译者注2：在GB/T 3478. 1T995圆柱直齿渐开线

3、花键中，将Form Cycle定 义为两个快I：内花键的渐开线终止圆和外花键的渐开线起始圆.而在本标准中, 将这两个词统称为Form Cycle,译者将Form Cycle翻译为渐开线终止Form Clearance (cr) is the radial depth of involute profile beyond the圆(齿根圆), 译者注：这段话的意思是：只有在渐开线终止圆思齿顶圆(或各修缘线的起点所 在的画)之间的花键的齿形为渐开线齿形，其余部分不一定按照渐开线成形。译者注2：在CGB/T 3478.1-1995圆柱直齿渐开线花键中，将Form Cycle定 义为两个圆：内花键的渐

4、开线终止网和外花键的渐开线起始圆。而在本标准中， 将这两个圆统称为Form Cycle,译者将Form Cycle翻译为渐开线终止圆。Form Clearance (cj is the radial depth of involute profile beyond the depth of engagement with the mat i ng part. Tt al lows for looseness between mating splines and for eccentricities between the mi nor circle (internal), the major

5、circle (external)and their respective pi tch circles.齿形裕度:齿形裕度(c.)是相互配合的内、外花键的渐开线齿廊在径向方向上 的间隙。齿形裕度是的裕配合的内、外花键之间形够存在一定松动,并H是的 内花锭的小圆(齿顶圆)，外花锭的大圆(齿顶圆)、以及内、外花键各自的苴 圆之间存在一定的偏心距。Form Diameter (DP, DP1) the diameter of the form circle.渐开线终止圆宜.径(鼠，DQ ：渐开线终止圆所在圆的直径。Internal Spl ine is a spl ine formed on th

6、e inner surface of a cyl irider.内花键:在圆柱体的孔的内表面形成的花锭。Involute Spline is one having teeth with involute profiles.渐开线花键：花锭的健齿的齿形为渐开线形式的花锭。2 f3 Lead Variation is the variation of the direction of the spline tooth from its intended direction parallel to the reference axis, also including parallel ism and

7、 alignmcnL variat ions (sec Fig. la). Note: Straight (nonhelical) splines have an infinite lead.导向公差:导向公差是花键的健齿的实际齿线与花键的参考轴线之间的平行度公 差，这个公差包括平行度公差和圆周阵列公差(见图Fig.la)。泞总：汽齿花 键(非螺旋花键)的导向公差为无穷大。译者注：这一条解粽有待埒的。Length of Engagement (LJ is the axial length of contact between mating spl i nes.结合长度(L.)：结合长度是两个相

8、互配合的内、外花键之间的接触段的长度。Mach i n i ng Tol erance (m) is the permissible variation in actual space width or actual tooth thickness.加工公差(m)：加工公差是花铺的实际齿槽宽和实际齿疗的允许的变动量。译者注：在GB/T 3478. H1995圆柱直齿渐开线花键中，将加工公差定义为 ToMajor Circle is the circle formed by the outermost surface of the spl ine. Tt is the outside circl

9、e (tooth tip circle) of the external spl ine or the root circle of the internal spline.大圆:大圆是花键的最大齿形面的包络园。它是外花键是外圆(齿顶圆),和内 花键的齿根圆。SS 口2 f3 Machining lo Ie rance (m) is the permissible variation in actual space width or actual tooth thickness.加工公差5)：加工公差是花链的实际齿槽宽和实际齿用的允许的变动量。译者注：在GB/T 3478. 1-1995圆柱直

10、齿渐开线花键中，将加工公差定义为ToMajor Circle is the circle formed by the outermost surface of the spline. It is the outside circle (tooth tip circle) of the external spline or the root circle of the internal spl ine.大厢大圆是花锭的最大齿形面的包络圆。它是外花键的外圆(齿顶圆)，和内 花键的齿根圆。Major Diameter (D> Dri) is the diameter of the major

11、circle.大圆直径:大圆直径(D,“ D.)是大圆所在圆的宜径。译者注：在GB/T 3478. 1-1995圆柱直齿渐开线花锭中，将大圆直径定义为:内花键八、外花键人。Minor Circle is the circle formed by the innermost surface of the spl ine. It is the root circle of the external spline or the inside circle (tooth tip circle) of the internal spline.小圆;小圆是花健的最小齿形面的排斥阴。它是外花键的齿根圆,和内

12、花小的内 圆(齿顶圆)0Minor Diameter DJ is the diameter of the minor circle.SS 口3 f5小圆直径:小圆直径(Ds D )是小圆所在圆的直径。译者注：在GB/T 3478. 1T995圆柱直齿渐开线花键中，将小圆直径定义为: 内花键必、外花键儿。Nominal Clearance is the actual space width of an internal spline minus the actual tooth thickness of the mating external spline. It does not define

13、 the fit between mating members, because of the effect of variat ions.理论侧隙:理论侧隙是内花键的实际齿槽宽减去Lj之相”配仆的外花键的实际齿 厚所得的值。由于内、外花键在配合时会产生一定的公差，所以理论侧隙不能够 用于确定相互配合的内、外花键之间的间隙。Out of Roundness is the variation of the spline from a true circular configuration.圆度:胆度是花键是真圆的圆用之间的公差。Parallel ism Varicit ion is the va

14、riation of parallel ism of a single spl ine tooth wi th respect to any other single spl ine tooth (see Fig. lb).壬红度公差:%i度公差是单根键齿相对其它的单根键齿之间的平行度公差。(见 图 Fig. 1b)Pilch (P/PJ is ci combination number of a one-to-two ratio indicating the spl ine proportions; the upper or first number is the ditimctral pi

15、 tch, the lower or second number is the stub pitch and denotes, as that fractional part of an inch, the basic radial length of engagement, both above and below the pitch circle.Out of Roundness is the variation of the spl ine from a true circular configuration.圆度:圆度是花铳与真圆的圆廓之间的公差。Parallelism Variati

16、on is the variation oT parallel ism of a single spl ine tooth with respect to any other single spline tooth （see Eig. lb）.平行度公差:平行度公差是单根键齿相对其它的单根键齿之间的平行度公差。（见 图 Fig. 1b）Pi tch （P/Pj is a combination number of a one to two rat io indicat ing the spl ine proportions; the upper or first number is the d

17、iametral pitch, the lower or second number is the stub pitch and denotes, as that fractional part of an inch, the basic radia 1 length of engagement, both above and below the pitch circle.径节分数（P/R）：径节分数是由两个数组成的个比率，它表示的是花键的比 例；设这个比率为A/B （这个分数用英寸表示），则在这个分数中第一个数（分 子）八表示的是花键的径节.笫二个数（分母）R表示的是残氽径节,径节表示 的是

18、在节圆上方的键齿在半径方向上的结合长度，残余径节衣示的是在书圆下方 的键齿在半径方向上的结合长度。译者注：可以理解为苴圆将整个花键键齿分为二，节网上方的键齿的齿高为筐 至，甘顶卜方的键齿的齿高为残余径节。在实际计算时要考虑到渐开线终止性叮 修缘线所在圆对键齿有效结合齿高的影响,并将其扣除。Pitch Circle is the reference circle from which al 1 transverse sp1ine tooth dimensions are constructed.是个参考圆，花键的键齿的所有的演向尺山都是以苴圆为基础开始计算的。Pi Lch Di time ter

19、 (D) is the diameter of the pi tch circle.节圆直径(D)：节圆直径是节圆所在国的直件。Pilch Point is the intersection of the spline tooth profile wi th the pitch circle.节点:主点是键齿的齿麻与节圆的交点。Pressure Angle (<|>) is the angle between a line tangent to an involute and a radial Iinc through the point of tangency. Unless o

20、Lhcnvise specified, it is the standard pressure angle.压力角(<1>)：压力角是花卷的渐开线齿廓的切线人通过切点的半径所组成的夹 除非有特殊说明，压力角通常是指标准压力角cProfile Variation is any variation from the specified tooth profile normal to the flank.齿形误差:齿彩退差是特定的齿麻相对齿恻的任何公差。译者注：这i条解葬有待斟酌。Spline is a machine element consisting of integral key

21、s (spline teeth) or keyways (spaces) equally spaced around a circle or portion thereof.花键:花键是种机械零件，它由凸出的齿（键黄）或凹下的沟（齿槽）组成,移£4 f3 specified, it is the standard pressure angle.压力角（4）：压力倒是花健的渐开线齿廓的切线与通过切点的主径所组成的交 ao除非TF特殊说明，压力角通常是指标准压力角。Profi lc Vari at ion is iny variat ion from the spcci f icd to

22、oth prof i 1c normal to the flank.齿度误差：齿芨误差是特定的齿麻相对齿恻的任何公茏。译者注；这一条解称有待斟酌。Spline is a machine element consisting of integral keys （spline teeth） or keyways （spaces） equally spaced around a circle or portion thereof.花键:花锭是一种机械零件，它由凸出的齿（键齿）或凹下的沟（齿梢）组成， 键齿和键槽等分一个完成圆或者部分圆弧。Standard （Main） Pressure /nglc

23、（。行）is the pressure <mgle at the speci Tied pitch dhimeter.标准压力加（弧）（主压力角）:标准压力角是指恃定在节圆上的压力角。Stub Pitch （P<） is a number used to denote the radial distance from the pitch circle to the major circle of the external spline and from the pitch circle to the minor circleof the internal spline. The s

24、tub pitch for splines in this standard is twico the diametral pitch.残余径节（PD :残余径节是一个数,它川于我示节圆万外花键的大圆或内花键 的小圆之间的半径差。在本标准中，花键的残氽径节是径节的2倍。Total Index Variation is the greatest difference in any two teeth (adjacent or otherwise) between the actual and the perfect spacing of the tooth prof i les.齿距累计误差:齿

25、距累计误差是任意两齿的实际弧长与理论弧长之龙的展大绝对 值M译者注：这条解释有待斟削。Total Tolerance (m + X ) is the machining tolerance plus the variation allowance.总公差(m +入)：总公差是加工公差与综合公差之和。译者注：在GB/T 3478. 1-1995圆柱直齿渐开线花键中，将总公差定义为: T+入。Vhiriat ion Al lowance (X) is the permissible effective variation.综合公差(X ):综合公差是在允许范围内的综合的公差。Tooth Propo

26、rtions.There are 17 pitches: 2.5/5, 3/6, 4/8, 5/10, 6/12, 8/16, 10/20, 12/24, 16/32, 20/10, 24/48, 32/64, 40/80, 48/96, 64/128, 80/160, and 128/256. The numerator in this fractional designation is known as the diametral pitch and controls the pitch diameter; the denominator, which is always double the numerator, is known as the stub pitch and controls the tooth depth. For convenience in calculation, only the numerator is used in the formulas given and is designated as P. Diametral pilch, as in gc&rs, means the number of teeth per in