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发表于 2008-9-18 09:01:48
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来自： 中国浙江宁波
下文摘自ANSI B92.1-1996。自己看吧。& `! t' e) U9 O7 ?. V+ m( {; l! @
Diametral Pitch, P-The number of spline teeth per inch of pitch diameter. The diametral pitch determines the circular pitch and basic space width or tooth thickness.6 V& b, [7 z% {
In conjunction with the nuiiibei of teeth, it also determines the pitch diameter.4 ^5 D, t! @0 B( A3 w6 K2 O7 c
Stub Pitch, Ps,-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 circle of the internal spline. The stub pitch for splines in this standard is twice the diametral pitch., U$ J; d+ K1 T
Spline Pitch, P/Ps,-A combination number of a one to two ratio indicating the spline proportions; the upper or first number is the diametral pitch, the lower or second1 i2 v3 q" K- ]
number is the stub pitch and denotes the basic radial length of engagement, both above and below the pitch circle. |
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