标准编号：ISO 4156-2:2021
中文名称：圆柱渐开线花键 米制模数的侧面配合 第2部分： 尺寸
英文名称：Straight cylindrical involute splines — Metric module, side fit — Part 2: Dimensions
发布日期：2021-02
标准范围
This document specifies geometry and inspection dimensions for the design and manufacture of straight
(non-helical) side-fitting cylindrical involute splines.
Limiting dimensions, tolerances, manufacturing errors and their effects on the fit between connecting
coaxial spline elements are defined and tabulated. Linear dimensions are expressed in millimetres and
angular dimensions in degrees.
The specified diameters for external splines in the geometry tables and the values in the inspection
dimension tables are only valid for fundamental deviation “h”.
For fundamental deviations other than “h”, diameters and tooth thicknesses are calculated for external
splines according to the formulae in ISO 4156-1 and inspection dimensions according to the formulae in
ISO 4156-3.
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