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Hlavní stránka>BS ISO 4156-2:2021 Straight cylindrical involute splines. Metric module, side fit Dimensions
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sklademVydáno: 2021-02-09
BS ISO 4156-2:2021 Straight cylindrical involute splines. Metric module, side fit Dimensions

BS ISO 4156-2:2021

Straight cylindrical involute splines. Metric module, side fit Dimensions

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Označení normy:BS ISO 4156-2:2021
Počet stran:384
Vydáno:2021-02-09
ISBN:978 0 539 03893 4
Status:Standard
Popis

BS ISO 4156-2:2021


This standard BS ISO 4156-2:2021 Straight cylindrical involute splines. Metric module, side fit is classified in these ICS categories:
  • 21.120.30 Keys and keyways, splines

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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