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Homepage>BS Standards>21 MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE>21.120 Shafts and couplings>21.120.30 Keys and keyways, splines>BS ISO 4156-1:2021 Straight cylindrical involute splines. Metric module, side fit Generalities
immediate downloadReleased: 2021-02-03
BS ISO 4156-1:2021 Straight cylindrical involute splines. Metric module, side fit Generalities

BS ISO 4156-1:2021

Straight cylindrical involute splines. Metric module, side fit Generalities

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Standard number:BS ISO 4156-1:2021
Pages:72
Released:2021-02-03
ISBN:978 0 539 03891 0
Status:Standard
DESCRIPTION

BS ISO 4156-1:2021


This standard BS ISO 4156-1:2021 Straight cylindrical involute splines. Metric module, side fit is classified in these ICS categories:
  • 21.120.30 Keys and keyways, splines

This document provides the data and indications necessary for the design and manufacture of straight (non-helical) side-fitting cylindrical involute splines.

Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined in the formulae and given in the tables. Unless otherwise specified, linear dimensions are expressed in millimetres and angular dimensions in degrees.


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