ISO 9982:2021
Belt drives — Pulleys and V-ribbed belts for industrial applications — PH, PJ, PK, PL and PM profiles: dimensions
This document specifies the principal dimensional characteristics of V-ribbed pulley groove profiles, together with the corresponding endless V-ribbed belts, of PH, PJ, PK, PL and PM profiles which are used for general industrial applications except elastic belts.
The PK belt was originally established for automotive accessory drive applications and ISO 9981 deals specifically with that particular field.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Pulleys
5.1 Groove dimensions and tolerances
5.2 Minimum effective diameter
5.3 Tolerances on finished pulley
5.3.1 Checking conditions
5.3.2 Groove-to-groove diameter tolerances
5.3.3 Radial circular run-out
5.3.4 Axial circular run-out
5.3.5 Diameter over balls
5.3.6 Groove finish
5.4 Pitch diameter, dp
5.5 Designation of pulleys
6 Belts
6.1 Belt dimensions
6.2 Measurement of effective belt length
6.2.1 Measuring fixture — Apparatus
6.2.2 Measuring force
6.2.3 Procedure
6.2.4 Manufacturing tolerances
6.3 Measurement of centre distance variation
6.4 Designation of belts
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Pulleys
5.1 Groove dimensions and tolerances
5.2 Minimum effective diameter
5.3 Tolerances on finished pulley
5.3.1 Checking conditions
5.3.2 Groove-to-groove diameter tolerances
5.3.3 Radial circular run-out
5.3.4 Axial circular run-out
5.3.5 Diameter over balls
5.3.6 Groove finish
5.4 Pitch diameter, dp
5.5 Designation of pulleys
6 Belts
6.1 Belt dimensions
6.2 Measurement of effective belt length
6.2.1 Measuring fixture — Apparatus
6.2.2 Measuring force
6.2.3 Procedure
6.2.4 Manufacturing tolerances
6.3 Measurement of centre distance variation
6.4 Designation of belts
Bibliography