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ISO 21771:2024

ISO 21771:2024 Cylindrical involute gears and gear pairs – Part 1: Concepts and geometry

CDN $390.00

Description

This document specifies the geometric concepts and parameters for cylindrical gears with involute helicoid tooth flanks. Flank modifications are included. The formulae in this document apply to all pressure angles.

It also covers the concepts and parameters for involute cylindrical gear pairs with parallel or crossed axes, and a constant gear ratio. Gear and mating gear in these gear pairs have the same basic rack tooth profile.

Edition

1

Published Date

2024-10-24

Status

PUBLISHED

Pages

159

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the geometric concepts and parameters for cylindrical gears with involute helicoid tooth flanks. Flank modifications are included. The formulae in this document apply to all pressure angles.

It also covers the concepts and parameters for involute cylindrical gear pairs with parallel or crossed axes, and a constant gear ratio. Gear and mating gear in these gear pairs have the same basic rack tooth profile.

Previous Editions

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