Customer Support: 131 242

  • Shopping Cart
    There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

ISO 21771-1:2024

Current

Current

The latest, up-to-date edition.

Cylindrical involute gears and gear pairs — Part 1: Concepts and geometry

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

24-10-2024

$484.42
Including GST where applicable

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.

Committee
ISO/TC 60/SC 1
DocumentType
Standard
Pages
159
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
DS/ISO 21771-1:2024 Identical

$484.42
Including GST where applicable