Your cart is currently empty!

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
Format 
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment

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
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 80004:2011 Nanotechnologies – Vocabulary – Part 7: Diagnostics and therapeutics for healthcare
0 out of 5CDN $115.00 Add to cart -
ISO 16520:2025 Tourism and related services – Restaurants and catering – Vocabulary
0 out of 5CDN $173.00 Add to cart -
ISO 10110:2019 Optics and photonics – Preparation of drawings for optical elements and systems – Part 1: General
0 out of 5CDN $312.00 Add to cart -
ISO 2574:1994 Aircraft – Electrical cables – Identification marking
0 out of 5CDN $115.00 Add to cart