Abstract
This document specifies the geometric concepts and parameters for cylindrical gears with involute helicoid tooth flanks. Flank modifications are included. The formulas 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.
General information
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Status: Under developmentPublication date: 2024-10Stage: International Standard under publication [60.00]
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Edition: 1
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Technical Committee :ISO/TC 60/SC 1ICS :21.200
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Life cycle
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Previously
PublishedISO 21771:2007
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Now