ISO 21771:2007

International Standard   Historical · Approved on 28 August 2007

Gears — Cylindrical involute gears and gear pairs — Concepts and geometry

ISO 21771:2007 Files

English 83 Pages
Historical
104.09 BHD

ISO 21771:2007 Scope

ISO 21771:2007 specifies the geometric concepts and parameters for cylindrical gears with involute helicoid tooth flanks. Flank modifications are included. It also covers the concepts and parameters for cylindrical gear pairs with parallel axes and a constant gear ratio, which consist of cylindrical gears according to it. Gear and mating gear in these gear pairs have the same basic rack tooth profile.

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