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ISO 21771:2007

Gears - Cylindrical involute gears and gear pairs - Concepts and geometry
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ISO 21771:2007

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

PUBLISH DATE 2007
ISO 21771:2007

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.

SDO ISO: International Organization for Standardization
Document Number ISO 21771
Publication Date Sept. 1, 2007
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 60/SC 1
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