OS GSO ISO 21771:2013
ISO 21771:2007
Omani Standard
Current Edition
·
Approved on
09 September 2013
Gears -- Cylindrical involute gears and gear pairs -- Concepts and geometry
OS GSO ISO 21771:2013 Files
English
83 Pages
Current Edition
Reference Language
OMR
105.09
OS GSO ISO 21771:2013 Scope
Abstract
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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