Discussion on the Formula in ISO 21771:2007
Li Qing
Guo Yong
Abstract：The analysis and discussion of the calculation formulas in the ISO 21771:2007 (Gears-Cylindrical involute gears and gear pairs-Concepts and geometry) are carried out,and the contrast and analysis of the formulas in DIN ISO 21771:2014,ISO 21771:2007 and DIN 21773:2014 are carried out.Some suggestions are proposed for the improper parts of the formula,in order to provide reference for standard revision and users.
Keywords：ISO 21771:2007DIN 21773:2014Calculation formulaWrong
Publication Date：2018-01-01
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：4( 76-79 )