GB/T 12759-1991: Double-circular-arc tooth profile of basic rack for cylindrical gears

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Scope

This Standard specifies the basic tooth profile of double circular arc cylindrical gears,
that is, the tooth profile of the basic rack in the normal plane.
This Standard applies to double-circular-arc cylindrical gears with normal module mn
= 1.5~50 mm and their transmission.

Basic Data

Standard ID	GB/T 12759-1991 (GB/T12759-1991)
Description (Translated English)	Double-circular-arc tooth profile of basic rack for cylindrical gears
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J17
Classification of International Standard	21.2
Word Count Estimation	5,543
Date of Issue	3/22/1991
Date of Implementation	1/1/1992
Summary	This standard specifies the basic double arc cylindrical gear tooth profile, that is the basic law in the plane of the rack tooth profile. This standard applies to normal modulus m (n) = 1. 5 ~ 50mm twin circular cylindrical gear and drive.