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Abstract

This Standard establishes a system of accuracy relevant to radial composite deviations of individual cylindrical involute gears. It specifies the appropriate definitions of gear tooth accuracy terms, the structure of the gear accuracy system and the allowable values of the above mentioned deviations. The radial measurement accuracy system has different grade ranges than elemental ranges in JIS B 1702-1. The diameter and module ranges for radial composite deviations and runout are also different. The radial composite accuracy system comprises 9 accuracy grades for Fi" or fi" of which grade 4 is the highest and grade 12 is the lowest. The medule range extends from 0.2 mm to 10 mm and the diameter range from 5.0 mm to 1000 mm, see clauses 6 and 7. Annex A gives tables based on the formulae in clause 7. Runout is defined in annex B and values are not given in the standard for determining accuracy grade 6. Annex B provides information on runout for use if agreed upon between purchaser and manufacturer.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN
Supersedes	JIS B 1702:1976