The scope of this standard includes, on the one hand, all embodiments of cylindrical gears with involute teeth, namely both external and internal gears with straight, bevel or arrow teeth, and on the other hand, all manufacturing methods, namely both machining and non-machining methods for manufacturing gears.
NEN 5285-1979 history
1979NEN 5285-1979 Cylindrical involute gears Dimensional accuracy and tolerances of form and position Definitions