This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
Establishes how to draw the toothed portion of gears including worm gearing and chain wheels. Applicable to detail drawings (individual gears) and assembly drawings (gear pairs). As a fundamental principle a gear is represented (except in axial section) as a solid part without teeth, but with the addition of the pitch surface in a thin long dash-and-dot line. For uniformity all figures are in first angle projection.
Status : PublishedPublication date : 1973-03
Edition : 1Number of pages : 6
Technical Committee:Mechanical engineering documentation
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