90.93 Standard confirmed Jun 10, 2024
ISO
ISO/TC 10/SC 6 Mechanical engineering documentation
International Standard
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.
PUBLISHED
ISO 2203:1973
90.93
Standard confirmed
Jun 10, 2024