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ISO 2203:1973

Technical drawings — Conventional representation of gears ISO 2203:1973

Publication date:   Mar 1, 1973

General information

90.93 Standard confirmed   Jun 10, 2024

ISO

ISO/TC 10/SC 6 Mechanical engineering documentation

International Standard

21.200   Gears | 01.100.20   Mechanical engineering drawings

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 2203:1973
90.93 Standard confirmed
Jun 10, 2024