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.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
FOREWORD
1 SCOPE AND FIELD OF APPLICATION
2 DETAIL DRAWINGS (INDIVIDUAL GEARS)
2.1 Contours and edges
2.2 Pitch surface
2.3 Root surface
2.4 Teeth
3 ASSEMBLY DRAWINGS (GEAR PAIRS)
3.1 External engagement of cylindrical gears
3.2 Internal engagement of cylindrical gears
3.3 Engagement of pinion with rack
3.4 Engagement of bevel gears, axis intersection at any angle
3.5 Engagement with cylindrical worm, in cross-section