BSI - BS 978-3
Gears for instruments and clockwork mechanisms - Part 3: Bevel gears
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| Organization: | BSI |
| Publication Date: | 24 January 1952 |
| Status: | active |
| Page Count: | 12 |
| ICS Code (Gears): | 21.200 |
scope:
Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification, permissible errors and tolerances for Class A, Class B gears.
Document History
BS 978-3
January 24, 1952
Gears for instruments and clockwork mechanisms - Part 3: Bevel gears
Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification,...
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