BSI - BS 978-1
Specification for Fine Pitch Gears - Part 1: Involute Spur and Helical Gears
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| Organization: | BSI |
| Publication Date: | 31 January 1968 |
| Status: | active |
| Page Count: | 36 |
| ICS Code (Gears): | 21.200 |
scope:
Gears of pitch range greater than 20, up to 200 diametral pitch. Standard pitches; two basic racks (one with backlash allowance); modification of addendum and centre distance to suit various conditions. Four grades of accuracy with elemental and dual flank composite test tolerances. Appendices: single flank testing, calculation of measuring pin dimensions, calculations for various design conditions.
Document History
BS 978-1
January 31, 1968
Specification for Fine Pitch Gears - Part 1: Involute Spur and Helical Gears
Gears of pitch range greater than 20, up to 200 diametral pitch. Standard pitches; two basic racks (one with backlash allowance); modification of addendum and centre distance to suit various...
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