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BS 978-1:1968
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BS 978-1:1968
Specification for fine pitch gears. - Involute spur and helical gearsMore info
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.
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2016-06-01 |
| EAN ISBN | 0 580 00028 1 |
| ICS | 21.200 : Gears
|
| Number of pages | 36 |
| Replace | Replaces BS 978:Part 1:1962. |
| Modified by | AMD 3305 published May 1980 effective May 1980 Free of charge incorporated |
| Year | 1960 |
| Country | United Kingdom |
| Keyword | BS 978:Part 1:1968 |