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  • BS 978-1:1968

BS 978-1:1968

Specification for fine pitch gears.-Involute spur and helical gears

BSI Group, 01/31/1968

Publisher: BS

File Format: PDF

$147.00$294.64


Published:31/01/1968

Pages:32

File Size:1 file , 1.1 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

Cross References:
BS 978:Part 2
BS 978:Part 3
BS 978:Part 5
PD 3376


Replaces BS 978:Part 1:1962.

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