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 2BS 978:Part 3BS 978:Part 5 PD 3376Replaces BS 978:Part 1:1962.
Original price was: $309.88.$154.00Current price is: $154.00.
Specification for fine pitch gears.-Involute spur and helical gears
BSI Group , 01/31/1968
Pages: 32
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