BS 978-1-1968 小节距齿轮规范.第1部分:渐开线直齿和斜齿齿轮

标准号：BS 978-1-1968
中文标准名称：小节距齿轮规范.第1部分:渐开线直齿和斜齿齿轮
英文标准名称：Specification for fine pitch gears - Involute spur and helical gears
标准类型：J17
发布日期：1968/1/31 12:00:00
实施日期：1968/1/31 12:00:00
中国标准分类号：J17
国际标准分类号：21.200
适用范围：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.