標準號：BS 4582-1-1970
中文標準名稱：小齒距齒輪(米制模數)規范.第1部分:漸開線直齒輪和斜齒輪
英文標準名稱：Specification for fine pitch gears (metric module) - Involute spur and helical gears
標準類型：J17
發布日期：1970/3/27 12:00:00
實施日期：1970/3/27 12:00:00
中國標準分類號：J17
國際標準分類號：21.200
適用范圍：Covers gears having modules of 1 mm and less including first and second preferences. 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 give information on single flank testing, calculation of measuring pin dimensions and examples of calculations for various design conditions. Metric equivalent of BS 978-1.