Specification for fine pitch gears (metric module). Involute spur and helical gears.
NORM herausgegeben am 27.3.1970
Bezeichnung normen: BS 4582-1:1970
Ausgabedatum normen: 27.3.1970
Zahl der Seiten: 29
Gewicht ca.: 87 g (0.19 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
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. Status: Confirmed