Specification for fine pitch gears (metric module). Involute spur and helical gears.
NORMA vydána dne 27.3.1970
Označení normy: BS 4582-1:1970
Datum vydání normy: 27.3.1970
Počet stran: 29
Přibližná hmotnost: 87 g (0.19 liber)
Země: Britská technická norma
Kategorie: Technické normy 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