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BS 4582-1-1970
Feinzahnraeder (metrisches Modul). Spezifikation. Evolventengerad-und Schraegstirnzahnraeder Specification for Fine Pitch Gears (Metric Module) Part 1:Involute Spur and Helical Gears Engrenages a pas fin (module metrique). Specification. Engrenages a dents droites et helicoidales en developpante AMD 2723:September 1978;AMD 3304:May 1980;
适用范围: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.
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