• BS 978-3:1952

BS 978-3:1952

Specification for fine pitch gears-Bevel gears

BSI Group , 01/24/1952

Publisher: BS

File Format: PDF

$80.00$160.02


Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification, permissible errors and tolerances for Class A, Class B gears.Cross References:BS 545BS 721BS 2519

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