BS 978-2:ADDENDUMNO.1:1959

Gears for instruments and clockwork mechanisms. Cycloidal type gears.. Double circular arc type gears.

NORMA vydaná dňa 15.5.1959

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Informácie o norme:

Označenie normy: BS 978-2:ADDENDUMNO.1:1959
Dátum vydania normy: 15.5.1959
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS

Anotácia textu normy BS 978-2:ADDENDUMNO.1:1959 :

Basic rack tooth shape and modules from 0.150 mm to 0.700 mm inclusive. Limits of tolerance for tip diameter, pitch, tooth thickness, profile, axial and radial run-out and centre distance; cutters for pinions with from six to twelve teeth. Status: Confirmed