BS 978-2:ADDENDUMNO.1:1959

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

STANDARD published on 15.5.1959

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The information about the standard:

Designation standards: BS 978-2:ADDENDUMNO.1:1959
Publication date standards: 15.5.1959
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS

Annotation of standard text 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