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BS 978-2:Addendum No. 1:1959

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

Standard Details

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.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 978-2:Addendum No. 1:1959
Document Year: 1959
Pages: 8
  • Section Volume:
  • GBM12 Mechanical Systems & Components (GMB12)

Life Cycle

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Confirmed
BS 978-2:Addendum No. 1:1959
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