BS 978-2:1952 - Specification for fine pitch gears. Cycloidal type gears

BS 978-2:1952

Specification for fine pitch gears. Cycloidal type gears

Status : Current, Confirmed   Published : January 1952

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Forms and proportions of spur gears for instruments and clockwork mechanisms from 0.070 modules to 1.000 module. Provisions for contrate gears, derivation of cycloidal gears (where the wheel drives the pinions), tolerances.




Standard NumberBS 978-2:1952
TitleSpecification for fine pitch gears. Cycloidal type gears
StatusCurrent, Confirmed
Publication Date24 January 1952
Confirm Date01 June 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByPD 2407
PD 4569
DescriptorsGear drives, Tooth profiles, Dimensions, Spur gears, Gear wheels, Gear parameters, Clock movements, Dimensional tolerances, Basic racks, Time-measuring instrument components, Instruments, Imperial system
ICS21.200
Title in FrenchEngrenages pour instruments et mecanismes d'horlogerie. Engrenages de type cycloidal
Title in GermanZahnraeder fuer Instrumente und Uhrwerkmechanismen. Zykloidalzahnraeder
CommitteeMCE/5
ISBN0 580 34084 8
PublisherBSI
FormatA4
DeliveryYes
Pages14
File Size803.7 KB
Price£112.00


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