GB/T 22775-2008
Gears for timekeeping instruments.contrate gears (English Version)
- Standard No.
- GB/T 22775-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 22775-2008
- Scope
- This standard specifies the terminology, tooth shape, code and parameters of the face gears of timing instruments. This standard is applicable to the gear transmission of vertical intersecting axes with a modulus of 0.07mm~1mm when the end gear and cylindrical gear mesh in the needle setting mechanism of watches and pocket watches. The gear transmission of vertical intersecting axes in instruments and meters is also applicable. Can refer to use.
GB/T 22775-2008 history
- 2008 GB/T 22775-2008 Gears for timekeeping instruments.contrate gears
