JB/T 12008-2014Commutator precision turning machines for micromotors (English PDF)
微电机换向器精车机
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 12008-2014 is the English-translated version of 微电机换向器精车机.
The recommended standard JB/T 12008-2014 covers precision turning machines for micromotor commutators. It sets the machine models, the technical requirements, the test methods and the inspection rules. The machines within its scope hold the commutator on a cylindrical shaft supported at both ends in V or U shaped rests and drive it by belt friction. Its Chinese classification is K97 and its international classification 29.020. It quotes GB/T 191, GB/T 2900.39, GB/T 13306, GB/T 13384 and GB/T 16769. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 12008-2014
National Standard of the People's Republic of China
- ICS
- 29.020
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 12008-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 13306
GB/T 2900.39
GB/T 13384
GB/T 16769
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 13306-2011 — Plates
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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