JB/T 8956-2018YZTD(E) series multi-speed three-phase induction motors (with electromagnetic brake) for tower cranes - Technical requirements (English PDF)
YZTD（E）系列塔式起重机用（电磁制动）多速三相异步电动机 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 21, 2018
Implementation date
October 1, 2019
Scope
JB/T 8956-2018 is the English-translated version of YZTD（E）系列塔式起重机用（电磁制动）多速三相异步电动机 技术条件.
JB/T 8956-2018 is the Chinese machinery industry standard for the YZTD(E) series of multi-speed three-phase asynchronous motors with electromagnetic braking.
It fixes their types, basic parameters and dimensions, sets the technical requirements, and gives the test methods, the inspection rules and the requirements for marking, packaging and the warranty period.
It applies to multi-speed squirrel-cage three-phase asynchronous motors for tower cranes with electromagnetic brakes and for other electrically driven construction machinery.
It quotes GB/T 191, GB/T 755, GB/T 756, GB/T 757, GB/T 997, GB/T 1032, GB/T 1096, GB/T 1958, GB/T 1971, GB/T 1993, GB/T 2423.4, GB/T 4772.1, GB/T 4942.1, GB/T 10068, GB/T 10069.1, GB/T 10069.3, GB/T 12351, GB 20237, GB/T 21975, GB/T 22719.1 and GB/T 22719.2. It replaces JB/T 8956-2011.
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Document preview — JB/T 8956-2018
National Standard of the People's Republic of China
- ICS
- 29.160.30
- Replacing
- JB/T 8956-2011
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 8956-2018 was issued by MIIT on 21 December 2018 and has been in force since 1 October 2019.
It replaces the earlier edition JB/T 8956-2011, JB/T 8956-1999.
2 Scope
This standard is the Chinese machinery industry standard for the YZTD(E) series of multi-speed three-phase asynchronous motors with electromagnetic braking. It fixes their types, basic parameters and dimensions, sets the technical requirements, and gives the test methods, the inspection rules and the requirements for marking, packaging and the warranty period. It applies to multi-speed squirrel-cage three-phase asynchronous motors for tower cranes with electromagnetic brakes and for other electrically driven construction machinery. It quotes GB/T 191, GB/T 755, GB/T 756, GB/T 757, GB/T 997, GB/T 1032, GB/T 1096, GB/T 1958, GB/T 1971, GB/T 1993, GB/T 2423.4, GB/T 4772.1, GB/T 4942.1, GB/T 10068, GB/T 10069.1, GB/T 10069.3, GB/T 12351, GB 20237, GB/T 21975, GB/T 22719.1 and GB/T 22719.2. It replaces JB/T 8956-2011.
3 Normative references
JB/T 8956-2018 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 755
GB/T 756
GB/T 757
GB/T 997
GB/T 1032
GB/T 1096
GB/T 1958
GB/T 1971
GB/T 1993
GB/T 2423.4
GB/T 4772.1
GB/T 4942.1
GB/T 10068
GB/T 10069.1
GB/T 10069.3
GB/T 12351
GB 20237
GB/T 21975
GB/T 22719.1
GB/T 22719.2
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 8956-2011 (earlier edition)
JB/T 8956-1999 (earlier edition)
6 Classification and status
International classification (ICS): 29.160.30
Prefix JB/T: recommended standard.
......
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
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 755Rotating electrical machines - Rating and performance
- GB/T 756Cylindrical shaft extension for rotating electrical machines
- GB/T 757Conical shaft extension for rotating electrical machines
- GB/T 997Classification of types of construction, mounting arrangements and terminal box position (IM Code) for rotating electrical machines
- GB/T 1032Test methods for three-phase asynchronous motors
GB/T 4942.1
Similar standards
Editions of JB/T 8956
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 8956-2018 | YZTD(E) series multi-speed three-phase induction motors (with electromagnetic brake) for tower cranes - Technical requirements | current edition | Current |
| JB/T 8956-2011 | YZTD(E) series multi-speed three-phase induction motors (with electromagnetic brake) for tower cranes - Technical requirements | previous edition | Superseded |
This page sells the current edition, JB/T 8956-2018. Earlier editions are listed for reference only.
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Related Standards
GB 20237-2006 — Safety requirements of crane & metallurgical motors and canned motors
GB/T 10068-2020 — Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
GB/T 10069.1-2006 — Measurement of airborne noise emitted by rotating electrical machines and the noise limits -- Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
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JB/T 8956-2018
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