JB/T 10508-2020Slot wedges for small and medium-sized electrical machines - Technical requirements (English PDF)
中小电机用槽楔 技术要求
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 16, 2020
Implementation date
January 1, 2021
Scope
JB/T 10508-2020 is the English-translated version of 中小电机用槽楔 技术要求.
Slot wedges for small and medium sized electric machines are the subject of JB/T 10508-2020, a recommended machinery industry standard. It sets the product classification, the technical requirements, the test methods, the inspection rules, and the marking and packaging.
It applies to drawn slot wedges, glass cloth laminate slot wedges, magnetic drawn slot wedges and magnetic glass cloth laminate slot wedges.
These products close and seal the winding slots of small and medium machines, holding the windings in place and improving the use of slot space, and they suit the slots of other machines and electrical windings as well; the magnetic types are intended for open slots, where they improve electromagnetic performance. The standard was issued in 2020 and took effect on 1 January 2021.
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Document preview — JB/T 10508-2020
National Standard of the People's Republic of China
- ICS
- 29.160.10
- Replacing
- JB/T 10508-2005
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Product classification
- 5 Technical requirements
- 5.1 Appearance
- 5.2 Dimensional tolerances
- 5.3 Performance requirements
- 6 Test methods
- 6.1 Appearance
- 6.2 Dimensions and their tolerances
- 6.3 Density
- 6.4 Water absorption
- 6.5 Withstand voltage along the surface
- 6.6 Bending strength
- 6.7 Cleavage strength
- 6.8 Thermal stability
- 6.9 Relative permeability
- 6.10 Flame retardance
- 7 Inspection rules
- 7.1 Inspection items
- 7.2 Classification of the inspection items
- 7.3 Sampling method
- 7.4 Rules of judgement
- 8 Marking and packaging
- Bibliography
- Figure 1 Diagram of the apparatus for the cleavage strength test
- Table 1 Performance requirements of the drawn slot wedge
- Table 2 Performance requirements of the laminated glass cloth slot wedge
- Table 3 Performance requirements of the magnetic drawn slot wedge and of the magnetic laminated glass cloth slot wedge
- Table 4 Items of the factory inspection
- Table 5 Items of the type inspection
- Table 6 Classification of the inspection items of the drawn slot wedge, the laminated glass cloth slot wedge, the magnetic drawn slot wedge and the magnetic laminated glass cloth slot wedge
What this standard covers
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of slot wedges for small and medium motors. This standard applies to lead-out slot wedges, glass cloth laminate slot wedges, magnetic lead-out slot wedges and magnetic glass cloth laminate slot wedges. The product is suitable for filling and sealing the winding slots of small and medium motors to fix the windings and improve the utilization of slot space. It is also suitable for the slots of other motors and electrical windings. Magnetic slot wedges are suitable for open slots in windings to improve electromagnetic performance.
Document data
International classification (ICS): 29.160.10.
Chinese classification (CCS): K20.
Estimated length of the Chinese original: 12,198 words.
3 Terms and definitions
4 Product classification
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking and packaging
......
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
Similar standards
Editions of JB/T 10508
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 10508-2020 | Slot wedges for small and medium-sized electrical machines - Technical requirements | current edition | Current |
| JB/T 10508-2005 | Slot wedges for small and medium-sized electrical machines - Technical requirements | previous edition | Superseded |
This page sells the current edition, JB/T 10508-2020. Earlier editions are listed for reference only.
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