Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, delivery preparation, etc. of electric motors for electronic household appliances with a frame outer diameter not exceeding 90 mm This standard is applicable to electronic household appliances such as DVD recorders, tape recorders, cameras, microwaves, heaters, electronic toys, razors, programmable controllers, CPU fans, mobile phones, etc., such as AC induction motors, series excited motors, permanent magnet DC motors, brushless DC motors, synchronous motors, ultrasonic motors, stepper motors, etc. This standard also applies to other structural types of electric motors for electronic household appliances that do not use the outer diameter of the frame to indicate the frame number Electric motors for electronic household appliances with a frame outer diameter greater than 90 mm can also refer to this standard This standard should be used in conjunction with the specific technical specifications for electric motors (hereinafter referred to as motors) used in electronic household appliances. The specific technical indicators and additional or special requirements for various types of motors are specified in the product specific technical conditions
Normative References
The clauses in the following documents become clauses of this standard through reference in this standard.
. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standardGB755: Rotating Electrical Machines, Rating and Performance (GB755-2008, IEC 60034-1:2004, IDT)
GB/T 2828.1 Sampling Procedures for Inspection by Attributes, Part 1: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) (GB/T 2828.1-2003, ISO)
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China