Scope
This standard specifies the model designation, requirements, test methods, inspection rules and markings, packaging, transportation, and storage of electric bicycles' motors (including motors with reducers) and controllers This standard is applicable to electric motors (hereinafter referred to as "motors") and controllers for electric bicycles
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 standardGB/T 191-2000 Packaging, Storage and Transportation Pictorial Symbols
GB 10069.1 Measurement Methods and Limits of Noise from Rotating Electrical Machines Engineering Measurement Methods
GB/T 2423.5 Basic Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test Ea: Impact
GB/T 2423.10 Basic Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test Fc: Vibration (Sine)
GB/T 4942.1-2001 Classification of Protection for Enclosures of Rotating Electrical Machines (IP Code)
GB/T 4942.2-1993 Classification of Protection for Enclosures of Low Voltage Electrical Appliances (IP Code)
GB/T 5171-2002 General Technical Conditions for Small Power Motors
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