Baijian Testing is mainly engaged in textile, insulation, cosmetics, food, hardware industry related product testing, as well as providing product certification services, but also in the broadening of the scope of the testing industry, the laboratory issued a report can be stamped CNAS/CMA/CAL qualification seal, the report is true and effective.
Sample size: according to the size of the sample to choose the sample or door-to-door
display style: electronic
version of the detection cycle: 3-15 working days (expedited).
Scope
This standard specifies the classification, types, basic parameters and dimensions, technical requirements, test methods, inspection rules, and requirements for marking, packaging, storage, and transportation of electric motors and controllers used for electric bicycles and similar vehicles powered by batteries or auxiliary drives This standard applies to electric motors (hereinafter referred to as electric motors) used in light electric vehicles and similar vehicles powered or assisted by batteries for driving on the road or on the field. Various motors derived from this series of motors can also be referred to for execution
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 755 Rotating Electrical Machines - Rating and Performance (GB 755-2000, idt IEC 60034-1: 1996)
GB/T 1311 Test Methods for DC Motors (GB/T 1311-1989, neq IEEE 113:1973)
GB/T 2423.1 Environmental Testing for Electrical and Electronic Products - Part 1: Test Methods - Test A: Low Temperature (GB/T 2423.1-2001, idt IEC 60068-2-1: 1990)
GB/T 2423.2 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test B: High Temperature (GB/T 2423.2-2001, idt IEC 60068-2-2: 1974)GB/T 4942.1 Classification of Degrees of Protection (IP Code) for the Overall Structure of Rotating Electrical Machines (GB/T 4942.1-2006, IEC 60034-5:2000, IDT)
GB/T 7345 Basic Technical Requirements for Control Micromotors (GB/T 7345-1994, neq rOCT 16264-10: 1985)
GB/T 10069.1 Measurement Methods and Limits of Noise in Rotating Electrical Machines Part 1: Measurement Methods of Noise in Rotating Electrical Machines (GB/T 10069.1-2006, ISO 1680: 1999, IDT)
GB/T 12665 Damp Heat Test Requirements for Electrical Machines Used under General Environmental Conditions
GB 14711-2006 Safety Requirements for Small and Medium sized Rotating Electrical Machines
JB/T 9615.1 Test Method for Interturn Insulation of Loose Embedded Windings in AC Low Voltage Motors
JB/T 9615.2 Test Limits for Interturn Insulation of Loose Embedded Windings in AC Low Voltage 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 problems100% inspection 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 Chinarole of the test report:
1. Project bidding: issue an 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: issue a test report with legal effect to make consumers more assured;
4. Papers and scientific research: provide professional personalized testing needs;
5. Judicial services: provide scientific, fair and accurate testing data;
6. Diagnosis of industrial problems: verification and correction of problems in industrial production;