This chapter of the scope GB/T 17465.1-2009 is replaced by: this section specifies the technical requirements for the structure, electrical performance, mechanical performance, and other aspects of household and similar sewing machine couplers. This section applies to household sewing machine couplers that are AC only, have a rated voltage not exceeding 250 V, and a rated current not exceeding 2.5 A. The sewing machine coupler can include two or more contacts, depending on the control element or the circuit required to operate the sewing machine, and can be equipped with or without grounding contacts. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB 4706.74 Safety of Household and Similar Electrical Appliances - Special Requirements for Sewing Machines (GB 4706.74-2008, IEC 60335-2-28:2005, IDT) GB/T 17465.1-2009 Couplers for Household and Similar Appliances - Part 1: General Requirements (IEC 60320-1:2007, MOD) IEC/TR60083 Plugs and socket outlets for household and similar general use standardized in member countries of IEC
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