This standard specifies the classification, technical requirements, testing methods, inspection rules, markings, packaging, transportation, storage, etc. of permanent magnet DC servo motors. This standard is applicable to permanent magnet DC servo motors with a frame outer diameter of no more than 160 mm, and permanent magnet DC servo motors with a frame outer diameter of more than 160 mm can be used as a reference. The specific technical specifications and special requirements for various types of permanent magnet DC servo motors (hereinafter referred to as motors) are specified in the special technical conditions and used in conjunction with this standard. 2 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 standard. GB 755 Rotating Electrical Machines, Rating and Performance (GB 755-2000, idt 1EC60034-1996> GB/T 2423.16 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Tests "and Guidelines: Mold Growth (GB/T 2423.16-1999, idt IEC 68-2-10:1988) GB/T 2423,17 Basic Environmental Testing Procedures for Electrical and Electronic Products, Tests Ka: Salt Spray Test Method (GB/T 2423.17-1993, eqv IEC 68-2-11: 1981) GB/T 2423.22 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods, Test N: Temperature Change (GB/T 2423.22-2002, IEC 68-2-14:1984, 1DT) GB/T 2423.25 Basic Environmental Testing Procedures for Electrical and Electronic Products, Tests Z/AM: Low Temperature/Low Air Pressure Comprehensive Test (GB/T 2423.25-1992, neq IEC 68-2-40; 1976) GB/T 2423.26 Basic Environmental Testing Procedures for Electrical and Electronic Products: Test Z/BM: High Temperature/Low Air Pressure Comprehensive Test (GB/T2423.26-1992, neq IEC 68-2-41:1976)
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