Scope
This part of JB/T 9612 specifies the model, shape and specifications, product representation methods, technical requirements, inspection rules, and delivery requirements of concave rows This section is applicable to the manufacturing of concave bars for the rotor coil winding of air-cooled generators
Normative References
The following documents 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/T 467-2010 Cathode Copper
GB/T 3048.2-2007 Test Methods for Electrical Properties of Electric Wires and Cables: Part 2: Electrical Resistivity Test of Metallic Materials
GB/T 4909.2-2009 Test Methods for Bare Wires Part 2: Dimensional Measurement
GB/T 4909.3-2009 Test Methods for Bare Wires Part 3: Tensile Test
GB/T 5121.1-2008 Chemical Analysis Methods for Copper and Copper Alloys Part 1: Determination of Copper Content
GB/T5121.19-2008 Chemical Analysis Methods for Copper and Copper Alloys - Part 19: Determination of Silver Content
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