This standard adopts IEC 349 (1991) IEC 349-2 "Rotating Electrical Machines for Electric Traction Railway and Road Vehicles" and ISO/R 1680 (1970) "Test Procedures for Measurement of Air Noise from Rotating Electrical Machines". This standard specifies the basic test methods for rotating traction motors (hereinafter referred to as traction motors). This standard is applicable to traction motors for railway and road vehicles. For traction motors with special requirements, any test methods not specified in this standard shall be determined through consultation between the user and the manufacturer. 2. Reference standard GB 755-87 Basic technical requirements for rotating electrical machines JB6480-92 Basic technical conditions for rotating traction motors TB 1608-85 Basic technical conditions for three-phase asynchronous motors for locomotives and vehicles GB 1311-89 Test methods for DC motors GB 1032-85 Test methods for three-phase asynchronous motors GB 1029-93 Test methods for three-phase synchronous motors GB 2423.4-81 Basic environmental testing regulations for electrical and electronic products Test Db; Alternating Damp Heat Test Method GB 10068.1-88 Vibration Measurement Method and Limit Value Vibration Measurement Method for Rotating Electrical Machines GB 10069.1-88 Noise Measurement Method and Limit Value Noise Engineering Measurement Method for Rotating Electrical Machines
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