What are the new energy harness crimping methods and standards? What are the testing requirements?

New energy harnesses in the manufacturing and installation process of crimping methods and standards can vary according to specific applications and requirements. The following are some common new energy harness crimping methods and standards, as well as the corresponding testing requirements: 1. Crimping: Cold Crimping (Cold Crimping): Cold crimping is a common wiring harness crimping method, which uses crimping tools to crimp the wires or terminals with the wiring harness connector jacks tightly compressed. Cold crimping ensures a good electrical connection and mechanical strength. Heat Crimping: Heat crimping is a type of harness crimping that uses a heated tool. During the heat crimping process, wires or terminals are connected to the socket of the harness connector by heat and pressure. Hot crimping provides a stronger connection. Ultrasonic Crimping: Ultrasonic crimping is a type of harness crimping that utilizes ultrasonic vibrations. The ultrasonic vibration causes the wire or terminal to rub against the socket of the harness connector and heat fuses, forming a reliable connection. 2. Standards: UL Standards: UL (Underwriters Laboratories) is an internationally recognized safety standards organization, and its standards are widely used in the certification and validation of wiring harness crimping. UL standards ensure that wiring harnesses are connected for electrical performance, durability and safety. ISO Standards: ISO (International Organization for Standardization) has developed a number of standards related to wire harness crimping, such as ISO 9001 (Quality Management System), ISO/TS 16949 (Quality Management System for the Automotive Industry), etc. These standards emphasize quality management and process control. These standards emphasize quality management, process control and continuous improvement.3. Testing Requirements: Electrical Performance Testing: Electrical performance testing of wire harness connections is an important step in ensuring connection quality and reliability. It includes resistance measurement, insulation resistance test, contact resistance test, etc. Strength and reliability testing: Harness connections need to be verified for strength and reliability through mechanical and environmental testing. This includes tensile testing, vibration testing, shock testing, durability testing, etc. Temperature and humidity testing: Wire harness connections should be tested under different temperature and humidity conditions to assess their performance and stability in various environments. Chemical Resistance Test: Harness connections should be tested for resistance to common chemicals and liquids (e.g., oils, solvents) to ensure that they are not affected by chemical corrosion in the working environment. Visual inspection and dimensional measurements: Visual inspection and dimensional measurements allow for checking the appearance, correct installation and dimensional accuracy of the wiring harness connection. These inspection requirements are designed to ensure the connection quality and reliability of new energy harnesses to meet the requirements of various applications and industry standards. Manufacturers and suppliers typically develop their own test programs and standards based on specific applications and requirements, and conduct quality control and certification processes accordingly.

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