What is the standard of wire harness terminal crimping? How to control the quality of wire harness terminal crimping?

Wire harness terminal crimping is an important electrical connection technology, widely used in electronics, electrical appliances, automotive, aviation and other fields. Crimping quality is directly related to the stability, reliability and safety of the connection, so you need to follow the relevant standards and norms, and the implementation of strict quality control. In this paper, we will introduce the standards and quality control of wiring harness terminal crimping from two aspects. First, the harness terminal crimping standards 1. International standards Currently, the main international standards used in the harness terminal crimping JIS C2805, UL310, IEC60352 and so on. These standards specify the structure of the terminal, materials, dimensions, electrical performance and other requirements, as well as crimping procedures and testing methods. Among them, UL310 standard is the U.S. Safety Laboratory (UL) developed, is one of the world's most common terminal crimping standards, mainly used in electrical appliances, electronics and automotive and other fields.2. 2. Domestic standards Chinese standardization organizations also developed a series of wiring harness terminal crimping standards, such as GB/T 13046, GB/T 12666.2, etc. These standards mainly focus on the material, material, size, electrical performance and other requirements, as well as operating procedures and testing methods. These standards are mainly for the terminal material, size, electrical properties, crimping strength and other aspects of the regulations to ensure the quality and reliability of crimping. In addition, there are some domestic industry standards, such as the automotive industry QC/T 29104. Second, the quality control of harness terminal crimping harness terminal crimping quality control is an important means of ensuring the quality of the connection, including the following aspects: crimping process control crimping process control is to ensure the quality of the connection of the basis, including the selection of terminals, crimping equipment debugging, the development of operating procedures and personnel training and so on. Before crimping, it is necessary to confirm that the terminals used meet the relevant standards, and check whether the appearance and size of the terminals meet the requirements. Crimping equipment needs to be regularly inspected and calibrated to ensure the accuracy of its crimping strength and crimping depth. At the same time, it is necessary to formulate clear operating procedures and operating instructions, and carry out staff training and assessment to ensure that the skill level of the operator and the quality of operation. Means and methods of testing is an important part of ensuring the quality of the connection, mainly including crimping strength, electrical performance, appearance quality and other aspects of the test.

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