Three Reasons for Pin Back Problems in Terminal Wire Connectors

It is common for terminal wire connectors to have pins receding. The occurrence of this fault will affect the power supply and signal transmission function of the terminal wire connector. So what factors can cause the pin receding problem of terminal wire connectors? I. Unqualified connector retention of terminal wires Typically, terminal wire retention failures in the sheath are caused by design issues, manufacturing issues, and the materials used in the harness connectors. Standard size harness connectors (connectors with gauge pitch less than 2.8) have an insertion retention force greater than 40N, while connectors larger than 2.8 have a retention force greater than 60N.

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2. Connector interpolation interference factors of terminal wire During the insertion process of the male end and female end of the harness connector, since the male end is automatically inserted into the ineffective area of the female terminal, the pin of the terminal wire will be withdrawn and the function of the connector will be lost. This situation is usually caused by problems in the design and manufacturing process, one is the structural design problem and the other is the terminal plugging and unplugging problem. 3. Factors in the production process of terminal wire connectors The production process factors of terminal wire connectors include terminal crimping problems and terminal assembly problems. If the terminal wire is not properly crimped, excessive bending can cause the centerline of the terminal wire header area to not be parallel to the crimped area. In addition, excessive bending of the terminal wire easily increases the insertion force and affects the assembly performance. In severe cases, there will be a problem that the male terminal wire cannot be inserted into the effective area of the female terminal during insertion.

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