Wenzhou Langrun Electric Co.,Ltd
+86-577-61511288
Automotive wiring harness connectors are used to connect the connection points of automotive circuits, which are important parts of automobiles. Their quality directly affects the transmission effect of power or signals. Connectors account for a small proportion of the cost in automobiles, but if quality problems occur in automobile use, serious consequences will often occur, and maintenance costs will increase significantly. Therefore, the quality of connectors requires more attention by automobile manufacturers and auto parts suppliers.
The pin retraction of automotive wiring harness connector terminal is a relatively common failure form of automotive wiring harness connectors. It means that after the connector is assembled, the terminal and the sheath are abnormally separated, thereby causing the connector to lose its function. The reasons for this failure form generally include three aspects: ①The retention of the terminal in the sheath is unqualified; ②Interference in terminal of plug-in connectors; ③Product application problems. According to these three reasons, Automotive Connector supplier LR analyzes the pin withdrawal of the connector terminal and proposes a solution.
(1) The retention of the terminal in the sheath is unqualified
The retention of the terminal in the sheath refers to the force required to separate the terminal from the sheath in the axial direction. In order to avoid the phenomenon of terminal withdrawal, the performance test standard of the connector sets strict regulations on the retention force of the terminal in the sheath: ①The retention of the connector with a specification not greater than 2.8 is greater than 40N; ②The retention of connector with a specification greater than 2.8 is greater than 60N. In practice, most of the phenomenon of terminal withdrawal is because the retention does not meet the requirements. Generally speaking, the reasons for the unqualified retention of the terminal in the sheath are: structural design problems; material selection problems.
(2) Interference in terminal of plug-in connectors
Interference in terminal of plug-in connectors means that the male terminal and the female terminal of the connector are inserted into the ineffective area of the female terminal during the mating process, so that the connector has a failure form such as terminal withdrawal. Generally speaking, the reasons for this are: ①Structural design problem; ②Terminal insertion force problem.
(3) Product application
The product application related to the return of connector terminals mainly refer to the problem that may cause the withdrawal of the terminals during the wiring harness production process. Generally include terminal crimping problems and terminal assembly problems. It is mainly caused by improper use method during product use. After adjusting the terminal crimping, this problem can be solved.
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.