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9 technical conditions for automotive low-voltage wire harness terminals

Update:07-04-2022
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The wire harness Cord End Terminals detection analyzer […]

The wire harness Cord End Terminals detection analyzer is mainly used for sampling and testing the wire harness during the production process of the wire harness. In the cable harness production line, quality and production speed are very important. It can be said that the use of continuous quality analysis in the production process has become an important factor in market competition.
The wire harness terminal crimping profile analyzer can analyze the internal quality of the terminal in the crimping process, profile the terminal, and check the crimping density after the terminal profile: whether the wire core is deformed, whether the crimping burr is qualified, and the cross-section of all single wires in the conductor should be It is an irregular polygon, and there should be no obvious gap between the connecting part of the conductor and the terminal, and the single line and the single line, and the terminal crimping part should cover all the conductors. The crimped parts of the terminal crimp meet and are symmetrical. The distance between the end of the crimped part of the wire harness terminal and the bottom is not less than 1/2 of the nominal diameter of the single wire. The height of the burr on both sides of the bottom of the cross section should not exceed the thickness g after the terminal is crimped, and the width of the burr should not exceed 1/1 of g. 2.

Automotive low-voltage wiring harness technical conditions:

1. The standard for inspecting the size of the wiring harness is specified.

2. It specifies the performance requirements of the materials and components used in the wire harness.

3. The connection method of the terminal and the wiring harness and the requirements that should be met after connection are specified.

4. It specifies the requirements that the terminal and wiring harness connection point should meet.

5. The sealing plug should not be damaged during crimping. There should be no visible gaps between the wire and the sealing plug, and between the sealing plug and the sheath.

6. When the wire bundle is wrapped, it should be tight and even, and should not be loose. When the protective sleeve is used, there is no displacement and bending of the wire bundle.

7. The wires and components in the wire harness should be assembled correctly, there should be no dislocation, and the terminals should not come out of the sheath.

8. The conduction rate of the lines in the wire harness is free from short circuits and wrong circuits.

9. The wire harness needs to be subjected to high, low temperature and humidity cyclic change performance test; vibration resistance performance test; salt spray resistance performance test; industrial solvent resistance performance test, etc.

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