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Email: info@hskcoltd.com

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Brief introduction of automotive harness terminal compression connection and compression ratio
Release time:2022-03-23Views:2856


The compression area of automotive harness terminal usually refers to the area contained in the terminal material. If there is a gap, the gap area must be included. Whether the compression area of automotive harness terminal is qualified mainly depends on two aspects: one is to calculate the compression rate, and the other is to calculate the compression ratio.

Compression ratio of automobile harness terminal: according to the industry situation, the compression ratio of terminal compression area can be divided into three categories. The first category is automobile, the second home appliances, and the third electronics. Among them, the automobile standard is the most strict, which needs to be controlled at 80% to 90%, that is, if the area of all copper wires in the terminal is expressed as 1, the compressed area must be between 0.8 and 0.9. If the compressed area is greater than 1, it means that the remaining area of the compressed area is the gap area except 1.

The standard compression ratio of household appliances is 70% to 90%, usually controlled at about 85%, with a minimum of no less than 70% and a maximum of no more than 90%.


Compression ratio of automobile harness terminal: generally, the compression ratio is between 15% and 20%. The quality of the compression connection depends on the amount of compression. It is controlled by the size of pressure connection tool, pressure foot and wire section. Therefore, it is very important that the cross-sectional area of wire used in mass production of terminal wire is the same as that used in pressure connection design confirmation. When mass producing automobile harness terminals, verify the compression by using pressure connection samples of terminals, wires and pressure connection tools.

The detection of these standards needs to be carried out through the terminal section analyzer.

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Hashimoto Precision Metal (Shenzhen) Ltd

Address: No. 5, Zhuangcun Road, Xin Er Industrial Zone, Xinqiao street, Bao'an District, Shenzhen 518125, P.R.China

Tel: +86-755-27267875

Email: info@hskcoltd.com

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