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2022.11.15

What are the four key issues that need to be checked regularly for electronic wire harnesses?

1. Check whether the electronic wiring harness is affected by corrosive factors, and avoid damage to the harness caused by corrosion. 2. Verify that the connections of the electronic wiring harness are normal, thereby preventing harness-related mechanical failures. 3. Inspect the electronic wiring harness for any breaks or disconnections, ensuring that it is free from defects. 4. Check whether the terminals of the electronic wiring harness are loose; this can effectively prevent poor electrical contact issues. In addition, for electronic wiring harness inspectors, it is also crucial to have a better understanding of the relevant equipment, the tracking records of the wiring harnesses, and the personnel operating the machinery. If maintenance records are incomplete or absent, potentially foreseeable problems may be overlooked, leading to higher maintenance and replacement costs.

What are the four key issues that need to be checked regularly for electronic wire harnesses?

2022.11.15

Key Points for Quality Inspection of Wire Harness Processing

When conducting wire harness quality inspections, pay attention to the following key steps: 1. Wire Cutting: Verify that the wire dimensions meet the relevant requirements and that the wire model is correct. The cut edges must be neat and smooth—avoid scratching the wires—and ensure that the wires are free from any dirt or contamination. 2. Bundling and Processing: Check whether the trimming is neat and the dimensions are accurate. During the bundling and trimming process, make sure not to nick or damage the core wires.

Key Points for Quality Inspection of Wire Harness Processing

2022.11.15

Automotive Wire Harness Burnout Phenomenon and Its Causes

There are two common combustion characteristics of wire harnesses: One is when an external ignition source causes the wire harness to burn, in which case the harness is visibly covered with charred carbon black, and the burning progresses from the outside inward. The other occurs when an electrical circuit overload causes the wires to heat up intensely, melting the fabric and resulting in burning that starts from the inside out. The damage to wire harnesses is primarily caused by the following conditions.

Automotive Wire Harness Burnout Phenomenon and Its Causes

2022.11.15

Process production steps for automotive wire harnesses

The manufacturing process of automotive wire harnesses can generally be divided into four steps: first, the wire stripping and crimping process; second, the pre-assembly process; third, the final assembly process; and finally, the post-assembly and finishing process. The wire-stripping process requires meticulousness and rigor—its accuracy directly affects the overall production schedule, and even a slight error can impact production efficiency. Therefore, most wire-harness manufacturers today use fully automated wire-stripping equipment. As for the crimping process, crimping parameters and the required crimping dies must be determined based on the customer’s crimping standards and the type of terminal being used.

Process production steps for automotive wire harnesses

2022.11.15

Fields and Applications of Each Harness Industry

Whether it’s traditional consumer electronics, home appliances, or emerging technologies such as new-energy vehicles, foldable-screen phones, 5G, or the Internet of Things, what all these aim to achieve is the connectivity among devices themselves, between devices and people, and between people and data. All of this hinges on wiring harnesses. As 5G, new-energy vehicles, and smart-device interconnectivity continue to develop rapidly, the wiring-harness industry is facing new challenges. At the same time, how to improve wiring-harness manufacturing processes to meet evolving market demands has become an urgent issue that the industry must address. The main types of wiring harnesses produced across various industries fall into four categories: medical wiring harnesses, automotive wiring harnesses, and industrial control wiring harnesses.

Fields and Applications of Each Harness Industry

2022.11.15

Some knowledge about automotive wiring harnesses

The automotive wiring harness is the backbone of a vehicle’s electrical system; without it, there would be no vehicle circuitry at all. A wiring harness consists of contact terminals (connectors) made from stamped copper components that are crimped onto wires and cables, then encased in a molded insulating material or enclosed within a metal housing. These harnesses are bundled together to form a complete assembly that connects various electrical circuits. The wiring harness industry chain encompasses wire and cable products, connectors, processing equipment, harness manufacturing, and downstream application industries. Wiring harnesses have extremely wide-ranging applications, being used in automobiles, household appliances, computers and communication devices, as well as a variety of electronic instruments and meters. The body wiring harness connects the entire vehicle body and generally has an H-shaped configuration.

Some knowledge about automotive wiring harnesses

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