Failure analysis and solutions of car wiring harness connector waterproof bolt
Publish Time: 2025-03-05
Failure analysis and solutions of car wiring harness connector waterproof bolt are important links to ensure the normal operation of automobile electrical system and vehicle safety.
1. Failure analysis
Design selection problem: Improper selection of waterproof bolts, such as material, size, structure, etc. that do not meet the use requirements, may lead to poor sealing performance, and then cause water leakage problems. The design of waterproof bolts does not fully consider the actual use scenarios, such as working environment temperature, humidity, vibration and other factors, which cause the bolts to deform or be damaged during use.
Installation process problem: The installation torque of waterproof bolts does not meet the regulations, which may cause the bolts to loosen or the sealing surface to be unevenly stressed, affecting the waterproof effect. Improper use of waterproof gaskets or sealants during installation, such as aging, damage of gaskets or uneven application of sealants, will reduce the waterproof performance.
Influence of use environment: During long-term use, waterproof bolts may be affected by environmental factors such as corrosion and wear, resulting in reduced sealing performance. During the driving of the vehicle, waterproof bolts may be affected by forces such as vibration and impact, resulting in loosening or damage.
Improper maintenance: Regular inspection and maintenance of waterproof bolts is the key to ensuring their performance. If maintenance is neglected, it may lead to problems such as loose bolts and contamination of sealing surfaces. When replacing waterproof bolts, if improper substitutes are used or the operation is not carried out in accordance with the specifications, the waterproof performance may also fail.
2. Solution
Optimize design and selection: Select the appropriate waterproof bolt material, size and structure according to the actual use scenario and needs. Improve the design of waterproof bolts, such as adding sealing grooves and optimizing the sealing surface structure, to improve their sealing performance.
Standardize installation process: Establish strict installation process standards to ensure that the installation torque of waterproof bolts, the use of sealing gaskets and sealants comply with regulations. Train installation workers to improve their operating skills and quality awareness.
Strengthen the monitoring of the use environment: Regularly maintain and maintain the vehicle, and check the corrosion and wear of the waterproof bolts. When using the vehicle in harsh environments, the protective measures for waterproof bolts should be strengthened, such as adding waterproof covers.
Improve the maintenance process: Develop a detailed maintenance plan and process to ensure regular inspection and maintenance of waterproof bolts. When replacing waterproof bolts, original accessories or substitutes that meet the specifications should be used and operated in accordance with the specifications.
Introduce waterproof testing and verification: In the design and production process, introduce waterproof testing to verify the sealing performance of waterproof bolts. Dissect and analyze the faulty parts returned from the market to find out the cause of failure and take improvement measures.
In summary, the failure analysis and solution of car wiring harness connector waterproof bolt needs to comprehensively consider multiple aspects such as design, installation, use environment and maintenance. By optimizing design and selection, standardizing installation process, strengthening use environment monitoring, improving maintenance process and introducing waterproof testing and verification, the reliability and durability of waterproof bolts can be effectively improved to ensure the normal operation of automobile electrical system and vehicle safety.
