Common Factors in Electronic Wire Harness Aging

Electronic wiring harness aging is a common wiring harness problems, discuss the causes of wiring harness aging, to prevent the wiring harness aging looks very necessary, the formation of wiring harness aging root cause is the insulation is reduced and is penetrated, so what are the factors that damage the line aging, the following with the guys about the problem. 1, electronic wiring harness connector common failure: wiring harness connector is a shortage of routes in the stage, caused by the staff when the immediate error of the wiring harness connector Common failures often arise. Construction forces in the harness production and processing of joints in the whole process, if there is a joint riveting pressure is too loose, heating is not sufficient, etc., are the formation of harness head insulation reduction, thus causing safety accidents. 2, external damage: now very much the electronic harness common failure is due to mechanical equipment damage. For example: the harness device alignment is not standard engineering construction, very easy to cause damage to mechanical equipment; sometimes assuming that the damage is not more serious, it takes months or even two years to form the damage location completely penetrate to produce common failures, sometimes the destruction is more serious is likely to produce a short-circuit failure of the common failures, immediate damage to the production safety. 3, the natural environment and temperature: the electronic harness location of the external natural environment of the thermogenic Will also lead to high cable temperature, insulation penetration, and even explosion and fire 4, chemical corrosion: electronic harness work in strong acid and alkali effect in the region, usually lead to the harness armored cable, tin drop or outside the outer sheath is eroded, the thickness of the protective layer due to long-term chemical corrosion or electrolytic erosion, resulting in the thickness of the protective layer of the protection of the ineffective, the insulation is reduced, but also the formation of the harness of the common failures. 5, long-term overload Operation: overload operation, due to the thermoelectric effect of the power flow, load power flow according to the harness must be formed when the electrical conductor hot, so that the electronic wire harness temperature rises. Prolonged overload operation, the high temperature will accelerate the aging of the insulation, resulting in insulation is penetrated. Especially in the hot summer, the wiring harness of the common failure is particularly more. 6, insulation back to the moisture: this type of situation is also very common, electronic harness joints do not make the joints with the joints in the cold and wet climate conditions, will make the joints seepage or mixing of water vapor, time slowly damage the insulation of the wiring harness compressive strength and lead to common failures.

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