Wire Harness Processing Factory Wire Incoming Test Introduction

According to the physical and mechanical properties of the wire, mainly from the voltage, electrical conductivity, size appearance and other aspects of the inspection, as follows: First, the size and appearance of the wire and cable inspection: wire are generally marked UL number, wire processing plant in the importation of the supplier must examine the wire supplier's UL certificate is not in force; UL certification report is real and effective; whether the appearance of stolen dirt, wire Whether the actual size and wire specification book size match. Second, the wire and cable in the voltage test: voltage test, AC 300V, mainly on the product performance test, finished wire voltage test: KV/min 5000V finished product voltage test for AC voltage test, also known as the frequency voltage test, AC voltage test is in the wire and cable insulation on the finished product is applied higher than the operating voltage (rated voltage) a certain number of times the value of the insulation to maintain a certain amount of time and insulation does not break down. Each product must be factory voltage test, wire processing plant must be wire suppliers to provide test reports. Third, on the wire and cable in the aging test: in storage, prohibit contact with acidic, alkaline and corrosive substances, isolated separate storage, insulated wire and cable exists in a dry and ventilated warehouses, the relative humidity shall not exceed 75%, to avoid direct sunlight, premature aging of the insulation layer. Fourth, high-temperature shock at 140 degrees, low temperature -30 degrees under the wire shall not be cracked and so on. Wires, terminals and connectors are the main inspection material harness processing plant, in order to ensure the quality of customer products, harness processing plant must be every test data on the wire inspection, Dongguan Da Dao Kang has experienced, professional and strong technical team, whether in the field of wiring harness processing, terminal wire processing, connectors or automotive wiring harnesses, we can provide you with attentive service.

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