What are the principles of wire processing plant for the selection of wire types?

Selection is made according to the ambient temperature, for example: the ambient temperature around the engine is high, and there are many corrosive gases and liquids. Therefore, we must use high temperature, oil, vibration, friction wire; luggage compartment cover wire to maintain its elasticity at low temperatures, so we need to choose the cold elastic wire to ensure its normal operation; automatic transmission on the wire must be resistant to high temperatures, resistant to hydraulic fluids, and its temperature stability should be good; due to the high temperature of the automobile exhaust pipe, the wiring harness in the arrangement should be kept away from the exhaust pipe as far as possible, such as can not be avoided when you need to adopt Greater than 200 ℃ wire, while the use of silicone rubber tube for protection; for brake shoe harness wire requirements wear-resistant, impact resistance (mud and sand) and resistance to high and low temperature (temperature cycle) impact.

Sensors near the main sensors and strong sources of interference and weak signal sensors should be shielded wires to prevent electromagnetic interference.

Determine the wire standard, the conductor structure of the wire of different standards, nominal cross-section, insulation materials and thickness, performance requirements and Z large outer diameter are somewhat different, at present, China has begun to use the following organizations to develop automotive wire standards: ISO, SAE, DIN, JIS, VW, PSA, etc., automotive commonly used types of wires are Japanese standard (AVSS, etc.), the national standard (QVR), the German standard ( FLRY) and other major series.

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