What are the principles of wire processing plant for the choice of wire type

1. Select according to the ambient temperature, for example: high ambient temperature around the engine, corrosive gases and liquids are also many. Therefore, must use high temperature, oil, vibration and friction resistant wire; luggage compartment cover wire to maintain its elasticity at low temperatures, so we must 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 arrangement of the wiring harness should be kept away from the exhaust pipe as far as possible, such as can not be avoided when the need to use Greater than 200 ℃ wire, while the use of silicone rubber tubing for protection; for brake shoe harness wire requirements wear-resistant, impact resistance (mud and sand) and resistance to high and low temperature (temperature cycling) impact. 2. The main sensors and strong sources of interference in the vicinity of the sensors and weak-signal sensors to be shielded wires to prevent electromagnetic interference. 3. Determine the standard of the wire, the conductor structure of the wire of the different standards, the nominal section, Insulation material 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.), national standard (QVR), German standard (FLRY) and several other major series.

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