How to reduce the noise of the car - China Automobile Decorative Net

Http://www.sina.com.cn 　 on November 6, 2007 12:0Network of 0 Sichuan news - setting of name of Chengdu evening paper: [Big in Xiao]

A lot of cars advocate have such feeling, drive to run especially when high speed, car noise already became an influence to drive main factor of the environment. People contacts noise for long, tinnitus, can much dream, palpitate reachs be agitated, or cause audition to drop to be broken even directly acute hearing, cause the traffic accident of hair secondhand by traffic noise among them, not rarely seen also. Believe spirit law repairs hairdressing quickly to interlink professional technician introduction, car noise originates roughly a confusion of voices of zephyr of system of engine noise, exhaust noise, fan, transmission, brake system, tire, and through changing his costume or dress acquiredly, mostly noise can fall effectively.

Before doing car sound insulation, should check first get off besides, some noise are by car the breakdown of itself is caused, if tyre pressure is abnormal, irregular,wear away, suspension or chassis attaint and engine abnormal knocking. And sound insulation project of the system basically is passed decrease brace up, fall a confusion of voices, sealed 3 move will finish. Among them, lid of batholith of door, mothball box, car, engine and roof are the easiest generation the place of air attrition noise, accordingly, these places are sound insulation falls the stress that a confusion of voices handles. And the noise to engine, had better be below engine lid stickup a kind advanced and sound-absorbing bubble is acoustics material, can be absorbed already and use up the noise of a large number of engine, the vibration that can restrain engine to build again and cut off the quantity of heat that comes from engine, surface of protective car lacquer does not suffer high temperature loss. As we have learned, adopt professional construction technique, destroying primary vehicle circuit, below the premise that does not change primary vehicle structure, sound insulation project can make the noise inside the car drops 4-8 decibel, promote driving easy greatly measurable.