April 24, 2009
How to decide good motor vehicle racket Materials
Xiao Lu just bought private cars, have not pleased the past few days, troubles come, and enjoy quiet, he can not stand the traffic is a result of “shock, engine running, the wind and noise generated by vehicles friction”, but under the He entered the car decoration line, think through the installation of insulation to remove “the pain in my heart.”
A car’s designer embellished Xiao advised reporters traveling in the vehicle, the driver’s alertness is very distilled, if the vehicle racket at this time greater, it will act on his condition, a long time the head produced by fatigue without difficulty, it is because of this, and now the putting in of insulation to the motor vehicle more and more population take this kind of work the boulevards of the changed warehouses are more and more.
Xiao said that as asserted by distinct causes of disturbance, vehicle disturbance can be split up into numerous categories: vehicle components in the interior structure of the body producing from disturbance, vehicle and automotive friction stroke of breeze, exhaust and street exterior friction disturbance and vehicle motors have the motor running and the disturbance initiated by external ecological noise.
The interior structure of constituents for the automotive disturbance, through the setting up of steel plates on the body damping material, in order that the entire body more robust, therefore decreasing the body’s resonance frequency, so as to accomplish the reason of disturbance reduction. The other disturbance is developed mostly by sound-absorbing sound-absorbing material and closing the doorway to solve. Acoustic value of some goods can competently soak up sound power and utilisation, the doorway close glue can competently alleviate the vibration initiated by the body edge of the doorway close and doorway border steel for demonstration gap difficulty of displacement in alignment to competently decrease air disturbance in the car. The setting up of insulation interior the well, can substantially enhance the car’s calm and comfort. However, vigilance is essential, establishing insulation should not change the structure of the body.
Xiao said that the installation of insulation materials to the car, the price difference on a large, common at around 1,000 yuan, 5,000 yuan at the high-end around. A lot of money in order to chase profits, some decoration stores will be confused as real ones wantonly deceive consumers, such as some owners claim that they are selling brand-name products, in fact, are ordinary materials, the brand-name tag affixed.
Some stores are furthermore apparently the effect of disturbance in general and even the components are not good, he said, not what the voices are high-quality components can be divided, in alignment to deal with for example motors and consume pipes have a low-frequency disturbance, it should be the use of lead steel with acoustic foam aluminum or composite components of polyester PU and steel plate from the disturbance composite components, and some of the shop in alignment to decrease charges is to use sheep sensed, sheep bed wrappings on the high-frequency disturbance should have the effect of disturbance, but no use on low-frequency noise. Weeding the face of the market, buyers should be giving close, very careful assortment of adorning lines, and search recommendations from numerous professionals, so as to bypass deception.
Xiao said that the setting up of insulation components to the vehicle should furthermore pay vigilance to security, for example to close the body, it is essential to grab the scale, both to double-check a good close body, but furthermore to sustain a balance in order that air force interior the vehicle, if the close initiated by unwarranted hypoxia vehicle, against the identical high.
In general, the use of high-quality insulation components, the setting up of expertise and reasonable, and could be the vehicle to decrease disturbance an mean of about 10 db, as somebody said, the vehicle disturbance can be decreased by 30个decibels, it is not credible.
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