汽車機械的躁動讓很多商家絞盡腦汁停止控制，隔音棉就是其中的一種材料。他的隔音效果有多嚴重？我們可以停止這個材質設置嗎？

The restlessness of automobile machinery makes many businesses rack their brains to stop control, and sound insulation cotton is one of them. How serious is his sound insulation effect? Can we stop this material setting?

其來源也是由于汽車噪音的產生。使用主要是汽車的底盤、車門、引擎蓋、車窗、車頂等容易產生噪音的零部件。貼在引擎蓋上還可以避免霧天行車帶來的視覺沖擊。

Its source is also due to car noise. The use center is mainly the chassis, door, hood, window, roof and other parts that are prone to noise. Sticking it on the hood can also avoid the visual impact of driving in fog.

原理：機械刺激聲→聲波被輸送到空氣中→棉花原料的多纖維結構→聲波通過許多纖維的反射穿過棉花的過程，相互疊加，相互碰撞，而聲波能量轉化為熱能→此時降低聲波強度→使聲音消失。

Principle: mechanical stimulation sound → sound waves are transmitted to the air → multi fiber structure of cotton raw materials → the process of sound waves passing through cotton through the reflection of many fibers, superimposing and colliding with each other, and the sound energy is converted into heat energy → at this time, the sound intensity is reduced → the sound disappears.

作用：使機械聲不再響亮，剩下的只是機體的振動；減少并有效緩解底盤金屬疲勞，延長車身使用壽命；防水性能好，防止鈑金腐蝕；有效降低和吸收機體金屬零件的振動能量，減緩零件的磨損，延長零件的使用壽命；保持引擎蓋表面的油漆；保溫等效果。

Function: make the mechanical sound no longer loud, and the rest is the vibration of the body; Reduce and effectively alleviate chassis metal fatigue and prolong the service life of the car body; Good waterproof performance, preventing sheet metal corrosion; Effectively reduce and absorb the vibration energy of metal parts of the body, slow down the wear of parts, and prolong the service life of parts; Maintain the paint on the hood surface; Heat preservation and other effects.

步：在濟南寶馬汽車專修發動機艙蓋上套上相應的防火隔音棉，因為隔音棉可以提供發動機產生的噪音，而且還具有隔熱的作用。長期高溫會損壞車罩外部的油漆，隔音棉也會起到保護油漆的作用。

Step 1: put the corresponding fireproof and sound insulation cotton on the engine compartment cover of BMW in Jinan, because the sound insulation cotton can not only provide the noise generated by the engine, but also has the function of heat insulation. Long term high temperature will damage the paint on the outside of the car cover, and the sound insulation cotton will also protect the paint.

第二步：此時可以在車廂內的底盤和后車廂的底盤上安裝減震吸音墊、防水隔音棉和減震墊，這也是為了減少由振動形成的共振引起的聲音。還可以降低輪胎在運動中引起的路面噪音，降低排氣引起的噪音。

Step 2: at this time, shock absorption pads, waterproof and sound insulation cotton and shock absorption pads can be installed on the central chassis and the chassis of the rear compartment, which is also to reduce the sound caused by resonance formed by vibration. It can also reduce the road noise caused by tires in motion and the noise caused by exhaust.

第三步：可以在門的裝飾板上貼上防震墊和隔音棉，發生觸感會導致內板部件掉落。這時，隔音棉就具有降低共識和保持飾邊穩定性的作用。

Step 3: you can stick shockproof pads and sound insulation cotton on the decorative panel of the door, and the touch will cause the inner panel components to fall. At this time, the sound insulation cotton has the function of reducing consensus and maintaining the stability of trim.

第四步：前后輪的擋泥板也需要貼隔音棉，因為這兩個也是行駛時振動帶的傳遞區域。它還可以減少由道路和金屬結果引起的摩擦引起的噪音，也可以減少其駕駛員受到噪音的影響。

Step 4: the mudguards of the front and rear wheels also need to be pasted with sound insulation cotton, because these two centers are also the transmission areas of the vibration belt when driving. It can also reduce the noise caused by friction caused by road and metal results, and reduce the impact of noise on its drivers.

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