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Engine Soundproofing Technology: Silent Way During the operation of the car,European Cup live the engine will produce noise, which will affect the driver's riding experience. In order to solve the noise problem generated by the engine, car manufacturers have begun to develop the use of engine soundproofing technology to alleviate the noise problem. With consumers' increasing requirements for the comfort of cars, engine soundproofing technology has been widely developed and adopted. Next, let's introduce the silent way of engine soundproofing technology. I. The choice of manufacturing materials is an important factor affecting the sound insulation effect of vehicles. In order to reduceTo reduce the spread of noise, car manufacturers use a variety of different materials: fireproof cotton, sound-absorbing materials, insulation materials, joint gaskets, etc. Among them, sound-absorbing materials are one of the most commonly used materials for automobile soundproofing. Commonly used materials include polyester cotton, foam plastic, short fiber and other materials. They can effectively absorb engine noise and reduce the spread of environmental noise. II. The application of sound insulation is also one of the important factors for the sound insulation effect of automobiles. The general sound insulation methods include vibration isolation, sound insulation and sound absorption, etc. Vibration isolation is applied to key parts such as engine brackets, transmission brackets and wheels. Sound insulation is to reduce the spread of noise through the absorption and reflection of sound waves by materials. And sound absorption reduces the reflection of noise by absorbing sound waves. III. Structural design of the engine The structural design of the engine is also another important influencing factor affecting car noise.Modern engines adopt a variety of design methods such as four-cylinder, six-cylinder and V-shaped. Different design methods will affect the size and frequency of noise. The vehicle also adopts various noise reduction structures, such as gear adjusters, balance shafts, transmissions, etc. IV. In-car soundproofing is also an important measure to solve car noise. Automobile manufacturers adopt various noise reduction measures in the car, such as multi-layer soundproof glass, high-density soundproof cotton, high-efficiency soundproofing materials, etc. V. Powertrain noise handling system The powertrain noise handling system is designed to reduce the generation and propagation of engine and transmission noise. The powertrain noise handling system reduces the spread of noise by changing the driving sound of the engine and transmission. It reduces the spread of engine noise throughout the body by controlling the vibration source of the noise, changing the operating frequency of the engine and the transmission path of the engine sound waves.In a word, engine soundproofing technology is an indispensable technology in the modern automobile industry. It greatly improves the comfort of riding, reduces the fatigue of drivers, and creates a healthier and more fashionable travel environment for people.

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