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tie down strap buckle Polyester Webbing supplier

2018-03-31 16:08:02

tie down strap buckle
tie down strap buckle
 Polyester Webbing supplier
Polyester Webbing supplier
tie down strap buckle  Polyester Webbing supplier
tie down strap buckle Polyester Webbing supplier

Polyester Webbing supplier describes the scientific principles of noise reduction
Noise reduction, as a closely linked theory and practice, requires the support of many disciplines. In the process of noise reduction measures, attention should be paid to absorbing and applying various scientific theories. The use of covers and enclosures to insulate the entire machine and noise components is the basic method of reducing noise. Establish sound barriers, and use other sound insulation materials and sound insulation structures to block the spread of noise. Apply sound-absorbing materials and sound-absorbing structures to convert the noise energy in the transmission into heat energy. In textile workshops, commonly used sound-absorbing materials are mainly porous sound-absorbing materials such as glass wool, mineral wool, expanded perlite, and perforated sound-absorbing panels. The sound absorption properties of a material are determined by its roughness, flexibility, and porosity. In addition, lawns, trees, etc. around buildings are also good sound-absorbing materials. The cover layer made of damping material with large internal friction is one of the effective methods to reduce the vibration of the structure, that is, to weaken the radiation noise. In textile workshops, this method of noise reduction was first applied to machines with thin-walled protective bodies, and all the mechanisms were fully closed with obvious results.
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