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本文介绍了喷注噪声的发声机制及采用小孔喷注降噪的原理。文中还介绍了依据小孔喷注而设计的高压釜消声器、气缸排气消声器、风动砂轮机消声器等,在铸造车间的应用情况及降噪的效果。
This article describes the injection noise injection mechanism and the principle of using small hole injection noise reduction. The paper also introduces the application of the autoclave muffler, cylinder exhaust muffler, windmill grinder muffler designed according to the hole injection and the application in casting shop and the effect of noise reduction.