ʻO ka hoʻokuʻu ʻana o ke kaʻa maʻamau ʻo PU no nā ʻāpana kaʻa hoʻoheheʻe kaʻa

Hiʻona

Loaʻa nā huahana bumper automotive i nā waiwai kino maikaʻi a kūpono loa i nā ʻāpana kaʻa pono e kū i nā ukana ikaika nui.He liʻiliʻi loa ka hoʻonui ʻana i ka ʻaoʻao i ka wā e hoʻopili ʻia, no laila e hāʻawi ana i ka hana kiʻekiʻe ma kahi liʻiliʻi.ʻO kekahi o nā alapine resonance o ka bumper kaʻa ma kahi o 50Hz, a ʻo ka mea ʻē aʻe ma kahi o 75Hz, kahi mamao loa mai ke alapine resonance o ka walaʻau alanui o 15 ~ 20Hz.No laila, hiki iā ia ke hoʻohaʻahaʻa i ka resonance ma waena o nā ʻāpana kino a me ka lepo, hāʻawi i ka absorption haʻalulu maikaʻi loa, hoʻemi i ka hopena Noise, haʻalele i ka haʻalulu, hoʻonāukiuki leo.

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