Tare da saurin ci gaban al'ummar ɗan adam, mutane suna da ƙarin buƙatun abin duniya da na ruhaniya, kuma suna bin kyakkyawan yanayin gida mai daɗi. Don haka mutane suna sayen sitiriyo masu tsayi, suna fatan jin daɗin kiɗa a gida; saya majigi, da fatan kallon fina-finai a gado; siyan tukwane, da fatan yin motsa jiki ba tare da barin gida ba. Yayin da mutane ke ƙara ƙaura zuwa gidajensu, babu makawa ya haifar da babbar matsala - hayaniya. Don haka, an fara yaƙin tsaro na "hayaniyar".
A halin yanzu, kayan shayar da sauti na gama gari da kayan rage amo a kasuwa sun haɗa da fiber polyester, ulun gilashi, kumfa polyurethane, da kayan ƙarfe na kumfa. A matsayin mafi kyawun farashi mai tsada da kayan aikin kumfa na aluminium a cikin aji, cikakkiyar ƙarancin sautinsa da ƙarfin rage amo shine sau 7-10 fiye da kumfa polyurethane, fiber gilashi, da aluminium saƙar zuma. Lokacin da aka yi amfani da su zuwa manyan jiragen ƙasa masu sauri da fa'idodin mota, murfin sauti yana kusa da 30dB. Dangane da bayanan gwajin, matakin rufe sauti na allon sauti na yau da kullun za'a iya rage shi da 5dB, kuma za'a iya rage kayan aluminium kumfa da 10-20dB. Bisa ga gwajin, an nuna cewa:
| Kayan abu | Ƙayyadaddun bayanai | Factor Rage Surutu/Yawan Insulin Sauti |
| Polyurethane kumfa | 35mm kauri | Ƙididdigar rage amo shine 0.85NRC |
| Polyurethane kumfa | 35mm kauri | Murfin sauti shine 23dB |
| Aluminum kumfa abu | 20mm kauri | Ƙididdigar rage amo shine 0.9NRC |
| Aluminum kumfa abu | 20mm kauri | Murfin sauti shine 30dB |
Tare da haɓaka masana'antar kumfa na aluminum, ana amfani da kumfa na aluminum a cikin mafi yawan filayen saboda mafi girman sautin sauti da rage yawan sauti da kuma abubuwan da ke da alaka da su, irin su shingen sauti na hanya, raƙuman raƙuman raƙuman ruwa, raguwar amo na ruwa na karkashin ruwa, da ramukan ramuka; Ganuwar wuraren shayar da sauti; kayan ado na ciki na wuraren nishaɗi; kumfa aluminum sauti rufi benaye; kumfa aluminum samar da manyan motoci, fasinja motoci da mota mufflers; samar da kumfa aluminum na ginin gine-gine masu shayar da sauti, irin su rikodi na rikodi, dakunan dubbing, dakunan wasan kwaikwayo, dakunan taro, wuraren wasanni da sauran filayen, suna da kyakkyawan aiki.
Lokacin aikawa: Maris-01-2022
