Microfiber suede ke masela a acoustic a entsoeng ka boenjiniere a sebelisang alkali-e fokotsehileng leoatleng{1}}sehlekehleke sa meaho e menyenyane e felisang{2}maqhubu a maqhubu a molumo o phahameng. Ha e sebelisoa e le hlooho ea likoloi, marang-rang ana a porous a finyella Coefficient ea Sound Absorption (SAC)> 0.65 ho 4000 Hz, ka ho toba e fokotsa metrics ea cabin Noise, Vibration, and Harshness (NVH) ntle le ho hloka boima bo feteletseng.
Tlhaloso ea Lihlahisoa
Mechanics ea sebopeho saacoustic faux letlalolaela ka ho toba matla a eona a ho senya NVH. PVC e tloaelehileng kapa thepa e tiileng ea kahare ea PU e bonts'a matla a acoustic, e mpefatsang molumo oa khabinete le ho holisa lerata la tsela. Ka lehlakoreng le leng, microfiber suede e itšetlehile ka electrospun polyethylene terephthalate (PET) matrix.
Ka mor'a phokotso ea alkaline ea "sea" polymer nakong ea tlhahiso, limilione tsa li-micropores tse hokahaneng li ntse li le ka har'a mokoloko oa polyurethane. Ha maqhubu a acoustic a kenella ka har'a matrix ana, ho khohlakana pakeng tsa limolek'hule tsa moea tse sisinyehang le "sehlekehleke" sa "sehlekehleke" sa "sehlekehleke" sa "sehlekehleke" (Ka tlase kapa se lekanang le 0.02 denier) se fetola matla a acoustic ho etsa trace energy. Mokhoa ona oa ho sebetsa o kokobetsa{4}}khafetsa moea le lerata la thaere pele o fihla tsebeng ea motho.
Theko le Tsebiso ea QA:Ho netefatsa liparamente tsa NVH bakeng sa kopano ea ka hare ea Tier 1? Kopa moqolo oa lisampole tsa 'mele le laboratori ea rona e netefalitsoeng ea Tekheniki Data Sheet (TDS).
Physical Swatches & Lab TDS Report for Sound monyang suede ea likoloi
Lintlha tsa NVH: Botenya khahlano le Molumo oa Molumo (SAC)
Bakeng sa lienjiniere tsa likoloi tsa NVH tse hlalosang thepa e tsoelang pele bakeng saHeadliner material wholesale, botenya ba thepa bo amana ka ho toba le acoustic attenuation ho lihlopha tse khethehileng tsa maqhubu. Teko ea acoustic impedance (ISO 10534-2 impedance tube method) e lekanya katleho ena ea ho monya.
Matrix a latelang a rala matla a ho monya a acoustic a boenjiniere-grade micro suede ho pholletsa le lihlopha tsa bohlokoa tsa likoloi.
| Botenya ba Substrate | SAC ho 1000 Hz (Enjene/Tsela) | SAC ho 2000 Hz (Moea) | SAC ho 4000 Hz (High-Frequency) | Tšebeliso e nepahetseng ea Sebopeho |
| 0.6mm Micro Suede | 0.15 | 0.35 | 0.55 | Li-visor tsa letsatsi, li-pillar trim tsa A/B/C |
| 0.8mm Micro Suede | 0.22 | 0.45 | 0.65 | Li-headliner tse tloaelehileng, Liphanele tsa mamati |
| 1.2mm Micro Suede | 0.30 | 0.55 | 0.75 | Li-acoustic siling tsa Premium |
| PVC e tloaelehileng (1.2mm) | < 0.05 | < 0.05 | < 0.10 | Ho bonahatsa haholo (Acoustic failure) |
Botsitso ba 'Meleng le Tumellano ea Lik'hemik'hale
Ho kopanya lisebelisoa tsa acoustic holim'a siling ea koloi ho hloka ho khomarela ka tieo melaong ea mocheso, ea ho chesa le ea lik'hemik'hale. Foams tse tlwaelehileng tse butsweng- tsa acoustic cell di nyenyefatsa ha di le tlasa mocheso o tswelang pele (hangata o feta 80 degrees hodima diphanele tse marulelong) le ho tima{3}}metswako ya gase e fetofetohang.
Acoustic microfiber ea rona e sebetsa e le motsoako o tsitsitseng,{0}}o le mong. E entsoe ka ho sebelisa DMF-metsi a mahala-a tsamaisoang ke polyurethane, e netefatsa hore likhase tsa VDA 277 VOC li lula li le Ka tlase ho kapa ho lekana le 10 mg/kg. Ho feta moo, karolo e phahameng-ea PET core e feta ka tlhaho litlhoko tsa sekhahla sa ho chesa sa FMVSS 302 (Ka tlase kapa ho lekana le 102 mm/min) ha e ntse e boloka mamello e tiileng ea ±0.05mm gauge. Ho tsitsisa hona ho thibela ho putlama ha sebopeho kapa ho putlama nakong ea{12}}ea ho tsoa ha vacuum e phahameng le ho sisinyeha ho sa khaotseng ha sebaka.
Lipotso tse atisang ho botsoa (FAQ)
P: Na microfiber suede e monya molumo ho feta letlalo la 'nete?
A: Ho joalo. Letlalo la 'nete le na le bokaholimo bo teteaneng, bo tiileng ba lijo-thollo bo bonts'ang matla a acoustic, echo e ntseng e eketseha. Microfiber suede e na le limilione tsa li-micropores tse hokahantsoeng tse tsoang leoatleng-sebōpeho sa sehlekehleke sa eona, se tšoarang moea ho fetola{3}} maqhubu a molumo o phahameng hore e be matla a mocheso.
P: Ke botenya bofe bo nepahetseng ba microfiber bakeng sa hlooho ea koloi?
A: Bakeng sa ho monya molumo o nepahetseng oa NVH le botsitso ba sebopeho sa vacuum, botenya ba 0.8mm ho isa ho 1.2mm bo hlalositsoe ka sebopeho. Lekhalo lena le fana ka Coefficient ea Molumo oa Molumo (SAC) e fetang 0.65 ho 4000 Hz ntle le ho eketsa boima bo feteletseng marulelong a koloi.
P: Na letlalo la acoustic faux le lumellana le litekanyetso tsa tlhahiso ea VDA 277?
A: Ho joalo. Engineering{{1}grade acoustic microfiber e sebelisa DMF{2}e sa lefelloeng, ea metsi{3}e tsamaisoang ke polyurethane coagulation. Sena se felisa lihlapolli tse setseng, ho etsa bonnete ba hore mesi eohle ea VOC e lula e le Ka tlase ho kapa e lekana le 10 mg/kg, ho feta meeli ea VDA 277 le ho thibela moholi o ka hare oa moea (DIN 75201).
