Microfiber suede bụ akwa akwa acoustic arụpụtara na-eji alkali- oké osimiri belatara{1}}àgwàetiti microporous architecture nke na-agbasasị ebili mmiri dị elu{2} ugboro ugboro. Mgbe etinyere ya dị ka onye isi ụgbọ ala, netwọkụ a na-agba ọsọ na-enweta ụda Absorption Coefficient (SAC)> 0.65 na 4000 Hz, na-ebelata ọnụ ụlọ Noise, Vibration, and Harshness (NVH) metrics na-achọghị oke oke.
Nkọwa ngwaahịa
Usoro nhazi nke iheAcoustic faux akpụkpọ anụKwupụta ozugbo ike NVH ya. Ihe ndị dị n'ime ụlọ PVC ma ọ bụ PU siri ike na-egosipụta ike dị egwu, na-eme ka ụda ụlọ na-emewanyewanyewanye na mkpọtụ okporo ụzọ. N'aka nke ọzọ, microfiber suede na-adabere na matriks electrospun polyethylene terephthalate (PET).
Na-eso mbelata alkaline nke polymer "oké osimiri" n'oge mmepụta, ọtụtụ nde micropores jikọtara ọnụ na-anọgide n'ime isi polyurethane. Mgbe ebili mmiri dị egwu banyere n'ime matriks a, nkwụsi ike dị n'etiti ikuku ikuku na-ama jijiji na ultra-ezigbo "agwaetiti" (ihe na-erughị ma ọ bụ ha nhata 0.02 denier) na-atụgharị ike ụda ka ọ bụrụ ike ọkụ. Usoro anụ ahụ a na-eme ka ikuku dị elu{4} na mkpọtụ taya tupu ọ erute na ntị onye bi.
Ịzụta & Ọkwa QA:Na-akwado paramita NVH maka ọgbakọ ime Tier 1? Rịọ akwụkwọ mpịakọta anụ ahụ yana akwụkwọ nyocha nka nka nke ụlọ nyocha (TDS).
Akuko Swatches anụ ahụ & Lab TDS maka suede ụgbọ ala na-anabata ụda
Data NVH: Ọkpụrụkpụ vs. Ọnụ Absorption Coefficient (SAC)
Maka ndị injinia NVH ụgbọ ala na-akọwapụta ngwongwo mpịakọta na-aga n'ihu makaHeadliner ihe N'ogbe, ọkpụrụkpụ ihe na-adakọ ozugbo na ụda attenuation n'otu eriri ugboro. Nnwale impedance Acoustic (ISO 10534-2 usoro tube impedance) na-akọwapụta arụmọrụ nnabata a.
Matriks na-esonụ na-atụpụta ikike nnabata ụda nke injinia{0}}ọkwa micro suede n'ofe eriri ụgbọ ala dị egwu.
| Mkpụrụ ọka | SAC na 1000 Hz (Injin / okporo ụzọ) | SAC na 2000 Hz (ifufe) | SAC na 4000 Hz (Elu -Ugboro) | Ngwa nhazi kacha mma |
| 0.6mm Micro suede | 0.15 | 0.35 | 0.55 | Ihe nlere anya anwụ, mkpụbelata ogidi A/B/C |
| 0.8mm Micro suede | 0.22 | 0.45 | 0.65 | Standard headliners, Ọnụ ụzọ |
| 1.2mm Micro suede | 0.30 | 0.55 | 0.75 | Ngwakọta ọnụ ụlọ dị adịchaghị |
| PVC ọkọlọtọ (1.2mm) | < 0.05 | < 0.05 | < 0.10 | Na-egosipụta nke ukwuu ( ọdịda ụda olu) |
Nkwụsi ike anụ ahụ yana nnabata kemịkalụ
Ijikọta ihe ndị na-eme mkpọtụ n'uko ụlọ chọrọ ịrapagidesi ike na ọkụ, ọkụ, na ụkpụrụ kemịkalụ. Ọkọlọtọ mepere{1}ụfụfụ ụda ụda cell na-emebi emebi n'okpuru ibu ọkụ na-aga n'ihu (na-agafe ogo 80 n'elu akụkụ ụlọ) yana gbanyụọ- ngwakọta organic na-agbanwe gas.
Microfiber acoustic anyị na-arụ ọrụ dị ka ihe kwụsiri ike, otu{0}ọkwa oyi akwa. Emepụtara site na iji DMF{2}}mmiri efu{3}} polyurethane na-ebu, ọ na-ekwe nkwa mpụta VDA 277 VOC na-adị obere ma ọ bụ haha na 10 mg/kg. Ọzọkwa, elu{7}} njupụta PET core na-agafe FMVSS 302 ọ̀tụ̀tụ̀ ọkụ ọkụ kwụ ọtọ (ihe na-erughị ma ọ bụ haha na 102 mm/min) ebe ọ na-ejigide ±0.05mm nlele nlele. Kpọmkwem nkwụsi ike nke a na-egbochi mwụda ma ọ bụ delamination n'oge okpomọkụ dị elu{12} na-etolite na ịma jijiji ubi na-aga n'ihu.
Bido nkọwapụta NVH omenala & Rịọ ngụpụta n'ogbe site na ngalaba akụrụngwa anyị
Ajụjụ A na-ajụkarị (FAQ)
Ajụjụ: Microfiber suede ọ na-enweta ụda karịa ezigbo akpụkpọ anụ?
A: Ee. Ezigbo akpụkpọ anụ nwere nnukwu ọka siri ike nke na-egosipụta ike dị egwu, na-abawanye ụda ụlọ. Microfiber suede na-egosi ọtụtụ nde micropores jikọrọ ọnụ ewepụtara site na oke osimiri ya{2}}àgwàetiti ya, na-ejide ikuku n'ụzọ anụ ahụ iji gbanwee ebili mmiri dị elu{{3} ugboro ugboro ka ọ bụrụ ike ọkụ.
Ajụjụ: Gịnị bụ ezigbo microfiber ọkpụrụkpụ maka automotive headliner?
A: Maka ezigbo nnabata ụda NVH na oghere na-akpụ nkwụsi ike, a na-akọwapụta nha nha 0.8mm ruo 1.2mm. Ihe nlele a na-enye ọnụọgụ Absorption Coefficient (SAC) karịrị 0.65 na 4000 Hz na-agbakwunyeghị oke ibu n'elu ụlọ ụgbọ ala.
Ajụjụ: Acoustic faux akpụkpọ anụ kwekọrọ na ụkpụrụ ikuku ikuku VDA 277?
A: Ee. Injinia -microfiber akustic na-eji DMF-free, water{3}} na-eke polyurethane coagulation. Nke a na-ewepụ ihe mgbaze fọdụrụnụ, na-ahụ na mkpokọta VOC ga-anọrịrị nke ọma na-erughị ma ọ bụ hà nhata 10 mg/kg, na-agafe oke VDA 277 na igbochi ikuku windshield dị n'ime (DIN 75201).
