Microfiber suede yog ib qho khoom siv acoustic textile siv cov alkali-tso dej hiav txwv- Island microporous architecture uas nquag dissipates siab - zaus acoustic nthwv dej. Thaum ua ntawv thov raws li lub hauv paus ntawm lub tsheb, qhov ntxeem tau lub network no ua tiav Sound Absorption Coefficient (SAC) > 0.65 ntawm 4000 Hz, ncaj qha txo cov suab nrov, kev vibration, thiab hnyav (NVH) metrics yam tsis tas yuav muaj ntau dhau.
Khoom Description
Lub structural mechanics ntawm ibacoustic faux tawvncaj qha dictate nws NVH damping peev. Standard PVC los yog khoom PU cov ntaub ntawv sab hauv muaj kev cuam tshuam acoustic zog, exacerbating cabin reverberation thiab amplifying txoj kev suab nrov. Hloov pauv, microfiber suede tso siab rau ntawm electrospun polyethylene terephthalate (PET) matrix.
Tom qab alkaline txo qis ntawm "hiav txwv" polymer thaum lub sijhawm tsim khoom, ntau lab ntawm cov micropores sib cuam tshuam nyob hauv cov tub ntxhais polyurethane. Thaum acoustic nthwv dej nkag mus rau hauv cov matrix no, kev sib txhuam tsis sib haum ntawm lub vibrating cua molecules thiab ultra-zoo "kob" fibers (tsawg dua los yog sib npaug rau 0.02 denier) hloov lub zog acoustic mus rau hauv kab thermal zog. Qhov kev siv lub cev no ua rau muaj kev cuam tshuam siab - zaus cua thiab lub suab nrov ua ntej nws mus txog tus neeg mob pob ntseg.
Kev Muag Khoom & QA Daim Ntawv Ceeb Toom:Validating NVH parameters rau Tier 1 sab hauv sib dhos? Thov ib daim qauv ntawm lub cev yob thiab peb cov ntawv pov thawj Technical Data Sheet (TDS).
Lub cev Swatches & Lab TDS Daim Ntawv Qhia rau Suab absorbing automotive suede
NVH Cov Ntaub Ntawv: Thickness vs Sound Absorption Coefficient (SAC)
Rau automotive NVH engineers specifications nruam yob khoom rauHeadliner khoom lag luam wholesale, cov ntaub ntawv thickness ncaj qha correlates nrog acoustic attenuation ntawm tej zaus bands. Kev xeem acoustic impedance (ISO 10534-2 impedance raj txoj kev) ntsuas qhov kev nqus dej no.
Cov matrix hauv qab no qhia txog qhov muaj peev xwm nqus dej ntawm engineering-qib micro suede hla qhov tseem ceeb ntawm cov tsheb loj zaus.
| Substrate Thickness | SAC ntawm 1000 Hz (Engine / Road) | SAC ntawm 2000 Hz (Cua) | SAC ntawm 4000 Hz (High-Frequency) | Optimal Structure Application |
| 0.6 hli Micro Suede | 0.15 | 0.35 | 0.55 | Sun visors, A / B / C ncej trim |
| 0.8 hli Micro Suede | 0.22 | 0.45 | 0.65 | Standard headliners, Qhov rooj panels |
| 1.2 hli Micro Suede | 0.30 | 0.55 | 0.75 | Premium acoustic qab nthab arrays |
| Standard PVC (1.2 hli) | < 0.05 | < 0.05 | < 0.10 | High reflective (Acoustic tsis ua hauj lwm) |
Lub cev ruaj khov thiab kev ua raws li tshuaj lom neeg
Kev sib xyaw cov ntaub ntawv acoustic rau hauv lub tsheb qab nthab yuav tsum tau ua raws li kev ua raws li thermal, flammability, thiab tshuaj lom neeg cov cai. Tus qauv qhib-cell acoustic foams degrade nyob rau hauv tas li thermal load (feem ntau tshaj 80℃ntawm ru tsev panels) thiab tawm - roj volatile organic tebchaw.
Peb cov acoustic microfiber ua haujlwm ruaj khov, ib qho - txheej txheej. Tsim los ntawm DMF- dej dawb-yug polyurethane, nws lav VDA 277 VOC emissions nyob twj ywm tsawg dua lossis sib npaug li 10 mg / kg. Tsis tas li ntawd, qhov siab - qhov ceev PET core inherently dhau FMVSS 302 kab rov tav hlawv tus nqi (tsawg dua los yog sib npaug rau 102 mm / min) thaum tuav nruj ± 0.05mm gauge kam rau ua. Qhov kev ruaj ntseg ntawm qhov tseeb no tiv thaiv cov txheej txheem sagging los yog delamination thaum lub sij hawm siab -kub lub tshuab nqus tsev tsim thiab nruam teb kev co.
Cov lus nug nquag nug (FAQ)
Q: Puas yog microfiber suede nqus suab zoo dua li tawv tawv?
A: Yog. Genuine leather possesses a dense, solid grain surface that reflects acoustic energy, increasing cabin echo. Microfiber suede nta ntau lab ntawm cov micropores sib cuam tshuam tau los ntawm nws lub hiav txwv -cov qauv ntawm cov kob, lub cev nqus cua los hloov siab - zaus suab nthwv dej rau hauv thermal zog.
Q: Qhov zoo tshaj plaws microfiber thickness rau lub tsheb headliner yog dab tsi?
A: Rau qhov zoo tshaj plaws NVH suab haum thiab lub tshuab nqus tsev tsim kev ruaj ntseg, 0.8mm mus rau 1.2mm thickness yog structurally teev. Qhov ntsuas no muab lub suab Absorption Coefficient (SAC) tshaj 0.65 ntawm 4000 Hz yam tsis tau ntxiv qhov hnyav hnyav rau lub ru tsev.
Q: Puas yog acoustic faux tawv ua raws li VDA 277 emission qauv?
A: Yog. Engineering-qib acoustic microfiber siv DMF-dawb, dej- ua los ntawm polyurethane coagulation. Qhov no tshem tawm cov kuab tshuaj residual, ua kom tag nrho cov VOC emissions nyob twj ywm nruj me ntsis tsawg dua los yog sib npaug rau 10 mg / kg, dhau VDA 277 txwv thiab tiv thaiv sab hauv windshield fogging (DIN 75201).
