Brazing Alloy Aluminium Honeycomb Vaj Huam Sib Luag

A: Ib qho ntshiab 4047 brazing alloy aluminium honeycomb vaj huam sib luag yog tag nrho -aluminium, tag nrho -welded (brazed) sandwich vaj huam sib luag nyob rau hauv uas cov txhuas lub ntsej muag tawv (feem ntau 3003, 5052, los yog 6061 alloy) yog mus tas li metallurgically bonded rau aluminium honeycomb cores siv {704} brazilis (7024) ~ 12% silicon) nyob rau hauv lub tshuab nqus tsev tswj los yog fluxless brazing rauv. Tsis zoo li adhesive-bonded honeycomb panels, muaj xoom organic adhesive - tag nrho lub vaj huam sib luag yog 100% hlau, koom nrog qib molecular. Qhov no ua rau lub vaj huam sib luag nrog cov khoom siv isotropic tiag tiag, Chav Kawm A tsis muaj kev nyab xeeb hluav taws (tsis muaj cov ntsiab lus combustible txawm li cas los xij), tshwj xeeb thermal conductivity rau kev siv hluav taws xob sib pauv, qhov kev pabcuam kub tsis txwv (txog ~ 400℃txuas ntxiv), thiab lub neej txee tsis kawg uas tsis muaj kev laus lossis kev puas tsuaj ntawm daim ntawv cog lus.

A: Common specifications:
Lub ntsej muag daim tawv nqaij alloy: 3003-H14 (tus qauv), 5052-H32 (marine / siab zog), 6061-T6 (structural), 1100 (ntshiab txhuas, conductive / tshuaj)
Lub ntsej muag tawv tuab: 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 3.0mm
Core alloy: 3003-H18 (tus qauv), 5052-H18 (marine)
Lub cev loj: 3.2mm, 4.8mm, 6.4mm, 9.6mm, 12.7mm
· Core ceev: 32–192 kg/m³ (feem ntau 48–96 kg/m³ rau brazed panels)
Tag nrho cov vaj huam sib luag thickness: 6mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm (txog 150mm)
· Txheem vaj huam sib luag loj: 1220 × 2440mm, 1220 × 3050mm, 1500 × 3000mm, 1500 × 4000mm (tsuas yog lub tshuab nqus tsev vacuum chamber loj - feem ntau 1500 × 4000mm)
Qhov hnyav: kwv yees li 6.5-7.0 kg / m² ntawm 15mm tag nrho tuab nrog 1.0mm / 1.0mm tawv thiab 6.4mm cell core
· Brazing alloy: 4047 (AlSi12), melting ntau 577-582 degree; filler hlau ua ib lub fillet ntawm txhua qhov tseem ceeb - mus rau - tawv nqaij taw tes
· Nto tiav tom qab brazing: zeb tiav (natural txhuas), haum rau tom ntej anodizing, hmoov txheej, PVDF, los yog txhuam

A: Brazed aluminium honeycomb panels yog cov khoom tshwj xeeb, siab - khoom muaj nqis. Qhov feem ntau MOQ yog 50-150 square meters rau tus qauv specifications. Cov qauv me me lossis R & D ntau (10-50 m²) muaj nyob nrog tus nqi teeb tsa. Vim tias lub tshuab nqus tsev brazing yog txheej txheem batch rauv, kev lag luam kev lag luam nyiam cov khoom loj dua. Cov qauv vaj huam sib luag (300 × 300mm) muaj rau kev soj ntsuam. Thov muab koj lub vaj huam sib luag qhov ntev, alloy thiab thickness yuav tsum, thiab daim ntawv thov cov ntsiab lus rau ib tug hais.

A: Common applications:
· Aerospace thiab tiv thaiv: aircraft pem teb panels, missile fin lug, satellite structural panels, radar kav hlau txais xov panels, moj tej tawg - tiv thaiv armor backing - xoom outgassing nyob rau hauv lub nqus tsev vacuum, huab cua kub kam rau ua
· High-Speed ​​rail thiab metro: pem teb vaj huam sib luag, hluav taws teeb thaiv vaj huam sib luag, cov khoom siv lub qhov rooj - Chav Kawm A qhov hluav taws kub tsis muaj pa taws / lom
· Marine thiab naval: lawj thiab bulkhead panels, hatch npog, moj tej tawg qhov rooj, nyoob hoom qav taub tsaws pads - tag nrho waterproof, corrosion{1}}resistant (5052/5083 alloys)
· Thaum tshav kub kub exchangers thiab thermal tswj: brazed honeycomb raws li compact tshav kub exchanger cores, txias daim hlau rau lub hwj chim electronics, thermal spreaders rau LED arrays thiab roj teeb packs - 4047 fillets muab tas mus li thermal txoj kev
· Industrial machinery: tshuab hauv paus, kev co-damped platforms, optical rooj saum, lub tshuab nqus tsev cov ntxhuav - siab nruj, thermal stability, vibration damping
· Cov chav huv huv thiab cov khoom siv hluav taws xob: cov rooj tuav wafer, cov txheej txheem chamber liners, ESD- thaj chaw ua haujlwm nyab xeeb - xoom particle shedding, tshuaj lom neeg -resistant
· Architecture (khoom kim heev): moj tej tawg- ntsuas qhov rooj nkag, siab- kev nyab xeeb muab faib vaj huam sib luag, hluav taws kub- elevator sab hauv muaj kev nyab xeeb, cov pa luam yeeb tawm duct panels
· Khoom noj khoom haus thiab tshuaj ua: tu vaj tse phab ntsa thiab qab nthab vaj huam sib luag - 100% hlau, tiv taus siab -siab ntxuav thiab tshuaj tua kab mob, tsis muaj crevices rau cov kab mob loj hlob
· Automotive thiab motorsport: firewall panels, underbody tiv thaiv, roj teeb enclosure panels (EV) - crash zog nqus + thermal tswj + hluav taws kub
· Acoustic vaj huam sib luag (ib puag ncig heev): micro-perforated brazed honeycomb panels rau dav hlau cav kuaj hlwb, tso pa silencers, thiab muaj suab nrov tswj - withstands 400℃thiab siab -ceev airflow

A: ① 100% hlau - xoom combustibles: tsis muaj epoxy, tsis muaj polyurethane, tsis muaj phenolic, tsis muaj nplaum ntawm txhua yam. Lub vaj huam sib luag yog qhov hluav taws kub Class A tiag- ntsuas (GB 8624, EN 13501-1 A1) nrog xoom pa taws thiab xoom emissions. Qhov no yog qhov tseeb hluav taws kub-kev nyab xeeb vaj huam sib luag honeycomb thiab tsuas yog kev xaiv rau cov ntawv thov uas cov nplaum tawm los yog combustion tsis tuaj yeem lees txais.
② Metallurgical daim ntawv cog lus - ntau zog: lub brazed sib koom ntawm daim tawv nqaij thiab cov tub ntxhais yog ib tug tiag tiag metallic daim ntawv cog lus, tsis yog ib tug polymer nplaum interface. Shear zog thiab tev lub zog yog 2–5 × siab dua li cov nplaum- sib npaug sib npaug. Lub vaj huam sib luag coj los ua ib qho kev sib xyaw ua ke ntau dua li lub laminate uas tuaj yeem delaminate.
③ Unlimited kev pabcuam kub: kev siv txuas ntxiv mus txog 400 degree; intermittent mus txog 500℃(mus txog lub solidus ntawm 4047 ntawm ~ 577 degree). Adhesive-bonded panels feem ntau degrade saum 80-120℃. Brazed panels tuaj yeem siv rau hauv lub cav ntim khoom, qhov chaw tso pa tawm, thiab hluav taws kub - ntsuas cov rooj sib txoos yam tsis muaj kev puas tsuaj ntawm cov qauv.
④ Zero outgassing: nyob rau hauv lub tshuab nqus tsev (chaw, semiconductor) thiab siab -kub ib puag ncig, organic adhesives outgas volatile tebchaw uas condense ntawm optics, sensors, thiab wafers. Brazed panels muaj xoom outgassing ib ASTM E 595 - tag nrho cov huab hwm coj poob (TML)<0.01%, collected volatile condensable material (CVCM) <0.01%.
⑤ Infinite txee lub neej thiab tsis muaj kev laus: cov nplaum muaj hnub nyoog, embrittle, thiab poob zog ntau xyoo dhau los vim oxidation, noo noo, thiab thermal cycling. Daim ntawv cog lus metallurgical brazed yog ruaj khov - tsis muaj degradation nyob rau txhua lub sijhawm. Cov vaj huam sib luag tsim hnub no yuav muaj cov khoom siv kho tshuab zoo ib yam hauv 50+ xyoo.
⑥ Cov thermal conductivity zoo dua: cov nplaum nplaum ua cov thermal insulators ntawm daim tawv nqaij thiab cov tub ntxhais. Nyob rau hauv ib lub vaj huam sib luag brazed, 4047 fillet tsim ib txoj hauv kev thermal txuas ntxiv - thermal conductivity los ntawm lub vaj huam sib luag thickness yog 10–50 × siab dua li nplaum- kev tsim kho. Qhov tseem ceeb rau kev siv hluav taws xob thiab kev tswj xyuas thermal.
⑦ Cryogenic compatibility: brazed txhuas panels ua nyob rau hauv cryogenic kub (txog -269℃/ kua helium) tsis muaj embrittlement. Adhesives ua nkig thiab tawg hauv qab -55 degree. Brazed panels yog siv nyob rau hauv LNG ntim, superconducting hlau nplaum txhawb, thiab qhov chaw cryostat qauv.
⑧ Radiation resistant: nyob rau hauv nuclear, chaw, thiab kev kho mob (radiotherapy) ib puag ncig, organic polymers degrade nyob rau hauv ionizing hluav taws xob. Brazed tag nrho - txhuas vaj huam sib luag yog tiv thaiv hluav taws xob puas tsuaj - txwv tsis pub noj tshuaj.
⑨ Hluav taws xob conductive thoob plaws: nplaum txheej yog hluav taws xob insulators. Brazed panels yog cov tawv nqaij ua tiav tag nrho-rau-core - qhov tseem ceeb rau EMI / RFI shielding, tiv thaiv xob laim (aerospace), thiab kev siv hluav taws xob / kev siv hauv av.
⑩ Ntau ruaj nyob rau hauv ib puag ncig aggressive: adhesives raug rau hydrolysis (kub / ntub), cov kuab tshuaj, hydraulic kua (Skydrol), thiab muaj zog acids / bases. Lub brazed aluminium sib koom ua ke tiv taus rau tag nrho cov no - lub vaj huam sib luag tuaj yeem rov ua dua chav - ntxuav, tshuaj tua kab mob, lossis raug rau cov tshuaj lag luam yam tsis muaj daim ntawv cog lus degradation.

A: Tshaj tawm -brazing nto kev kho mob (tso tom qab txheej txheem brazing):
· Mill tiav (raws li -brazed): ntuj aluminium nrog kub tint - haum rau kev lag luam thiab zais daim ntaub ntawv. Yuav maj mam txhuam los yog polished.
· Anodizing (ntshiab los yog xim): electrochemical oxide txheej (10–25μm) - ntuj nyiaj, tooj liab, dub, kub, champagne. Nyuaj, hnav-resistant, thiab corrosion{5}}resistant.
· Powder txheej: polyester lossis epoxy-polyester, 60–120μm - xim ntau yam, matte / satin / gloss, zoo ua haujlwm zoo rau kev siv sab hauv thiab sab nrauv.
· PVDF / FEVE fluorocarbon txheej: 25–45μm, Kynar 500® los yog Lumiflon® - huab cua hwm- tiv thaiv tiav rau sab nrauv architectural thiab marine daim ntaub ntawv. 25+ xyoo xim.
· Brushed / hairline finish: mechanical txhuam rau linear metallic texture - nrov rau pom architectural thiab rooj tog daim ntaub ntawv.
· Cov tshuaj hloov pauv tshuaj (chromate lossis chrome-dawb): tiv thaiv corrosion primer ua ntej pleev xim lossis rau liab qab- daim ntaub ntawv hlau.
· Daim iav polishing: siab -reflectivity nto rau hniav, teeb pom kev zoo, thiab kho qhov muag daim ntaub ntawv.
Ua ntej- kev txiav txim siab brazing: cov tawv nqaij ntawm lub ntsej muag nkag mus rau hauv lub qhov cub brazing hauv zeb tiav lossis ua ntej- kho mob. Kev ua tiav saum npoo feem ntau yog siv tom qab brazing, tshwj tsis yog rau ua ntej- cov tawv nqaij anodized (cov txheej txheem tshwj xeeb yuav tsum tau ua kom tsis txhob muaj oxidation cuam tshuam nrog brazing).

A: Yog - qhov no yog qhov hluav taws kub tshaj plaws - muaj kev nyab xeeb aluminium honeycomb vaj huam sib luag muaj. Nws yog 100% hlau (aluminium alloy skins + aluminium alloy core + aluminium-silicon brazing filler metal) nrog rau cov ntsiab lus xoom combustible kiag li. Tsis muaj nplaum, tsis muaj polymer, tsis muaj cov khoom siv organic ntawm txhua yam hauv vaj huam sib luag.
Cov ntawv pov thawj hluav taws tau ua tiav:
· GB 8624: Chav A (tsis yog-combustible) - qhov ntsuas siab tshaj plaws
EN 13501-1: A1 (tsis muaj kev pab cuam rau hluav taws) - qhov ntsuas siab tshaj plaws
ASTM E84: Chav Kawm A (nplaim kis index 0, pa luam yeeb tsim index 0)
· BS 476 Part 4 & 7: non-combustible, Class 1 nto kis ntawm nplaim taws
· IMO FTP Code Part 1 & 5: non-combustible, nto flammability - marine pom zoo
· FAR 25.853 (a) & (d): ntsug Bunsen burner & OSU kub tso tawm - aerospace pom zoo
TS EN 45545 - 2: HL3 (siab tshaj plaws kev phom sij) - European rail standard
Lub vaj huam sib luag brazed yog qhov kev daws teeb meem zoo tshaj plaws rau cov ntawv thov kev nyab xeeb hluav taws kub uas xav tau tshaj plaws, suav nrog siab -nce façades, tunnels, chaw nres tsheb hauv av, nkoj nkoj, thiab dav hlau sab hauv. Cov ntaub ntawv kuaj hluav taws muaj muaj.

A: Nqus brazing yog txheej txheem batch rauv; Lub sij hawm ua cov hmoov txhuas nyob ntawm qhov cub muaj thiab batch loj:
· Standard specifications, me me batch (50-200 m²): 20-30 hnub ua hauj lwm
· Standard specifications, ntau lawm batch (200–1,000 m²): 30–45 hnub ua hauj lwm
· Kev cai alloy lossis tsis yog -tus qauv kev qhia tshwj xeeb: 45-60 hnub ua haujlwm
· Large project orders (>1,000 m²): kev xa khoom xa mus, teem caij lees paub rooj plaub-los ntawm- rooj plaub
Cov txheej txheem tseem ceeb: kev nthuav dav → ntsej muag daim tawv nqaij npaj → sib dhos thiab kho → lub tshuab nqus tsev vacuum (ib lub voj voog: 6-12 teev suav nrog cov cua sov-nce, nyob ntawm 590–610 degree, thiab tswj kom txias- nqis) → tshuaj xyuas (ultrasonic C-scan, flatness check) {7}. Rauv chamber loj txwv lub vaj huam sib luag qhov ntev (feem ntau 1500 × 4000mm rau cov qauv tsim khoom siv hluav taws xob).

A: Ntim: Txhua lub ntsej muag vaj huam sib luag muaj kev tiv thaiv nrog lub Hoobkas- siv PE tiv thaiv zaj duab xis (rau qhov chaw coated). Cov vaj huam sib luag tau sib cais los ntawm cov npuas lossis corrugated cardboard interlayers, stacked tiaj tus ntawm hnyav - lub luag haujlwm pallets, ntug- tiv thaiv nrog kaum tus neeg saib xyuas, qhwv hauv zaj duab xis ncab, thiab muab ntim rau hauv lub plywood crate rau export. Cov khoom siv desiccant suav nrog.
Shipping:
· Hauv tsev: tshwj xeeb kev thauj mus los, qhov rooj - mus rau - qhov rooj
· International: FCL hiav txwv freight. FOB / CIF nqe lus.
Daim ntawv tshwj xeeb: cov panels brazed yog nruj thiab tsis tuaj yeem dov lossis flexed. Pem tiaj; tsis txhob ntswj vertically rau ncua sij hawm (kev pheej hmoo ntawm warping nyob rau hauv tus kheej- hnyav). Mechanical tuav nrog suction khob lifters pom zoo rau cov panels loj.

A: Kev ua haujlwm (post-brazing fabrication):
· Txiav: waterjet txiav yog pom zoo rau brazed panels - tsis muaj cua sov- cuam tshuam cheeb tsam, huv si ntug, tsis muaj delamination txaus ntshai. Xwb, CNC machining nrog carbide lossis pob zeb diamond cov cuab yeej ntawm tus nqi noj nruab nrab. Laser txiav yog ua tau rau nyias panels (<10mm) but may cause edge melting at the cut line.
· Edge finishing: the brazed edge fillets present a clean metallic appearance. For architectural applications, edges can be deburred, chamfered, or polished. Edge closure profiles (aluminum U-channel) can be bonded (with structural adhesive only at ambient temperature; do NOT re-braze or apply heat >400 degree).
· Drilling: siv ntse carbide laum khoom ntawm tus qauv txhuas drilling ceev (3,000-5,000 RPM). Cov tawv nqaij brazed - rau - cov tub ntxhais daim ntawv cog lus yuav tsis delaminate nyob ib ncig ntawm lub qhov, tsis zoo li cov nplaum - cov vaj huam sib luag.
· Fastening: threaded inserts (rivet txiv ntseej, helicoil, keysert) tuaj yeem ntsia tau ncaj qha - cov tawv nqaij tawv tawv muab cov xov muaj zog. Los ntawm -bolts nrog washers faib load zoo.
· Vuam: panels tuaj yeem welded rau cov qauv txhuas siv TIG lossis MIG vuam ntawm daim tawv nqaij. Khaws cov cua kub tawm hauv zos; tsis txhob siab tshaj 500℃ntawm cov tub ntxhais - mus rau - daim tawv nqaij interface kom tsis txhob re- melting lub 4047 braze alloy.
Kev teeb tsa:
· Raws li architectural cladding: tib txoj kev teeb tsa raws li nplaum-bonded honeycomb panels - aluminium substructure nrog stainless hlau fasteners, ventilated rainscreen txoj cai
· Raws li cov txheej txheem hauv pem teb: panels tau nteg rau ntawm ib theem kev txhawb nqa daim phiaj nrog shimming; ntug interlock lossis pob tw -joint; sealant siv rau cov pob qij txha rau cov plag tsev tsis muaj dej
· Raws li cov ntxhuav tshuab: panels yog bolted rau ib tug hlau los yog txhuas puag ncej los ntawm pre-ntsia threaded inserts; nto av los yog ya -txiav rau flatness (± 0.05mm tshaj 2m)
· Raws li cov khoom siv hluav taws xob: cov vaj huam sib luag tau muab tso rau hauv cov kua dej manifold; inlet / qhov hluav taws xob ports yog welded rau lub vaj huam sib luag ntug
Peb muab tag nrho fabrication thiab installation qhia tailored rau ib daim ntawv thov.