Muaj pes tsawg txoj kev kho deg Koj puas paub rau Zinc Alloy Tuag Casting Parts?
Taw qhia
Zinc alloy tuag casting qhov chaw tau dav siv hauv kev lag luam xws li cov khoom siv hluav taws xob, cov khoom siv hauv tsheb, thiab cov khoom siv kho vajtse vim lawv qhov zoo tshaj plaws castability, qhov tseeb qhov tseeb, thiab tus nqi -kev ua tau zoo. Txawm li cas los xij, lub ntuj nto ntawm zinc alloy qhov chaw yog nquag oxidation, corrosion, thiab hnav, uas tuaj yeem txo lawv lub neej kev pab cuam thiab kev zoo nkauj.
Kev xaiv txoj kev kho saum npoo zoo tsis yog tsuas yog txhim kho qhov tsos xwb- nws cuam tshuam ncaj qha rau ntawm qhov ntev, kev ua tau zoo, thiab txawm tias nws qhov kev sib tw ua lag luam. Piv txwv li, kev kho deg tsis zoo tuaj yeem ua rau cov khoom tsis ua haujlwm tsawg li 6 lub hlis hauv qhov chaw ntub dej, thaum lub qhov dej zoo -kev kho kom haum tuaj yeem txuas lub neej kev pab mus rau ntau tshaj 10 xyoo.
Hauv phau ntawv qhia no, peb yuav rhuav tshem cov kev kho mob feem ntau thiab siv tau zoo rau zinc alloy tuag casting qhov chaw, lawv qhov zoo, qhov tsis zoo, daim ntawv thov scenarios, thiab cov ntsiab lus tseem ceeb rau koj qhov project.
Electropolishing
Nws yog dab tsi
Electropolishing yog txheej txheem electrochemical uas tshem tawm cov txheej txheej nyias ntawm cov khoom siv zinc alloy, uas ua rau lub ntsej muag du, ci ntsa iab, thiab deburred. Tsis zoo li txhua yam polishing, nws tsis qhia qhov kev ntxhov siab ntawm qhov chaw, ua rau nws zoo tagnrho rau cov khoom precision nrog cov geometry nyuaj.
Cov txiaj ntsig tseem ceeb
Superior Smoothness: Ua tiav qhov roughness tsawg li Ra 0.05-0.2 μm (cov ntaub ntawv los ntawm ASTM B912-18 tus qauv rau electropolishing ntawm hlau).
Corrosion Resistance: Tshem tawm cov kab mob saum npoo av thiab tsim cov zaj duab xis passive, txhim kho kev tiv thaiv xeb thiab xeb txog li 300% piv rau qhov tsis tau kho (ib qho kev tshawb fawb los ntawm American Electroplaters thiab Surface Finishers Society, AESF).
Tsis muaj Burrs lossis Kev Nyuaj Siab: Tshem tawm cov micro-burrs los ntawm kev tuag casting yam tsis muaj kev ntxhov siab seem, uas yog qhov tseem ceeb rau cov khoom uas yuav tsum tau ua kom nruj (± 0.02mm).
Tej kev siv
Cov khoom siv hluav taws xob siv hluav taws xob (piv txwv li, smartphone thav duab, lub koob yees duab vaj tsev)
Precision kho vajtse accessories (xws li, saib rooj plaub, xauv qhov chaw)
Cov cuab yeej kho mob (qhov twg du, tsis yog - yuav tsum tau muaj cov kab mob sib kis)
Peb Case
Peb tau ua haujlwm nrog cov neeg siv khoom European tsim zinc alloy saib rooj plaub. Thaum xub thawj, lawv siv cov tshuab polishing, uas ua rau qhov tsis sib xws ntawm qhov smoothness (Ra 0.4-0.8 μm) thiab 5% ntawm cov khoom raug tsis lees paub vim qhov seem burrs. Tom qab hloov mus rau peb cov kev pabcuam electropolishing, peb ua tiav Ra 0.1 μm qhov nruab nrab roughness, txo qhov tsis kam lees rau 0.2%, thiab cov khoom dhau 1000-teev ntsev tsuag tshuaj tsis muaj corrosion.
Electroplating
Electroplating yog ib qho ntawm cov kev kho mob uas siv ntau tshaj plaws rau zinc alloy tuag castings, nrog rau kev tso cov txheej txheem ntawm cov hlau (xws li, npib tsib xee, chromium, tooj liab, kub) mus rau qhov chaw ntawm electrolysis. Common variants muaj xws li:
1 Nickel plating
Hom: Bright npib tsib xee, semi-bright nickel, matte nickel
Kev ua tau zoo:
Corrosion tsis kam: Muab kev tiv thaiv kev ya raws thiab tshuaj lom neeg; Thaum ua ke nrog chromium topcoat, ntsev tsuag tuaj yeem ncav cuag 48-72 teev (raws li ISO 9227 tus qauv).
Cov tsos mob: Bright npib tsib xee muaj ib daim iav-zoo li tag, thaum matte npib tsib xee muab qhov qis-gloss, niaj hnub saib.
Daim ntawv thov: Automotive tha xim sab hauv, chav dej kho vajtse, khoom siv hauv chav ua noj.
2 Chrome Plating
Cov yam ntxwv tseem ceeb: Cov classic "chrome tiav" nrog siab reflectivity thiab hardness. Hard chrome plating tuaj yeem ua kom tawv tawv rau 800-1000 HV, txhim kho kev hnav tsis kam.
Kev txiav txim siab: Yuav tsum muaj ntau- txheej txheej (tooj liab + npib tsib xee) los tiv thaiv zinc alloy corrosion los ntawm plating da dej. Cov kev cai ib puag ncig (xws li EU REACH) txwv hexavalent chromium, yog li trivalent chrome plating tam sim no tus qauv kev lag luam.
Daim ntawv thov: Kho kom zoo nkauj kho vajtse, automotive trim, cuab yeej tuav.
3 Kub / Nyiaj Plating
Cov txiaj ntsig: Cov khoom siv hluav taws xob zoo heev (nyiaj plating muaj qhov ua tau zoo tshaj plaws ntawm cov hlau sib xws, 63 x 10^6 S / m) thiab corrosion kuj, zoo tagnrho rau kev sib cuag hluav taws xob.
Nqe Lus Cim: Feem ntau yog siv los ua ib txheej nyias nyias (0.1-0.5 μm) tshaj npib tsib xee kom sib npaug kev ua haujlwm thiab tus nqi.
Daim ntawv thov: Electronic connectors, RF Cheebtsam, siab-kawg hniav nyiaj hniav kub accessories.
Peb Case
Teb Chaws Asmeskas-raws li tus neeg siv khoom tsim cov zinc alloy hluav taws xob txuas tau ntsib teeb meem nrog kev tiv thaiv tsis zoo (Ntau dua lossis sib npaug li 10 mΩ) thiab nquag ua tsis tiav hauv qhov chaw siab - av noo. Peb pom zoo kom muaj nickel undercoat (5 μm) + nyiaj topcoat (0.3 μm) txheej txheem plating. Tom qab kev kho mob, kev tiv thaiv kev tiv thaiv tau poob qis dua los yog sib npaug li 2 mΩ, thiab cov khoom tau dhau los ntawm 96-teev ntsev tsuag tshuaj tsuag, txo qhov tsis ua hauj lwm ntawm 92% hauv 6 lub hlis.
Hmoov Txheej
Nws yog dab tsi
Hmoov txheej yog txheej txheem qhuav tiav qhov twg electrostatically them hmoov cov khoom (polyester, epoxy, lossis hybrid resins) tau siv rau ntawm qhov chaw, tom qab ntawd kho hauv qab cua sov los ua ib txheej tawv, tiv thaiv txheej.
Qhov Zoo Tshaj Plaws
Thick, Durable Zaj duab xis: Zaj duab xis tuab feem ntau yog li ntawm 40-100 μm, tuab dua li electroplating (5-20 μm), muab kev cuam tshuam zoo dua thiab khawb tsis kam.
Ib puag ncig phooj ywg: Tsis muaj volatile organic compounds (VOCs) tso tawm thaum lub sij hawm thov, ua raws li cov kev cai ib puag ncig nruj (xws li, EPA cov qauv).
Xim Customization: Muaj nyob rau hauv yuav luag txhua yam xim, kev ntxhib los mos (matte, gloss, textured), thiab tiav (hlau, pearlescent), ua rau nws zoo tagnrho rau hom -kev zoo nkauj tshwj xeeb.
Kev txiav txim siab
Thaum tshav kub kub rhiab heev: Kho qhov kub thiab txias (160{1}}200 degree) tuaj yeem ua rau muaj kev sib tsoo hauv nyias- cov khoom siv zinc alloy, yog li peb pom zoo kom cov phab ntsa thickness ntau dua los yog sib npaug li 1.5mm rau cov hmoov txheej.
Ua ntej-Kev kho mob tseem ceeb: Zoo degreasing thiab phosphating (los yog chromate hloov dua siab tshiab) yog qhov tseem ceeb los xyuas kom meej hmoov adhesion. Peb cov txheej txheem ua ntej- kev kho mob suav nrog 6 theem ntawm kev ntxuav, uas txhim kho cov txheej txheej adhesion zog rau 5B (ib ASTM D3359).
Daim ntawv thov
Cov khoom siv sab nraum zoov (xws li, laj kab qhov rooj, qhov rooj kov)
Automotive sab nrauv Cheebtsam
Industrial khoom vaj tse
Passivation
Nws yog dab tsi
Passivation yog cov tshuaj kho mob uas tsim cov txheej nyias nyias, tiv thaiv oxide txheej ntawm zinc alloy nto, tiv thaiv kev sib cuag nrog oxygen thiab ya raws. Nws feem ntau yog siv ua ntej -kev kho mob ua ntej lwm cov txheej txheem lossis raws li tus nqi qis - tus nqi ib leeg rau cov khoom uas tsis tshua muaj corrosion.
Hom thiab Kev Ua Haujlwm
Chromate Passivation: Traditional hexavalent chromate muaj kev tiv thaiv corrosion zoo heev (txog 72 xuab moos ntsev tshuaj tiv thaiv), tab sis raug txwv los ntawm ib puag ncig kev cai.
Trivalent Chromate Passivation: Eco-tus phooj ywg lwm txoj hauv kev, muab 24-48 xuab moos ntsev tsuag tshuaj tiv thaiv (ISO 9227) thaum ua tau raws li RoHS thiab REACH cov qauv.
Phosphate Passivation: Ua ib txheej ntxeem tau uas txhim kho cov xim / hmoov txheej adhesion, feem ntau yog siv ua ntej - cov kauj ruam kho.
Nqi thiab Efficiency
Passivation yog ib qho ntawm cov nqi ntau tshaj -cov kev kho mob zoo, nrog rau cov nqi ua haujlwm tsawg li $0.10-$0.30 ib feem (nyob ntawm qhov loj) thiab cov sij hawm txhuas luv li 24 teev.
Daim ntawv thov
Tsawg- cov khoom siv kho vajtse raug nqi tsawg
Sab hauv qhov chaw uas tsis muaj kev cuam tshuam ncaj qha rau ib puag ncig
Ua ntej-kev kho mob rau cov txheej tom ntej
Anodizing
Cov Lus Cim Tseem Ceeb rau Zinc Alloys
Tsis zoo li aluminium alloys, zinc alloy anodizing tsis tshua muaj tab sis ua tau nrog cov txheej txheem tshwj xeeb. Nws tsim ib qho nyuaj, ntxeem tau oxide txheej uas tuaj yeem dyed rau xim customization.
Cov txiaj ntsig thiab kev txwv
Hardness: Anodized txheej muaj hardness ntawm 200-300 HV, txhim kho hnav tsis kam.
Kev txwv: Zaj duab xis tuab yog txwv (5-15 μm), thiab cov txheej txheem yuav tsum muaj kev tswj xyuas kom tsis txhob pitting lossis discoloration. Nws tsis pom zoo rau cov khoom uas yuav tsum tau ua kom nruj me ntsis, raws li oxide txheej ntxiv 1-3 μm rau saum npoo.
Daim ntawv thov
Cov khoom siv kho kom zoo nkauj xav tau cov xim tshwj xeeb (xws li, khoom plig, khoom siv zam)
Tsawg- hnav, tsis yog- qhov tseem ceeb
Mechanical Finishing
1 Sandblasting
Txheej txheem: Siv siab -pressure abrasive media (iav hlaws, aluminium oxide) los tsim ib qho matte los yog textured nto.
Cov txiaj ntsig: Tshem tawm cov cam khwb cia, nplai, thiab qhov chaw tsis xws luag; txhim kho txheej adhesion.
Kev txiav txim siab: Kev xaiv xov xwm yog qhov tseem ceeb- iav hlaws dai ua kom tiav matte tiav, thaum aluminium oxide tsim ib qho kev ntxhib los mos. Tshaj -blasting tuaj yeem ua rau qhov sib txawv ntawm qhov sib txawv hauv nyias- cov phab ntsa.
2 Tumbling / chim Polishing
Txheej txheem: Cov khoom yog muab tso rau hauv ib lub thoob rotating nrog abrasive media thiab compounds rau deburr, du, thiab burnish nto.
Kev ua tau zoo: Zoo tagnrho rau siab - ntim, me me (piv txwv li, fasteners, me me hardware). Muaj peev xwm ua tau 500-1000 qhov chaw ib pob nrog cov txiaj ntsig zoo ib yam.
Kev txwv: Tsis haum rau cov geometries nyuaj los yog qhov chaw nrog nruj tolerances, raws li cov xov xwm tuaj yeem nkag mus rau hauv qhov muag tsis pom kev lossis qhov crevices.
Yuav ua li cas xaiv txoj kev kho mob rau koj cov zinc alloy qhov chaw?
Kev kho saum npoo zoo tshaj plaws nyob ntawm plaub yam tseem ceeb. Nov yog lub hauv paus tswv yim los coj koj qhov kev txiav txim siab:
| Qhov xwm txheej | Cov ntsiab lus tseem ceeb | Pom zoo kho |
|---|---|---|
| Kev thov ib puag ncig | Sab hauv vs. raug cov dej noo, tshuaj, los yog ntsev tsuag | Sab nraum zoov: hmoov txheej, chrome plating; Sab hauv: Nickel plating, passivation |
| Kev xav tau kev ua haujlwm | Corrosion tsis kam, hnav tsis kam, hluav taws xob conductivity | Siab corrosion: Nickel{0}}chrome plating; High conductivity: nyiaj plating; High hnav: Hard chrome plating |
| Aesthetic Xav Tau | Gloss, xim, kev ntxhib los mos (matte / metallic / pearlescent) | Daim iav tiav: Electropolishing + chrome plating; Kev cai xim: hmoov txheej; Tsawg-gloss: Matte nickel plating |
| Nqi thiab Lub Sijhawm Lead | Kev txwv nyiaj txiag, ntim khoom, sijhawm xa khoom | Tsawg- nqi, ceev: Passivation; Siab - ntim, ruaj: hmoov txheej; High-precision, luv luv txhuas: Electropolishing |
Tseem ceeb yuam kev kom zam
Tsis quav ntsej ua ntej-Kev kho mob: Kev degreasing tsis zoo lossis kev npaj saum npoo yog # 1 ua rau txheej txheej tsis ua haujlwm, suav txog 60% ntawm kev kho deg tsis xws luag (raws li AESF cov ntaub ntawv kev lag luam).
Tshaj -Specification Requirements: Xaiv tus nqi siab -kev kho mob (piv txwv li, kub plating) rau cov khoom uas tsis tshua muaj- kev ua tau zoo xav tau nkim mus txog 80% ntawm koj cov peev txheej txheej.
Neglecting Compatibility: Qee qhov kev kho mob (xws li, anodizing) tuaj yeem hnov mob nrog zinc alloys yog tias tsis tswj kom zoo, ua rau pitting lossis discoloration.
Peb Zinc Alloy Surface Treatment Capabilities
NtawmSHENZHEN BSH PRECISION DIE-CASTING PRODUCTS CO., LTD., peb muab tag nrho cov kev pabcuam saum npoo av rau zinc alloy tuag casting qhov chaw, nrog kev tswj xyuas nruj kom ntseeg tau tias koj cov khoom ua tau raws li kev ua tau zoo, zoo nkauj, thiab kev tswj hwm.
Peb Qhov Zoo Tshaj Plaws
Ua raws li cov qauv thoob ntiaj teb: Txhua yam kev kho mob raws li RoHS, REACH, thiab ISO 9001: 2015 tus qauv. Peb muab cov ntaub ntawv xeem cov ntaub ntawv (MTRs) thiab cov ntawv pov thawj tshuaj ntsev ntsev (ISO 9227) rau txhua pawg.
Hauv -House Testing Lab: Peb lub chaw muaj xws li cov tshuaj tsuag ntsev chamber (txog 1000 teev), qhov roughness tester, thiab txheej thickness ntsuas los xyuas qhov ua tau zoo ua ntej xa khoom.
Ib -Stop Solution: Los ntawm kev tuag casting mus rau saum npoo kev kho mob, CNC machining, thiab sib dhos, peb lis tag nrho cov txheej txheem ntau lawm kom ntseeg tau tias sib xws thiab txo cov sij hawm txhuas.
Kev them nyiaj yug Customization: Peb pab neeg ua haujlwm engineering ua haujlwm nrog koj los xaiv qhov kev kho kom zoo raws li koj qhov kev tsim, daim ntawv thov, thiab pob nyiaj siv. Peb muab cov qauv kuaj dawb los kuaj xyuas qhov ua tau zoo ua ntej ntau lawm.
