Dab tsi yog Chromate Conversion Txheej / Alodine / Chem Film?
Lub sij hawm nyeem 3 feeb
Taw qhia
Chromate conversion txheej kuj paub li alodine txheej los yog Chem zaj duab xis, nws yog ib hom kev hloov dua siab tshiab txheej siv los passivate aluminium, qee zaum steel, zinc, cadmium, tooj liab, nyiaj, titanium, magnesium, thiab tin alloys kuj siv tau.Cov txheej txheem passivation tsim ib zaj duab xis tiv thaiv ntawm cov khoom, uas tiv thaiv nws los ntawm corrosion.
Tsis zoo li anodizing, chromate hloov dua siab tshiab txheej yog tshuaj hloov pauv txheej.Nyob rau hauv cov tshuaj hloov dua siab tshiab txheej, cov tshuaj tiv thaiv tshwm sim nyob rau saum npoo ntawm cov hlau, thiab cov tshuaj tiv thaiv no hloov cov hlau nto rau hauv cov txheej txheem tiv thaiv.
Cov txheej txheem hloov pauv nws tus kheej tsis yog hluav taws xob ua hluav taws xob, thaum siv raws li Chav Kawm 3 ntawm MIL-DTL-5541 tus qauv.Chav Kawm 3 chemical conversion coatings tiv thaiv corrosion qhov uas tsis tshua muaj hluav taws xob tsis kam.Nyob rau hauv cov ntaub ntawv no, lub txheej nws tus kheej kuj tsis yog-conductive, tab sis vim hais tias cov conversion txheej tau thinner, nws muab ib tug tej theem ntawm hluav taws xob conductivity. tiv tauj peb cov engineersyog xav paub ntxiv txog qhov no.
Chromate coatings yog cov txheej txheem siv dav tshaj plaws rau kev tiv thaiv corrosion ntawm Aluminium thiab Aluminium alloys txo qis oxidation nto.Nws yog feem ntau siv rauib qho undercoat rau xim los yog daim ntaub nplaumvim muaj cov khoom sib txuas zoo heev nws muab.
Chromate conversion coatings feem ntau yog siv rau cov khoom xws li cov ntsia hlau, kho vajtse thiab cov cuab yeej.Lawv feem ntau qhia qhov txawv ntawm iridescent, ntsuab-daj xim rau lwm yam dawb lossis grey hlau.
Hom / qauv thiab specifications
| MIL-C-5541E SPECIFICATIONS | ||
| Chav Kawm Chromate | • Chav Kawm 1A- (Daj) Rau siab tshaj plaws tiv thaiv corrosion, pleev xim rau lossis tsis pleev xim. • Chav Kawm 3- (Ntshiab lossis Daj) Rau kev tiv thaiv corrosion qhov uas tsis muaj hluav taws xob tiv thaiv yuav tsum tau ua. | |
| MIL-DTL-5541F/MIL-DTL-81706B Specifications | ||
| Chav Kawm Chromate * | • Chav Kawm 1A- (Daj) Rau siab tshaj plaws tiv thaiv corrosion, pleev xim rau lossis tsis pleev xim. • Chav Kawm 3- (Ntshiab lossis Daj) Rau kev tiv thaiv corrosion qhov uas tsis muaj hluav taws xob tiv thaiv yuav tsum tau ua. | * Hom I- Cov khoom xyaw uas muaj hexavalent Chromium;Hom II- Cov khoom xyaw uas tsis muaj hexavalent Chromium |
| ASTM B 449-93 (2004) SPECIFICATIONS | ||
| Chav Kawm Chromate | • Chav Kawm 1- Daj rau xim av, Qhov siab tshaj plaws corrosion kuj feem ntau yog siv los ua qhov kawg • Chav Kawm 2- Xim tsis muaj xim rau daj, Tsis tshua muaj corrosion kuj, siv los ua xim puag thiab rau kev sib txuas rau roj hmab • Chav Kawm 3- Tsis muaj xim, Kho kom zoo nkauj, me ntsis corrosion kuj, tsis tshua muaj hluav taws xob tiv taus • Chav Kawm 4- Lub teeb ntsuab mus rau ntsuab, Nruab nrab corrosion kuj, siv los ua xim puag thiab rau kev sib txuas rau roj hmab (tsis ua tiav ntawm AST) | |
| Hluav taws xob tsis kam (Class 3 Coatings) | <5,000 micro ohms ib square inch raws li thov 10,000 micro ohms ib square inch tom qab 168 teev ntawm cov ntsev tsuag raug | |
| Chromate Conversion Txheej Qhov Zoo | Base rau xim, nplaum, thiab hmoov txheej Corrosion Resistance Yooj yim kho Yooj yim Tsawg hluav taws xob tsis kam Yam tsawg kawg nkaus | |
Chromate Conversion Txheej muaj ntau yam txiaj ntsig
Ntxiv nrog rau kev tiv thaiv kev txhim kho corrosion, muaj ntau cov txiaj ntsig zoo rau kev siv tshuaj pleev xim zaj duab xis nrog rau:
- Qhov zoo tshaj plaws primer los pab cov xim, cov nplaum thiab lwm cov organic topcoats ua raws
- Tiv thaiv cov ntiv tes ntawm cov hlau mos
- Daim ntawv thov ceev thiab yooj yim los ntawm immersion, tshuaj tsuag los yog txhuam
- Cov kauj ruam tsawg dua li cov txheej txheem tshuaj lom neeg feem ntau yog li kev lag luam thiab tus nqi qis
- Muab kev ntseeg tau hluav taws xob sib txuas ntawm qhov chaw
- Nyias txheej, yuav luag immeasurable, yog li tsis hloov ib feem qhov ntev
Thaum feem ntau cuam tshuam nrog txheej txheej txhuas, chromate hloov pauv txheej kuj tuaj yeem siv rau cadmium, tooj liab, magnesium, nyiaj, titanium thiab zinc.
Cov kev lag luam twg tuaj yeem tau txais txiaj ntsig los ntawm kev siv tshuaj yeeb yaj kiab txheej?
- Automotive: Kub dab dej, Tsheb log
- Aerospace: Lub dav hlau hulls, Sab thiab torsion struts, Shock absorbers, Landing gear, Parts of the flight control system (rudder system, wing portions, etc.)
- Tsev & Architecture
- Hluav taws xob
- Tubrog nkoj
- Tub Rog & Kev Tiv Thaiv
- Kev tsim khoom
- Kev ua si nawv & Cov khoom siv
Surface finishing tuav functional as well as aesthetic important for industrial parts.Nrog rau kev lag luam nce mus sai sai, cov kev cai kam rau ua tau dhau los ua nruj dua thiab yog li kev ua tiav zoo dua yog xav tau rau cov khoom lag luam siab.Cov khoom uas muaj kev txaus siab zoo li muaj txiaj ntsig zoo hauv kev ua lag luam.Kev zoo nkauj sab nrauv tiav tuaj yeem ua qhov sib txawv loj hauv ib feem ntawm kev ua lag luam.
Prolean Tech cov kev pabcuam ntog tiav muab cov qauv nrog rau qhov nrov nto tiav rau qhov chaw.Peb cov tshuab CNC thiab lwm yam txheej txheem txheej txheej muaj peev xwm ua tiav cov kev ua haujlwm nruj thiab cov khoom zoo, zoo ib yam rau txhua yam ntawm qhov chaw.Tsuas yog upload kojCAD cov ntaub ntawvkom ceev, pub dawb hais thiab kev sab laj txog cov kev pabcuam cuam tshuam.
Lub sij hawm xa tuaj: Plaub Hlis-18-2022