Homeliness, Laftaada ayaa sidaas samayn
Qubeyska Galvanic oo gacmihiisa. The dalaka iyo kuleylka ee qubayska galvanic
erayada ay yaqaanaan "dahab qufilan", "lacag-plated", "chrome" ama "nikkel" waxaa horay u istawooday in ereyada nin oo casri ah, iyo iyaga oo ku dhowaad si toos ah gartay. Qofna xataa qaba in Erayadan oo dhan ka dhex dhuumanayay technology ogolaan doonaa in qofka si ay u gaaraan heerka ilbaxnimada casriga ah - electroplating.
Electroplating - waa waxa geedi socodkan?
noocyada dahaadhay
Waxaa jira laba nooc of technology this ayaa si weyn loo isticmaalaa ma aha oo kaliya in ay laamo badan oo warshadaha casriga ah, laakiin sidoo kale guriga. Asal - electroforming - ujeedadiisu tahay in la abuuro nuqul saxda ah ee shayga shubo on dusha bir kuwan. Second, ugu badan oo guriga iyo goobta shaqada, waa in la siiyo khafiif ah - ma sii dhumuc weyn tahay timaha a aadanaha - daahan dusha oo dhan shayga oo waxaa lagu magacaabaa by electroplating.
Waa maxay qubeyska dahaadhay ah?
Tan iyo geedi socodka galvanic dhacaan sabab u electrolysis, dabcan, in xal electrolytic loo isticmaalo iyo qalabka gaar ah si farsamaysan iyo korontada. qubeyska Galvanic - isku dhafan oo ka mid ah dhammaan qaybaha habka, laakiin qaybaha ugu muhiimsan, kuwaas oo kor u baahan yahay, waa xalka (elektrolytka) , iyo awoodda ay u for. Tani waxay si gaar ah muhiim, haddii uu jiro hadal ku saabsan isticmaalka electroplating ama electroforming guriga.
Hababka falanqaynta bad dahaadhay
Thanks to waqti casri ah hawlgalka waxaa jira fursado cusub falanqaynta elektrolytka loo isticmaalo habka electroplating ah. Waxaa lagama maarmaan ah natiijo fiican ka mid ah geeddi-socodka, labis badan oo ka daahan raagaya. Falanqaynta bad electroplating in xaaladaha la joogo lagu qaban karaa iyadoo la isticmaalayo habab kiimikada iyo physico-kiimikada. In kiiska labaad, waxbarashada photometric ah, polarographic, amperometric iyo hababka potentiometric in la siiyo natiijo wanaagsan marka la go'aaminayo Halabuurka ee elektrolytka ah.
Ilaalinta taangiyada galvanic
Mid ka mid ah dhibaatooyinka la xidhiidha geedi socodka electrochemical - waa ilaalinta taangiyada ka saamaynta waxyeello ka mid ah xalka elektrolytka (acid ama alkali) taas oo electrolysis dhacdaa. Haddii qubeyska la sameeyo ee wax dhex-dhexaad ah sida caag ah, wax dhibaato ah ma. Laakiin tani waa suuragal ah keliya in ay dhacdo qiyaasta yaryar. Haddii aan soo qaadanno rakibo warshadaha, warshadaha markaas electroplating weel xal ka samaysan biraha. Xaaladdan oo kale, waxaa loo baahan yahay si ay uga ilaaliyaan:
- taabashada xal bixiya nolol dheer ah,
- daxalka biraha, abuuraa nijaasta aan loo baahnayn in xalka;
- dhalanrog iyo isbedelka duurka korontada.
ilaalinta noocan oo kale ah ku siin karaan electroplating bad lasoo qalab sheet polymeric ay sameeyeen hab of alxanka hawada kulul.
Samaynta bad guriga-dahaadhay
Doonaya in ay leeyihiin meelaha galvanized gurigaaga ama garaashka badan ilaa xad ah. Laakiin waxaa in la xuso in habka tani ma aha ammaan. uumi waxyeello iyo waxyaabaha qarxa, xal xoqe iyo xitaa sun ah, isticmaalka korontada ka dhigaysa adag tahay eegaysana ee badbaadada. Laakiin hawlaha fudud sida dahaadhay naxaas ah, dahaadhay chrome, nickel dahaadhay qubeyska waxyaabaha yar yar waxaa laga qaadan karaa macmalay. Oo xataa haddii ay taasi ku, dhowr shuruudaha muhiim ah waa in la buuxiyaa:
- waayo weelka xal waa in ay ahaadaan adag, kiimikaad ahaan dhexdhexaad ah iyo dielectric;
- baahan yahay hawo,
- joogitaanka of xaddi ku filan oo biyo saafi ah - habka ugu fudud u baahan tahay isticmaalka shan xashiyihii;
- joogitaanka of weelka iyo hab for neutralizing dheecaanka qashinka iyo effluents.
Waxaa hadda weli in la sameeyo in qaybta sare ee markabka by line xadka ayaa for ulood xiriir saddex-dalool. Dhengedihii desirably sameeyey biibiilaha copper ah ee 10-20 mm dhexroor, qaro weyn ooday wanaagsan. plyuschatsya dhamaado ee tuubooyinka oo ay qoday godad in ay ku xidhmaan ulo ka korontada ah. On usha, kaalinta ay weheliyaan geesaha laga lalmiyaa taarikada anode oo ku xiran yihiin il wanaagsan. Ushaada dhexe ayaa qayb ka ganaax, waa cathode ah oo ku xiran in ay hogaanka u xun. hadda
Qorsheyaasha bad electroplating oo macmal ah
qubeyska ugu fudud dahaadhay nidaamka waxaa ka mid ah guud ahaan saddex hawlood: habka dhab mideyso diyaarinta iyo dhameystir. marka hore wuxuu ka kooban yahay in lagu nadiifiyo, maaddooyinka, Iagu iyo fiiriyo shay ama qayb - tababarka. Tallaabada saddexaad waxay u ogolaaneysaa in la keeno mar hore dahaarka leh kula lakabka ah ee biraha nooca item "badeecadaha", by passivation, iyo D. buffing t. hawlgal kasta waa in la joojiyo by lagu dhaqo biyo qabow oo nadiif ah. Oo haddii waxyaabaha ayaa baaraandegi by xal xumadoodu, hubso in aad sameysid dhaqidda,, biyaha kadibna qabow iyo kulayl marka hore.
Shayga, taas oo loo baahan yahay in jaakad, ku xiran qalabka kaari negative (cathode) oo hoos u galay elektrolytka ah. hogaanka wanaagsan ku xiran koronto ah oo daahan a birta (anode), kaas oo sidoo kale ku dhacaa xalka. Electrolysis dhigi anode L (+) iyo biraha shubo on workpiece ah, cathode ah (-).
Qiimaha electroplating wax soo saarka casri ah
qubeyska Galvanic, taas oo nidaamka electroforming ama electroplating ah, qiyaasta ganacsi waa labada ilmo horumarka, iyo ciidan wadista ay. Maxaa yeelay, mahad electroplated blaastiigga hagaagtay sifooyinka iyo qaybo farsamo, waxay yaraysaa kharashka ay-soo-saarka waa la gaari sax ugu sareeya conjugation kor u xirtaan iska caabin ah iyo iska caabin ah daxalka waa sii korodhay.
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