Txheem rau Kev Tshawb Fawb Kev Tshawb Fawb ntawm Electroplated Qhov Chaw Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob

Txheem rau Kev Tshawb Fawb Kev Tshawb Fawb ntawm Electroplated Qhov Chaw Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob

1. Scope

Cov txheej txheem no qhia txog qhov chaw zoning, qhov yuav tsum tau ua kom zoo, degradation lees txais cov qauv thiab kev tshuaj xyuas cov khoom siv electroplating. Cov qauv no muaj feem xyuam rau qhov kev tshuaj ntsuam xyuas qhov zoo ntawm cov khoom siv electroplating.

2. Nto zoning

Tom qab kev teeb tsa, paub qhov txawv ntawm qhov chaw nthuav dav, qhov chaw sab nraud, thiab qhov tsis pom ntawm cov khoom raws li tib neeg txoj kev pom.

Qhov ua rau ntawm qhov yuam kev

① Lub ci nickel txheej nws tus kheej muaj kev ua haujlwm tsis zoo chrome plating, ntawm cov khoom siv rau ci npib tsib xee plating muaj kev cuam tshuam rau chrome plating kev ua tau zoo ntawm cov nickel txheej. Yog hais tias qhov kev ua tau zoo ntawm cov xim npib tsib xee plating yog qhov tsis zoo, nws yuav ua rau cov khoom seem seem ntawm qhov chaw tsis huv, thiab chrome txheej ntawm cov khoom yuav tsis muaj xim tom qab chrome plating.

② Lub passivation ntawm npib tsib xee plating txheej ua ntej chrome plating yog tshwm sim los ntawm lub sij hawm ntev tu tom qab npib tsib xee plating, uas ua rau lub passivation ntawm npib tsib xee plating nto.

Cov txheej txheem los daws cov kev ua tsis zoo no suav nrog: xaiv cov xim npib tsib xee ntxiv nrog cov khoom zoo chrome; Ntxiv electroplating matte npib tsib xee lossis cuam tshuam npib tsib xee tom qab ci npib tsib xee plating (tsis ntxiv cov tshuaj pleev xim rau hauv cov tshuaj npib tsib xee plating, lub sij hawm electroplating tuaj yeem tswj tau kom tsis txhob cuam tshuam qhov ci ci ntawm npib tsib xee), matte nickel muaj kev tu zoo thiab chrome txheej vim tsis muaj additives; Ntxiv cov txheej txheem ntxuav tom qab ci nickel kom huv si; Nyob rau tib lub sijhawm, them sai sai rau kev ua kom luv lub sijhawm tu kom tsis txhob muaj cov txheej txheem nickel passivation; Ntxiv nickel activation ib ntus kom qhib cov nickel txheej ua ntej chromium plating tuaj yeem ua tiav los ntawm kev ua kom muaj tshuaj lom neeg thiab electrochemical.

Tsis tas li ntawd, nws yuav tsum tau muab sau tseg tias lub sij hawm nyob ntawm txhua qhov nyob rau hauv lub electroplating tsis siv neeg kab tsis tuaj yeem hloov kho, uas yuav ua rau cov khoom nyob hauv dej ntev ntev tom qab electroplating ci npib tsib xee, ua rau muaj teeb meem ntawm qhov chaw tawg tom qab passivation. ntawm nickel txheej thiab chromium txheej. 0.59/L-l9/L NaHC03 tuaj yeem muab ntxiv rau hauv lub tank dej nrog lub sijhawm nyob ntev dua kom tsis txhob muaj nickel nto passivation.

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