Qhov cuam tshuam ntawm Electroplating Etching Retention Lub Sijhawm ntawm Discoloration ntawm Electroplated Nickel Kub Phaj rau Hluav Taws Xob Hluav Taws Xob

Qhov cuam tshuam ntawm Electroplating Etching Retention Lub Sijhawm ntawm Discoloration ntawm Electroplated Nickel Kub Phaj rau Hluav Taws Xob Hluav Taws Xob

Txhawm rau txheeb xyuas cov txiaj ntsig ntawm etching tuav lub sij hawm ntawm qhov tsis muaj xim ntawm electroplated npib tsib xee kub daim hlau, tsom thwm sim tau ua nyob rau hauv ob lub voj voog, siv tib tus qauv thiab cov lus qhia. Lub etching tau ua tiav nyob rau lub sijhawm sib txawv, thiab kuaj xyuas cov xim ntawm cov xim kub. Cov ntaub ntawv tau txais los ntawm ob qhov kev sim no tau qhia hauv Cov Lus 6 thiab 7.

Qhov kev sim qhia tau hais tias yog tias qhov etching tsis ua tiav nyob rau lub sijhawm thiab lub sijhawm khaws cia ntev dhau los tom qab kub plating, nws tuaj yeem ua rau lub ntsej muag kub. Tom qab kub plating, nws yog feem ntau yuav tsum tau ua kom tiav etching li ntawm 30 feeb. Yog tias sab laug ntev dhau lawm, nws yooj yim ua rau impurities ntawm kub nto thiab discoloration. Tshwj xeeb tshaj yog rau cov laug cam nrog me ntsis loj solder pads, nws yog ib qhov tsim nyog los ntxiv dag zog rau kev tswj lub sij hawm etching tom qab kub plating, thiab tam sim ntawd etch tom qab kub plating.

3.5 Kev xav tau dej zoo

(1) Tom qab tooj liab plating, lub phaj kub-plated yuav tsum tau ntxuav nrog DI dej zoo, thiab cov conductivity yuav tsum zoo dua tswj ntawm 60 μ Hauv qab s.

(2) Tom qab etching thiab ua ntej huab cua kom qhuav, DI dej yuav tsum tau siv los ntxuav. Lub etched pickling tank yuav tsum tau hloov thiab pickled ib zaug ib zaug, raws li cov tooj liab ions nyob rau hauv lub pickling tank cuam tshuam lub discoloration ntawm kub nto.

(3) Thaum lub sij hawm tsim khoom, cov impurities ntau dhau yuav sau rau ntawm daim txhuam cev absorbent ua ntej etching thiab ziab, uas yuav kis kab mob ntawm lub rooj tsavxwm. Thaum lub sij hawm tsim khoom, nws yog ib qho tsim nyog yuav tsum tsis tu ncua ntxuav nws nrog DI dej thiab hloov daim txhuam cev nqus dej txhua 1-2 hli.

Lub sijhawm etching tom qab kub plating thiab txhim kho cov dej zoo tuaj yeem txo qhov tshwm sim ntawm cov khoom txawv teb chaws ion muaj kuab paug rau ntawm pawg thawj coj saib, thiab ua haujlwm zoo hauv kev txhim kho xim.

4. Cov ntsiab lus

Kev tshuaj xyuas ntawm qhov ua tau ntawm kev hloov xim ntawm qhov kub ntawm qhov chaw: (1) Cov porosity ntau dhau ntawm cov nickel txheej los ntawm tooj liab ion tsiv teb tsaws; (2) Nickel nto passivation; (3) Cov khoom txawv teb chaws uas txuas rau saum npoo kub tau dhau los ntawm ion paug.

Kev ntsuas tau raug coj los ntawm tsib yam hauv qab no, thaum kawg ua tiav cov txiaj ntsig zoo thiab txhim kho qhov tsis zoo ntawm kev hloov xim.

(1) Tswj kev ntsuas rau npib tsib xee plating lub tog raj kheej: Tam sim no qhov ntom ntom ntawm nickel plating yuav tsum tsim nyog, thiab kev tshem tawm impurity ntawm electrolytic npib tsib xee lub tog raj kheej yuav tsum muaj qhov ceev tam sim no. Tib lub sijhawm, tom qab npib tsib xee plating, cov txheej txheem kub plating yuav tsum ua kom tiav hauv 0.5h-1h.

(2) Kub-plated lub tog raj kheej tswj ntsuas: 1 pom zoo rau kev pom μ Saib xyuas qhov sib xws ntawm kub plating rau lim cartridges loj m; Siv ib tug tshwj xeeb kub-plated fixture.

(3) Tswj kev ntsuas rau lub tank kho: Cov dej conductivity yuav tsum tsis pub dhau 10 μs. Hloov cov dej rau txhua txoj haujlwm, thiab tib lub sijhawm, tswj cov dej kub hauv lub tank kho ntawm 18 ° ~ 25 ° C.

(4) Etching lub sij hawm tswj: Nws raug pom zoo kom ua kom tiav qhov etching li ntawm ib nrab teev tom qab kub plating.

(5) Cov dej uas yuav tsum tau muaj yog: cov dej hauv lub tank kho yuav tsum tau hloov tas li, tsis tshua muaj conductivity, thiab cov txheej txheem tshwj xeeb kuj yuav tsum tau siv DI dej zoo.

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