Dab tsi yog hom polishing paste rau hluav taws xob cua sov raj

Dab tsi yog hom polishing paste rau hluav taws xob cua sov raj

85. Dab tsi yog polishing?

Teb: Polishing yog txheej txheem txheej txheem uas lub log polishing thiab polishing muab tshuaj txhuam ua los ntawm cov ntaub ntawv softer (xws li ntaub, linen, txhob lo lo ntxhuav, thiab lwm yam) yog stacked ua ke kom tiaj tus nto ntawm ib feem. Polishing yog siv rau kev ua ntej ntawm cov khoom ua ntej plating, txhawm rau txhim kho qhov tsis sib xws me ntsis ntawm cov khoom nto, yog li txhim kho qhov smoothness ntawm cov khoom. Nws kuj tseem tuaj yeem siv rau kev ua tiav ntawm cov txheej txheem tom qab plating, kom ua tiav cov duab zoo nkauj ntawm txheej txheej thiab txhim kho corrosion kuj ntawm qhov chaw. Thaum lub sij hawm polishing txheej txheem ntawm ib feem, cov hlau nto yog leveled, tab sis tsis muaj qhov pom tseeb cov khoom poob. Piv txwv li, thaum ib feem yog polished tom qab plating, qhov poob tsuas yog 5-20 feem pua ​​​​ntawm qhov hnyav ntawm txheej. Polishing log muaj xws li daim ntaub log thiab cov log muaj zog. Qhov luaj li cas ntawm lub log nyob ntawm cov yam ntxwv thiab cov kev xav tau ntawm cov khoom tsim khoom. Lub voj voog nrawm ntawm lub log polishing feem ntau yog 20-35 meters ib ob.

86. Dab tsi yog hom polishing paste? Yuav ua li cas xaiv qhov tsim nyog polishing paste?

Teb: Thaum lub sij hawm kev sib hloov ntawm lub log polishing, thov ib txheej nyias ntawm polishing muab tshuaj txhuam tusyees rau ntawm qhov chaw ntawm polishing log kom tshem tawm me ntsis unevenness ntawm cov khoom nto. Polishing muab tshuaj txhuam yog ua los ntawm cov ntaub ntawv polishing (xws li diatomite, quartz xuab zeb, pumice, hlau lead, Vienna txiv qaub, chromium oxide, thiab lwm yam) thiab qee cov binders (xws li stearic acid, paraffin, thiab lwm yam) ua ke hauv daim ntawv ntawm cov tshuaj pleev. Polishing paste feem ntau muab faib ua peb hom: dawb, liab, thiab ntsuab. Nyob ntawm cov khoom ntawm cov khoom polishing, cov khoom sib txawv polishing yuav tsum raug xaiv. Dawb polishing muab tshuaj txhuam - yog tsim los ntawm anhydrous thiab high-purity calcium oxide, ib tug me me ntawm magnesium oxide, thiab ib co binders. Haum rau polishing softer hlau xws li txhuas, tooj liab, thiab lawv cov alloys, nrog rau polishing yas. Liab polishing muab tshuaj txhuam - Nws yog tsim los ntawm hlau oxide liab (Fe2O3) hmoov thiab ib co binders. Fe2O3 muaj nruab nrab hardness, yog li nws yog haum rau polishing steel khoom thiab polishing tom qab sib tsoo. Ntsuab polishing muab tshuaj txhuam - nws cov abrasive yog chromium oxide, uas yog ib qho nyuaj thiab ntse hmoov haum rau polishing nyuaj alloy steel, chromium txheej, thiab stainless hlau.

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