Chophimba cha electrophoreticNdi njira yofanana ndi njira zina zokutira. Zigawo zokutira ziyenera kukonzedwa pamwamba musanaphike. Kukonza pamwamba ndi ntchito yofunika kwambiri yomwe iyenera kuchitika musanaphike. Njira zosiyanasiyana zokutira, zipangizo zosiyanasiyana ndi momwe zilili pamwamba, kotero njira ndi njira zochizira pamwamba sizili zofanana. Sikuti njira zosiyanasiyana zochizira pamwamba ndi khalidwe la mankhwala zimangokhudza kwambiri khalidwe la zokutira, komanso mtengo wochizira pamwamba umakhudza kwambiri. Chifukwa chake, tikamapanga kapangidwe kaukadaulo, tiyenera kusankha njira yokhazikitsira, zinthu ndi momwe zinthu zilili pamwamba pa zigawo zokutira, komanso njira yochizira pamwamba ndi njira yogwirizana kwambiri, zotsatira zabwino zochizira komanso mtengo wotsika.
Chifukwa chiyani electrophoresis imafuna chithandizo chamankhwala?
Mu njira yokonzekera electrophoresis, pali mgwirizano pakati pa kuchotsa mafuta, kuchotsa dzimbiri, phosphorate, kusintha pamwamba ndi njira zina. Tinganene kuti kukonzekera mtsogolo ndikofunikira kwambiri pakuphimba kwa electrophoretic, komwe kumakhudzana ndi kukhazikika kwa bafa la utoto wa electrophoretic pambuyo pa electrophoresis ndi mtundu wa filimu yophimba pamwamba pa workpiece.
Kuti filimu yophimba ya electrophoretic workpiece ikhale yolimba komanso yokana dzimbiri, phosphoring treatment imagwiritsidwa ntchito pokonzekera phosphoring. Phosphating treatment (yomwe imadziwikanso kuti phosphate chemical treatment) ndi ukadaulo wa (phosphating film) womwe umagwiritsa ntchito dissociation (equilibrium) reaction ya phosphoric acid kuti ipangitse mchere wa phosphate metal salts wosasungunuka pamwamba pa zitsulo zotsukidwa (zochotsedwa mafuta). Ntchito ya phosphoring film ndikuwonjezera kulimba ndi kukana dzimbiri kwa filimu yophimba (electrophoretic coating) yomwe imagwiritsidwa ntchito pa iyo.
Ponena za kumatirira, makhiristo a filimu ya phosphide yomwe yapezeka amasungunuka pang'ono pamwamba pa chitsulo, ndipo kumatirira kwa makhiristo ndi kwabwino. Kuphatikiza apo, malo a pamwamba amawonjezeka chifukwa cha kusalingana kwa makhiristo ambiri pamwamba, ndipo kumatirira kwa filimu yomatira kumawonjezeka. Kenako, ndi kumatirira kwa filimu yomatira, kulowerera kwa zinthu zomwe zimapanga dzimbiri kumalepheretsedwa, ndipo kukana dzimbiri kumawonjezeka (makamaka kukulira kwa dzimbiri pansi pa filimu yopaka utoto kumatha kupewedwa).
Chophimbacho chidzatupa ndi dzimbiri pakapita nthawi yochepa popanda phosphorous. Madzi ndi mpweya zomwe zimadutsa mu filimu yophimbazo zimafika pamwamba pa chogwirira ntchito kuti zipange dzimbiri lofiira ndikufukiza filimu ya utoto. Madzi ndi mpweya zomwe zimadutsa mu filimu yophimbazo zimafika pa pepala lachitsulo lopangidwa ndi galvanized kuti zipange dzimbiri loyera, lomwe limayanjananso ndi filimu yophimba kuti zipange sopo wachitsulo. Kangapo kukula, kotero kuti filimu yophimbayo imatupa kwambiri. Filimu ya phosphate ndi filimu yosasungunuka yomwe imapangidwa pamwamba pa chitsulo ndi mankhwala. Chifukwa cha kumatira kwake bwino (kwa thupi) komanso kukhazikika kwa mankhwala, imaonedwa ngati gawo lolimba loteteza dzimbiri.
Kuti mupeze filimu yabwino komanso yokhazikika ya phosphate ndikuwonetsetsa kuti imamatira komanso kuti isagwe, kuyang'anira chithandizo chisanachitike ndikofunikira kwambiri. Nthawi yomweyo, ndikofunikira kumvetsetsa bwino momwe zimachitikira komanso zinthu zomwe zimagwiritsidwa ntchito pochiza phosphate.
Nthawi yotumizira: Julayi-08-2022
