Surley ndi gulu laPretreatment ndi electrophoresis njira Nthambi yothirira uvuni njira yotumizira benchi yoyesera yosambira ukadaulo woteteza zachilengedwe Zida malo antchitomasitayilo onse mu sitolo imodzi.
Zida zosiyanasiyana ndi mankhwala awo pokonza, zoyendetsa, zosungirako, pamwamba pake zimakhala zosavuta kupanga kapena
kumamatira zinthu zakunja, monga machining burr, khungu la oxide, mafuta, ndi zina zotero, zonyansa zapamtundazi zidzakhudza kuphatikizika kwa zokutira ndi mphamvu yomangirira ndi matrix. Kupaka koyambirira kwa chinthu chachikulu Cholinga ndikuchotsa zinthuzi ndikuchita kutembenuka koyenera kwa mankhwala kuti apereke zoyenera Kupaka kwa gawo lapansi, kuti awonjezere kumamatira kwa filimuyo, kutalikitsa moyo wautumiki wa filimuyo, Perekani kusewera kwathunthu kwa zoteteza. zotsatira ndi kukongoletsa zotsatira ❖ kuyanika.
Choncho, utsi zili pamaso processing. Zimaphatikizapo mbali zotsatirazi:
filimu ya phosphating inatha kupereka maziko oyenera kwambiri opaka utoto, chifukwa cha zotsatirazi:
1) Amapereka malo oyera, yunifolomu, opanda mafuta pamaziko a degreasing kwathunthu
2) kumawonjezera kumamatira a organic filimu ku gawo lapansi chifukwa cha thupi ndi mankhwala kanthu N'kovuta kumvetsa kuti porous dongosolo phosphating filimu kumawonjezera pamwamba pa gawo lapansi, kotero kuti kugwirizana chigawo pakati pa awiri ukuwonjezeka molingana, ndi kupindula kopindulitsa pakati pa zigawo ziwiri za filimu kumapangidwa. Nthawi yomweyo, kuyanjana kwamankhwala pakati pa unsaturated resin ndi phosphate crystal kumapangitsanso mphamvu yake yomanga.
3) kupereka khola sanali conductive kudzipatula wosanjikiza, kamodzi ❖ kuyanika kuwonongeka, ali ndi udindo wa dzimbiri chopinga, makamaka kwa anode incision Mfundo yoyamba nthawi zambiri kunyalanyazidwa Only kuti kwathunthu kwa mafuta abwino kwambiri kupanga phosphating wokhutiritsa filimu Choncho. filimu ya phosphating yokha ndiyomwe imakhala yodziwika bwino kwambiri yaukadaulo wa pretreatment wodalirika wodzifufuza.