1. Kutenga mimba

Zigawo za zitsulo za ufa zimakhala ndi porous.Kulowetsedwa, komwe kumatchedwanso kulowa, kumaphatikizapo kudzaza ma pores ambiri ndi: pulasitiki, utomoni, mkuwa, mafuta, zinthu zina.Kuyika porous chigawo pansi pa kukanikiza kungayambitse kutayikira, koma ngati mulowetsa gawolo, limakhala lolimba.Zomwe zimagwiritsidwa ntchito poyika gawolo zimadalira zinthu monga mtengo ndi ntchito.Kumizidwa kwamafuta kumathandizira kuti magawo azidzipaka mafuta okha.Chilichonse chimadalira zosowa zanu zapangidwe.

2. Electroplating

Plating ndi njira ina zitsulo zosapanga dzimbiri kwa zokongoletsa kapena ntchito zosowa - kupanga mbali kwambiri zowoneka wokongola ndi kuwongolera dzimbiri kukana etc. Plating kumakupatsani makhalidwe pamene amakulolani "sangweji" zotsika mtengo zipangizo mu gawo loyambirira.

3. Kuwomberedwa

Shot peening ndi njira yolumikizirana yokhazikika yomwe imapangitsa kuti gawolo liziyenda bwino pochotsa ma burrs ndikugwiritsa ntchito kupsinjika kwapamwamba pagawolo.Izi zitha kukhala zopindulitsa pazogwiritsa ntchito kutopa.Kuphulika kwa mchenga kunapanganso matumba ang'onoang'ono omwe amatsekera mafuta pamwamba pa gawolo.Kutopa ming'alu nthawi zambiri kumayamba chifukwa cha zolakwika zapamtunda.Kuwotchera kungathe kuletsa kupangika kwa ming'alu ya pamwamba ndipo kungachedwetse kukula kwa ming'alu yambiri.

4. Chithandizo cha nthunzi

Akagwiritsidwa ntchito pazitsulo zopangidwa ndi chitsulo, mankhwala a nthunzi amapanga wosanjikiza wopyapyala, wolimba wa oxide.Osayidi wosanjikiza sachita dzimbiri;ndi chinthu chomwe chimamamatira kuchitsulo.Chigawo ichi chikhoza kusintha: kukana kwa dzimbiri, kukana kupanikizika, kuuma