Lalacewar walda:Weld lahani ne mai tsanani, manual inji nika sarrafa hanyar da ake amfani da su rama, sakamakon nika alamomi, sakamakon m surface, shafi bayyanar.
Filaye mara daidaituwa:kawai pickling da passivation na weld zai haifar da m surface da kuma shafi bayyanar.
Scratches yana da wahalar cirewa:overall pickling passivation, ba za a iya sarrafa a cikin aiwatar da kowane irin scratches cire, kuma ba za a iya cire saboda scratches, waldi splashes da adhesion a saman bakin karfe carbon karfe, splashes da sauran impurities, sakamakon a gaban m lalacewa. kafofin watsa labarai a ƙarƙashin yanayin lalata sinadarai ko lalatawar lantarki da tsatsa.
Rashin daidaituwa polishing da passivation:pickling passivation magani ana da za'ayi bayan manual polishing da polishing. Yana da wuya a cimma daidaito da daidaiton sakamako na jiyya don manyan ƙirƙira, kuma ba za a iya samun ingantaccen yanayin ɗaki ba. Kuma farashin lokutan aiki, kayan taimako ma sun fi girma.

Iyakar zaɓen yana da iyaka:pickling passivation manna ba, ga plasma yankan, harshen wuta da kuma baki oxide, da wuya a cire.
Matsalolin da abubuwan ɗan adam ke haifar sun fi tsanani:a cikin aikin dagawa, sufuri da sarrafa tsari, zazzagewar da ƙwanƙwasa, ja, guduma da sauran abubuwan ɗan adam ke haifarwa sun fi muni, wanda hakan ke sa jiyya a saman ƙasa da wahala, kuma shi ne babban dalilin lalata bayan magani.
Abubuwan kayan aiki: a cikin bayanin martaba, lankwasawa farantin, tsarin lankwasawa, lalacewa ta hanyar kasusuwa da creases kuma shine babban dalilin lalata bayan jiyya.
Wasu dalilai:bakin cikikarfe forgingsa cikin saye, tsarin ajiya, saboda dagawa, tsarin sufuri na kumbura da karce ya fi tsanani, shi ma yana daya daga cikin abubuwan da ke haifar da lalata.