Maganin zafin da ba daidai ba na bututun ƙarfe maras nauyi zai iya haifar da jerin matsalolin samarwa cikin sauƙi, wanda ke haifar da lalacewar ingancin samfur sosai kuma ya zama juzu'i.Gujewa kurakurai na yau da kullun yayin maganin zafi yana nufin ceton farashi.Wadanne matsaloli ya kamata mu mayar da hankali kan hanawa yayin aikin maganin zafi?Bari mu dubi matsalolin gama gari a cikin maganin zafi na bututun ƙarfe mara nauyi:
① Tsarin bututun ƙarfe mara izini da aiki: abubuwa guda uku da suka haifar da jiyya mara kyau (T, t, hanyar sanyaya).
Tsarin Wei: Ƙaƙƙarfan hatsi A da aka kafa ta ƙarfe a ƙarƙashin yanayin zafi mai zafi yana samar da tsari wanda ake rarraba flakes F akan P lokacin da aka sanyaya.Tsari ne mai zafi sosai kuma yana cutar da aikin bututun ƙarfe gabaɗaya.Musamman, ƙarfin zafin jiki na al'ada na karfe yana raguwa kuma an ƙara raguwa.
Za'a iya kawar da tsarin W mai sauƙi ta hanyar daidaitawa a yanayin zafi mai dacewa, yayin da za'a iya kawar da tsarin W mai nauyi ta hanyar daidaitawa ta biyu.Zazzabi na yau da kullun na biyu ya fi girma, kuma yanayin yanayin daidaitawa na biyu ya ragu.Sinadaran hatsi.
Jadawalin ma'auni na FC shine muhimmin tushe don tsara zafin zafin jiki don maganin zafi na bututun ƙarfe.Hakanan shine tushen nazarin abun da ke ciki, tsarin metallographic, da kaddarorin lu'ulu'u na FC a cikin ma'auni, zane-zanen zafin jiki na supercooling A (TTT zane) da ci gaba da canza yanayin sanyi na supercooling A. Chart (CCT ginshiƙi) muhimmin tushe ne. don tsara yanayin sanyi don maganin zafi.
② Girman bututun ƙarfe ba su cancanta ba: diamita na waje, ovality, da curvature ba su da haƙuri.
Canje-canje a cikin diamita na waje na bututun ƙarfe yakan faru yayin aikin kashewa, kuma diamita na waje na bututun ƙarfe yana ƙaruwa saboda canjin girma (wanda ya haifar da canje-canjen tsari).Sau da yawa ana ƙara tsarin ƙima bayan tsarin zafin jiki.
Canje-canje a cikin ovality na bututun ƙarfe: Ƙarshen bututun ƙarfe galibi manyan bututun bakin bango ne masu girman diamita.
Karfe bututu lankwasawa: lalacewa ta hanyar m dumama da sanyaya na karfe bututu, za a iya warware ta mike.Don bututun ƙarfe tare da buƙatu na musamman, ya kamata a yi amfani da tsarin daidaitawa mai dumi (kusan 550 ° C).
③ Cracks akan saman bututun ƙarfe: lalacewa ta hanyar dumama zafi ko saurin sanyaya da matsanancin zafin zafi.
Don rage tsagewar maganin zafi a cikin bututun ƙarfe, a gefe guda, tsarin dumama da tsarin sanyaya bututun ƙarfe ya kamata a samar da shi bisa ga nau'in ƙarfe, kuma a zaɓi hanyar da ta dace;a daya bangaren kuma, bututun karfen da aka kashe ya kamata a huce ko kuma a toshe shi da wuri don kawar da damuwa.
④ Scratches ko lalacewa mai wuya a saman bututun ƙarfe: lalacewa ta hanyar zamewar dangi tsakanin bututun ƙarfe da kayan aiki, kayan aiki, da rollers.
⑤The karfe bututu ne oxidized, decarbonized, overheated, ko overburned.Ya haifar da T↑, t↑.
⑥ Surface hadawan abu da iskar shaka bututu na karfe zafi bi da m gas: The dumama makera ba a da kyau shãfe haske da iska shiga cikin tanderun.Abubuwan da ke cikin wutar lantarki gas ba shi da tabbas.Wajibi ne don ƙarfafa ingancin kula da duk wani nau'i na dumama bututu mara kyau (bututun ƙarfe).
Lokacin aikawa: Janairu-15-2024