Girman hatsi yana nufin girman hatsi a cikin girman girman hatsi. Ana iya bayyana girman hatsi ta matsakaicin yanki ko matsakaicin diamita na hatsi. Girman hatsi yana bayyana ta hanyar girman hatsi a cikin samar da masana'antu. Girman hatsi gabaɗaya ya fi girma, wato, mafi kyawun mafi kyau. Bisa ga talifi na gaba, ina fata zai iya taimaka maka ka fahimci girman hatsin ƙirƙira. Na yi imani da cewa sun saba da girman hatsi na ƙirƙira, to, dole ne mu sani da yawa game da girman hatsi na ƙirƙira.
Nakasar filastik na jabun jabun yana karya manyan lu'ulu'u na dendritic na farko kuma yana da tasiri mai mahimmanci na tace hatsi. A gefe guda, akwai tsarin recrystallization yayin nakasar filastik a babban zafin jiki. A lokacin babban zafin jiki na lalata filastik, girman hatsi naƙirƙirabayan recrystallization an ƙaddara ta yanayin zafi, digiri na lalacewa da sauri. Saboda haka, da hatsi size ofƙirƙirasamu ta hanyoyi daban-daban na ƙirƙira ya bambanta.
Babban kaddarorin inji na jabu tare da ƙananan hatsi shine cewa filastik da taurin su sun fi ƙasa da waɗanda ke da hatsi mai kyau. Gyara hatsi ta hanyar maganin zafi ba wai kawai aiki ne mai tsada da tsada ba, amma kuma yana da matukar wahala kuma ba zai yiwu ba ga wasu karafa na gami. Saboda haka, mƙirƙiradole ne a yi aiki da tsari na wasu matakan ƙarfe bisa ga zane na recrystallization na aiki mai zafi.
Mafi girma da ƙirƙira zafin jiki, girman girman hatsin ƙirƙira bayan an sake yin recrystallization. Sabili da haka, ya kamata a rage zafin ƙirƙira na ƙarshe har zuwa yadda zai yiwu don tabbatar da tace hatsi a ƙarƙashin yanayin cewa ƙirƙira ba za ta haifar da ƙarancin zafin jiki ba. Koyaya, yana da matukar wahala ga manyan injunan ƙirƙira don tabbatar da ƙarancin ƙarancin ƙirƙira iri ɗaya a duk sassan ƙirƙira iri ɗaya. Ana iya yin hakan ne kawai tare da gogewa da fasaha na ƙwararrun ma'aikata.
A wani takamaimanƙirƙirazafin jiki, akwai kewayon digiri na lalacewa mai mahimmanci. Lokacin da digiri na nakasawa ya kasance a cikin wannan kewayon, recrystallized hatsi na forgingin mun gwada da m. Sabili da haka, matakin nakasawa a lokacin ƙirƙira, musamman a cikin wuta ta ƙarshe, yakamata a guji shi gwargwadon iyawa a cikin mahimmin matakin nakasawa.
Hatsi ba uniform ba yana nufin wasu sassa na ƙirƙira hatsi ne musamman m, wasu sassa ne karami. Babban dalilin rashin daidaituwar girman hatsi shine rashin daidaituwa na billet yana sanya digiri na ɓarkewar hatsi ya bambanta, ko kuma matakin nakasar yanki ya faɗi zuwa wurin nakasa mai mahimmanci, ko aikin gida na taurara na superalloy, ko na gida. m girman hatsi lokacin quenching da dumama. Karfe masu jure zafi da superalloys suna da kulawa musamman ga rashin daidaituwar hatsi. Girman hatsi mara daidaituwa zai rage ƙarfin aiki da gajiyawar ƙirƙira.
Wannan labarin yafi magana game da girman hatsin ƙirƙira. Ina fatan zai taimaka muku.
Lokacin aikawa: Mayu-08-2021