Share gilashin lebur mai lebur

Gilashin zafin jiki ana yin shi ta hanyar wani tsari da ake kira tempering, wanda ya haɗa da dumama gilashin annealed (na yau da kullun) zuwa babban zafin jiki sannan kuma da sauri sanyaya shi.

Yanke: Mataki na farko a cikin tsari shine yanke gilashin zuwa girman da ake so.
Tsaftacewa: Da zarar gilashin ya yanke, ana tsaftace shi sosai don cire duk wani datti, ƙura, ko gurɓata daga saman.
Dumama: Ana sanya gilashin da aka tsabtace a cikin tanda mai zafi, wanda zai zafi shi zuwa zafin jiki na kusan 620-680 digiri Celsius (1150-1250 Fahrenheit).
Yana kashewa: Bayan gilashin ya kai yanayin zafin da ake so, ana yin sanyi da sauri ta hanyar busa shi da jets na iska mai sanyi ko kuma ta nutsar da shi a cikin wanka na ruwan sanyi ko mai.
Annealing: Da zarar gilashin ya yi zafi, yana yin wani tsari da ake kira annealing don kawar da damuwa na ciki da kuma ƙara ƙarfafa gilashin. Wannan ya haɗa da dumama gilashin zuwa ƙananan zafin jiki sannan kuma a hankali sanyaya shi cikin tsari mai sarrafawa. Annealing yana taimakawa wajen tabbatar da kwanciyar hankali da dorewa na gilashin mai zafi.

Ƙarfi: Gilashin zafin jiki yana da ƙarfi sosai fiye da gilashin yau da kullun na kauri ɗaya. Yana iya jure babban tasirin tasiri kuma ba shi da yuwuwar karyewa akan tasiri. Wannan ya sa ya zama kyakkyawan zaɓi don aikace-aikace inda aminci ke damuwa, kamar a cikin tagogi, kofofi, wuraren shawa, da tagogin mota.
Tsaro: Lokacin da gilashin zafi ya karye, yakan tarwatse zuwa ƙanana, ɓangarorin ɓatanci maimakon kaifi. Wannan yana rage haɗarin rauni daga gefuna masu kaifi, yana sa gilashin zafi ya fi aminci don amfani a cikin mahallin da ke da yuwuwar karyewa.
Juriya mai zafi: Gilashin zafin jiki yana da mafi girman juriya na thermal idan aka kwatanta da gilashin yau da kullun. Yana iya jure canje-canje kwatsam a yanayin zafi, kamar fallasa ga ruwa mai zafi ko sanyi, ba tare da farfashewa ba. Wannan kadarar ta sa ya dace don amfani a cikin ƙofofin tanda, kayan dafa abinci, da allon murhu.
Tsarin sarrafawa: Ana samar da gilashin zafi ta hanyar dumama gilashin annealed (na yau da kullun) zuwa yanayin zafi mai zafi sannan a hanzarta sanyaya shi ta amfani da jiragen sama ko kuma kashe shi a cikin wanka na ruwan sanyi ko mai. Wannan tsari yana haifar da damuwa na ciki a cikin gilashin, yana ba shi ƙarfin halayensa da siffofin tsaro.

Ana amfani da gilashin zafin jiki a aikace-aikace iri-iri, gami da tagogin zama da na kasuwanci, kofofin gilashi, sassan gilashi, wuraren shawa, saman tebur, da tagogin mota. Ƙarfinsa da kaddarorin aminci sun sa ya zama sanannen zaɓi a cikin gine-gine, motoci, da masana'antun lantarki.
Gabaɗaya, gilashin zafin jiki yana ba da ingantaccen ƙarfi, aminci, da juriya mai zafi idan aka kwatanta da gilashin yau da kullun, yana mai da shi kayan aiki mai mahimmanci da amfani da yawa a cikin masana'antu da aikace-aikace daban-daban.

Ma'auni na dubawa don gilashin zafin jiki ya ƙunshi abubuwa masu zuwa:

Matsayin ɓarna: Daban-daban nau'ikan gilashin zafi suna da buƙatu daban-daban don matsayin rarrabuwar su. Alal misali, lokacin da kauri na Class I tempered gilashin shine 4mm, ɗauki samfurori 5 don gwaji, kuma yawan mafi girma a cikin dukkanin samfurori 5 ba zai wuce 15g ba. Lokacin da kauri ya fi girma ko daidai da 5mm, adadin gutsuttsura a kowane samfurin a cikin yanki na 50mm * 50mm dole ne ya wuce 40.

Ƙarfin injina: Ƙarfin injina na gilashin zafi ya haɗa da juriya na matsawa, juriya na lankwasawa da juriya mai tasiri. Akwai hanyoyin dubawa guda uku: Gwajin tensile, gwajin lankwasawa da gwajin tasiri.

Kwanciyar hankali na thermal: Ƙwararriyar zafin jiki na gilashin zafi yana nufin jurewa da iyawar lalacewa a cikin yanayin zafi mai girma. Hanyoyin dubawa sun haɗa da nazarin yanayin zafi daban-daban, gwajin haɓaka zafi, da dai sauransu.

Girma da karkata: Girman gilashin da aka haɗe an yarda da su duka mai kaya da mai siye, kuma ya kamata a yarda da karkatar da tsayin gefensa ya dace da wasu ƙa'idodi.

Ingancin bayyanar: Ingantacciyar sigar gilashin zafin jiki dole ne ya bi wasu ƙa'idodi, gami da amma ba'a iyakance ga diamita na rami ba, ramukan da aka yarda da shi, da sauransu.

Shawarwari na ƙasa da ma'auni na masana'antu don gwajin gilashin zafi sun haɗa da:

GB15763.2-2005 Gilashin aminci don gini Sashe na 2: Gilashin zafin jiki: Wannan ma'aunin yana ƙayyadaddun buƙatu na asali, hanyoyin gwaji da ƙa'idodin dubawa don gilashin aminci don gini.
GB15763.4-2009 Gilashin aminci don gini Sashe na 4: Gilashin mai kama da juna: Wannan ma'aunin yana ƙayyadaddun buƙatu na asali, hanyoyin gwaji da ƙa'idodin dubawa don gilashin da aka yi kama da ginin.
JC / t1006-2018 Globa mai laushi da gilashi mai laushi: Wannan madaidaicin yana ƙayyade buƙatun fasaha, hanyoyin gwaji da gilashin dubawa mai laushi.

Kauri: 3.2mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
Girma: musamman bisa ga bukatun abokin ciniki.