Bambancin da ke tsakanin zafi mai zafi da mirgina sanyi shine galibi yanayin yanayin mirgina. "Cold" yana nufin yanayin zafi na al'ada, kuma "zafi" yana nufin yawan zafin jiki. Daga ra'ayi na ƙarfe, iyaka tsakanin mirgina sanyi da zafi mai zafi ya kamata a bambanta ta zazzabi recrystallization. Wato mirginawar da ke ƙasa da zafin jiki na recrystallization yana jujjuyawar sanyi, kuma jujjuyawa sama da zazzabi na recrystallization yana jujjuyawa mai zafi. The recrystalization zafin jiki na karfe ne 450-600 ℃.
Mai zuwa shine bayyani na amsoshin tambayoyin game da [Bambanci tsakanin zazzafan mirgina da sanyi]:
Bambanci tsakanin mirgina sanyi da zafi mai zafi shine galibi yanayin yanayin mirgina. "Cold" yana nufin yanayin zafi na al'ada, kuma "zafi" yana nufin yawan zafin jiki. Daga ra'ayi na ƙarfe, iyaka tsakanin mirgina sanyi da zafi mai zafi ya kamata a bambanta ta zazzabi recrystallization. Wato mirginawar da ke ƙasa da zafin jiki na recrystallization yana jujjuyawar sanyi, kuma jujjuyawa sama da zazzabi na recrystallization yana jujjuyawa mai zafi. The recrystalization zafin jiki na karfe ne 450-600 ℃
Juyawa mai zafi da mirgina sanyi sune matakai na samar da faranti na ƙarfe ko bayanan martaba, waɗanda ke da tasiri mai girma akan tsari da kaddarorin ƙarfe. Juyin karfe ya fi yin birgima mai zafi, kuma ana yin mirgina sanyi ne kawai don samar da ƙaramin sashi na karfe da farantin karfe. Ingots ko billet suna da wahalar lalacewa da sarrafa su a cikin ɗaki. Gabaɗaya, suna mai zafi zuwa 1100-1250 ℃ don mirgina. Ana kiran wannan tsarin birgima mai zafi. Ƙarshen zafin jiki na zafi mai zafi shine gabaɗaya 800-900 ℃, sannan kuma ana sanyaya shi gabaɗaya a cikin iska, don haka yanayin mirgina mai zafi yayi daidai da daidaita jiyya. Yawancin karfe ana mirgina da zafi mai zafi. Cold mirgina yana nufin hanyar mirgina na fitar da karfe da canza siffar karfe tare da matsi na rolls a dakin da zafin jiki. Duk da cewa tsarin sarrafa shi ma zai sa farantin karfe ya yi dumi, har yanzu ana kiransa da sanyi.
Wannan daftarin aiki ƙayyadaddun yanayin isar da fasaha don babban ƙarfi da yanayin juriya na lantarki waldawa da ƙwanƙwasa baka welded sanyi kafa ƙarfe tsarin fakewa sassa na madauwari, murabba'i, rectangular ko elliptical siffofin da kafa sanyi ba tare da m zafi magani wanin zafi magani na weld line. . NOTE 1 Abubuwan buƙatun don haƙuri, girma da kaddarorin sashe ana iya samun su a cikin EN 10219 10210 3: Kaddarorin sassan murabba'i da sassan ramuka na rectangular a cikin EN 10219 2 EN 10210 2 ba daidai ba ne. NOTE 3 An ƙayyade kewayon matakan ƙarfe a cikin wannan takaddar kuma mai amfani zai iya zaɓar matakin mafi dacewa ga yanayin amfani da aka yi niyya. Maki da kaddarorin inji, amma ba yanayin samar da sanyi na sassan da aka kafa ba gabaɗaya suna daidai da waɗanda ke cikin EN 10025 3, EN 10025 4, EN 10025 5, EN 10025 6, EN 10149 2 da EN 10149 3.
TS EN 10210-3-2020
Hot ƙãre karfe tsarin m sassan- Kashi na 3: Yanayin isar da fasaha don ƙarfin ƙarfi da ƙarfe mai jure yanayi
Wannan daftarin aiki yana ƙayyadaddun yanayin isar da fasaha don babban ƙarfi da juriyar yanayin zafi mai ƙarewa maras sumul, waldar lantarki da nutsar da baka mai waldadden ƙarfe tsarin sassa na madauwari, murabba'i, rectangular ko elliptical siffofin. Ya shafi ɓangarorin da aka samar da zafi, tare da ko ba tare da maganin zafi na gaba ba, ko ƙirƙirar sanyi tare da jiyya mai zafi sama da 580 °C don samun daidaitattun kaddarorin inji ga waɗanda aka samu a cikin samfur mai zafi. NOTE 1 Abubuwan buƙatun don juriya, girma da kaddarorin sashe an ƙayyade su a cikin EN 10210-2. NOTE 2 An jawo hankalin masu amfani zuwa gaskiyar cewa yayin da sanyi ya kafa maki a cikin EN 10219-3 na iya samun daidaitattun kaddarorin injin zuwa matakan da aka gama zafi a cikin wannan takaddar kayan yanki na murabba'i da sassan ramukan murabba'i a cikin EN 10210-2 da EN 10210-2 10219-2 ba daidai ba ne. NOTE 3 An ƙayyade kewayon maki a cikin wannan takaddar kuma mai amfani zai iya zaɓar maki mafi dacewa ga yanayin amfani da aka yi niyya. Maki da kaddarorin inji na ɓangarorin da suka ƙare gabaɗaya sun yi daidai da waɗanda ke cikin EN 10025-4, EN 10025-5 da EN 10025-6. NOTE 4 Abubuwan buƙatun don sassan sassa na ƙirar ƙarfe mara ƙarfi da welded don amfani a cikin sassan teku an rufe su a cikin jerin EN 10225. NOTE 5 Za a yi amfani da sassan ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyen ɓoyayyiyar aikace-aikacen da ke da ƙarfi (dangin gajiya) kamar yadda, har ya zuwa yanzu, babu isassun bayanai game da ayyukansu.
Gabatar da faffadan aikace-aikacen bututu mai siffar sanyi mai kafa
A cikin gine-ginen masana'antu da na farar hula na kasar Sin, an shafe shekaru da yawa ana amfani da simintin da aka karfafa
Dogon zagayowar da kuma gurɓatacce mai nauyi. A cikin 'yan shekarun nan, tare da nasarar zafi birgimaH-bamsamfuran Ma Karfe da Lai Karfe
Bisa ga gabatarwar kasuwa, aikace-aikacen tsarin karfe a cikin masana'antar gine-gine yana fadadawa. An gabatar da gine-ginen gwaji daban-daban na tsarin karfe, gidaje samfuri da gine-ginen tarihi daya bayan daya. Hakanan ma'auni da ƙayyadaddun ƙira da gini sun fara shiga matakin haɓakawa a hankali. Masana'antun sarrafa karafa na kasar Sin sun samu babban ci gaba a cikin 'yan shekarun nan.
Duk da haka, a halin yanzu, ana amfani da gine-ginen ƙarfe na kasar Sin don yin birgima mai zafi mai siffar H da nau'i-nau'i daban-daban na welded. Ƙarfe mai nau'i-nau'i mai zafi a kasar Sin ya kai tan miliyan 3, kuma samfurin welded karfe mai siffar H da nau'i-nau'i daban-daban yana da tan dubu ɗari. Abubuwan da ake fitar da bututun welded a kasar Sin ya kai ton miliyan 7 a shekara, wanda ake fitar da shimurabba'i mai sanyi da bututun rectangularkuma nau'ikan nau'ikan nau'ikan nau'ikan sanyi don gina ginin ƙarfe bai kai kashi 5% na jimlar adadin ƙarfe mai sanyi ba. Aikace-aikacen karfe mai sanyi a cikin masana'antu da gine-ginen gine-ginen gine-gine a kasar Sin yana a matakin farko. Tsarin murabba'i mai murabba'i mai murabba'i da tsarin rectangular welded bututu ya fara maye gurbin karfe mai siffa H mai zafi a matsayin ginshiƙin tsarin ƙarfe. Sauran karfen da aka yi sanyi ba a yin amfani da su a masana'antar gine-gine.
yuantai karfe m sashi na crane,yuantai m sashe mara kyau,yuantai square m sashe
A halin yanzu, ma'aikatar gine-gine ta gina wasu gine-ginen gwajin tsarin karafa a gine-ginen masana'antu da na farar hula, kamar
An gina gidaje biyu na ma'aikatar gine-gine a Tianjin a shekarar 2002. An yi amfani da bututun ƙarfe a wannan aikin.
Kankare shafi karfe katako firam karfe ƙarfafa kankare core tube (SRC) tsarin tsarin, jimlar aikin yanki
8000m2, babban jiki yana da benaye goma sha ɗaya, ginshiƙi ɗaya an yi shi da bututu mai zagaye, ɗayan kuma an yi shi da bututun ƙarfe mai murabba'i.
350x350mm, kauri ya bambanta da bene, wanda 1 ~ 3 benaye ne 16mm, 4 ~
14mm na bene na 6, 12mm na 7th zuwa 9th bene, 10mm don bene na 10 zuwa 11, a zuba a cikin bututun ƙarfe.
C40 kankare.
An yi katako na welded I-beam tare da ƙayyadaddun 350x200x10x18mm, da slab ɗin bene.
Katafaren gini ne wanda aka riga aka danne shi tare da ƙarfafa haƙarƙari mai ƙarfi mai ƙarfi. A wancan lokacin, babu wani masana'anta a kasar Sin da ya samar da bututu mai murabba'i masu girman diamita irin wannan, don haka an yi amfani da bututun karfe mai murabba'in wajen aikin, wadanda suke da ginshikan BOX mai faranti hudu.
The karfe tsarin nuni gidaje aikin na Ma'aikatar Gina Tianjin Yuantai Derun Karfe Bututu Manufacturing Group Co., Ltd. tã biyu wahayi daga aikace-aikace na sanyi-kafa sashe karfe (yafi rectangular tube) a karfe tsarin gidaje:
Na farko, sararin kasuwa don manyan bututu masu ƙirar sanyi masu girman gaske yana da girma, kuma madaidaicin adadin benaye don mazaunin tsarin ƙarfe shine
Tare da 10 ~ 18 benaye, irin wannan tsaka-tsaki da tsayin daka kuma suna da wasu buƙatu don ƙayyadaddun bututun rectangular masu sanyi.
Na biyu, square karfe bututu da fili abũbuwan amfãni a kan zagaye karfe bututu saboda uku dalilai:
Na farko, bututu masu murabba'i da zagaye masu tsayin gefe guda da diamita suna da mafi kyawun iya ɗaukar nauyi da aikin girgizar ƙasa
Yayi kyau. Bisa ga gwajin da wata jami'a a Tianjin ta gudanar a kan wani katafaren bututu mai nisa guda biyu da madauwari mai da'ira.
Tsawon gefen bututun ginshiƙi shine 150mm, kuma diamita na bututun zagaye shine 150mm. Sakamakon gwajin ya nuna cewa tsohon yana da juriya ga haɓakar ƙarfi ta gefe
Ƙarfin lodi da ƙarfin ɗauka na ƙarshe shine 80% mafi girma fiye da na ƙarshe, kuma ma'aunin aikin girgizar ƙasa shine kusan sau biyu na ƙarshen;
Na biyu, murabba'in ginin bututu ya fi dacewa. A kankare shafi na karfe tsarin zama yana bukatar kara
Don gini, an canza sashin zagaye zuwa sashin murabba'i;
Na uku, yana da wuya a magance haɗin kai tsakanin ginshiƙan kankare madauwari da katako. Future karfe tsarin a kasar Sin
A cikin kasuwa, murabba'in murabba'in sanyi da bututun rectangular za su sami rabo mai mahimmanci.
A surface zafi jiyya na karfe bututu iya muhimmanci inganta gajiya iyaka na samfurin workpiece. Misali, fasahar sarrafa asali ta mota rabin axle da aka yi da karfe ita ce maganin zafi na yau da kullun, kuma rayuwar sabis ɗin ta ya ƙaru da kusan sau 20 ta hanyar canzawa daga maganin zafin sama zuwa magani mai zafi. Bugu da kari, saman zafi magani rage vacance ji na ƙwarai daga sassa. Manufar maganin zafin jiki shine don inganta halayen samfurori. Ana amfani da shi sosai a fannoni daban-daban, wanda ke da alaƙa da alaƙa da halayen duka biyun.
Lokacin aikawa: Dec-21-2022
