1. Kayan Injini na Bakin Karfe
Abubuwan da ake buƙata na inji ana ba da su a cikin ƙayyadaddun sayan don bakin karfe. Hakanan ana bayar da mafi ƙarancin kaddarorin inji ta ma'auni daban-daban masu dacewa da kayan da sigar samfur. Haɗuwa da waɗannan daidaitattun kaddarorin inji yana nuna cewa an ƙera kayan da kyau zuwa tsarin inganci mai dacewa. Bayan haka injiniyoyi za su iya yin amfani da kayan a cikin ƙarfin gwiwa a cikin sifofin da suka dace da matsi da matsi masu aminci.
Kaddarorin injina da aka kayyade don samfuran birgima yawanci ƙarfi ne, yawan damuwa (ko damuwa mai ƙarfi), haɓakawa da taurin Brinell ko Rockwell. Abubuwan buƙatun kadara don mashaya, bututu, bututu da kayan ɗamara yawanci suna bayyana ƙarfin ɗaure da haifar da damuwa.
2. Samar da Ƙarfin Bakin Karfe
Ba kamar ƙananan karafa ba, ƙarfin yawan amfanin ƙasa na bakin ƙarfe austenitic wanda aka cire yana da ƙarancin ƙarfin juzu'i. Ƙarfin ƙarfe mai laushi yawanci shine 65-70% na ƙarfin ɗaure. Wannan adadi yana kula da zama 40-45% kawai a cikin dangin bakin ciki na austenitic.
Cold aiki da sauri kuma yana ƙara ƙarfin yawan amfanin ƙasa. Wasu nau'ikan bakin karfe, kamar waya mai zafin bazara, na iya yin sanyi aiki don ɗaga ƙarfin amfanin gona zuwa kashi 80-95% na ƙarfin ɗaure.
3. Karfe Bakin Karfe
Haɗuwa da ƙimar ƙarfin aiki mai ƙarfi da haɓaka haɓaka / ductility yana sa bakin karfe mai sauƙin ƙirƙira. Tare da wannan haɗin mallakar, bakin karfe na iya zama mai rauni sosai a cikin ayyuka kamar zane mai zurfi.
Ana auna ƙwanƙwasawa a matsayin % elongation kafin karaya yayin gwajin tensile. Annealed austenitic bakin karfe suna da na musamman high elongations. Alkaluma na yau da kullun sune 60-70%.
4. Taurin Bakin Karfe
Taurin shine juriya ga shiga cikin saman kayan. Masu gwajin taurin kai suna auna zurfin da za a iya tura mai shiga mai wuyar gaske zuwa saman abu. Ana amfani da injunan Brinell, Rockwell da Vickers. Kowannen waɗannan yana da nau'i mai siffa daban-daban da kuma hanyar amfani da ƙarfin da aka sani. Juyawa tsakanin ma'auni daban-daban saboda haka kusani ne kawai.
Martensitic da hazo hardening maki za a iya taurare da zafi magani. Za a iya taurare sauran maki ta hanyar aikin sanyi.
5. Ƙarfin Ƙarfe na Bakin Karfe
Ƙarfin ɗamara gabaɗaya shine kawai kayan inji da ake buƙata don ayyana samfuran mashaya da waya. Za'a iya amfani da maki iri ɗaya na kayan aiki a ƙarfin juzu'i daban-daban don aikace-aikace daban-daban. Ƙarfin da aka kawo na mashaya da samfuran waya kai tsaye yana da alaƙa da amfani na ƙarshe bayan ƙirƙira.
Wayar bazara tana ƙoƙarin samun mafi girman ƙarfi bayan ƙirƙira. Ana ba da ƙarfin ƙarfi ta hanyar aikin sanyi a cikin maɓuɓɓugan da aka naɗe. Idan ba tare da wannan babban ƙarfi ba waya ba zata yi aiki yadda ya kamata a matsayin bazara.
Irin wannan ƙarfin ƙarfi mai ƙarfi ba a buƙata don amfani da waya wajen ƙirƙira ko aikin saƙa. Waya ko sandar da aka yi amfani da ita azaman ɗanyen abu don masu ɗaure, kamar kusoshi da screws, suna buƙatar zama mai laushi isashen kai da zaren da za a yi amma har yanzu suna da ƙarfi don yin aiki daidai a cikin sabis.
Iyalai daban-daban na bakin karfe suna da ƙarfi daban-daban kuma suna samun ƙarfi. Waɗannan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan abubuwan da aka goge an bayyana su a cikin Tebu 1.
Tebur 1. Ƙarfi na yau da kullum don bakin karfe da aka rufe daga iyalai daban-daban
| Ƙarfin Ƙarfi | Ƙarfin Haɓaka | |
| Austenitic | 600 | 250 |
| Duplex | 700 | 450 |
| Ferritic | 500 | 280 |
| Martensitic | 650 | 350 |
| Hazo Hardening | 1100 | 1000 |
6. Halin Jiki na Bakin Karfe
● Juriya na lalata
● Babban juriya da ƙananan zafin jiki
● Sauƙin ƙirƙira
● Ƙarfin Ƙarfi
● Kyawun kyan gani
● Tsafta da sauƙin tsaftacewa
● Tsawon rayuwa
● Maimaituwa
● Ƙarƙashin ƙarfin maganadisu
7. Juriya na Bakin Karfe
Kyakkyawan juriya na lalata siffa ce ta duk bakin karfe. Low alloy maki iya tsayayya da lalata a cikin al'ada yanayi. Alloys mafi girma suna tsayayya da lalata ta yawancin acid, mafita na alkaline da mahallin chloride.
Juriya na lalata bakin karfe shine saboda abun ciki na chromium. Gabaɗaya, bakin karfe ya ƙunshi mafi ƙarancin kusan 10.5% chromium. Chromium a cikin gami yana samar da wani fili mai kariya na oxide mai warkarwa wanda ke haifar da kai a cikin iska. Halin warkar da kai na Layer oxide yana nufin juriyar lalata ta kasance cikakke ba tare da la'akari da hanyoyin ƙirƙira ba. Koda an yanke saman kayan ko aka lalace, zai warke da kansa kuma za a kiyaye juriyar lalata.
8. Tsananin Juriya na Zazzabi
Wasu maki na bakin karfe na iya tsayayya da sikeli kuma suna riƙe ƙarfi mai ƙarfi a yanayin zafi sosai. Sauran maki suna kula da manyan kaddarorin inji a yanayin zafi na cryogenic.
Babban Ƙarfin Bakin Karfe
Za a iya canza ƙirar sassa da hanyoyin ƙirƙira don cin gajiyar aikin taurin bakin karfe wanda ke faruwa a lokacin da ake aikin sanyi. Sakamakon babban ƙarfin da zai iya ba da damar yin amfani da kayan da ya fi dacewa, yana haifar da ƙananan nauyi da farashi.
Jindalai Karfe Group shine jagoran masana'anta & mai fitar da bakin karfe nada / takarda / faranti / tube / bututu. Kasancewa sama da shekaru 20 na ci gaba a kasuwannin duniya kuma a halin yanzu suna da masana'antu 2 tare da ikon samarwa sama da ton 400,000 a shekara. Idan kuna son samun ƙarin bayani game da kayan bakin karfe, maraba don tuntuɓar mu a yau ko neman zance.
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Lokacin aikawa: Dec-19-2022