Hanyar samarwa da kuma aiwatar da Ribed Karfe mashaya
Forth dabara:
A cikin kasuwar dawowa na yanzu, asusun HRB400E don ƙarin. Hanyar karfafa hanyar microalloy ita ce babbar hanyar samar da HRB400E a cikin duniya. Yawancin microalloy shine Veralloum Alloy ko niobum sutthoy, wanda ke cin albarkatu da yawa duka albarkatun a kowace shekara. Saboda karancin albarkatun ma'adinai da ke dauke da Vanadium da IOOBIUM, wadatar da waɗannan abubuwan abubuwan ban sha'awa sun m. Sabili da haka, idan alloy abun ciki na HRB400E Karfe mashaya za a iya rage, zai haifar da babbar fa'idodin tattalin arziki da na zamantakewa.
A cikin fasahar da take da ita, layin samar da kayan mirgine ba tare da rage da sized birgima vanad dill gaba da Vanadium shine 0.035%.
Lambar Patent CN10457741A ta bayyana irin nau'in HRB400E na High-Strength mai tsayayya wa murfin ƙarfe-mai tsayayya da hanyar samar da ƙarfe. Ta hanyar hanya, ana samar da samfurin da aka gama ta hanyar rage mirgine, wanda zai iya tabbatar da ƙarshen ramuka na 730 ~ 760 ℃ don samun hatsi mai kyau, wannan hanyar ba ta dace da layin samarwa ba ba tare da rage girman micks ba. Lambar lambobin Pat110184516 ya bayyana shiri na babban waya %Tm ~ hr400 Coiled dunƙule. Tare da taimakon karfi mirgine iko na kayan aiki, low morling yana farawa daga zazzabi mai tsanani, da samarwa ba tare da wani microuloying ya tabbata ba. Rashin kyawun wannan hanyar shine abubuwan da ake buƙata don ƙarfin da aikin motsa jiki na kayan mirgine, wanda ke rage rayuwar gwaji na kayan aiki da ƙara farashin kiyayewa na Kayan aiki, da yawan amfanin ƙasa na babban waya %Tm ~ HRB400E Coil wanda wannan hanyar ita ce ta wannan hanyar ita ce. Rashin isasshen adadi, yana da wuya a bada garantin farashin cancantar aikin.
Abubuwan aiwatar da kayan aiki:
Alamar da ke cikin yanzu tana da niyyar samar da hanyar samar da sandunan karfe mai zafi, musamman hanya don samar da talaucin da aka ambata a sama da rage samarwa da ta gabata da kuma rage samarwa. farashi.
Tsarin fasaha na sabuwar dabara na yanzu:
Hanyar samarwa na Ribbed Karfe Bar, Ribboration na Ribbed Karfe Rolling - Cooling - Koled - sanyaya - sanyaya - Spinning - Air-Cooled Roller Table-Coil tarin-jinkirin mai sanyi; kashi na sinadarai kashi na karfe shine C = 0.20% ~ 0.25%, si = 0.50%, s ≤ 0.40%, s ≤0%, s ≤0%, s ≤0%, pe0%, sauran suna da abubuwan da ba a sani ba. Matakan tsarin da ya hada da: yawan zafin wutar lantarki shine 1070 ~ 117 ℃, yawan mirgine zazzabi shine 840 ~. 880 ℃; kwanciya zazzabi 845 ~ 875 ℃; zazzabi na ƙarshe na zazzabi yana ƙasa da zazzabi mai recrystallization na yankin Austenite; m sanyaya ta hanyar fan akan tebur mai sanyaya-ruwa, faɗakar iska 100%; A zazzabi na murfin shine 640 ~ 660 ℃, yawan zafin jiki na adana shine 600 ~ 65 ~ 65 ℃, kuma lokacin adana kayan zafi shine 45 ~ 55s.
Ka'idar kirkirar: A cikin yawan zafin jiki kewayon 840-880 ℃, hatsi na Austenite sun yi elongated ta hanyar morming nakasassu, amma recrystallization ba ya faruwa. Koyaya, an samar da bangarorin lalata a cikin hatsi na Austenite, kuma ƙarshen bangarorin nakasar galibi suna kan iyakokin hatsi a matsayin iyakokin alkama don raba engenite hatsi. A lokacin canji daga Austenite zuwa Ferrite, duka da enongated yanayin iyakar yanki yana aiki azaman wuraren aikin makamashi bayan canzawa. Low zazzabi mirgine a cikin ƙoshin kare niƙa yana rage nauyin mashin da mickling da kuma injin da suka gabata kuma yana ƙara rayuwar sabis ɗin da aka gama aiki kuma yana ƙara rayuwar sabis ɗin da suka ƙare kuma yana ƙara rayuwar sabis ɗin da suka ƙare kuma yana ƙara rayuwar sabis ɗin da aka gama aiki kuma yana ƙaruwa da rayuwar kayan aiki.
Sakamakon da ake amfani da sabuwar dabara sune kamar haka: Ta ƙara karamin adadin v don microalloye karfin gwiwa shine inganta a lokacin mirgine tsari, kuma kunna aikin karfafa gwiwa . Red mai zafi da aka yi birgima na ƙirƙirar yana da ƙarfin tensile na kimanin 420pta, da agt> 10%, wanda ya tabbatar da isasshen gefe. Thearfin yawan amfanin ƙasa ya tabbata, kuma farashin cancantar aikin ya wuce 99%. Alamar warware matsalar cewa murƙushe mirgine mill yana da wuya a yi ƙarancin zafin jiki, yana rage tsada a kan hanyar samar da tattalin arziƙi, kuma yana kawo ƙarin fa'idodin tattalin arziƙi.
Cikakken hanyoyi
Abubuwan da ke cikin abin da ke cikin sabuwar dabara ana ci gaba da kasa a cikin tare da abubuwan hannu.
Hanyar samarwa na rukuni na babban waya% 8mm ~ ~ ~ ~ Araphthrb400e Coiled katantanwa. The rolling process is: outgoing temperature: 1080~1120℃, entering pre-finishing rolling 1030~1060℃, entering finishing rolling temperature: 850~870℃, spinning temperature: 850~870℃, fan air volume 100%, entering insulation cover Zazzabi 640 ~ 66 ~ 66 ℃, 600 ~ 62 ~ fitar da murfin da aka adana shine 45 ~ 55s, kuma yana sanyaya ta halitta. Abubuwan sunadarai na sandar waya na sanannun abubuwan da aka nuna a cikin tebur na 1, da kuma kayan aikin na inji na sanda na yanzu ana nuna su a cikin Table 2.
Abubuwan sunadarai (wt%) na sandunan waya na misalin tebur
Table 2 Kayan aikin injiniyoyi na Table
Thearfin amfanin ƙasa na babban waya %% ~ ~ ~ aya sama da 10%, da kuma tsarin ƙwanƙwasawa yana sama da tsarin ƙarfe ne kawai da pearliite. , tsayayyen aiki, isasshen ƙarfi da ƙarfi da agt gefe, nasarar wannan tsari yana da matukar mahimmanci don rage farashin samarwa tare da tsoffin kayan aiki.
Abubuwan fasaha:
1. Hanyar samarwa na m-birgima m barbed karfe mashaya, wire waya ya hada da dumama - matsakaici - gama - sanyaya - Intering - Jirgin ruwan sanyi mai sanyi na Table Col-Tallafi mai sanyaya-dumu, wanda aka nuna a cikin wannan kararraki na karfe shine C = 0.50% ~ 0.50% ~ 0.50% ~ 0.50% ~ 0.50% ~ 1.40% ~ 1.60%, py = 0.045%, SUKE050%, v = 0.015% ~ 0.015%, sauran suna da cikakkiyar ƙa'idodi na ƙasa; Matakan tsarin sun hada da: yawan zafin jiki shine 1070 ° C, zazzabi na kammalawa shine 970 ° C, kuma an aiwatar da mirgine. Zazzabi shine 840 ~ 880 ℃; Zazzabin zafin jiki shine 845 ~ 875 ℃; zazzabi na ƙarshe na zazzabi yana ƙasa da zazzabi mai recrystallization na yankin Austenite; Ana sanyaya ta da ban sha'awa cikin sauri a teburin iska mai sanyaya, kuma faɗuwar iska 100%; Tebur mai narkewa yana rufewa ta rufe murfin rufi, zazzabi da shigarwar murfin shine 65 ~ 65 ~ 65 ℃ 55 ~ 55s.
Taƙaitaccen fasaha
Hanyar samarwa na sandar karfe mai zafi, da birgima karfe mai cike da ruwa shine% C = 0.25% ~ 0,40% ~ 0.50% ~ 0.50% ~ 0.50% , MN = 1.40% ~ 1.60%, PE00.04%, SCKE0%, ragowar%, sauran suna da cikakkiyar ƙa'idodi na ƙasa; Tsarin mirgine shine: yawan zafin jiki shine 1070 ~ 117 ℃, kuma ana aiwatar da kammalawa. Zazzabi na mirgine shine 970 ~ 1000 ℃, zazzabi mirgine zafin jiki shine 840 ~ 880 ℃; Zazzabin zafin jiki shine 845 ~ 875 ℃; zazzabi na ƙarshe na zazzabi yana ƙasa da zazzabi mai recrystallization na Austenite yankin; %; Bayan rufe murfin rufi na roller, zazzabi da shigarwar murfin shine 65 ~ 65 ~ 65 ~ 65 ~ 55s. Ta hanyar ƙara karamin adadin v Almonoy da kuma ƙare ɓoyewa a ƙarancin zafin jiki, amma kuma yana tabbatar da ingantaccen abubuwan da aka tsayar da abubuwan da aka tsallake da farashin.
Lokaci: Aug-30-2022