Hanyar shigar da wuta
Wakilin Carburizing ya dace da narkewa a cikin tanderun ƙaddamarwa, amma takamaiman amfani ba iri ɗaya bane bisa ga buƙatun tsari.
(1) A cikin matsakaicin matsakaicin wutar lantarki ta hanyar amfani da wakili na carburizing, bisa ga rabo ko daidaitattun buƙatun carbon tare da kayan da aka ƙara zuwa ƙananan ɓangaren wutar lantarki, ƙimar dawowa zai iya kaiwa fiye da 95%;
(2) ruwa baƙin ƙarfe narkewa idan adadin carbon ne kasa don daidaita carbon lokaci, da farko wasa da makera slag, sa'an nan kuma ƙara carburizing wakili, ta hanyar ruwa baƙin ƙarfe dumama, electromagnetic stirring ko wucin gadi stirring narkar da carbon sha, da dawo da kudi. zai iya zama kusan 90, idan ƙananan zafin jiki na carburizing tsari, wato, cajin kawai narke wani ɓangare na narkakkar baƙin ƙarfe zafin jiki ne low, duk carburizing wakili da zarar an kara a cikin ruwa baƙin ƙarfe, a lokaci guda, shi ne manne a cikin ruwa. baƙin ƙarfe tare da caji mai ƙarfi don kiyaye shi daga saman ƙarfen ruwa. Wannan hanya na iya ƙara yawan carburization na ƙarfe na ruwa fiye da 1.0%.
Yin amfani da daidaitaccen wakili na carburizing a cikin tanderun induction
1, da yin amfani da 5T ko fiye lantarki tanderun, da albarkatun kasa ne guda da kuma barga, mu bayar da shawarar da dispersive ƙara Hanyar. Dangane da abubuwan da ake buƙata na abun ciki na carbon, gwargwadon rabon abubuwan sinadarai, wakili na carburizing da cajin ƙarfe tare da kowane nau'in kayan don shiga cikin tanderun da ke cikin ƙananan ɓangaren, ƙaramin ƙarfe na cajin wakili na ƙarfe, ƙimar ɗaukar carbon zai iya. kai 90% -95%, wakili na carburizing a cikin narkewa kada ku yi slag, in ba haka ba mai sauƙi da za a nannade shi a cikin sharar gida, yana shafar sha na carbon;
2. Ana amfani da tanderun shigar da matsakaicin mitar kusan 3T, kuma albarkatun ƙasa ɗaya ne kuma barga. Muna ba da shawarar hanyar ƙara ta tsakiya. Idan aka narkar da ɗan ƙaramin ƙarfe ko aka bar shi a cikin tanderu, ana ƙara narkakken ƙarfe a saman narkakken ƙarfe a lokaci ɗaya, kuma ana ƙara cajin ƙarfe nan da nan. Ana danna ma'auni na carburizing a cikin narkakkar ƙarfe, don haka mai sarrafa kayan aiki ya kasance cikakke tare da narkakken ƙarfe, kuma yawan sha ya wuce 90%;
3, amfani da ƙananan matsakaicin mitar lantarki, albarkatun ƙasa tare da baƙin ƙarfe na alade da sauran abubuwa masu girma na carbon, muna ba da shawarar sarrafa kayan aiki mai kyau. Bayan karfe / narkakken baƙin ƙarfe narke, daidaita abun ciki na carbon, ana iya ƙarawa zuwa saman ƙarfe / narkakken ƙarfe, ta hanyar motsin ƙarfe na yanzu na ruwa (baƙin ƙarfe) ko motsawar wucin gadi don narke da sha samfurin, ƙimar shayarwar carbon shine. kusan 93%.
Hanyar carburization na waje tanderu
1. Fesa graphite foda a cikin jaka
Graphite foda a matsayin wakili na carburizing, busa cikin adadin 40kg / t, ana iya sa ran yin abun ciki na carbon na baƙin ƙarfe daga 2% zuwa 3%. Yayin da abun cikin carbon na ƙarfe na ruwa ya karu a hankali, yawan amfani da carbon ya ragu. The zafin jiki na ruwa baƙin ƙarfe kafin carburization ya 1600 ℃, da kuma talakawan zafin jiki bayan carburization ya 1299 ℃. Graphite foda carburization, kullum amfani da nitrogen a matsayin m, amma a cikin masana'antu samar yanayi, matsawa iska ya fi dacewa, da kuma oxygen a cikin matsawa iska konewa don samar da CO, sinadaran dauki zafi iya rama wani ɓangare na zazzabi drop, da CO rage yanayi. yana da amfani don inganta tasirin carburization.
2, amfani da iron carburizing agent
100-300 graphite foda carburizing wakili za a iya sa a cikin kunshin, ko daga baƙin ƙarfe kanti trough tare da kwarara a cikin, bayan da baƙin ƙarfe daga cikin ruwa cikakken zuga, har zuwa yiwu narke da carbon sha, carbon dawo da kudi ne game da. 50%.
A cikin yin amfani da carburizing wakili ya kamata kula da matsalar
Idan ƙara lokaci na wakilin carburizing ya yi da wuri, yana da sauƙi a haɗa shi a kusa da kasan tanderun, kuma ma'aikacin da aka haɗe da bangon tanderun ba shi da sauƙi a haɗa shi cikin baƙin ƙarfe na ruwa. Akasin haka, ƙara lokaci ya yi latti, zai rasa damar da za a ƙara carbon, yana haifar da narkewa, lokacin zafi yana jinkirin. Wannan ba wai kawai yana jinkirta lokacin bincike da daidaita abubuwan sinadaran ba, har ma yana haifar da lahani da ɗumama mai yawa ke haifarwa. Saboda haka, carburizing wakili ko a kan aiwatar da ƙara karfe cajin bit by bit don shiga.
Kamar a cikin yanayin babban adadin ƙari, ana iya haɗa shi tare da tanderun shigar da wutar lantarki lokacin da aikin ƙarfe na ruwa ya haɗu tare da la'akari, don tabbatar da cewa carburizer a cikin lokacin ɗaukar ƙarfe na ƙarfe na 10Min, a gefe guda ta hanyar motsawar lantarki. tasirin carburizer cikakken yaduwa sha, don tabbatar da tasirin sha. A gefe guda, ana iya rage adadin nitrogen da aka kawo a cikin carburizer.
Kada a ƙara sau ɗaya, ƙara a batches, sannan a narke wani sashi, sanya wani ɓangare na baƙin ƙarfe mai zafi (kimanin fakiti) a cikin jakar, sannan a mayar da carburizer sau 1-2, sa'an nan kuma slag, ƙara gami.
Akwai abubuwa da yawa da ya kamata a kula da su:
1. Carburizing wakili yana da wuya a sha (ba tare da calcination ba);
2, carburizing wakili ash barbashi rarraba ba uniform;
3. Shiga cikin latti;
4. Hanyar shiga ba daidai ba ne, kuma ana amfani da haɗin kai. Guji madubin baƙin ƙarfe na ruwa da kuma slag da yawa idan aka ƙara;
5. Yi ƙoƙarin kada ku yi amfani da abu mai tsatsa da yawa.
Halayen high quality carburizing wakili
1, da barbashi size ne matsakaici, da porosity ne babba, da sha gudun ne sauri.
2. Tsabtace sinadaran abun da ke ciki, high carbon, low sulfur, sosai kananan cutarwa aka gyara, high sha rate.
3, samfurin graphite crystal tsarin yana da kyau, inganta asalin ruwa baƙin ƙarfe nucleation ikon. Ƙara adadin nodules na ƙarfe na nodular a cikin inoculation, da kuma ƙara graphite tsakiya a cikin tanderun lantarki ruwa baƙin ƙarfe. Tace har ma da rarraba tawada burbushin cikin simintin gyaran kafa.
4. Kyakkyawan aiki da kwanciyar hankali.
Zaɓin wakili na carburizing mai dacewa yana taimakawa wajen rage farashin samar da smelting, inganta ingancin ƙarfe da simintin gyare-gyare, don haka smelting shuka, simintin gyare-gyare.
Lokacin aikawa: Dec-02-2022