Manya-manyan jabun jabun da ba a saka ba, an yi su ne da ingot na karfe, wanda za a iya raba shi zuwa manyan ingot da kananan ingot bisa ga fayyace na ingot karfe. Gabaɗaya taro ya fi 2t ~ 2.5t, diamita ya fi 500mm ~ 550mm ingot da ake kira manyan ingot, sauran kuma ƙananan ingot ne.

Latsa ƙirƙira ingot ɗin da aka yi amfani da ita kafin zafin wutar tanderu lokacin da aka raba lodi zuwa ingots mai sanyi (yawanci don zafin ɗaki) da ingot mai zafi (mafi yawan zafin jiki) don ingots mai sanyi a ƙasa da 500 ℃ robobin dumama ya fi talauci, kuma kafa ta an ingot a crystallization tsari da saura danniya da zafin jiki danniya shugabanci, kowane irin nama lahani zai haifar da danniya taro, idan misalignment dumama bayani dalla-dalla, da sauki sa. fasa. Saboda haka, a cikin ƙananan zafin jiki na sanyi ingot dumama, da loading zafin jiki da dumama gudun kamata a iyakance.
Forging dumama manyan ingot tare da Multi dumama bayani dalla-dalla, saboda da babban sashe size, a tsakiyar tensile danniya ne mai girma, guda biyu tare da low ingot ƙarfi, matalauta plasticity, don haka da ƙirƙira zafin jiki danniya yana da sauki crack a lokacin dumama, sabili da haka, zafin wutar tanderun ba zai iya yin tsayi da yawa ba, saurin dumama ya kamata kuma a aiwatar da shi a hankali. Misali, don carbon tsarin karfe da gami tsarin karfe, da tanderun zafin jiki ne kullum 350 ℃ ~ 850 ℃, da ingot size ne kananan, da tanderun zafin jiki ne babba, da kuma rufi. Domin gami karfe, kamar high gudun karfe, high chromium karfe ne sauki crack lokacin da mai tsanani, da tanderun zafin jiki ya kamata a sarrafa a 400 ℃ ~ 650 ℃. Lokacin da zafin jiki ya fi 850 ℃, ingot za a iya zafi da sauri da sauri, amma ba da sauri ba, don kauce wa faruwar ƙirƙira a ciki da waje bambancin zafin jiki ya yi girma sosai. Alal misali, ƙirƙira na carbon tsarin karfe da gami tsarin karfe damar zazzabi bambanci tsakanin 50 ℃ da 100 ℃.
Lokacin dumama karamin karfe ingot, saboda girman girman sashe, ragowar damuwa da yanayin zafi da dumama ke haifarwa ba su da girma, saurin dumama na iya zama da sauri, don haka, don carbon na USB karfe da ƙarancin gami da ingot, wani sashe na sauri. Ana amfani da ƙayyadaddun dumama a cikin ƙirƙira. Domin kananan high-alloy karfe ingot, saboda ta low zafin jiki thermal watsin ne matalauta, da kuma babban sanyi ingot dumama, kuma amfani da Multi-mataki dumama bayani dalla-dalla, ƙirƙira blanks za a iya shigar a 700 ℃ ~ 1000 ℃ zazzabi tanderu.
Domin rage lokacin dumama da adana man fetur, manyan ingot daga wurin bitar karfe bayan an tsige, kai tsaye a aika zuwa ga dumama makera bitar, irin wannan ingot karfe mai suna hot ingot. A lokacin da zafi ingot tanderu caji, da surface zafin jiki na 550 ℃ ~ 650 ℃, saboda da zafi ingot a cikin mai kyau filastik jihar, zazzabi danniya ne kananan, don haka da tanderun zafin jiki za a iya inganta, dangane da ingot size da abu ne daban-daban, iya. kasance a cikin 800 ℃ ~ 1000 ℃ tanderu, ƙananan ingot tanderun zafin jiki na iya zama marar iyaka, bayan caji na iya zama ɗayan mafi girman saurin dumama.