Babban hanyoyin sarrafa manyan bututun ƙarfe na ƙarfe sune:
① Karfe mai ƙirƙira: Hanyar sarrafa matsa lamba wanda ke amfani da tasirin mai jujjuya guduma ko matsi na latsa don canza blank zuwa siffar da girman da muke buƙata.
② Extrusion: Hanya ce ta sarrafa ƙarfe da ake sanya ƙarfe a cikin rufaffiyar extrusion cylinder kuma ana matsa lamba a gefe ɗaya don fitar da ƙarfen daga ƙayyadadden ramin mutuwa don samun samfurin da aka gama mai siffar da girmansa. Ana amfani da shi galibi don samar da kayan ƙarfe mara ƙarfe. karfe.
③ Mirgina: Hanyar sarrafa matsi wanda ƙarfen ƙarfe ba ya wuce ta tazarar da ke tsakanin biyu na rollers masu juyawa (a cikin siffofi daban-daban). Saboda matsawa na rollers, an rage sashin kayan abu kuma an ƙara tsayi.
④ Zana Ƙarfe: Hanya ce ta aiki wanda ke zana nau'in ƙarfe mai birgima (siffa, bututu, samfur, da dai sauransu) ta cikin rami mai mutu a cikin raguwar giciye da tsayin tsayi. Yawancin su ana amfani da su don sarrafa sanyi. Ana kammala manyan bututun ƙarfe mai girman diamita ta hanyar raguwar tashin hankali da ci gaba da jujjuya kayan tushe mara tushe ba tare da madaidaici ba.

Takardun don daidaitaccen saiti da kuma samar da bututun ƙarfe mai girman diamita sun nuna cewa ana ba da izinin ƙetare yayin kera da samar da bututun ƙarfe mai girman diamita:
① Tsawon tsayin da aka ba da izini: Tsayin da aka ba da izinin ƙetare sandunan ƙarfe lokacin da aka isar da shi zuwa tsayayyen tsayi ba zai fi + 50mm ba.
② Lankwasawa da ƙarewa: Ƙarƙashin lanƙwasa madaidaiciyar sandunan ƙarfe ba ya shafar amfani na yau da kullun, kuma jimlar curvature bai fi 40% na jimlar tsawon sandunan ƙarfe ba; iyakar sandunan ƙarfe ya kamata a yanke madaidaiciya, kuma nakasar gida kada ta shafi amfani.
③ Tsawon: Ana ba da sandunan ƙarfe galibi a cikin tsayayyen tsayi, kuma takamaiman tsayin isarwa ya kamata a ƙayyade a cikin kwangilar; Lokacin da aka kawo sandunan ƙarfe a cikin coils, kowane nada yakamata ya zama sandar ƙarfe ɗaya, kuma kashi 5% na coils ɗin da ke cikin kowane batch an yarda ya ƙunshi sanduna biyu. Ya ƙunshi sandunan ƙarfe. An ƙayyade nauyin diski da diamita na diski ta hanyar shawarwari tsakanin ɓangarorin samarwa da buƙatu.

Bayanin tsawon babban diamita na bututun ƙarfe:
1. Tsawon al'ada (kuma ana kiransa tsayin da ba a kayyade): Duk wani tsayin da ke cikin tsayin tsayin da aka kayyade ta ma'auni kuma ba tare da tsayayyen tsayin da ake buƙata ba ana kiran shi tsayin talakawa. Alal misali, tsarin bututu matsayin sharadi zafi birgima (extruded, fadada) karfe bututu 3000mm ~ 12000mm; sanyi kõma (birgima) karfe bututu 2000mm ~ 10500mm.
2. Tsawon tsayi: Tsawon tsayayyen ya kamata ya kasance a cikin tsayin da aka saba da shi kuma yana da tsayin daka da ake bukata a cikin kwangilar. Koyaya, ba shi yiwuwa a yanke tsayayyen tsayi a cikin ainihin aiki, don haka ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙimar karkatacciyar ƙima don tsayayyen tsayi.
3. Tsawon mai mulki sau biyu: Tsawon mai mulki guda biyu ya kamata ya kasance cikin kewayon tsayi na al'ada. Ya kamata a nuna tsayin mai mulki guda ɗaya da maɗaukaki na jimlar jimlar a cikin kwangilar (alal misali, 3000mm × 3, wanda shine nau'i na 3 na 3000mm, kuma tsayin duka shine 9000mm). A cikin ainihin aiki, ya kamata a ƙara haɓaka tabbataccen haɓakar 20 mm zuwa tsayin duka, kuma a bar ba da izini ga kowane tsayin mai mulki guda ɗaya. Idan babu wani tanadi na tsayin daka da yanke alawus a cikin ma'auni, ya kamata a yi shawarwari tsakanin mai siyarwa da mai siye kuma a bayyana a cikin kwangilar. Ma'auni na tsawon ninki biyu, kamar ƙayyadaddun tsayin tsayi, zai rage yawan ƙimar samfurin da aka gama. Sabili da haka, yana da ma'ana ga masana'anta su ba da shawarar haɓakar farashi, kuma ƙimar haɓakar ƙimar daidai take da tsayayyen tsayi.
4. Tsawon iyaka: Tsawon kewayon yana cikin kewayon da aka saba. Lokacin da mai amfani yana buƙatar tsayayyen tsayin kewayon, dole ne a ƙayyade shi a cikin kwangilar.