Cold birgima farantin SPCC Jumlad sanyi birgima farantin madubi zane sanyi birgima girman girman yankan jirgin sama kauri sanyi birgima karfe farantin.

Mirgina mai zafi

Motsi mai zafi yana ɗaukar slab (mafi yawan ci gaba da yin billet) azaman ɗanyen abu kuma yana yin tsiri mai tsiri daga injin niƙa da gamawa bayan dumama. Zafin karfe mai zafi daga injin ƙarewa na ƙarshe ana sanyaya shi zuwa yanayin da aka saita ta hanyar kwararar laminar, kuma ana mirgina shi cikin coil ɗin karfe ta coiler. Ana sarrafa kwandon karfen da aka sanyaya a cikin farantin karfe, lebur mai lebur da samfuran tsiri mai tsayi ta hanyar layukan gamawa daban-daban (matakin daidaitawa, daidaitawa, yankan madaidaiciya ko madaidaiciya, dubawa, aunawa, marufi da alama, da sauransu) bisa ga buƙatun masu amfani daban-daban. Idan za a iya sanya shi cikin sauƙi, ana dumama tulun ƙarfe (nau'in jan ƙarfe mai zafi da ke ƙonewa a kan TV), ana yin birgima sau da yawa, a gyara shi, a daidaita shi cikin farantin karfe. Wannan shi ake kira zafi birgima.

 Sanyi mirgina

Cold mirgina: tare da zafi birgima karfe nada a matsayin albarkatun kasa, bayan pickling don cire oxide fata ga sanyi ci gaba da mirgina, da ƙãre samfurin ne birgima m yi, saboda sanyi hardening lalacewa ta hanyar m sanyi nakasawa na yi birgima wuya mirgine ƙarfi, taurin, tauri da filastik index ƙi, don haka da stamping yi zai lalace, za a iya amfani da kawai ga sauki nakasawa sassa. Hard Roll za a iya amfani da matsayin danyen abu a zafi tsoma galvanizing shuka domin zafi tsoma galvanizing raka'a suna sanye take da annealing line. Nauyin naɗa mai ƙarfi gabaɗaya 6 ~ 13.5 ton, ƙarfe na ƙarfe a zafin jiki, zafi mai birgima na ci gaba da mirgina. Diamita na ciki shine 610mm.

Fasalolin samfur: Saboda ba a goge shi ba, taurinsa yana da girma sosai (HRB ya fi 90), aikin injin ɗin ba shi da kyau sosai, zai iya zama sauƙi mai sarrafa karkatarwa ƙasa da digiri 90 (daidai da inda ake murɗawa).

Don sanya shi a sauƙaƙe, ana sarrafa jujjuyawar sanyi kuma ana yin birgima akan faranti mai zafi da nadi. Gabaɗaya magana, tsari ne na birgima mai zafi - pickling - mirgina sanyi.

Cold rolling ana sarrafa ta da zafi birgima a yanayin zafi na al'ada, duk da cewa farantin karfe za a yi zafi yayin aikin sarrafa shi saboda jujjuyawa, amma duk da haka ana kiran shi sanyi. A sakamakon zafi mai mirgina ta ci gaba da sanyi nakasawa na sanyi mirgina, da inji kaddarorin ne in mun gwada da matalauta, da taurin yayi yawa. Dole ne a share shi don maido da kayan aikin injinsa, ba a shafe shi ba da ake kira rolled hard roll. Ana amfani da nadi mai wuya gabaɗaya don yin ba tare da lankwasawa ba, samfuran miƙewa.