Dangane da hanyar yin gyare-gyaren: Cast Rolls da ƙirƙira Rolls.
Yin wasan kwaikwayonadikoma ga nau'ikan nadi da aka ƙera ta hanyar jefar da narkakkar karfe ko narkakken ƙarfe.
Za a iya raba naɗaɗɗen simintin gyare-gyare zuwa nau'i biyu: naɗaɗɗen ƙarfe na ƙarfe da naɗaɗɗen ƙarfe bisa ga kayan;bisa ga hanyoyin masana'antu, ana iya raba su zuwa nau'i biyu: naɗaɗɗen simintin gyare-gyare da kuma naɗaɗɗen simintin.
An rarraba roƙon ƙirƙira ta kayan aiki kamar haka:
(1) Ƙirƙirar alluran ƙarfe na ƙarfe;
(2) Ƙirƙirar Rolls Semi-karfe;
(3) Ƙirƙirar nau'i-nau'i-nau'i-nau'i na karfe;
(4) Jujjuyawar farin simintin ƙarfe na ƙarfe.
Dangane da hanyar tsari:Rubutun gama-gari, naɗaɗɗen ƙarfe na ƙarfe da haɗaɗɗunnadi.
1. Idan aka kwatanta da nadi mai haɗe-haɗe, ana jefar gabaɗayan nadi ko ƙirƙira tare da wani abu ɗaya don Layer na waje, ainihin da wuyan nadi.Ƙarshen waje na jikin nadi da wuya suna da sifofi daban-daban da kaddarorin ta hanyar yin simintin gyare-gyare ko Tsarin ƙirƙira da tsarin kula da zafi don sarrafawa da daidaitawa.Duka jabun jujjuyawar juzu'i da naɗaɗɗen simintin simintin gyare-gyaren juzu'i ne na haɗin gwiwa.An raba naɗaɗɗen nadi zuwa simintin gyare-gyare na haɗin gwiwa da naɗaɗɗen ƙirƙira.
2. Metallurgical composite rolls ɗin simintin gyare-gyare sun haɗa da simintin gyare-gyare na ɗan gajeren lokaci, zubar da ruwa (cikakken flushing), simintin haɗaɗɗiyar centrifugal.Nau'o'in naɗaɗɗen naɗaɗɗen da aka kera ta hanyoyi na musamman kamar matsi na isostatic (HIP-Hot Isostatically Pressed) da walƙiya na electroslag.Rubutun da aka haɗa galibi saitin nadi ne.
Ta hanyar masana'anta:
Simintin simintin gyare-gyare na ƙarfe, jujjuyawar simintin ƙarfe da ƙirar ƙirƙira
Nau'in maganin zafi da aka fi amfani da shi don rolls: damuwa da damuwa annealing, isothermal spheroidizing annealing, diffusion annealing, normalizing, tempering, quenching, cryogenic magani.
Dangane da sifar jikin nadi:
Akwai hanyoyi daban-daban na rarrabuwa don nadi.Dangane da siffar jikin nadi, an raba shi zuwa cylindrical da non-cylindrical, na farko ana amfani da shi ne don samar da faranti, tarkace, bayanan martaba da wayoyi, kuma ana amfani da na ƙarshe don samar da bututu.
Dangane da ko yana cikin hulɗa da yanki na birgima:
Rarraba cikin nadi na aiki da nadi na baya.Rubutun da ke tuntuɓar kayan jujjuya kai tsaye ana kiran su rolls ɗin aiki;rolls ɗin da aka sanya a baya ko gefen aikin naɗaɗɗen ba tare da tuntuɓar kayan jujjuya kai tsaye don ƙara ƙarfi da ƙarfin juzu'in aikin ba ana kiran su madadin rolls.
Dangane da yin amfani da takin gargajiya:
Dangane da amfani da tsayawar, an kasu kashi-kashi na fure-fure, roughing Rolls, matsakaicin nadi da na gamawa.Dangane da nau'in kayan mirgina iri-iri, an raba shi zuwa juzu'in tsiri, narkar da katako na dogo, naɗaɗɗen sandar waya da bututun bututu.Hakanan za'a iya raba shi zuwa naɗaɗɗen zafi da naɗaɗɗen sanyi gwargwadon yanayin jujjuyawar lokacin mirgina.
Dangane da ƙimar taurin:
(1) Soft Rolls Shore taurin shine kusan 30 ~ 40, ana amfani dashi don lalata injuna, injunan mirgina manyan injinan ƙarfe, da sauransu.
(2) Semi-hard Rolls Shore hardness ne game da 40 ~ 60, amfani da m mirgina niƙa manyan, matsakaici da kuma kananan sashe karfe niƙa da karfe farantin karfe.
(3) Rolls masu wuyar fuska taurin Shore yana kusan 60 ~ 85, ana amfani da shi don mirgine mirgine na bakin ciki farantin, matsakaicin farantin, matsakaicin sashe karfe da ƙananan sassan karfe da kuma juzu'in juzu'i na manyan mirgina huɗu.
(4) Extra hard rolls Harkar bakin teku yana kusan 85 ~ 100, ana amfani dashi a cikin injin mirgina sanyi.
Dangane da nau'inmirgina niƙa:
(1) Rubutun lebur.Wannan shineRolling Mill Rolls, jikin nadi yana da silindi.Gabaɗaya, ana yin naɗaɗɗen ƙarfe na ƙarfe mai zafi mai zafi zuwa sifa mai ɗanɗano kaɗan, kuma idan mai zafi da faɗaɗawa, ana iya samun mafi kyawun sifa;Rolls na injin niƙa na ƙarfe mai sanyi ana yin su zuwa sifa mai ɗanɗano kaɗan, kuma ana lanƙwasa rolls yayin jujjuya don samun siffa mai kyau.
(2) Rubutun nadi.Ana amfani da shi don mirgina manya, matsakaici da ƙananan sassa, sandunan waya da furanni.An zana ramuka a saman nadi don siffata abin birgima.
(3) Rolls na musamman.Ana amfani da shi a cikin masana'anta na musamman kamar bututun ƙarfemirgine niƙa, Injin mirgine dabaran, ƙwallan ƙarfe na ƙarfe da injin huda.Rolls na wannan injin niƙa suna da nau'i daban-daban, kamar naɗaɗɗen da aka yi birgima ta hanyar ka'idar skew rolling a cikin bututun ƙarfe, waɗanda ke jujjuyawar, ganga ko faifai.
Lokacin aikawa: Agusta-19-2022