Rubutun baya-baya juzu'i ce mai goyan bayan aikinmirginekuma shi ne nadi mafi girma kuma mafi nauyi da ake amfani da shi wajen yin birgima. Themirgineiya tallafawa matsakaicimirginedon manufar guje wa karkatar da aikin yi da kuma tasiri akan yawan amfanin ƙasa da ingancin farantin karfe da tsiri mirgina niƙa. Halayen ingantattun ma'ajin nadi sune tsayin daka mai tsayi, daidaiton tauri mai kyau da zurfin tauraruwar jikin mirgina, ƙarfi mai kyau da taurin mirgina wuyan mirgina da jujjuya jiki. nadi na ajiya yana da juriya mai girma da juriya na peeling, ƙaƙƙarfan rigakafin haɗari. Ƙarfe na ƙirƙira na 1000mm ko ƙasa da haka ana yin su da 86CrMoV7 da 9Cr2Mo. Abubuwan da ke cikin carbon ɗin sa shine 0.80% zuwa 0.95% kuma abun cikin Cr shine 2%. Ana iya amfani dashi don wasu ƙananan masana'anta. Cr4 da Cr5 na baya na baya suna da abun ciki na carbon na 0.4% zuwa 0.6% da abun ciki na Cr na 4% zuwa 5%, wanda ya dace da ƙarfe mai sauri da ƙaramin ƙarfe na ƙarfe na ƙarfe.

Ga wasu ƙananan masana'anta, jujjuyawar ajiyar ƙarfe na 1000mm ko ƙasa da haka ana yin su da 86CrMoV7 da 9Cr2Mo, abun cikin carbon ɗin sa shine 0.80% zuwa 0.95% kuma abun cikin Cr shine 2%.
Karfe na Cr4 da Cr5 madadin Rolls yana da abun ciki na carbon na 0.4% zuwa 0.6% da abun cikin Cr na 4% zuwa 5%. The taurare, sa juriya, peeling juriya, gajiya-resistant da anti-hadari Properties na madadin Rolls m kawar da peeling sabon abu na yi jiki surface da yi cutoff hatsari. Cr4, Cr5 karfe madadin Rolls sun dace da ƙarfe mai sauri da ƙarfe na ƙarfe na ƙarfe na ƙarfe na ƙarfe.

Halayen High-Seed Karfe Roll (HSS Roll)

1. Abubuwan nadi na ƙarfe mai saurin gudu sun ƙunshi manyan abubuwan gami kamar vanadium, tungsten, chromium, molybdenum, da niobium. Nau'in carbides a cikin tsarin nadi sun fi MC da M2C. Kwatanta da ductile baƙin ƙarfe Rolls tare da high-nickel-chromium Rolls, da karfe wucewa girma ne mai girma kowane lokaci, wanda ceton lokaci na yi canje-canje, inganta niƙa aiki yadda ya dace da kuma rage samar da farashin.

2. Ƙarfe mai saurin sauri yana da kwanciyar hankali na thermal. A yanayin zafi na mirgina, saman nadi yana da taurin mafi girma da juriya mai kyau.
Ƙarfe mai saurin gudu yana da ƙarfi mai kyau, kuma taurin daga saman jikin nadi zuwa ciki na Layer ɗin aiki da wuya ya ragu, don haka tabbatar da cewa rolls suna da juriya mai kyau daga waje zuwa ciki.

3. A lokacin amfani da manyan juzu'ai na ƙarfe na ƙarfe, a ƙarƙashin yanayi mai kyau na sanyaya, an kafa fim ɗin oxide na bakin ciki da mai yawa a saman jikin mirgine. Wannan unifom, bakin ciki da kuma m oxide fim na iya wanzu na dogon lokaci ba tare da fadowa a kashe, yin high-gudun karfe Rolls lalacewa da muhimmanci inganta.

4. High-gudun karfe Rolls da babban abu fadada coefficient da kyau thermal watsin. Rolls na HSS na ci gaba da raguwa saboda fadada kayan ƙarfe masu sauri da kansu. A lokacin da ake yin mirgina, canjin ƙwanƙwasa yana da ƙananan, kuma ana kiyaye daidaiton girman ramin na dogon lokaci, musamman ma lokacin da ake mirgina mashaya ko rebar, wanda ya fi dacewa don sarrafa rashin haƙuri mara kyau na kayan mirgina.
5. Mahimmancin simintin centrifugalally simintin ƙarfe mai sauri mai sauri an yi shi da ƙarfe mai ƙarfi na gami, don haka, ƙarfin wuyan mirgine yana da ƙarfi.

Aikace-aikace
Bar mirgina niƙa, splitter niƙa tara, high gudun waya sanda karewa niƙa, zafi birgima kunkuntar tsiri gama niƙa, sashe da tsagi karfe mirgina niƙa.