Chidziwitso chaching'ono

Mpukutu ndi gawo lofunika kwambiri la mphero mumsewumphero.Kupanikizika kopangidwa ndi awiri kapena gulu la mipukutu kumagwiritsidwa ntchito kugudubuza zitsulo.Imakhudzidwa makamaka ndi katundu wosunthika komanso wosasunthika, kuvala ndi kusintha kwa kutentha pakugubuduza.
Pali mitundu iwiri ya masikono: hot roll ndi cold roll.
Zida zogwirira ntchito mumipukutu yozizira wamba zikuphatikizapo 9Cr, 9cr2,9crv, 8crmov, etc. masikono ozizira amafunikira kuzimitsa pamwamba, ndipo kuuma kwake ndi hs45 ~ 105.
Zida zomwe zimagwiritsidwa ntchito kwambiri popangira ma roller otentha ndi 55mn2,55cr, 60CrMnMo, 60simnmo, etc. zodzigudubuza zotentha zimagwiritsidwa ntchito pokonza billet, mbale wandiweyani, gawo lachitsulo, ndi zina zotero. , ndipo mpukutu wotentha umagwira ntchito pa kutentha kwakukulu, ndipo umalola kuti m'mimba mwake muvale mkati mwa unit katundu, kotero sikutanthauza kuuma pamwamba, koma mphamvu yaikulu, kulimba ndi kukana kutentha.Mpukutu wotentha wopukutira umangokhala wokhazikika kapena kuzimitsidwa chonse, ndipo kulimba kwapamwamba kumafunika kukhala hb190~270.Kuuma kolimba kwa mpukutu ndi mtengo wosalunjika, ndipo mulingo wake umakhudzidwa ndi momwe bungwe la mpukutuwo limakhalira, monga kuuma kwa matrix a zinthu zopukutira, mtundu ndi kuchuluka kwa ma carbides muzinthu zopukutira, kupsinjika kotsalira kwa mpukutuwo. mpukutu, ndi zina zotero;Panthawi imodzimodziyo, chifukwa mayesero omwe amagwiritsidwa ntchito kawirikawiri a m'mphepete mwa nyanja ndi Leeb amayesa kuuma kwa mpukutu ndi kuyesa kuuma kwa rebound, amakhudzidwa kwambiri ndi zida zoyesera, zochitika zamaganizo za ogwira ntchito ndi zina.Choncho, onse opanga ndi ntchito m'madipatimenti a masikono ayenera perekani antchito apadera udindo kuyezetsa kuuma, kulabadira kusankha kuuma tester, ndi kufananitsa ubale ndi kuuma ena ayenera kukhala okhazikika.Nthawi yomweyo, tcherani khutu ku kugonjera pafupipafupi ndikuwongolera zida zoyezera kuuma ndi midadada yoyeserera.Mabizinesi oyenerera amatha kulimbikitsa kugwiritsa ntchito mipukutu yokhazikika pakuyesa kulimba mtima.