A cikin yankan karfe, ana kiran kayan aikin yankan kullun da hakora na masana'antu na masana'antu, kuma aikin yankan kayan aikin kayan aiki yana daya daga cikin mahimman abubuwan da ke tabbatar da ingancin samar da shi, farashin samarwa da ingancin sarrafawa. Sabili da haka, daidaitaccen zaɓi na kayan aikin yankan kayan aiki yana da mahimmanci.
Kayan kayan aiki yana nufin kayan aikin yankan ɓangaren kayan aiki.
Musamman, ingantaccen zaɓi na kayan aikin kayan aiki yana shafar abubuwan da ke gaba:
Machining yawan aiki, kayan aiki karko, kayan aiki amfani da machining farashin, machining daidaito da kuma surface ingancin.
An yi imani da cewa kayan aikin kayan aiki sun haɗa da kayan aiki na kayan aiki na carbon, kayan aiki na kayan aiki, ƙarfe mai sauri, ƙarfe mai ƙarfi, yumbu, cermets, lu'u-lu'u, boron nitride mai siffar sukari, da dai sauransu.
Cermet abu ne mai haɗaka
Cermet
Cermet kalmar Ingilishi cermet ko yumbu ya ƙunshi yumbu ( yumbu) da ƙarfe (ƙarfe). Cermet wani nau'i ne na kayan haɗin gwiwa, kuma ma'anarsa ya ɗan bambanta a lokuta daban-daban.
(1) Wasu ana siffanta su azaman kayan da aka haɗa da yumbu da ƙarfe, ko wani abu mai haɗaka na yumbu da ƙarfe da aka yi ta hanyar ƙarfe na foda.
Kwamitin Ƙwararrun Ƙwararru na Amurka ya bayyana shi a matsayin: wani nau'i mai nau'i mai nau'i wanda ya ƙunshi ƙarfe ko alloy da ɗaya ko fiye da nau'in yumbu, wanda ƙarshensa ya kai kusan 15% zuwa 85% juzu'i, kuma a yanayin zafin jiki, Solubility tsakanin karfe da yumbu matakai ne wajen kananan.
Abubuwan da aka yi da ƙarfe da albarkatun yumbu suna da wasu fa'idodi na ƙarfe da tukwane, kamar tsayin daka da juriya na farko, da ƙarfin zafin jiki, ƙarfin ƙarfi da juriya na iskar shaka na ƙarshen.
(2) Cermet carbide cemented tare da tarkace tushen titanium a matsayin babban jiki. Sunan Ingilishi na cermet, cermet, haɗe ne da kalmomin yumbu (ceramic) da ƙarfe (ƙarfe). Ti (C, N) yana ƙara juriya na lalacewa na daraja, lokaci mai wuya na biyu yana ƙara juriya ga nakasar filastik, kuma abun ciki na cobalt yana sarrafa taurin. Cermets suna haɓaka juriya na lalacewa kuma suna rage ɗabi'ar manne wa aikin aikin idan aka kwatanta da sintered carbide.
A daya bangaren kuma, yana da karancin karfin matsawa da rashin karfin juriya na thermal. Cermets sun sha bamban da gauraye masu wuya domin abubuwan da suke da wuya su na cikin tsarin WC. Cermets galibi sun ƙunshi carbides na tushen Ti da nitrides, kuma ana kiran su Ti-based cemented carbides.
Takaddun shaida na gama-gari kuma sun haɗa da gawawwakin daɗaɗɗen ƙarfe, gami da ƙarfi, da kayan aikin lu'u-lu'u masu ɗaure da ƙarfe. Tsarin yumbu a cikin cermets wani abu ne na oxide ko refractory tare da babban ma'anar narkewa da tauri mai girma, kuma lokacin karfe shine galibin abubuwa masu canzawa da gami da su.
Cermet wani nau'i ne na kayan haɗin gwiwa, kuma ma'anarsa ya ɗan bambanta a lokuta daban-daban.
Cermets kayan aikin yankan ƙarfe ne
muhimmin abu
Ana haɓaka Cermets
An yi imani da cewa kayan aikin kayan aiki sun haɗa da kayan aiki na kayan aiki na carbon, kayan aiki na kayan aiki, karfe mai sauri, simintin carbide, cermet, yumbu, lu'u-lu'u, boron nitride mai siffar sukari, da dai sauransu.
A cikin 1950s, TiC-Mo-Ni cermets an fara amfani da su azaman kayan aikin kayan aiki don yankan ƙarfe mai saurin gaske.
Da farko an haɗa takaddun shaida daga TiC da nickel. Ko da yake yana da ƙarfi mai ƙarfi da tauri mai kama da siminti carbide, taurinsa ba shi da kyau.
A cikin 1970s, an ƙirƙiri takaddun shaida na tushen TiC-TiN, takaddun shaida marasa nickel.
Wannan zamani cermet, tare da titanium carbonitride Ti (C, N) barbashi a matsayin babban bangaren, karamin adadin na biyu wuya lokaci (Ti, Nb, W) (C, N) da tungsten-cobalt-rich binder, inganta karfe The taurin yumbu ya inganta aikin yankan su, kuma tun daga nan ake ƙara amfani da cerimi don haɓaka kayan aiki.
Tare da kyakkyawan juriya na zafi, juriya da kwanciyar hankali na sinadarai, kayan aikin cermet sun nuna fa'idodin da ba za a iya kwatanta su ba a fagen yanke saurin sauri da yanke kayan aiki mai wuyar gaske.
Cermet + PVD shafi yana inganta juriya
nan gaba
Yin amfani da wukake na cermet a fagage daban-daban yana ƙaruwa kowace rana, kuma babu shakka za a ƙara haɓaka masana'antar cermet.
Hakanan ana iya lulluɓe cermets tare da PVD don ingantacciyar juriyar lalacewa.
Lokacin aikawa: Fabrairu-08-2023
