Farantin ɗaure

bayanai na asali

Waɗannan faranti na ma'aunin ƙarfe da faranti na ma'aunin tushe sune manyan sassan da ke ɗauke da kaya a cikin tsarin ɗaure layin dogo na EU/US. Ana sanya faranti na ma'aunin ƙarfe tsakanin ma'aunin roba da faranti na tushe don daidaita ma'aunin jirgin ƙasa da kuma iyakance motsi na gefe na layukan dogo, yayin da faranti na ma'aunin ƙarfe ke ɗaukar nauyin layin dogo na tsaye zuwa ga masu barci, don guje wa lalacewar damuwa mai yawa ga gadajen hanya. Ga kasuwannin EU waɗanda ke bin ƙa'idodin EN 13481, an yi sassan da ƙarfe mai ƙarfi na QT450-10 wanda ya dace da ƙayyadaddun bayanai na EN 1563, wanda ya dace da layukan dogo masu sauri 350km/h da layukan dogo masu nauyi 25t, kuma sun dace da tsarin ɗaure Pandrol Fastclip da Vossloh SKL. Ga kasuwannin Arewacin Amurka waɗanda ke bin ƙa'idodin Babi na 5 na AREMA, ana buƙatar faranti na ƙarfe mai siminti ko ƙarfe mai laushi don layukan dogo masu nauyi 40t, tare da ramuka da aka riga aka haƙa waɗanda suka dace da bayanan dogo na AREMA da girman barci. Duk samfuran suna amfani da fenti mai kauri da aka yi da galvanized ko dacromet anti-corrosion, suna wucewa gwaje-gwajen feshi mai kauri na sa'o'i 1000+ don daidaitawa da yanayi mai tsanani daga -45℃ zuwa 75℃. Sun wuce gwaje-gwajen zagayowar kaya masu ƙarfi miliyan 5 ba tare da nakasa ko fashewa ba, kuma faranti masu kauri suna tallafawa daidaitawar ma'aunin jirgin ƙasa ±8mm zuwa ±12mm ta hanyar canza kauri, wanda ke kawar da buƙatar maye gurbin faranti na tushe don rage farashin gyara, kuma ana samun girman da aka keɓance don buƙatun aikin na musamman.