Gwajin Taurin Leeb
A halin yanzu, ana amfani da na'urar gwajin taurin Leeb sosai wajen gwajin taurin siminti. Na'urar gwajin taurin Leeb tana amfani da ƙa'idar gwajin taurin mai ƙarfi kuma tana amfani da fasahar kwamfuta don cimma ƙarancin na'urar gwajin taurin da lantarki. Yana da sauƙi kuma mai sauƙin amfani, karatun ya fi fahimta, kuma ana iya canza sakamakon gwajin cikin sauƙi zuwa ƙimar taurin Brinell, don haka ana maraba da shi sosai.
Yawancin kayan aikin simintin suna da matsakaicin girma zuwa babba, wasu daga cikinsu suna da nauyin tan da yawa, kuma ba za a iya gwada su a kan na'urar gwada taurin benci ba. Gwajin taurin daidai na simintin galibi yana amfani da sandunan gwaji daban-daban ko tubalan gwaji da aka haɗa da simintin. Duk da haka, sandar gwaji ko tubalan gwaji ba za su iya maye gurbin kayan aikin gaba ɗaya ba. Ko da tanderun ƙarfe ne iri ɗaya, tsarin simintin da yanayin maganin zafi iri ɗaya ne. Saboda babban bambanci a girma, ƙimar dumama, musamman saurin sanyaya, zai bambanta. Yana da wuya a sa su biyun su sami taurin iri ɗaya. Saboda wannan dalili, abokan ciniki da yawa suna damuwa kuma suna yarda da taurin kayan aikin da kansu. Wannan yana buƙatar na'urar gwada taurin daidai don gwada taurin simintin. Na'urar gwajin taurin Leeb tana magance wannan matsalar, amma ya zama dole a kula da ƙarshen saman kayan aikin yayin amfani da na'urar gwajin taurin Leeb. Na'urar gwajin taurin Leeb tana da buƙatu don taurin saman kayan aikin.
Mai Gwajin Taurin Brinell
Ya kamata a yi amfani da na'urar gwajin taurin Brinell don gwajin taurin siminti. Ga na'urorin gwajin ƙarfe masu launin toka waɗanda ke da ƙwayoyin da ba su da ƙarfi, ya kamata a yi amfani da yanayin gwajin ƙarfin kilogiram 3000 da ƙwallon 10mm gwargwadon iyawa. Idan girman simintin ya yi ƙarami, ana iya amfani da na'urar gwajin taurin Rockwell.
Simintin ƙarfe yawanci yana da tsari mara daidaituwa, manyan hatsi, kuma yana ɗauke da ƙarin carbon, silicon da sauran ƙazanta fiye da ƙarfe, kuma taurin zai bambanta a ƙananan yankuna daban-daban ko a wurare daban-daban. Shigar da na'urar gwajin taurin Brinell yana da girma mafi girma da kuma babban yanki na shiga, kuma yana iya auna matsakaicin ƙimar taurin kayan a cikin wani takamaiman iyaka. Saboda haka, na'urar gwajin taurin Brinell tana da daidaiton gwaji mafi girma da ƙaramin yaɗuwar ƙimar taurin. Ƙimar taurin da aka auna ta fi wakiltar ainihin taurin kayan aikin. Saboda haka, ana amfani da na'urar gwajin taurin Brinell sosai a masana'antar ginin masana'antu.
Taurin Rockwell
Ana kuma amfani da na'urorin gwajin taurin Rockwell don gwajin taurin ƙarfe. Ga kayan aiki masu ƙananan hatsi, idan babu isasshen wuri don gwajin taurin Brinell, ana iya yin gwajin taurin Rockwell. Don ƙarfe mai laushi mai laushi, ƙarfe mai sanyi da simintin ƙarfe, ana iya amfani da sikelin HRB ko HRC. Idan kayan ba su daidaita ba, ya kamata a auna karatu da yawa kuma a ɗauki matsakaicin ƙimar.
Testing na Taurin Baki
A wasu lokuta daban-daban, ga wasu simintin da ke da manyan siffofi, ba a yarda a yanke samfurin ba, kuma ba a yarda a jefa ƙarin tubalan gwaji don gwajin tauri ba. A wannan lokacin, gwajin tauri zai fuskanci matsaloli. A wannan yanayin, hanyar da aka saba amfani da ita ita ce a gwada tauri ta amfani da na'urar gwajin tauri ta Shore mai ɗaukuwa a saman santsi bayan an gama simintin. Misali, a cikin ma'aunin naɗin da ake amfani da shi sosai a masana'antar ƙarfe, an tsara cewa ya kamata a yi amfani da na'urar gwajin tauri ta Shore don gwada tauri.
Lokacin Saƙo: Disamba-29-2022
