Ta yaya za a bincika idan hardsting gwajin yana aiki koyaushe?

Hardness tan mataki:
Baya ga taka tsantsan na musamman lokacin da amfani da 'yan hallo na ƙarni daban-daban, akwai wasu matsaloli gama gari da yakamata a basu kulawa da, wadanda aka jera a ƙasa: wadanda aka jera a ƙasa:
1Ya wahalar da kansa zai haifar da kurakurai iri biyu: ɗaya ne kuskuren da nakasuwarsa da motsi na sassansa. Sauran ita ce kuskuren lalacewa ta hanyar ƙirar sigogi sun wuce ƙayyadadden ma'auni. Don kuskure na biyu, yana buƙatar tauraruwar gwaji mai mahimmanci tare da daidaitaccen toshe kafin aunawa. Don sakamakon daidaituwa na yanayin ƙarfin dutsen ya nuna, bambanci ya cancanci a cikin ± 1. Za'a iya ba da ƙimar gyara don ƙimar darajar tare da bambanci tsakanin ± 2. Lokacin da bambanci ke waje da kewayon ± 2, wajibi ne don yalwata da gyara wuya game da gwaji ko canzawa zuwa sauran hanyoyin gwajin.
Kowane sikelin na Harshen Rockwell yana da ikon yin amfani da aikace-aikace na aikace-aikace, wanda ya kamata a zaɓi daidai gwargwadon ka'idodin. Misali, lokacin da taurin kai ya fi HRB100, ya kamata a yi amfani da sikelin HRC don gwaji; Lokacin da taurin kai ya ragu fiye da HRC20, yakamata ayi amfani da sikirin HRB don gwaji. Domin daidaito da hankali na wuya game da rashin ƙarfi ne lokacin da aka wuce kewayon gwajin, kuma darajar tazara ba daidai ba ce, ba ta dace da amfani ba. Sauran hanyoyin gwajin Hardness kuma suna da ka'idodin daidaitawa. Tabbataccen toshe amfani da shi don daidaita wuya ga An yi amfani da wuya a garesu, saboda wuya na daidaitaccen gefen kuma gefen baya ba lallai ba ne iri ɗaya. Gabaɗaya an taƙaita cewa daidaitaccen toshe yana da inganci a cikin shekara guda daga ranar daidaituwa.
2. Lokacin da maye gurbin abubuwan da ke ciki ko anvil, kula da tsabtace sassan lamba. Bayan canza shi, gwada shi sau da yawa tare da samfurin karfe na wani rataye har sai da m darajar da aka samu sau biyu a jere iri ɗaya ne. Manufar shine a sanya inddin ko anvil da lambar sadarwar gwajin da aka tsananta da kyakkyawar lamba, don kada ya shafi daidaiton sakamakon gwajin.
3. Bayan an daidaita Hardsten Gester, lokacin da fara auna da wuya, ba a amfani da wurin gwajin farko. Don tsoron talauci tsakanin samfuri da kuma anvil, darajar da aka auna ba daidai ba ce. Bayan na farko ana gwada da wuya game da Tester ne a cikin jihar ingasen al'ada, an gwada samfurin da kuma darajar da aka auna ta.
4. Idan kayan gwajin ya ba da damar, zaɓi sassa daban-daban don gwada aƙalla dabi'u guda uku, ɗauka matsakaicin darajar, kuma ɗauki matsakaicin darajar a matsayin miyayawar gwajin.
5. Don gwaji tare da sifofi masu hade, pads na siffofi masu dacewa ya kamata a yi amfani da su, kuma ana iya gwada su bayan an gyara su. Yankin gwajin zagaye yana sanya shi a cikin tsagi na V-dimbin yawa don gwaji.
6. Kafin saukarwa, duba ko ana sanya rike da saukarwa a cikin saukar da saukarwa. A lokacin da Loading, aikin ya kamata ya zama mai haske da tsayawa, kuma kada kuyi amfani da karfi da yawa. Bayan saukar da kaya, ya kamata a sanya abin da ake amfani da shi a cikin saukar da saukar da aikin, don hana kayan aikin daga kasancewa cikin nauyin na dogon lokaci, haifar da ƙirar filastik.
Vickers, Hard Rocklol
Tauyin: Ikon kayan ne don tsayayya da kayan aikin filastik na gida, kuma ana iya auna shi ta hanyar hanyar shiga.
SAURARA: Ba za a iya canza tsauraran ayyukan da juna ba, kuma za a iya canzawa ta hanyar tauraron kwatancen.