A cikin ma'auni na ma'auni, ma'auni mai mahimmanci na granite tare da kyakkyawan kwanciyar hankali, tsayin daka da kuma juriya mai kyau, ya zama madaidaicin tushe na tallafi don yawancin ma'auni mai mahimmanci. Koyaya, canjin yanayin zafi a cikin abubuwan muhalli, kamar "madaidaicin kisa" da ke ɓoye a cikin duhu, yana da tasirin da ba a kula da shi ba akan ma'aunin daidaitaccen dandamali na granite. Yana da mahimmanci don bincika tasirin tasirin zurfi don tabbatar da daidaito da amincin aikin aunawa.
Ko da yake an san granite don kwanciyar hankali, ba shi da kariya ga canjin yanayin zafi. Babban abubuwan da ke tattare da shi sune ma'adini, feldspar da sauran ma'adanai, waɗanda zasu haifar da haɓakar zafi da haɓaka yanayi a yanayin zafi daban-daban. Lokacin da yanayin zafi ya tashi, granite madaidaicin dandamali yana zafi kuma yana faɗaɗa, kuma girman dandalin zai canza kadan. Lokacin da zafin jiki ya faɗi, zai koma baya zuwa yanayinsa na asali. Ana iya ƙara girman canje-canjen ƙananan girman zuwa mahimman abubuwan da ke shafar sakamakon ma'auni a cikin ma'aunin ma'auni daidai.
Ɗaukar haɗin gwiwar kayan aikin gama gari wanda ya dace da dandali a matsayin misali, a cikin aikin ma'auni mai tsayi, ƙimar daidaiton ma'aunin sau da yawa yakan kai matakin micron ko ma mafi girma. An zaci cewa a daidaitattun zafin jiki na 20 ℃, da daban-daban girma sigogi na dandali ne a cikin wani manufa jihar, da kuma cikakken bayanai za a iya samu ta aunawa da workpiece. Lokacin da yanayin yanayi ya canza, yanayin ya bambanta sosai. Bayan babban adadin kididdigar bayanan gwaji da bincike na ka'idar, a ƙarƙashin yanayi na al'ada, canjin yanayin yanayi na 1 ℃, faɗaɗa madaidaiciya ko ƙanƙancewar dandamali na daidaitaccen granite yana kusan 5-7 × 10⁻⁶ / ℃. Wannan yana nufin cewa don dandalin granite tare da tsayin gefen mita 1, tsayin gefen zai iya canzawa ta 5-7 microns idan yanayin zafi ya canza ta 1 ° C. A cikin ma'auni daidai, irin wannan canji a girman ya isa ya haifar da kurakuran ma'auni fiye da iyakar yarda.
Don aikin aunawa da ake buƙata ta matakan daidaito daban-daban, tasirin tasirin canjin zafin jiki shima ya bambanta. A cikin ma'auni na daidaitaccen ma'auni, kamar girman girman sassan injin, idan kuskuren ma'aunin da aka yarda yana cikin ± 20 microns, bisa ga lissafin haɓaka haɓaka na sama, canjin zafin jiki yana buƙatar sarrafa shi a cikin kewayon ± 3-4 ℃, don sarrafa kuskuren ma'auni wanda canjin girman dandamali ya haifar a matakin yarda. A cikin yankunan da ke da madaidaicin buƙatun, kamar ma'aunin tsarin lithography a cikin masana'antar guntu na semiconductor, an ba da izinin kuskuren a cikin ± 1 micron, kuma canjin zafin jiki yana buƙatar kulawa sosai a cikin ± 0.1-0.2 ° C. Da zarar canjin zafin jiki ya wuce wannan bakin kofa, haɓakar thermal da ƙanƙancewa na ma'aunin dutse na iya haifar da ɓarna a cikin masana'anta.
Don magance tasirin canjin yanayi na yanayi akan ma'aunin ma'aunin ma'aunin granite, galibi ana ɗaukar matakan da yawa a cikin aiki mai amfani. Alal misali, ana shigar da kayan aikin zafin jiki na yau da kullun a cikin yanayin aunawa don sarrafa canjin zafin jiki a cikin ƙaramin yanki; Ana aiwatar da ramuwar zafin jiki akan bayanan ma'auni, kuma ana gyara sakamakon ma'aunin ta hanyar software algorithm bisa ga ma'aunin haɓaka yanayin zafi na dandamali da canje-canjen zafin jiki na ainihin lokacin. Koyaya, ko wane irin matakan da aka ɗauka, ingantaccen fahimtar tasirin canjin yanayi na yanayi akan ma'aunin ma'aunin madaidaicin granite shine jigo na tabbatar da ingantaccen aikin ma'aunin abin dogaro.
Lokacin aikawa: Afrilu-03-2025