A cikin duniyar yau na ƙirar ƙira, daidaito ya kasance mafi girman abin nema. Ko na'ura mai daidaitawa (CMM), dandamalin dakin gwaje-gwaje na gani, ko kayan aikin lithography na semiconductor, dandamalin granite dutsen ginshiƙi ne wanda babu makawa, kuma shimfidarsa kai tsaye yana ƙayyade iyakokin ma'aunin tsarin.
Mutane da yawa suna ɗauka cewa a cikin wannan zamani na ci-gaba da sarrafa kansa, dole ne a yi aikin injin dandali na granite ta hanyar injin CNC mai sarrafa kansa. Duk da haka, gaskiyar abin mamaki ne: don cimma daidaito na ƙarshe a micron ko ma matakin submicron, mataki na ƙarshe har yanzu yana dogara ne akan niƙa da hannu ta ƙwararrun masu sana'a. Wannan ba alamar koma-baya ba ce ta fasaha, sai dai babban haɗakar kimiyya, ƙwarewa, da fasaha.
Darajar niƙa da hannu ta ta'allaka ne da farko a cikin ƙarfin gyare-gyaren sa. CNC machining shine ainihin “kwafin a tsaye” dangane da ainihin kayan aikin na'urar, kuma ba zai iya daidaitawa ga ƙananan kurakurai da ke faruwa yayin aikin injiniya ba. Nika da hannu, a gefe guda, aiki ne na rufaffiyar madauki, yana buƙatar masu sana'a su ci gaba da bincika saman ƙasa ta amfani da kayan aiki kamar matakan lantarki, autocollimator, da interferometers na laser, sannan yin gyare-gyaren saman ƙasa bisa bayanan. Wannan tsari sau da yawa yana buƙatar dubban ma'auni da zagayowar gogewa kafin a tsaftata dukkan farfajiyar dandali a hankali zuwa babban matakin flatness.
Na biyu, niƙa da hannu daidai yake ba za a iya maye gurbinsa ba wajen sarrafa damuwa na ciki. Granite abu ne na halitta tare da rarraba damuwa na ciki. Yanke injina cikin sauƙi na iya rushe wannan ma'auni cikin ɗan gajeren lokaci, yana haifar da ɗan nakasu daga baya. Niƙa da hannu, duk da haka, yana amfani da ƙananan matsa lamba da ƙananan zafi. Bayan niƙa, mai sana'a yana barin aikin aikin ya huta, yana barin damuwa na cikin kayan don saki ta halitta kafin ya ci gaba da gyara. Wannan tsarin "hankali da tsayuwa" yana tabbatar da dandamali yana kiyaye daidaito akan amfani na dogon lokaci.
Bugu da ƙari kuma, manual niƙa iya haifar da isotropic surface Properties. Alamomin injin injina galibi suna fuskantar alkibla, yana haifar da bambance-bambancen juzu'i da maimaitawa a wurare daban-daban. Niƙa da hannu, ta hanyar sassauƙan dabarar mai sana'a, yana haifar da bazuwar kuma iri ɗaya na rarraba alamun lalacewa, yana haifar da daidaiton ingancin saman ƙasa a duk kwatance. Wannan yana da mahimmanci musamman ga tsarin ma'auni mai mahimmanci da motsi.
Mafi mahimmanci, granite ya ƙunshi nau'o'in ma'adanai, irin su ma'adini, feldspar, da mica, kowannensu yana da bambancin taurin. Nika na injina sau da yawa yana haifar da yankan ma'adanai masu laushi da haɓakar ma'adanai masu ƙarfi, haifar da rashin daidaituwa na microscopic. Nika da hannu, a gefe guda, ya dogara da gwaninta da jin daɗin mai sana'a. Suna iya daidaita ƙarfi da kusurwa koyaushe a lokacin aikin niƙa, haɓaka ma'auni tsakanin bambance-bambancen ma'adanai da samun ƙarin yunifofi da yanayin aiki mai jurewa.
A wata ma'ana, sarrafa madaidaicin dandamali na granite abin ban dariya ne na fasahar auna daidaitaccen zamani da fasahar gargajiya. Injin CNC suna ba da inganci da sifa mai tushe, yayin da ƙarshen flatness, kwanciyar hankali, da daidaituwa dole ne a samu da hannu. Don haka, kowane babban dandamali na granite yana kunshe da hikima da haƙurin masu sana'a na ɗan adam.
Ga masu amfani waɗanda ke bin daidaici na ƙarshe, sanin ƙimar niƙa da hannu yana nufin zabar ingantaccen abu wanda zai tsaya gwajin lokaci. Ya fi guntun dutse kawai; ginshiƙi ne don tabbatar da daidaito na ƙarshe a masana'anta da aunawa.
Lokacin aikawa: Satumba-23-2025