;
A fannin kera da duba daidai, aikin nakasar zafi na kayan aiki shine babban abin da ke tantance daidaito da amincin kayan aiki. Granite da ƙarfen siminti, a matsayin kayan aiki guda biyu da ake amfani da su a masana'antu, sun jawo hankali sosai game da bambance-bambancen aikinsu a yanayin zafi mai yawa. Don nuna halayen nakasar zafi na duka biyun a zahiri, mun yi amfani da ƙwararren mai ɗaukar hoto na zafi don gudanar da gwaje-gwajen aiki na awanni 8 a kan dandamalin granite da ƙarfen siminti iri ɗaya, yana bayyana ainihin bambance-bambancen ta hanyar bayanai da hotuna.
Tsarin gwaji: Kwaikwayi yanayin aiki mai tsauri da kuma kama bambance-bambance daidai
Don wannan gwajin, an zaɓi dandamalin granite da ƙarfe masu girman 1000mm × 600mm × 100mm. A cikin yanayin aikin masana'antu da aka kwaikwayi (zafin jiki 25±1℃, danshi 50% ± 5%), ta hanyar rarraba hanyoyin zafi daidai a saman dandamali (kwaikwayi samar da zafi yayin aikin kayan aiki), dandamalin yana aiki akai-akai a kan ƙarfin 100W na tsawon awanni 8. An yi amfani da na'urar daukar hoton zafi ta FLIR T1040 (tare da ƙudurin zafin jiki na 0.02℃) da kuma firikwensin motsi na laser mai inganci (tare da daidaito na ± 0.1μm) don sa ido kan rarraba zafin jiki da nakasawar saman dandamali a ainihin lokaci, kuma an rubuta bayanan sau ɗaya a kowane minti 30.
Sakamakon da aka auna: Ka yi tunanin bambancin zafin jiki sannan ka auna gibin nakasa
Bayanan da aka samu daga na'urar daukar hoton zafi sun nuna cewa bayan da dandamalin ƙarfen simintin ya yi aiki na tsawon awa ɗaya, matsakaicin zafin saman ya kai 42℃, wanda ya fi 17℃ girma fiye da zafin farko. Bayan awanni takwas, zafin ya tashi zuwa 58℃, kuma rarrabawar yanayin zafi daban-daban ta bayyana, tare da bambancin zafin jiki na 8℃ tsakanin gefen da tsakiya. Tsarin dumama dandamalin granite ya fi laushi. Zafin jiki yana tashi zuwa 28℃ kawai bayan awa 1 kuma yana daidaitawa a 32℃ bayan awanni 8. Ana sarrafa bambancin zafin saman cikin 2℃.
A cewar bayanan nakasuwa, cikin awanni 8, nakasuwa a tsaye a tsakiyar dandamalin ƙarfen simintin ya kai 0.18mm, kuma nakasuwa a gefen shine 0.07mm. Sabanin haka, matsakaicin nakasuwa na dandamalin dutse shine 0.02mm kawai, ƙasa da 1/9 na na ƙarfen siminti ...
Binciken ƙa'ida: Sifofin abu suna ƙayyade bambance-bambancen da ke tattare da nakasar zafi
Tushen abin da ke haifar da gagarumin lalacewar zafin ƙarfen siminti yana cikin babban adadin faɗaɗa zafinsa (kimanin 10-12 × 10⁻⁶/℃), da kuma rarrabawar graphite a ciki ba daidai ba, wanda ke haifar da saurin watsa zafi mara daidaituwa da kuma samuwar yawan damuwa na zafi na gida. A halin yanzu, ƙarfen siminti yana da ƙarancin ƙarfin zafi, kuma zafinsa yana ƙaruwa da sauri lokacin da yake shan irin wannan adadin zafi. Sabanin haka, yawan faɗaɗa zafin jiki na granite shine kawai (4-8) × 10⁻⁶/℃. Tsarin lu'ulu'unsa yana da yawa kuma iri ɗaya ne, tare da ƙarancin ingancin watsa zafi da aka rarraba daidai. Tare da babban halayen ƙarfin zafi, har yanzu yana iya kiyaye daidaiton girma a cikin yanayin zafi mai yawa.
Wayar da kan aikace-aikace: Zabi yana ƙayyade daidaito, kwanciyar hankali yana haifar da ƙima
A cikin kayan aiki kamar kayan aikin injin daidaitacce da injunan aunawa masu daidaitawa uku, nakasar zafi na tushen ƙarfen siminti na iya haifar da kurakurai a sarrafawa ko dubawa, wanda ke shafar yawan samfuran da suka cancanta. Tushen dutse, tare da ingantaccen kwanciyar hankali na zafi, zai iya tabbatar da cewa kayan aikin suna kiyaye daidaito sosai yayin aiki na dogon lokaci. Bayan wani kamfanin kera sassan motoci ya maye gurbin dandamalin ƙarfen siminti da dandamalin dutse, ƙimar kuskuren girman sassan daidaitacce ya ragu daga 3.2% zuwa 0.8%, kuma ingancin samarwa ya karu da 15%.
Ta hanyar gabatarwa mai sauƙi da kuma auna ma'aunin hoton zafi, bambancin da ke tsakanin granite da ƙarfen siminti yana bayyana nan take. A cikin masana'antar zamani da ke bin cikakken daidaito, zaɓar kayan granite masu ƙarfi da kwanciyar hankali na zafi babu shakka mataki ne mai kyau don haɓaka aikin kayan aiki da tabbatar da ingancin samfur.
Lokacin Saƙo: Mayu-24-2025