Granite VS simintin ƙarfe: Bambanci a cikin nakasar zafi tsakanin kayan biyu bayan ci gaba da aiki har tsawon sa'o'i 8 an auna ta ta amfani da hoton zafi.

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A fagen madaidaicin masana'anta da dubawa, aikin nakasar thermal na kayan abu ne mai mahimmanci wanda ke ƙayyade daidaito da amincin kayan aiki. Granite da simintin ƙarfe, azaman kayan masarufi guda biyu da ake amfani da su na yau da kullun, sun ja hankalin mutane da yawa don bambance-bambancen aikinsu a cikin yanayin zafi mai zafi. Don gabatar da hangen nesa da halayen nakasawar thermal na duka biyun, mun yi amfani da ƙwararren mai ɗaukar hoto na thermal don gudanar da gwaje-gwajen aiki na sa'o'i 8 na ci gaba akan granite da simintin ƙarfe na ƙayyadaddun ƙayyadaddun abubuwa guda ɗaya, suna bayyana ainihin bambance-bambance ta hanyar bayanai da hotuna. ;

Ƙirar gwaji: Kwatanta yanayin aiki mai tsauri da kama bambance-bambance daidai
Don wannan gwaji, an zaɓi dandamali na granite da simintin ƙarfe tare da girman 1000mm × 600mm × 100mm. A cikin yanayin yanayin bita na masana'antu (zazzabi 25 ± 1 ℃, zafi 50% ± 5%), ta hanyar rarraba tushen zafi a ko'ina a kan dandamali (wanda ke kwaikwayon yanayin zafi a lokacin aikin kayan aiki), dandamali ya ci gaba da aiki a ikon 100W don 8 hours. Ana amfani da FLIR T1040 thermal Hoton (tare da ƙudurin zafin jiki na 0.02 ℃) da madaidaicin firikwensin motsi na Laser (tare da daidaito na ± 0.1μm) don saka idanu da rarraba zafin jiki da nakasar dandalin dandamali a ainihin lokacin, kuma an rubuta bayanan sau ɗaya kowane minti 30. ;
Sakamakon aunawa: Yi tunanin bambancin zafin jiki kuma ƙididdige gibin nakasar
Bayanan da aka samu daga mai hoton thermal sun nuna cewa bayan dandalin simintin ƙarfe ya yi aiki na awa ɗaya, matsakaicin zafin jiki ya kai 42 ℃, wanda shine 17 ℃ sama da zafin jiki na farko. Sa'o'i takwas bayan haka, zafin jiki ya tashi zuwa 58 ℃, kuma wani nau'in zafin jiki na musamman ya bayyana, tare da bambancin zafin jiki na 8 ℃ tsakanin gefen da tsakiya. Tsarin dumama na dandalin granite ya fi sauƙi. Zazzabi kawai yana tashi zuwa 28 ℃ bayan awa 1 kuma yana daidaitawa a 32 ℃ bayan sa'o'i 8. Ana sarrafa bambancin zafin jiki a cikin 2 ℃. ;
Dangane da bayanan nakasawa, a cikin sa'o'i 8, nakasar tsaye a tsakiyar tsakiyar dandalin simintin ƙarfe ya kai 0.18mm, kuma nakasar warping a gefen ya kasance 0.07mm. Sabanin haka, matsakaicin nakasar dandalin granite shine kawai 0.02mm, ƙasa da 1/9 na na simintin ƙarfe ɗaya. Ainihin lanƙwan na'urar firikwensin motsi na Laser shima yana tabbatar da wannan sakamakon: Lalacewar dandali na simintin ƙarfe yana jujjuyawa sosai, yayin da labulen dandali na granite ya kusa tsayayye, yana nuna ƙarfin ƙarfin zafi. ;
Binciken ƙa'ida: Kaddarorin kayan aiki suna ƙayyade bambance-bambancen nakasar thermal
Tushen babban nakasar simintin ƙarfe na simintin ƙarfe ya ta'allaka ne a cikin ingantacciyar madaidaicin haɓakar haɓakar thermal (kimanin 10-12 × 10⁻⁶/℃), da kuma rarrabawar graphite mara daidaituwa a ciki, yana haifar da saurin tafiyar zafi da rashin daidaituwar yanayin zafi na gida. A halin yanzu, simintin ƙarfe yana da ƙarancin ƙayyadaddun ƙarfin zafi, kuma zafinsa yana ƙaruwa da sauri lokacin ɗaukar adadin zafi iri ɗaya. Sabanin haka, ƙimar haɓakar haɓakar thermal na granite shine kawai (4-8) × 10⁻⁶/℃. Tsarinsa na crystal yana da yawa kuma iri ɗaya ne, tare da ƙarancin ingancin gudanarwar zafi a ko'ina. Haɗe tare da ƙayyadaddun yanayin ƙarfin zafi na musamman, har yanzu yana iya kiyaye kwanciyar hankali a cikin yanayi mai zafi. ;
Fahimtar aikace-aikacen: Zaɓi yana ƙayyade daidai, kwanciyar hankali yana haifar da ƙima
A cikin kayan aiki kamar ingantattun kayan aikin inji da injunan aunawa guda uku, nakasar zafi na sansanonin ƙarfe na simintin ƙarfe na iya haifar da kurakuran sarrafawa ko dubawa, yana shafar samar da ingantattun samfuran. Tushen granite, tare da ingantaccen kwanciyar hankali na thermal, na iya tabbatar da cewa kayan aikin suna kiyaye daidaitattun daidaito yayin aiki na dogon lokaci. Bayan da wasu masana'antun kera kayan kera motoci suka maye gurbin dandalin simintin ƙarfe tare da dandali na granite, ƙimar girman kuskuren daidaitattun sassa ya ragu daga 3.2% zuwa 0.8%, kuma ingancin samarwa ya ƙaru da kashi 15%. ;
Ta hanyar gabatarwar fahimta da ma'aunin ma'aunin mai hoto na thermal, bambanci na nakasar zafi tsakanin granite da simintin ƙarfe yana bayyana nan da nan. A cikin masana'antu na zamani waɗanda ke bin ainihin madaidaicin, zabar kayan granite tare da kwanciyar hankali mai ƙarfi ba shakka shine mataki mai hikima don haɓaka aikin kayan aiki da tabbatar da ingancin samfur.