Ta yaya dandali na gani na granite zai iya samun kwanciyar hankali na kusurwa na 0.01μrad?

A cikin fagagen ingantattun gwaje-gwajen gani da kuma masana'antu masu tsayi, kwanciyar hankali a kusurwa a matakin 0.01μrad shine mabuɗin alama. Matakan gani na Granite, tare da kaddarorinsu na kayan aiki da haɗin gwiwar fasaha, sun zama ainihin mai ɗaukar hoto don cimma daidaito mai zurfi.

Abubuwan da ke tattare da kayan sun kafa tushe mai tushe. Granite, a matsayin dutsen da ba a taɓa gani ba wanda ilimin kimiyyar ƙasa ya yi sama da ɗaruruwan miliyoyin shekaru, ya shahara saboda ƙarancin haɓakar haɓakar yanayin zafi, wanda rabin na ƙarfe ne kawai da kashi ɗaya cikin huɗu na aluminium. Lokacin da zafin jiki ya canza da 1 ℃, ɓangaren granite mai tsayin mita 1 yana faɗaɗa da micrometers 6 kawai, yayin da ɓangaren aluminum yana faɗaɗa da 23 micrometers. Wannan yadda ya kamata ya guje wa karkacewar angular da ke haifar da nakasar thermal. A halin yanzu, kyakkyawan aikin damping ɗin sa na iya saurin rage girgizar waje, ajiye dandamali a cikin yanayin da ya dace da rage tsangwama tare da abubuwan gani.

Madaidaicin ƙirar tsari yana haɓaka rigidity. Dandali na gani na granite, bayan ingantaccen tsarin ƙirar injina, ya inganta ƙarfin gaske kuma yana iya tsayayya da nakasar kaya yadda ya kamata. Daidaitaccen sarrafa saman sa ya kai matakin farko a cikin masana'antar. Ɗaukar daidaiton matakin 00 wanda ya dace da ma'aunin GB4987-85 a matsayin misali, haƙurin kwanciyar hankali shine kawai 2 × (1 + d/1000) μm (d shine tsayin diagonal), yana ba da madaidaicin shigarwa mai faɗi don kayan aikin gani.

Ana samun daidaitawa mai ƙarfi ta hanyar haɗin gwiwar fasaha. Lokacin da aka sanye shi da na'urorin keɓewar ci-gaban jijjiga kamar maɓuɓɓugan iska ko levitation na maganadisu, dandali na granite na iya keɓe ƙananan mitoci da girgizar ƙasa mai ƙarfi. Ƙaddamar da kayan aikin auna madaidaici kamar na'urar interferometer na Laser, ana lura da canje-canjen kusurwa a cikin ainihin lokaci. Da zarar karkacewar ya wuce madaidaicin 0.01μrad, tsarin kula da martani nan da nan yana fitar da ingantacciyar hanyar daidaitawa don gyara don tabbatar da cewa dandamali koyaushe yana cikin madaidaici da kwanciyar hankali.

Daga ainihin kayan zuwa ƙarfin fasaha, dandamali na gani na granite, tare da kwanciyar hankali na thermal, juriya na rawar jiki da fa'idodin sarrafa daidaitaccen asalin sa, haɗe tare da fasahar sarrafawa ta hankali, ya sami nasarar karye ta hanyar daidaitaccen madaidaicin 0.01μrad kuma ana amfani dashi ko'ina cikin yankan-baki filayen kamar photolithography, aunawa da Laser bincike da kuma aunawa da Laser proservation. madaidaicin na'urorin gani zuwa sabon tsayi.