Na farko, abũbuwan amfãni daga granite tushe
Babban rigidity da ƙananan nakasar thermal
Girman granite yana da girma (kimanin 2.6-2.8 g/cm³), kuma ma'aunin Matasa na iya kaiwa 50-100 GPa, wanda ya zarce na kayan ƙarfe na yau da kullun. Wannan babban tsayin daka zai iya hana girgizawar waje da nakasar kaya yadda ya kamata, da kuma tabbatar da shimfidar jagorar iyo ta iska. A daidai wannan lokaci, da mikakke fadada coefficient na granite ne sosai low (game da 5 × 10⁻⁶ / ℃), kawai 1/3 na aluminum gami, kusan babu thermal nakasawa a cikin zafin jiki hawa da sauka yanayi, musamman dace da akai zazzabi dakunan gwaje-gwaje ko masana'antu al'amuran da babban zafin jiki bambanci tsakanin dare da rana.
Kyakkyawan aikin damping
Tsarin polycrystalline na granite yana sanya shi yana da halaye na damping na halitta, kuma lokacin attenuation na girgiza yana da sauri sau 3-5 fiye da na karfe. A cikin aiwatar da mashin daidaitattun mashin ɗin, yana iya ɗaukar tasirin girgiza mai ƙarfi kamar farawa da tsayawar mota, yanke kayan aiki, da guje wa tasirin rawa akan daidaiton matsayi na dandamali mai motsi (ƙimar ta yau da kullun har zuwa ± 0.1μm).
kwanciyar hankali na tsawon lokaci
Bayan daruruwan miliyoyin shekaru na tafiyar matakai na kasa da aka kafa granite, an sake sakin damuwa na ciki gaba daya, ba kamar kayan karfe ba saboda ragowar damuwa da ke haifar da jinkirin nakasawa. Bayanan gwaji sun nuna cewa girman canjin granite tushe bai wuce 1μm/m a cikin shekaru 10 ba, wanda ya fi na simintin simintin gyare-gyare ko welded karfe tsarin.
Mai jurewa lalata kuma babu kulawa
Granite zuwa acid da alkali, man fetur, danshi da sauran abubuwan muhalli suna da juriya mai karfi, babu buƙatar yin suturar daɗaɗɗen tsatsa kamar akai-akai a matsayin tushe na karfe. Bayan niƙa da gogewa, ƙarancin saman zai iya isa Ra 0.2μm ko ƙasa da haka, wanda za'a iya amfani dashi kai tsaye azaman madaidaicin saman titin jagorar iyo don rage kurakuran taro.
Na biyu, iyakancewar tushe na granite
Wahalar sarrafawa da matsalar tsada
Granite yana da taurin Mohs na 6-7, yana buƙatar amfani da kayan aikin lu'u-lu'u don niƙa daidai, ingantaccen aiki shine kawai 1/5 na kayan ƙarfe. Complex tsarin na dovetail tsagi, threaded ramukan da sauran fasali na aiki kudin ne high, da kuma aiki sake zagayowar yana da tsawo (alal misali, da aiki na 2m × 1m dandamali daukan fiye da 200 hours), sakamakon da overall kudin ne 30% -50% mafi girma fiye da aluminum gami dandamali.
Hadarin karaya
Kodayake ƙarfin matsawa zai iya kaiwa 200-300MPa, ƙarfin ƙarfin granite shine kawai 1/10 nasa. Karyewar karyewa yana da sauƙin faruwa a ƙarƙashin matsanancin tasirin tasiri, kuma lalacewar yana da wahalar gyarawa. Wajibi ne a guje wa ƙaddamar da damuwa ta hanyar ƙirar tsari, kamar yin amfani da sauye-sauye na kusurwa, ƙara yawan adadin tallafi, da dai sauransu.
Nauyi yana kawo iyakokin tsarin
Girman granite shine sau 2.5 fiye da na aluminum gami, wanda ke haifar da karuwa mai yawa a cikin ma'aunin nauyi na dandamali. Wannan yana sanya buƙatu mafi girma akan ƙarfin ɗaukar nauyin tsarin tallafi, kuma aiki mai ƙarfi na iya shafar matsalolin rashin aiki a cikin al'amuran da ke buƙatar motsi mai sauri (kamar teburin wafer na lithography).
Anisotropy abu
Rarraba barbashi na ma'adinai na granite na halitta shine jagora, kuma taurin da haɓaka haɓakar thermal na wurare daban-daban sun ɗan bambanta (kusan ± 5%). Wannan na iya gabatar da kurakuran da ba a saka su ba don dandamali masu madaidaici (kamar matsayi na nanoscale), waɗanda ke buƙatar haɓakawa ta zaɓin zaɓin abu mai tsauri da maganin homogenization (kamar ƙididdigar zafin jiki mai ƙarfi).
A matsayin core bangaren high-madaidaici masana'antu kayan aiki, madaidaicin matsa lamba iska iyo dandamali da ake amfani da ko'ina a semiconductor masana'antu, Tantancewar aiki, daidaici auna da sauran filayen. Zaɓin kayan tushe kai tsaye yana rinjayar kwanciyar hankali, daidaito da rayuwar sabis na dandamali. Granite (granite na halitta), tare da kaddarorinsa na musamman na zahiri, ya zama sanannen abu don irin wannan tushen dandamali a cikin 'yan shekarun nan.
Lokacin aikawa: Afrilu-09-2025