Pakupanga mwatsatanetsatane, kuyezetsa kafukufuku wasayansi ndi zofunikira zina zolondola pamunda, nsanja yowongoka yamphamvu yoyandama imakhala ndi gawo lofunikira kwambiri. Kusankhidwa kwa maziko a nsanja, monga kuyika mwala wapangodya kwa nyumbayo, kumagwirizana mwachindunji ndi ntchito ya nsanja. Granite precision base and mineral casting base monga zisankho ziwiri zodziwika bwino, chilichonse chili ndi zabwino zake, zotsatirazi ndikufanizirani mwatsatanetsatane kwa inu.
Kukhazikika: Kusiyana pakati pa kristalo wachilengedwe ndi gulu lochita kupanga
Maziko olondola a granite patatha zaka mamiliyoni ambiri akusintha kwachilengedwe, quartz yamkati, feldspar ndi mchere wina wothina kwambiri, kapangidwe kake ndi kowuma kwambiri komanso kofanana. Poyang'anizana ndi kusokonezedwa kwakunja, monga kugwedezeka komwe kumapangidwa ndi ntchito ya zida zazikulu zozungulira, maziko a granite ali ngati chishango cholimba, chomwe chimatha kutsekereza ndikuchepetsa, ndipo chimatha kuchepetsa kugwedezeka kwamphamvu kwapamwamba kwambiri kwa mpweya woyandama ndi oposa 80%, kupereka maziko olimba ndi okhazikika a kayendedwe kapamwamba kapamwamba. Mu semiconductor chip kupanga msonkhano, ndondomeko ya lithography ili ndi zofunikira zazikulu za kukhazikika kwa nsanja, ndipo maziko a granite amaonetsetsa kuti zipangizo za chip lithography zikuyenda bwino, zimathandiza kujambula bwino kwa chip chitsanzo, ndikuwongolera kwambiri zokolola za kupanga chip.
Malo opangira mchere amapangidwa ndi tinthu tating'onoting'ono tosakanikirana ndi binder yapadera. Mapangidwe ake amkati ndi ofananira ndipo ali ndi mawonekedwe ena akugwedera. Pochita ndi kugwedezeka wamba, kumatha kupereka malo okhazikika ogwirira ntchito papulatifomu. Komabe, poyang'anizana ndi kugwedezeka kwakukulu ndi kugwedezeka kosalekeza, kugwedezeka kwa mphamvu ya mineral casting base kumakhala kosakwanira pang'ono poyerekeza ndi maziko a granite, zomwe zingapangitse kupatuka pang'ono kwa kayendedwe ka nsanja ndikukhudza kulondola kwa ntchito yolondola kwambiri.
Kusungidwa kolondola: kulinganiza kwabwino kwachilengedwe komanso kuwongolera kochita kupanga pakukulitsa kochepa
Granite imadziwika chifukwa chochepa kwambiri pakukulitsa kutentha, nthawi zambiri 5-7 × 10⁻⁶/℃. M'malo omwe kutentha kumasinthasintha, kukula kwa maziko a granite kumasintha pang'ono. Pankhani ya zakuthambo, pulatifomu yolondola kwambiri yolumikizira magalasi a telescope imalumikizidwa ndi maziko a granite, ngakhale kusiyana kwa kutentha pakati pa usana ndi usiku kuli kofunikira, kumatha kuwonetsetsa kuti kulondola kwa lens kumasungidwa pamlingo wa submicron, kuthandiza akatswiri a zakuthambo kuti agwire kusintha kosawoneka bwino kwa matupi akuthambo.
Popanga mapangidwe a zida zopangira mchere, mawonekedwe okulitsa matenthedwe amatha kukulitsidwa ndikuwongoleredwa, ndipo coefficient of thermal expansion imatha kukhala pafupi kapena bwino kuposa granite posintha kuchuluka kwa mchere ndi zomangira. Mu zipangizo zina zoyezera kutentha, zoyezera kwambiri, mchere wa mineral cast ukhoza kukhala ndi kukula kokhazikika pamene kutentha kumasintha, kuonetsetsa kulondola kwa kayendedwe ka nsanja. Komabe, maziko a mineral casting amakhudzidwa ndi zinthu monga kukalamba kwa binder, ndipo kukhazikika kwanthawi yayitali kuyenera kuwonedwanso.
Kukhalitsa: Makhalidwe a miyala yachilengedwe yolimba kwambiri komanso kusagwirizana ndi zinthu zophatikizika
Kuuma kwa granite ndikokwera, kuuma kwa Mohs kumatha kufika 6-7, ndikukana kuvala bwino. Mu zipangizo sayansi labotale, kaŵirikaŵiri ntchito mwatsatanetsatane malo amodzi kuthamanga mpweya zoyandama nsanja, m'munsi mwake mwachisangalalo akhoza bwino kukana kutayika kwa nthawi yaitali mikangano, poyerekeza ndi m'munsi wamba, akhoza kuwonjezera mkombero kukonza nsanja ndi oposa 50%, kuchepetsa ndalama kukonza zipangizo, ndi kuonetsetsa kupitiriza ntchito kafukufuku wa sayansi. Komabe, zida za granite zimakhala zolimba komanso zosavuta kuthyoka zikakhudzidwa mwangozi.
Ma mineral casting base ali ndi mawonekedwe abwino kwambiri oletsa kutopa, omwe amatha kuthana ndi kutopa ndikusunga umphumphu pakapita nthawi yayitali yobwerezabwereza ya pulatifomu yoyandama ya static pressure air. Nthawi yomweyo, imakhala ndi kukana kwina kwa mankhwala ambiri, ndipo m'malo okhala ndi chiwopsezo chochepa cha dzimbiri lamankhwala, imakhala yolimba kuposa maziko a granite. Komabe, m'malo ovuta kwambiri monga chinyezi chambiri, chomangira mu mineral cast base chimakhudzidwa, ndikuchepetsa kulimba kwake.
Kuvuta kwa kupanga ndi kukonza zovuta: Zovuta za miyala yachilengedwe komanso zopangira zopangira
Migodi ndi mayendedwe a granite zopangira ndizovuta, ndipo kukonza kumafuna zida zapamwamba kwambiri ndiukadaulo. Chifukwa cha kuuma kwake kwakukulu ndi kuphulika kwake, n'zosavuta kukhala ndi mavuto monga kugwa kwa m'mphepete ndi ming'alu ya kudula, kugaya, kupukuta ndi njira zina, ndipo chiwerengero cha zidutswa zimakhala zokwera kwambiri, zomwe zimapangitsa kuti pakhale ndalama zambiri zopangira.
Kupanga mineral casting base kumafuna nkhungu yeniyeni ndi ndondomeko, ndipo mtengo woyambirira wa nkhungu ndi wokwera, koma nkhungu ikangopangidwa, kupanga misala kungathe kutheka ndipo mtengo wa unit ukhoza kuchepetsedwa. Kukonzekera kwake ndikosavuta poyerekeza ndi granite, ndipo kumatha kukwaniritsa zofunikira kwambiri pogwiritsira ntchito makina opangira makina, ndipo kumakhala ndi mwayi wokwera mtengo pazochitika zazikulu zogwiritsira ntchito.
Nthawi yotumiza: Apr-10-2025