Okokuqala, iingenelo zesiseko segranite
Ukuqina okuphezulu kunye nokuguqulwa kwe-thermal ephantsi
Ubuninzi begranite buphezulu (malunga ne-2.6-2.8 g/cm³), kwaye imodyuli ye-Young's inokufikelela kwi-50-100 GPa, igqithise kakhulu kwizinto eziqhelekileyo zentsimbi. Oku kuqina okuphezulu kunokuthintela ngokufanelekileyo ukungcangcazela kwangaphandle kunye nokuguqulwa komthwalo, kunye nokuqinisekisa ukunyameka kwesikhokelo sokudada emoyeni. Ngelo xesha, i-coefficient yokwandisa i-linear ye-granite iphantsi kakhulu (malunga ne-5 × 10⁻⁶ / ℃), kuphela i-1/3 ye-aluminium alloy, phantse akukho deformation ye-thermal kwindawo yokuguquguquka kweqondo lokushisa, ngokukodwa ifanelekileyo kwiilabhoratri zokushisa rhoqo okanye imiboniso zoshishino kunye nokwahlukana okukhulu kobushushu phakathi kwemini nobusuku.
Ukusebenza kakuhle kokudambisa
Isakhiwo se-polycrystalline se-granite senza ukuba sibe neempawu zendalo zokudambisa, kwaye ixesha lokunciphisa i-vibration li-3-5 ngokukhawuleza kunelo lentsimbi. Kwinkqubo yokuchaneka kwe-machining, inokuthatha ngokufanelekileyo ukungcangcazela kwe-high-frequency vibration njengokuqala kwemoto kunye nokuyeka, ukusika isixhobo, kunye nokuphepha impembelelo ye-resonance ekumiseni ukuchaneka kweqonga elihambayo (ixabiso eliqhelekileyo ukuya kwi-± 0.1μm).
Uzinzo olude lwexesha elide
Emva kwamakhulu ezigidi zeminyaka yeenkqubo ze-geological zenze i-granite, uxinzelelo lwayo lwangaphakathi lukhululwe ngokupheleleyo, kungekhona njengezinto zetsimbi ngenxa yoxinzelelo olushiyekileyo olubangelwa yi-deformation ecothayo. Idatha yovavanyo ibonisa ukuba utshintsho lobungakanani besiseko segranite singaphantsi kwe-1μm / m ngexesha le-10 leminyaka, elingcono kakhulu kunelo lentsimbi okanye izakhiwo zensimbi ezidibeneyo.
Inganyangeki kumhlwa kwaye ayinakugcinwa
I-Granite kwi-asidi kunye ne-alkali, i-oyile, ukufuma kunye nezinye izinto zokusingqongileyo zinonyamezelo oluqinileyo, akukho mfuneko yokugqoka i-anti-rust layer rhoqo njengesiseko sesinyithi. Emva kokusila kunye nokupholisa, uburhabaxa bomhlaba bunokufikelela kwi-Ra 0.2μm okanye ngaphantsi, enokusetyenziswa ngokuthe ngqo njengendawo yokuthwala i-air float guide train ukunciphisa iimpazamo zendibano.
Okwesibini, ukulinganiselwa kwesiseko segranite
Ukucwangcisa ubunzima kunye nengxaki yeendleko
I-Granite inobunzima be-Mohs ye-6-7, ifuna ukusetyenziswa kwezixhobo zedayimane zokugaya ngokuchanekileyo, ukusebenza kakuhle kwe-1/5 kuphela yezixhobo zetsimbi. Isakhiwo esiyinkimbinkimbi se-dovetail groove, imingxuma enemisonto kunye nezinye iimpawu zeendleko zokucubungula ziphezulu, kwaye umjikelo wokucubungula ixesha elide (umzekelo, ukusetyenzwa kweqonga le-2m×1m kuthatha ngaphezu kweeyure ezingama-200), okubangela ukuba ixabiso lilonke liyi-30% -50% ephezulu kune-platform ye-aluminium alloy.
Umngcipheko wokwaphuka
Nangona amandla oxinzelelo anokufikelela kwi-200-300MPa, amandla okuqina egranite yi-1/10 kuphela yawo. Ukuqhekeka kwe-Brittle kulula ukwenzeka phantsi komthwalo ogqithisiweyo wempembelelo, kwaye umonakalo kunzima ukuwulungisa. Kuyimfuneko ukuphepha ukugxininiswa koxinzelelo ngoyilo lwesakhiwo, njengokusebenzisa iinguqu zekona ezijikelezileyo, ukwandisa inani leengongoma zenkxaso, njl.
Ubunzima buzisa imida yenkqubo
Ubuninzi be-granite buphindwe ka-2.5 kune-aluminium alloy, okukhokelela ekunyuseni okukhulu kubunzima beqonga. Oku kubeka imfuneko ephezulu kumandla okuthwala kwesakhiwo sokuxhasa, kwaye ukusebenza okuguquguqukayo kunokuchaphazeleka kwiingxaki ze-inertia kwiimeko ezifuna ukunyakaza kwesantya esiphezulu (njenge-lithography wafer table).
I-anisotropy yezinto eziphathekayo
Ukusabalalisa i-particle ye-mineral ye-granite yendalo iyalathiswa, kwaye ubunzima kunye ne-thermal coefficient yokwandisa izikhundla ezahlukeneyo zihluke kancinci (malunga ne-± 5%). Oku kunokwazisa iimpazamo ezingabonakaliyo kwiiplatifti ze-ultra-precision (ezifana ne-nanoscale positioning), ezifuna ukuphuculwa ngokukhethwa kwezinto ezingqongqo kunye nonyango lwe-homogenization (njenge-calcination ephezulu yokushisa).
Njengenxalenye ephambili yezixhobo zemizi-mveliso ezichanekileyo, ukuchaneka koxinzelelo lwe-static iqonga lomoya elidadayo lisetyenziswa ngokubanzi kwimveliso ye-semiconductor, ukusetyenzwa kwamehlo, umlinganiselo ochanekileyo kunye neminye imimandla. Ukukhethwa kwezinto ezisisiseko kuchaphazela ngokuthe ngqo ukuzinza, ukuchaneka kunye nobomi benkonzo yeqonga. I-Granite (i-granite yendalo), kunye neempawu zayo ezibonakalayo ezibonakalayo, ziye zaba yinto eyaziwayo kwiziseko ezinjalo zeqonga kwiminyaka yamuva.
Ixesha lokuposa: Apr-09-2025