Ukukhethwa kwezinto eziyisisekelo kudlala indima ebalulekile ekwakhiweni kwamamojula okunyakaza okunembe kakhulu. Izisekelo zokunemba ze-Granite nezisekelo zokuphonsa amaminerali, njengezinketho ezimbili eziyinhloko, ngayinye inezici ezihlukile ezihluke kakhulu mayelana nokuzinza, ukugcinwa kokunemba, ukuqina, kanye nezindleko.
Ukuzinza: Ukuminyana kwemvelo kuqhathaniswa nezinhlanganisela zokwenziwa
Ngemva kwezigidi zeminyaka yokuguqulwa kokwakheka komhlaba, igwadle lakha isakhiwo esiminyene kakhulu nesifanayo ngokusebenzisa isibopho semvelo se-quartz, i-feldspar, namanye amaminerali. Ezindaweni zezimboni lapho okokusebenza okukhulu kukhiqiza ukudlidliza okuqinile, ukwakheka kwekristalu eyinkimbinkimbi yegwalagwala sikudambisa ngempumelelo lezi ziphazamiso, kunciphise i-amplitude yokudlidliza edluliselwe kumamojula anyakazayo antantayo aphezulu ngokunemba ngaphezu kuka-80%. Lokhu kuqinisekisa ukusebenza okushelelayo phakathi nokucubungula okunembayo noma imisebenzi yokuhlola, njengokuphethini okunembile kwama-chips we-elekthronikhi ezinqubweni ze-photolithography.
Izisekelo zokujikijela amaminerali zenziwe ngezinhlayiya zamaminerali ezixutshwe nezibophezelo ezikhethekile, okuholela esakhiweni sangaphakathi esifanayo esinezici ezinhle zokudambisa ukudlidliza. Nakuba ehlinzeka ngokubhafa okuphumelelayo kokudlidliza okuvamile futhi kwakheka indawo yokusebenza ezinzile yamamojula anyakazayo antantayo aphezulu kakhulu, ukusebenza kwawo ngaphansi kokuqina okuphezulu, ukudlidliza okuqhubekayo kungaphansi kancane kunezisekelo zegwadle. Lo mkhawulo ungase wethule ukungalungi okuncane ezinhlelweni zokusebenza ezinembe kakhulu.
Ukugcinwa Kokunemba: Ukunwetshwa okuphansi kwemvelo kuqhathaniswa nokufinyela okulawulwayo
I-Granite idume nge-coefficient yayo ephansi ngokuhlukile yokunwetshwa kokushisa (imvamisa 5–7 × 10⁻⁶/°C). Ngisho nasezindaweni ezinokushintshashintsha kwezinga lokushisa okuphawulekayo, izisekelo zokunemba ze-granite zibonisa izinguquko ezincane zobukhulu. Isibonelo, ezinhlelweni zesayensi yezinkanyezi, amamojula anyakazayo asuselwa ku-granite-based air-floating ultra-precision motion aqinisekisa ukunemba kokuma kwelensi yeleveli ye-submicron yezibonakude, okwenza izazi zezinkanyezi zithwebule imininingwane eyinkimbinkimbi yendikimba yasezulwini ekude.
Izinto zokujikijela amaminerali zingakhiwa ukuze kuthuthukiswe futhi kulawulwe izici zokunweba ezishisayo, kuzuzwe ama-coefficient aqathaniswa noma aphansi ngisho nalawo egwadle. Lokhu kubenza bafanelekele okokusebenza kokulinganisa okunembe kakhulu okuzwela izinga lokushisa. Nokho, ukuzinza kwesikhathi eside kokunemba kwazo kusalokhu kungaphansi kokuqinisekiswa ngenxa yezinto ezifana nokuguga kwe-binder, okungase kuholele ekuncipheni kokusebenza phakathi nezikhathi ezinwetshiwe zokusetshenziswa.
Ukuqina: Ukuqina okuphezulu kwetshe lemvelo ngokumelene nezinhlanganisela ezimelana nokukhathala
Ukuqina okuphezulu kwe-Granite (isikali se-Mohs: 6–7) kunikeza ukumelana nokugqokwa okuhle kakhulu. Kulabhorethri yesayensi yezinto ezibonakalayo, izisekelo zegwadle zamamojula anyakazayo antantayo aphezulu kakhulu asebenza kanzima ukumelana nokungqubuzana okude okuvela kuzilayidi, okunweba imijikelezo yokulungisa ngaphezu kuka-50% uma kuqhathaniswa nezisekelo ezivamile. Ngaphandle kwale nzuzo, ukuqina kwegwadle kubangela ingozi yokuphuka lapho kube nomthelela wengozi.
Izisekelo zokujikijela amaminerali zibonisa izici eziphakeme zokulwa nokukhathala, zigcina ubuqotho besakhiwo phakathi nokunyakaza okuphindaphindayo okunemvamisa ephezulu kwamamojula antantayo komoya anembile kakhulu. Ukwengeza, akhombisa ukumelana nokugqwala kwamakhemikhali okuncane, okuthuthukisa ukuqina ezindaweni ezigqwalile kancane. Kodwa-ke, ezimeni ezimbi kakhulu ezifana nomswakamo ophezulu, isibopho esingaphakathi kwezisekelo zamaminerali singase sehle, sibeke engcupheni ukuqina kwazo kukonke.
Izindleko Zokukhiqiza Nobunzima Bokucubungula**: Izinselelo zokukhishwa kwamatshe emvelo kuqhathaniswa nezinqubo zokuphonsa okuzenzela
Izimayini ze-granite nezokuthutha zibandakanya izinto eziyinkimbinkimbi, kuyilapho ukucubungula kwakho kudinga imishini namasu athuthukile. Ngenxa yokuqina nokuqina kwayo okuphezulu, ukusebenza okunjengokusika, ukugaya, nokupholishwa kuvame ukuholela emazingeni aphezulu okulahlwa, okuqhubeza izindleko zokukhiqiza.
Ngokuphambene, ukukhiqizwa kwezisekelo zokuphonsa amaminerali kudinga isikhunta nezinqubo ezithile. Nakuba ukuthuthukiswa kwesikhunta sokuqala kubangela izindleko ezinkulu, ukukhiqizwa ngobuningi okulandelayo kuba nenzuzo kwezomnotho uma isikhunta sesimisiwe.
Isikhathi sokuthumela: Apr-08-2025