Ukulwazi Nge-Ukukhishwa Kwe-Diamond Nenkinga Yalo KuMfihlo Womshwa

Ukuchaza Nokulinganisa Ukukhishwa Kwe-Diamond KuMashwa Asebenzisa Umshaya

Lapho sikhuluma ngokuhlushwa kwedayimane emabhodweni acindezelwe ashisayo, ngokuyisisekelo sibheka ukuthi lawo ma-particle edayimane agcwele kangakanani ngaphakathi kwezinto zokubopha izinsimbi. Abantu abaningi balinganisa lokhu njengamaphesenti omthamo (vol%) noma ngezinye izikhathi ngisho nangama-carat ngesentimitha eyodwa eyisikubhu. Emsebenzini wegranite neminye imisebenzi enzima yokusika amatshe, imboni ngokuvamile iyavumelana ngokuthi indawo ethile phakathi kuka-15% no-30% vol iyona efanelekile. Manje lapho ukuhlushwa kukhuphuka kuleyo ndawo engama-25-30 vol% ngokuqinisekile kunikeza amaphuzu amaningi okusika okuyinto enhle, kodwa kukhona ukubanjwa. Amadayimane kudingeka asakazwe kahle phezu kweblade uma kungenjalo ezinye izindawo ziyoshabalala ngokushesha kunabanye, okuholela kuzo zonke izinhlobo zezinkinga phakathi nemisebenzi yokusika.

Indlela Ukugxila Kwedayimane Okuthinta Ngayo Ukusebenza Kokusika Nokugqoka

Lapho kunamadayimane amaningi agcwele ekhaleni, ukusika kuba ngcono ngoba kunamaphuzu amaningi asebenzayo enza umsebenzi. Nokho, uma sikhuphuka ngokweqile ngesisindo, izinto ezihlanganisa izinto ziqala ukuzama ukubambelela kahle kula matshe ayigugu. Ucwaningo lubonisa ukuthi ama-blade aqukethe amadayimane aphakathi kuka - 22 no - 25 amaphesenti ngokomthamo asebenza kahle kakhulu lapho esika igranite, futhi avame ukuhlala isikhathi eside ngamaphesenti angu - 30 uma eqhathaniswa nalawo aqukethe amadayimane ambalwa ngokusho kocwaningo olwanyatheliswa kuyi - Materials Science Ukudlula ezingeni lama-28% ngokuvamile kuholela ezinkingeni lapho izibopho ziphuka ngokushesha kakhulu ngoba akukho metal ngokwanele ezungeze izinhlayiya zedayimane ngalinye ukuze kunikeze ukusekelwa okufanele kwesakhiwo ngesikhathi sokusebenza.

Ubudlelwane Phakathi Kokuqina Kwedayimane Nokucindezelwa Ukushisa Ngesikhathi Sokusika

Lapho idayimane linobuningi obukhulu, likhiqiza ukushisa okwengeziwe lapho lisika, okungakhuphula ukucindezelwa ukushisa cishe ngo-50% uma kuqhathaniswa nama-blade anamazinga aphakathi nendawo. Waba yini umphumela? Ukuwohloka okusheshayo kwezinto ezihlanganisa izinto ezihlanganisa konke nokwakheka kwemifantu emincane emadayimane ngokwawo. Ucwaningo olwenziwa ngonyaka odlule lwe-thermal imaging lwabonisa nokuthile okuthakazelisayo. Ama-blade agcwele idayimane elingu-30% ngokomthamo athola amazinga okushisa ayingozi cishe ngo-40% ngokushesha kunama-blade angu-20%. Lokhu kusho ukuthi la maqebelengwane anokuqina okuphezulu awahlali isikhathi eside ngaphambi kokuba aqale ukwehluleka ngenxa yokushisa nokupholisa okuphindaphindiwe.

Ukugxila kwamadayimane okuhle kakhulu ukuze kukhuliswe isikhathi sokuphila kwe-blade eshisayo

Ukuhlaziywa Kwokusebenza Kwe-15-25 Vol% Ukugxila Kwedayimane Ekusikeni Igranite Namatshe Aqinile

Ama-diamond blade anokuhlushwa okungamaphesenti angu-15 kuya kwangu-25 asebenza kahle kakhulu lapho kusikwa igranite namanye amatshe aqinile. Lezi zinsimbi zisika ngokushesha ngamaphesenti angu - 23 kunezinsimbi ezinamadayimane amancane kodwa zisabambelela ndawonye. Ukuhlolwa kwezwe langempela kubonisa ukuthi agcina cishe u-82% wokucaca kwawo kwangempela ngisho nangemva kokusika amamitha angu-150 egranite. Lokhu kwenzeka ngoba amadayimane agqama ngokwanele ebusweni be - blade futhi agqoke ngokulinganayo emngceleni wokusika. Into enhle kakhulu yokusebenza iwukuba nesihlabathi esanele sokuxubha ukuze senze umsebenzi ngaphandle kokugxilisa kakhulu izinto zokubopha. Lokhu kulinganisela kusiza ekuvimbeleni izinkinga ezinjengokukhathala okushisayo okungenzeka ngesikhathi sokusika okushisa kakhulu, okwenza la mabhande abe ukukhetha okunokwethenjelwa emisebenzini yokuqopha amatshe.

Ukuncipha Kwembuyiselo: Kungani Ukugxila Okungaphezu Kuka-30% Kunciphisa Ukuphila Isikhathi Eside Kwama-blade

Lapho ukuhlushwa kwedayimane kudlula amaphesenti angu-30 ngesilinganiso somthamo, izinto ziqala ukuwohloka ngokushesha. Ukugqwala kuya ngokuya kuba kubi futhi ukushisa kuyanda kakhulu kunalokho okufanele kube yikho. Uma singamaphesenti angu-25, sibheka cishe ama-480 degrees Fahrenheit, kodwa siyayishukumisela kuma-35% bese izinga lokushisa likhuphukela cishe kuma-620 degrees. Lokhu kushisa okwengeziwe kuyasheshisa indlela impahla ebopha ngayo ehlukana ngayo. Ucwaningo olushicilelwe yi-Manufacturing Technology Insights ngonyaka odlule lwabonisa okuthile okuthakazelisayo. Ama-blade anokuhlushwa kwamadayimane angu-35% agqoka izingxenye ngokushesha ngo-41% lapho esika imabula uma eqhathaniswa nalawo anokuhlushwa kwamadayimane angu-25%. Kungani? Ngoba akukho ndawo eyanele phakathi kwawo wonke lawo madayimane ukuze asebenze kahle. Ngaphandle kwesikhala esifanele, ikhaba alikwazi ukuzisika ngokwalo. Kunokuba usike ngokuhlanzekile, ugcina usubhujiswa ngokuxokozela okuningi, okungalungile ekusebenzeni kahle noma empilweni yethuluzi.

Ukuthola Ukulinganisela: Imikhawulo Yokuhlushwa Efanele Yezinhlelo Ezihlukene Zokusebenza Kwemboni

Kwemphambu nezinto ezibaluswe, ikhona elincane le-10-15 vol% licinca ukuganwa kwekhanda, okuchaza izahluko eziphindwe kabili (62%) zezihlalo kulezi ziphatha ( Ijornale Yenzenzo Yezimali Ezininzi , 2021).

Imatriksi yeBond kunye neDinamika yeSelf-Sharpening Ngokwesiqaleko

Ukuxhasana Phakathi KweHardness yeBond kunye neDiamond Retention Kwizilingo Ezahlukeneyo

Ubukhulu beematriksi zeBond bubaluleke kakhulu ekugcineni i-diamond ephakameni ngexesha lokusebenza. Xa sijonge iibond ezikhulu kwisilingo seRockwell C 55 ukuya ku-65, zihlala ziyasebenza ngokulungileyo ngaphandle kwe-abrasion bempazamo, kwaye zisebenzisa ngcono kwi-20 ukuya ku-25 percent volume. Ngokuphambene, iibond ezimnandi phakathi kweRockwell C 30 kunye ne-45 zivumela i-diamond ukuba zishunqe ngokukhawuleza, oku kuzenza kube lula kumsebenzi wokugcina okupheleleyo. Iibond ezipheleleyo phakathi kweRockwell C 45 kunye ne-50, zilungelelaniswa nokuba siyisebenzisa ngama-22 ukuya ku-24 percent volume, zahlawula ngokuphindaphindwa kuka-13 percent ukuphila kwediamond kunaphakade xa zilinganiselwa neendlela apho ezi ziparameter aziqwalaseli. Lokhu kukhusela kakhulu ubomi bomgca.

Izibini Ezimnandi Ngesikhulu: Ziyenzani Ngokubonakala Kunye NeWear Kwimigca Yobude

Xa kusebenziswa nezinkunkuma ezinzima, izibhobho ezenza kakhulu kuzo izimpahla ezingenamandla zidinga ukuthi izidimanteha zihambe ngokushesha, okufaneleke kakhulu kuzo izibhobho eziphephile kakhulu ezingu-28 kuze kube ngu-32 yekheli le-volume. Kodwa kukhona futhi isiphazamo sikhona - lezi zimpahla ezingenamandla zilungisa ubude bezinsuku zezibhobho kakhulu, ngamanye amaxesha zizokusa kabili ngoba zihlukunyezeka kakhulu. Ngokuphambene, xa kusebenziswa izimpahla ezinezimo phezu kwe-25 yekheli le-volume, izidimanteha azikwazi ukubonakala kade futhi zihlatshelwa ngokushesha kunezidingo. Kutheni okwenza abasebenzisi abaningi? Zama ukufaka ingozi ekhethini ukuqinisekisa ukuthi kusebenza ngokwemfundo, kodwa lokhu kuyisivinini esihamba ngokushesha kwehlukunyezeka kwezibhobho zonke.

Ukukhathala Kwengeziwe: Ukungahlanjelwa Ngokwemfundo kanye Nokulahlekelwa Kwesithuthiyo eMatrikesi eYenzelwe Ngubude

Xa iziphiwa ziye ngaphezu kwezinguquko ezingu-35 ngekhodi levolim, ziqala ukuthwasa iingxaki ezikhulu nezindlela zokuziphefumula. Okuqhubekayo kukuba umkhondo uyakhula kakhulu, okunika umbono wokuba akukho mntu ophathekayo othile wodwa ukuze kube nemeko efanayo yokucotha. Ngoko ke, phakathi kwe-60 kunye ne-80% yeendiamonds ezilungileyo zihlukaniswa phantsi kwesahluko sokuchatha esenziwa khona kumsebenzi wazo. Lo hlobo lokugcina luthanda ukuba kukhokelele kwiintambo eziphezulu kakhulu, ngamaxesha athatha kuye kwi-150 kunye ne-200 degrees Celsius. Ezi ziphumo ezikhuselekileyo zangena kumasebe angaphazanywa kwaye amakhodi apholile kulangethelanani. Abantu ababeli baze baxelela wonke umsebenzisi wezixhobo zesi gama ukuba kufuneka ahlale kumeko ethethelwayo eyingu-18 kunye ne-28% ngekhodi levolim kumathuba apheleleyo anobunkunzi kumgangatho nokukhavoidela iingxaki zamanzi emva koko.

Izinto Zokwenza Nokwakha Okuthinta Ukusebenza Kwesilinganiso

Ukukhona Kwezindlela Nezinkinga Ezibangelwa Yenkimbandlela Yokwenza Ngenhla Yezilinganiso Ezihle Zediamond

Izinkomo ezahlukene zomlango ziyathinta kakhulu ukuthi kutholakala yini ikhonzenteyithi efanayo yesidimant. Hlola igrenayithi, efaka phakathi kwe-6 ne-7 ka-Mohs ngokwesibonelo. Kulolu hlelo, abasebenzi basempondweni bathola ukuthi i-concentrations phakathi kwe-18 ne-22 volume percent zisebenza kahle ngoba zizungela ukuthi izinto azizivike ekuphazinyeni futhi kancane kube nzima ekulindelweni kwesikhathi. Xa kusebenziswa nezintonga ezinzima njenge-sandstone engenziwa ngokwobunjwa, ukuthuthukisa ku-25-28 vol% kusiza ekugcineni amandla okugayaza ngesikhathi esigayini. Isifundo esaphublikisha ku-International Journal of Refractory Materials ngo-2023 sabonisa into ethile ethandabuzwayo mayelana nokugaya kwe-quartzite. Izibhamu ezisebenzayo ngokunikezela we-24% zange zilinde kabanzi kunesimanje kwe-38% kunazo ezisebenzayo ngokunikezela kwe-30%. Kusazekwa ukuthi ukuthi kukhona izidimant eziningi kakhulu kuyakhuphuka umphumela wokudluliswa kubo, ngakho-ke kukhona indawo efanayo abafundi bezemali kumele bafihlele.

Ubuhlebholo Bekhuniwethi Yedimant Nokucopheleka Kwemfundo

Ukufinyelela kwe-distribution ngaphakathi kwesilinganiso ±2% kungahlanjiswa ubude besikhumba nge-60% emsebenzini wokugcwalisa ngokugcwele ngoba kususa lezi zinkinga zezikhalo eziphazanyiswa yisilawu esidala umsindleko. Uma ukusabalalisa akuyona yonke, siyophila ekuphileni kakhulu kumatrix lapho amadiyamani adlulisana endaweni engafanelekile kunokuthi azame ukulayisha ngokulinganayo kusayizi. Lokhu kukhuthaza ukudonsa kusasa nokuthinta okuphazanyiswayo. Izindlela ezintsha zokwenza lokhu ngokushesha ziyenzela izici ezihlangene ngokulinganayo ngemiphihlo ezigcwele ngaphezu kwe-95% ikusasa lesikhathi elidliwe sokugcina okutholakala ngokwesithembu esithi kuphela 78% ngelinye elidlule. Kanti simemeza, konke okuphakathi kwe-5% kusuka kuhlanjiswa kusisekelo kusenza kube khona isinqumo esikhulu esingaba yisidingo sokurepairwa ngokushesha, sithatha ngokuphela 40%.

Kungani Iblade Eziningi Eziphephile Noma Zinemiphumela Engaphezulu Ngaphezu Kwaleyo Amadala Angaphansi

Ngokwemibuko yasekhondlela engu-2024, iziklwe zediamond ezidaweni ngaphezu kuka-22 ye-volume yenani eliphezulu le-diamonds (neziqukethe TI eziphakeme kangaka kunesi-120,000) zilala iphuzu elithathu kwakhazo eziqinileyo ezenza izahluko eziphansi kuka-30% zokukhazimula kwe-diamond ne-TI eziphansi kuka-80,000 xa zikhipha i-marble. Iziklwe ezincane zokuba ziyisivaleli kakhulu zakhela iziqhamo ezincane kwinkimbetho yazo emva kokusebenza ngemizuzwana engu-15 kuphela ngoba ukudibanisa phakathi kwezinto akudingeki kube khanyayo. Ngokuphambene, iziklwe eziphazanyayo nokukhazimula kwe-diamond ephindwa kabili 45/50 mesh zilala zikhanyayo ngeminyaka engu-40 kuphela kunazo ezinezilinganiso ezingavumelekile kwe-diamond noma okungaphelele.

Imibuzo Evame Ukubuzwa

Ukukhazimulwa kwe-diamond kuziklwe eziphindekayo ngokugcwaliseka kungani?

Ukukhishwa kwe-diamond kusho ukuthi izinkomba ze-diamond ziyaphakanyekayo kangakanani ngaphakathi kwemali enqamuzana yobude baleshini. Kuhlala kumelelwa njengesilinganiso semfaneki noma kwi-karat ngasunikili cubic.

Kungani ukukhishwa kwe-diamond kubaluleke kinkimbinkimbi yeshini?

Ukukhishwa kwe-diamond kuyenzela inkimbinkimbi yokugcina, ukuphephela kwezixwayiso, nokuphila kweshini. Ukukhishwa okuphezulu kukunika amabala angaphezu kodwa kungenza ukuphephela okungahleli nokwehlisa kwezinkimbinkimbi uma akulayisiwa kahle.

Iziphatshapo ziphi zokufaka kakhulu izinkomba ezinokukhishwa okuphezulu kwizinkuni?

Ukufaka kakhulu kizinkuni kungenza ukuthi kungahlale kusabela, kugcine inqamuzana, kakhokele intonga yentonga, nokuphazanyiswa kokuphila kweshini njengoba inqamuzana iyashintsha ukumelana nokuxhumana.