Izikhombisi zobugcisa zomgubo wedayimani okumgangatho ophezulu ziquka ukusasazwa kobungakanani besuntswana, imo yesuntswana, ubunyulu, iipropati zomzimba kunye neminye imilinganiselo, echaphazela ngokuthe ngqo impembelelo yesicelo sayo kwiimeko ezahlukeneyo zoshishino (ezifana nokupolisha, ukugaya, ukusika, njl.njl.). Ezi zilandelayo zizikhombisi zobugcisa eziphambili kunye neemfuno ezihlelwe kwiziphumo zokukhangela ezipheleleyo:
Ukusasazwa kobungakanani bamasuntswana kunye neeparamitha zokuchazwa
1. Uluhlu lobungakanani bamasuntswana
Ubungakanani besuntswana lomgubo we-diamond micro powder buhlala buyi-0.1-50 microns, kwaye iimfuno zobukhulu besuntswana ziyahluka kakhulu kwiimeko ezahlukeneyo zokusetyenziswa.
Ukupolisha: Khetha i-micron eyi-0-0.5 ukuya kwi-6-12 micron yomgubo omncinci ukunciphisa imikrwelo nokuphucula ukugqitywa komphezulu 5
Ukusila: Umgubo omncinci oqala kwii-microns ezi-5 ukuya kwezili-10 ukuya kwezili-12 ukuya kwezili-22 ulungele ukusebenza kakuhle kunye nomgangatho womphezulu.
Ukusila kakuhle: Umgubo we-micron ezingama-20-30 unokuphucula ukusebenza kakuhle kokusila
2. Ukuchazwa kobungakanani bokusasazwa kwamasuntswana
I-D10: ubungakanani obuhambelanayo be-10% yosasazo oluqokelelweyo, olubonisa umlinganiselo we-cut particles. Umlinganiselo we-cut particles kufuneka ulawulwe ukuze kuthintelwe ukuncipha kokusebenza kakuhle kokusila.
I-D50 (ububanzi obuphakathi): imele ubungakanani obuphakathi be-particle, obuyiparameter ephambili yokusasazwa kobungakanani be-particle kwaye ichaphazela ngokuthe ngqo ukusebenza kakuhle kunye nokuchaneka kokucubungula.
I-D95: ubungakanani obuhambelanayo be-95% yokusasazwa okuqokelelweyo, kunye nokulawula umxholo wee-crushes (ezifana ne-D95 edlula umgangatho kulula ukubangela imikrwelo kwiindawo zokusebenza).
I-Mv (ubungakanani obuqhelekileyo be-particle): ichaphazeleka kakhulu zii-particle ezinkulu kwaye isetyenziselwa ukuvavanya ukusasazwa kwe-coarse end
3. Inkqubo esemgangathweni
Imigangatho yamazwe ngamazwe esetyenziswa rhoqo ibandakanya i-ANSI (umz. D50, D100) kunye ne-ISO (umz. ISO6106:2016).
Okwesibini, imilo yamasuntswana kunye neempawu zomphezulu
1. Iiparameter zemilo
Ukujikeleza: okukhona ukujikeleza kusondele ku-1, kokukhona amasuntswana engqukuva kwaye kokukhona isiphumo sokupholisha singcono; amasuntswana angqukuva aphantsi (iikona ezininzi) afanelekile ngakumbi kwiisarha zentambo ze-electroplating kunye nezinye iindawo ezifuna imiphetho ebukhali.
Iinxalenye ezifana nepleyiti: iinxalenye ezine-transmittance> 90% zithathwa njengeenxalenye ezifana nepleyiti, kwaye umlinganiselo kufuneka ube ngaphantsi kwe-10%; iinxalenye ezifana nepleyiti ezininzi ziya kukhokelela ekuphambukeni ekufumaneni ubungakanani beenxalenye kunye nesiphumo sokusebenza esingazinzanga.
Amasuntswana afana namasongo: umlinganiselo wobude nobubanzi bamasuntswana> 3:1 kufuneka ulawulwe ngokungqongqo, kwaye umlinganiselo akufuneki udlule kwi-3%.
2. Indlela yokubona iimilo
I-microscope ebonakalayo: ifanelekile ukujonga imo yamasuntswana angaphezu kwe-2 microns
I-scanning electron microscope (SEM): isetyenziselwa uhlalutyo lwe-morphology yee-ultrafine particles kwinqanaba le-nanometer.
Ulawulo lobunyulu kunye nokungcola
1. Umxholo wokungcola
Ubumsulwa bedayimani bufanele bube ngaphezulu kwe-99%, kwaye ukungcola kwesinyithi (okufana nesinyithi, ubhedu) kunye nezinto eziyingozi (isulfure, iklorini) kufuneka kulawulwe ngokungqongqo ngaphantsi kwe-1%.
Ukungcola okunemagnethi kufanele kube kuphantsi ukuze kuthintelwe impembelelo yokuhlanganiswa kwezinto ekupolisheni ngokuchanekileyo.
2. Ubuthathaka bemagnethi
Idayimani ecocekileyo kakhulu ifanele ibe kufutshane ne-non-magnetic, kwaye i-magnetic susceptibility ephezulu ibonisa ukungcola okuseleyo kwesinyithi, ekufuneka kubonwe ngendlela yokungenisa i-electromagnetic.
Izalathi zokusebenza ezibonakalayo
1. Ukuqina kwempembelelo
Ukumelana nokutyumza kwamasuntswana kubonakala ngesantya esingaqhekekanga (okanye amaxesha aqhekekileyo kancinci) emva kovavanyo lokuchaphazeleka, oluchaphazela ngokuthe ngqo ukuqina kwezixhobo zokusila.
2. Uzinzo lobushushu
Umgubo ocolekileyo kufuneka uhlale uzinzo kubushushu obuphezulu (obufana ne-750-1000℃) ukuze kuthintelwe ukwakheka kwe-graphite okanye i-oxidation ekhokelela ekunciphiseni amandla; ukufunyanwa kohlalutyo lwe-thermogravimetric (TGA) olusetyenziswa rhoqo.
3. Ubulukhuni obuncinci
Ubulukhuni be-micro-hardness ye-diamond powder bufikelela kwi-10000 kq/mm2, ngoko ke kuyimfuneko ukuqinisekisa amandla aphezulu e-particle ukuze kugcinwe ukusebenza kakuhle kokusika.
Iimfuneko zokuzivumelanisa nesicelo 238
1. Ibhalansi phakathi kokusasazwa kobungakanani besuntswana kunye nesiphumo sokucubungula
Amasuntswana arhabaxa (afana ne-D95 ephezulu) aphucula ukusebenza kakuhle kokusila kodwa anciphisa ukugqitywa komphezulu: amasuntswana amancinci (i-D10 encinci) anesiphumo esahlukileyo. Lungisa uluhlu lokusasazwa ngokweemfuno.
2. Ukulungelelaniswa kwemilo
Iibhloko ezinamacala amaninzi zifanelekile kumavili okusila i-resin; iibhloko ezingqukuva zifanelekile ukupolisha ngokuchanekileyo.
Iindlela kunye nemigangatho yokuvavanya
1. Ukuchonga ubungakanani bamasuntswana
I-laser diffraction: isetyenziswa kakhulu kwii-micron/submicron particles, ukusebenza okulula kunye nedatha ethembekileyo;
Indlela yokuhluza: isebenza kuphela kumasuntswana angaphezu kwama-40 microns;
2. Ukuchonga iimilo
Isihlalutyi somfanekiso wezinto ezincinci sinokulinganisa iiparameter ezifana ne-sphericity kwaye sinciphise impazamo yokujonga ngesandla;
Shwankathela
I-diamond micro-powder esemgangathweni ifuna ulawulo olupheleleyo malunga nokusasazwa kobungakanani be-particle (D10/D50/D95), imo ye-particle (ubungqindilili, i-flake okanye umxholo wenaliti), ubumsulwa (ukungcola, iipropati zemagnethi), kunye neepropati zomzimba (amandla, uzinzo lobushushu). Abavelisi kufuneka baphucule iiparameter ngokusekelwe kwiimeko ezithile zesicelo kwaye baqinisekise umgangatho ohambelanayo ngeendlela ezifana ne-laser diffraction kunye ne-electron microscopy. Xa bekhetha, abasebenzisi kufuneka baqwalasele iimfuno ezithile zokucubungula (ezifana nokusebenza kakuhle kunye nokugqitywa) kwaye bafanise izalathisi ngokufanelekileyo. Umzekelo, ukupolisha ngokuchanekileyo kufuneka kubeke phambili ukulawula i-D95 kunye nokujikeleza, ngelixa ukugaywa okurhabaxa kunokukhulula iimfuno zesimo ukuze kuphuculwe ukusebenza kakuhle.
Umxholo ongentla ucatshulwe kwinethiwekhi yezinto ezilukhuni kakhulu.
Ixesha leposi: Juni-11-2025
