I-carbide eyenziwe ngesamente yenziwe ngobulukhuni obuphezulu, i-refractory metal carbide (efana ne-WC, i-TiC, i-TaC, i-NbC, njl.) kunye nezibophelelo zetsimbi (ezifana ne-cobalt, i-nickel, njl. i-alloy, enobunzima obuphezulu (89 ~ 93Hm), amandla aphezulu, ubunzima obuhle obushushu kunye nezinye iimpawu.Ke ngoko, isetyenziswa kakhulu ekwenzeni i-drill drill bits, isikhunta kunye nezixhobo.Ngophuhliso oluqhubekayo lweteknoloji yokusika kwicala lesantya esiphezulu kunye nokuchaneka okuphezulu, ubunzima, ukuxhatshazwa kokugqoka, ukuchaneka kokugaya kunye nokusika umgangatho wezixhobo ze-carbide ezifunekayo ukuba zibe phezulu nangaphezulu.Ubungakanani obuziinkozo be-carbide ene-cemented bukhule ngokuthe ngcembe ukusuka kwi-coarse-grained kunye ne-medium-grained ukuya kwi-fine-grained, i-ultra-fine-grained kunye ne-nanocrystal-grained.
Okwangoku, i-coarse-grained cemented carbide isetyenziswa ngokubanzi kwizixhobo ze-geological kunye neeminerali, i-stamping iyafa, i-oyile yokugaya, izando ezinkulu eziphezulu zokuvelisa idayimani yokwenziwa, iinxalenye ze-jet injini kunye nezinye iindawo;i-fine-grained and ultra-fine-grained cemented carbide ineempawu zobunzima obuphezulu kunye namandla aphezulu, isetyenziselwa ukuveliswa kwezixhobo eziqinileyo ze-carbide, ukufakwa kwe-indexable kunye ne-micro drills.
Ngokucocwa kweenkozo ze-WC kwi-carbide ene-cemented, iipropathi zomatshini ezifana nobunzima kunye namandla zanda, okwangoku iimpawu ezifana nokuqina kwe-fracture ziyancipha, kunye nokusebenza kokugaya okufana nokunganyangeki kokugqoka kutshintshile.
Amavili amathathu ahlukeneyo okusila okuziinkozo okuziinkozo okusila asetyenziselwa ukwenza iimvavanyo zokusila phantsi kweemeko ezithile zokusila iikhabhidi ezintathu ezinesamente ezinobukhulu obahlukeneyo beenkozo: ezirhabaxa, ezicolekileyo kunye ne-ultra-fine.Ngomlinganiselo wamandla okuphotha, ivili lokusila kunye nokulahleka kwesixhobo sokusebenza, kunye noburhabaxa bomphezulu womatshini wokusila ngexesha lenkqubo yokusila, impembelelo yokutshintsha kobungakanani beenkozo zeWC kwikhabhide enesamente ekusebenzeni kunye nesiphumo esinje ngokusila, umlinganiselo wokusila, kunye noburhabaxa bomphezulu buhlalutywa.
Ngovavanyo, kunokwaziwa ukuba phantsi kwemeko, iiparameters zokusila ze-surface grinder ziyafana, amandla okusila kunye namandla okusila asetyenziswe ngokusila i-carbide ene-cemented coarse-grained cemented makhulu kunezo ze-fine-grained kunye ne-ultra-fine. -i-grained, kunye namandla okugaya i-surface grinder yanda ngokunyuka kobukhulu bengqolowa.Umlinganiselo wokusila we-ultra-fine cemented carbide uyanda ngokunyuka kobukhulu bengqolowa, nto leyo ebonisa ukuba ukuxhathisa kolu hlobo lwekhabhide enesamente kuncipha ngokunyuka kobukhulu beenkozo, kunye noburhabaxa bolu hlobo lwekhabhide enesamente emva kokusila kakuhle phantsi. iimeko ezifanayo zokusila ziyancipha ngokunyuka kobukhulu beenkozo.
Ukusebenzisa ivili lokusila idayimani yeyona ndlela iphambili yokuveliswa kwezixhobo ze-carbide enesamente, uburhabaxa bomhlaba wokugaya kunempembelelo ebalulekileyo ekusebenzeni kokusika kunye nobomi benkonzo yezixhobo ze-carbide enesamente, kunye neeparamitha zokusila zezona zinto zichaphazela uburhabaxa bomphezulu. i-carbide enesamente
I-WC-Co cemented carbide specimen yayiphantsi kovavanyo lokusila kumatshini wokugaya umphezulu, kwaye isampuli yayiyi-ultra-fine-grained cemented carbide sintered yiteknoloji ye-HIP.
Ubunzulu obufanayo, uburhabaxa bendawo yokugaya i-specimen yanda ngokunyuka kwe-particle size yevili lokugaya.Xa kuthelekiswa ne 150 # ivili lokusila, uburhabaxa umphezulu wesampuli yokusila iyahluka ngaphantsi xa kusila nge 280 # ivili lokusila, lo gama uburhabaxa umphezulu utshintsha ngakumbi xa ukugaya nge W20 ivili lokusila.
Ixesha lokuposa: Jan-25-2024