I-PDC Bit Cutter Manufacture

I-PDC bits cutter ibizwa nge-Polycrystalline Diamond Compact Cutter.Le nto yokwenziwa iyidayimane elihlanzekile elingu-90-95% futhi ikhiqizwa ibe ama-compact afakwa emzimbeni webhithi. Amazinga okushisa aphezulu okungqubuzana akhiqizwa ngalezi zinhlobo zamabhithi abangele ukuphuka kwedayimane le-polycrystalline futhi lokhu kwaholela ekuthuthukisweni kwe-Thermally Stable Polycrystalline Diamond – TSP Diamond.

I-PCD (i-Polycrystalline Diamond) yakhiwe ngezigaba ezimbili zokushisa okuphezulu, inqubo yokucindezela okuphezulu. Isigaba sokuqala kule nqubo ukukhiqiza amakristalu edayimane okwenziwa ngokuveza i-graphite, phambi kwe-Cobalt, i-nickel, ne-iron noma i-manganese catalyst/isixazululo, kungcindezi engaphezu kuka-600,000 psi. Kulezi zimo amakristalu edayimane akheka ngokushesha. Kodwa-ke, phakathi nenqubo yokuguqula i-graphite ibe idayimane, kukhona ukuncipha kwevolumu, okubangela ukuthi i-catalyst / i-solvent igeleze phakathi kwamakristalu okwakhiwa, ukuvimbela ukuhlanganiswa kwe-intercrystalline ngakho-ke kuphela i-diamond crystal powder ekhiqizwa kule ngxenye yenqubo.

Esigabeni sesibili senqubo, i-PCD engenalutho noma 'umsiki' yenziwa ngokusebenza kwesigaba se-liquid sintering. Impushana yedayimane eyakhiwe esigabeni sokuqala senqubo ixubene kahle ne-catalyst/binder futhi ichayeke emazingeni okushisa angaphezu kuka-1400 ℃ kanye nezingcindezi ze-750,000 psi. Indlela eyinhloko ye-sintering ukuncibilikisa amakristalu edayimane emaphethelweni awo, emakhoneni, nasemaphoyinti okucindezela okukhulu okubangelwa iphoyinti noma onqenqemeni abathintwayo. Lokhu kulandelwa ukukhula kwe-epitaxial kwamadayimane ebusweni nasezindaweni ze-engeli yokuxhumana ephansi phakathi kwamakristalu. Le nqubo yokukhula kabusha yakha amabhondi eqiniso edayimane ukuya-kwedayimane ngaphandle kwesibopho esiwuketshezi esivela endaweni yebhondi. Isibopho sakha inethiwekhi eqhubekayo noma encane yezimbotshana, ekhona kanye nenethiwekhi eqhubekayo yedayimane. Ukugxila kwedayimane okujwayelekile ku-PCD kungu-90-97 vol.%.

Uma umuntu edinga inhlanganisela eyinhlanganisela lapho i-PCD ihlanganiswe ngamakhemikhali ku-tungsten carbide substrate, enye noma yonke i-binder ye-PCD ingase itholakale ku-tungsten carbide substrate eseduze ngokuncibilika nokukhipha i-cobalt binder kusukela ku-tungsten carbide.

Uma unentshisekelo yabasiki be-PDC futhi ufuna ulwazi olwengeziwe kanye nemininingwane, UNGASITHINTA ngocingo noma ngemeyili kwesokunxele, noma SITHUMELE IMEYILI ezansi nekhasi.