PDC na-agba ọsọ

Bnghota

A na-eji polycrystalline diamond compacts (PDC) mee ihe na ngwa ụlọ ọrụ mmepụta ihe, gụnyere ngwa mgbapu nkume na ngwa igwe ígwè. Kọmpat ndị dị otú ahụ egosipụtawo uru karịa ụdị ihe ndị ọzọ na-egbutu, dị ka nguzogide iyi ka mma na nguzogide mmetụta. Enwere ike ịmepụta PDC site na ijikọta irighiri diamond n'otu n'otu n'okpuru oke nrụgide na ọnọdụ okpomọkụ dị elu (HPHT), n'ihu ihe mgbaze / ihe mgbaze nke na-akwalite njikọta diamond-diamond. Ụfọdụ ihe atụ nke ihe mgbaze/ihe mgbaze maka kọmpat diamond sintered bụ cobalt, nickel, iron, na ọla ndị ọzọ Group VIII. Ndị PDC na-enwekarị ọdịnaya diamond karịrị pasenti iri asaa site n'olu, yana ihe dị ka pasenti iri asatọ ruo ihe dị ka pasentị iri itoolu na asatọ bụ nke a na-ahụkarị. Ejikọtara PDC na mkpụrụ, si otú ahụ na-akpụ onye na-egbutu PDC, bụ nke a na-etinyekarị n'ime, ma ọ bụ tinye ya na ngwá ọrụ mgbada dị ka ihe nkwụsịtụ ma ọ bụ reamer.

PDC na-agba ọsọ

A na-eme ndị na-egbutu PDC site na mkpụrụ osisi tungsten carbide na ntụ ntụ diamond n'okpuru oke okpomọkụ na nrụgide dị elu. Cobalt bụ ihe eji eme ihe. Usoro ịhịa aka n'ahụ na-ewepụ ihe na-akpata cobalt nke gụnyere nhazi polycrystalline. Ihe si na ya pụta bụ tebụl diamond nwere nkwụsi ike ka mma maka mmebi okpomọkụ na iyi abrasive, na-eme ka ndụ dị ogologo ndụ bara uru.. A na-emecha usoro a n'ihe karịrị awa 10 n'okpuru ogo 500 ruo 600 site na ọkụ ọkụ. Ebumnuche nke leached bụ ịkwalite ike nke PDC. Dị ka ọ na-adịkarị, PDC mmanụ mmanụ na-anabata teknụzụ a, n'ihi na ebe ọrụ nke ubi mmanụ dị mgbagwoju anya.

NkenkeAkụkọ ihe mere eme

N'afọ ndị 1980, ụlọ ọrụ GE (USA) na Ụlọ ọrụ Sumitomo (Japan) mụtara iwepụ cobalt n'elu ezé PDC iji meziwanye ọrụ ezé. Ma ha enwetaghị ihe ịga nke ọma n'ahịa. Hycalog mechara mepụtaghachi teknụzụ yana ikike ikike（USA）. E gosipụtara na ọ bụrụ na enwere ike iwepụ ihe ígwè ahụ site na oghere ọka, a ga-eme ka nkwụsi ike okpomọkụ nke ezé PDC dịkwuo mma ka bit ahụ wee nwee ike ịkụnye nke ọma na nhazi nke siri ike na nke abrasive. Teknụzụ mkpochapụ cobalt a na-eme ka iguzogide ezé PDC na-eyi n'ụdị nkume siri ike nke ukwuu ma na-agbasawanye ngwa ngwa nke ibe n'ibe PDC.