Ekukhuleni okuqhubekayo kwesidingo sezinsiza emhlabeni wonke, imishini yezimayini esebenza kahle futhi ezinzile isibalulekile ekuqinisekiseni ukutholakala kwamandla nezimbiwa. Abasiki be-polycrystalline diamond compact (PDC), ngokusebenza kwabo okuphezulu, kancane kancane bashintsha abasiki be-carbide njengengxenye ebalulekile ekukhishweni kwensiza. Inani lawo eliwumongo lisezicini ezintathu ezibalulekile: impumelelo yezobuchwepheshe, ukuzivumelanisa nezimo ezithile zohlelo lokusebenza, kanye nokusungula okusebenzayo.

Ngokombono wezobuchwepheshe, abasiki be-PDC bathole ukweqa kwe-quantum ngobulukhuni nokumelana nokugqoka. Ahlanganiswe ngaphansi kwezinga lokushisa eliphezulu kanye nokucindezela okuphezulu okuvela kumpushana wedayimane omncane kanye ne-carbide substrate, azuza njengefa lobulukhuni obuphezulu bedayimane (ngaphezu kwe-HV10,000) kuyilapho egcina ukuqina komthelela we-carbide. Lokhu kuxazulula inkinga abasiki bendabuko ababhekene nayo: ubulukhuni obuphezulu buholela ku-brittleness, kanti ukuqina okuphezulu kuholela ekugqokeni. Ezimayini ze-deep-shaft, abasiki be-PDC, abasebenza ekwakhekeni kwamadwala aqinile njenge-granite ne-basalt, babonisa izinga lokugqoka eliyingxenye eyodwa kwesihlanu kuphela yabasiki be-carbide, belula impilo yabo yesevisi izikhathi ezingu-3-5. Lokhu kunciphisa kakhulu imvamisa yokushintshwa kwezingxenye ngaphansi komhlaba futhi kunciphisa ingcuphe yokuphazamiseka kwezimayini. Mayelana nokuvumelana nezimo, ukuguquguquka kwezinto ezihlukahlukene zabasiki be-PDC kuhlangabezana nezidingo ezihlukahlukene zokukhishwa kwezinsiza. Ekubhobolweni kukawoyela negesi, amaphethelo abo acijile abhidliza amadwala. Amaphrofayili wamazinyo enziwe ngendlela oyifisayo (njengomumo we-wedge nezipuni) ajwayelana nemigudu eyahlukene yomthombo wamanzi, akhuphula ukusebenza kahle kokumba emithonjeni evundlile neqonde ngqo ngama-40%. Ezimayini zamalahle, abasiki be-PDC abangazweli nomthelela bamelana nomthelela omkhulu wokufakwa komthungo wamalahle, ukuvimbela ukuphuka kwamazinyo kanye nokuqinisekisa ukusebenza okuqhubekayo kwemishini yezimayini eseyimishini ngokugcwele. Ezimayini zensimbi, abasiki be-PDC abanezimbotshana ezimelana nokugqwala bamelana nokuguguleka kwamanzi ezimayini ane-asidi, okuwenza afanelekele kokubili umgodi ovulekile kanye nezimayini ezingaphansi komhlaba ezindaweni eziyinkimbinkimbi zejoloji.

Ngokombono wemboni, abasiki be-PDC babambe iqhaza ngokuqondile ekwehlisweni kwezindleko kanye nokwenza ngcono ukusebenza kahle ekukhishweni kwezinsiza. Ngakolunye uhlangothi, ukuphila kwabo okude kunciphisa izindleko zokuthenga nokushintsha izinto ezisetshenziswayo. Isibonelo, ekubholeni amafutha, izindleko zabasiki ngomthombo ngamunye zingancishiswa ngo-20% -30%. Ngaphezu kwalokho, ukusebenza kwazo okuphumelelayo kufinyeza umjikelezo wezimayini. Isibonelo, ngemva kokwamukela abasiki be-PDC, imayini enkulu yamalahle inyuse izithombe zansuku zonke zabagundi bayo ukusuka kumamitha angu-80 kuya kumamitha angu-120, yandisa umthamo wokukhiqiza wonyaka ngo-15%. Ngaphezu kwalokho, izakhiwo ezigqokwa kancane zabasiki be-PDC zinciphisa ukukhiqizwa kokusikwa futhi zenza kube lula imizamo yokuhlanza imigodi ephansi, ukuthuthukisa ngokungaqondile ukuphepha kwezimayini.

Njengoba ukukhishwa kwezinsiza kuqhubeka kujula futhi kube ukwakheka okuyinkimbinkimbi, ukuvela kwezobuchwepheshe kwabasiki be-PDC kuyaqhubeka nokusheshisa. Ngokuzayo, ngokuthuthukisa ukumelana nezinga lokushisa eliphezulu ngobuchwepheshe be-nano-coating kanye nokwenza kahle isakhiwo sokusika ngokuphrinta kwe-3D, abasiki be-PDC bazophinde banqobe amabhodlela okusebenza, banikeze ukwesekwa okuqinile kokuthuthukiswa kwezinsiza okunzima ukuzikhipha njengegesi ye-shale namaminerali asolwandle, futhi baqhubeke nokuhlanganisa isikhundla sabo esibalulekile ekukhishweni kwezinsiza.