PDC Bit ke eng?
Haeba u le indastering ea oli le khase, mohlomong u tloaelane le lentsoe "PDC drill bit." Empa bakeng sa ba bacha hoLikotoana tsa ho cheka tsa PDC , ho utloisisa hore na karolo ea ho phunya ea PDC ke eng le bohlokoa ba eona mesebetsing ea ho phunya e ka ba ntho e ferekanyang hanyenyane. Ka poso ena ea blog, re tla hlakisa taba eaPDC e nyenyane'me u hlalose tsohle tseo u hlokang ho li tseba ka taba ena ea bohlokoasesebelisoa sa ho phunya.
Taba ea pele, PDC e emetse Polycrystalline Diamond Compact. Likotoana tsa ho cheka tsa PDC ke mofuta oa likotoana tsa ho cheka tse sebelisoang haholo indastering ea oli le khase ho phunya mefuta e fapaneng ea mafika. Ho fapana le likotoana tsa khale tsa ho cheka li-roller cone tse sebelisang meno a tšepe ho pshatla lefika,Likotoana tsa ho cheka tsa PDC e-na le li-cutter tsa daemane tsa maiketsetso tse kentsoeng hloohong. Liseha tsena tsa litaemane li thata haholo 'me li khona ho phunya ka mokhoa o thata, li etsa hore likotoana tsa PDC e be e' ngoe ea likhetho tsa pele bakeng sa ts'ebetso ea ho cheka.
E 'ngoe ea melemo ea mantlha ea li-drill tsa PDC ke ho tšoarella ha tsona. Thelisebelisoa tsa ho seha taemane holim'a hlooho ea ho cheka e ka mamella mocheso o phahameng le maemo a hlabang, a ba lumella ho boloka bokhoni ba ho itšeha ka nako. Sena se bolela hore likotoana tsa PDC li phunya kapele le ho tšoarella nako e telele ho feta likotoana tsa khale tsa rolara, 'me qetellong li boloka litšenyehelo tsa ts'ebetso ea ho cheka.
Ntle le ho tšoarella, likotoana tsa ho cheka tsa PDC le tsona li ntlafatsa ts'ebetso ea ho cheka. Moralo oa "PDC drill bit" o lumella phetisetso e tobileng ea matla ho tloha mocheng oa ho cheka ho ea sebakeng sa ho phunya, ho fella ka ho cheka ka potlako le ka mokhoa o sebetsang haholoanyane. Sena se bohlokoa haholo ha u cheka ka har'a mafika a thata, moo ho ka bang thata hore likotoana tse tloaelehileng tsa ho cheka li tsoele pele.
Karolo e 'ngoe ea bohlokoa ea li-drill tsa PDC ke bokhoni ba tsona ba ho fana ka litefiso tse phahameng tsa ho kenella (ROP). Liseha tsa litaemane tse bohale tse hloohong ea ho cheka li thusa ho potlaka ka potlako, e leng se lumellang basebetsi ho phethela tšebetso ea ho cheka ka nako e nyane. Sena ha se thuse feela ho fokotsa litšenyehelo tsa ts'ebetso, hape se fokotsa ho senyeha ha lisebelisoa tsa ho cheka, qetellong ho lelefatsa bophelo ba rig le likarolo tse amanang le tsona.
Ho bohlokoa ho hlokomela hore le ha li-drill tsa PDC li fana ka melemo e mengata, ha li na meeli. Li-drill bits tsa PDC li ka ba le bothata ba ho cheka ka mekhoa e itseng, e kang abrasive sandstone kapa tse nang le chert e ngata. Maemong ana, ho ka 'na ha hlokahala hore ho nahanoe ka mekhoa e meng ea ho cheka ho etsa bonnete ba hore mosebetsi oa ho cheka o sebetsa hantle le o atlehileng.
Ka bokhutšoanyane, likotoana tsa ho cheka tsa PDC ke lisebelisoa tsa bohlokoa bakeng sa indasteri ea oli le khase, tse fanang ka nako e telele, bokhoni le ts'ebetso e ntlafetseng ea ho cheka. Ka ho utloisisa bokhoni le mefokolo ea likotoana tsa ho cheka tsa PDC, basebelisi ba ka etsa liqeto tse nang le tsebo ha ba khetha sesebelisoa se nepahetseng sa ho cheka bakeng sa mosebetsi oa bona. Ha thekenoloji e ntse e tsoela pele, re lebeletse hore moralo le ts'ebetso ea likotoana tsa ho cheka tsa PDC li tla ntlafatsoa le ho feta, ho ntlafatsa le ho feta karolo ea tsona mosebetsing oa ho cheka.