Izindaba
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I-PDC noma i-PCD drill bit futhi uyini umehluko
I-PDC NOMA I-PCD DRILL BIT? UYINI UMEHLUKO? I-PDC drill bit isho i-Polycrystalline Diamond Cutter core bit Imithombo yokuqala kwakuyimithombo yamanzi, imigodi engajulile eyayimbiwa ngesandla ezindaweni lapho itafula lamanzi lalisondela khona...Funda kabanzi -
Ziyini izingcezu ze-tricone nokuthi zingasebenza kanjani ekubhobozeni imithombo
Ama-tricone bits anohlobo lwe-Tungsten Carbide Insert (TCI) kanye ne-Mill Tooth (Steel Tooth). Ayakwazi ukushintshashintsha futhi angasika izinhlobo eziningi zokwakheka. I-mill tooth tricone drill bit isetshenziselwa ukwakheka okuthambile. Ama-TCI rotary tricone bits asetshenziselwa ukwakheka okuphakathi nokuqina...Funda kabanzi -
Kungani ama-cone bits amathathu esetshenziswa kakhulu?
Ama-drill e-Tricone asetshenziswa kabanzi embonini yokumba imithombo lapho kudingeka khona ukunqamula ukwakheka kwamadwala okuthambile nokuqinile. Ngenxa yomthelela, ukuchoboza kanye nokusika idwala lapho i-roller cone ijikeleza, ukuxhumana phakathi kwe-cone nomgodi ongezansi kuncane,...Funda kabanzi -
IKomidi Eliphuthumayo le-WHO lisanda kuba nomhlangano futhi lamemezela ukuthi ukwelulwa kobhubhane lwesifo se-coronavirus sika-2019 kwakha isimo se-"PHEIC" sesivumelwano samazwe ngamazwe...
IKomidi Eliphuthumayo lakhiwe ochwepheshe bamazwe ngamazwe futhi linesibopho sokuhlinzeka ngezeluleko zobuchwepheshe kuMqondisi-Jikelele we-WHO uma kwenzeka isimo esiphuthumayo sezempilo yomphakathi (i-PHEIC) esikhathazayo emhlabeni jikelele: · Ukuthi isigameko siwuphawu "lwesimo esiphuthumayo somphakathi...Funda kabanzi -
Iyini isimiso sokusebenza se-tricone drill bit?
Izingcezu ze-tricone zincike emthonjeni we-cone ekwakhekeni, ekuchobozeni nasekusheleleni ukuze kuchotshozwe idwala.Funda kabanzi