Mokhoa oa ho lelefatsa bophelo ba ts'ebeletso ea "DTH drill bit" nakong ea ho cheka mekoti e tebileng
Lits'ebetsong tsa ho cheka ka mekoti e tebileng, likotoana tsa ho cheka tsa DTH ha li fokotse feela litšenyehelo tsa ho cheka empa hape li ntlafatsa bokhoni ba ho cheka. Li-drill bits tsa DTH li na le ts'ebetso e phahameng le bophelo bo bolelele ba ts'ebeletso, tse nang le mefuta e 'meli ea meralo: likhatello tsa moea tse mahareng le tse tlase tsa DTH le likhatello tse phahameng tsa moea tsa DTH, ho rarolla bothata ba nako e khuts'oane ea bophelo ba lisebelisoa tsa ho cheka ka har'a mafika a matla le a fokolang le ho fihlela litholoana tse ntle.
Mathata ao re kopanang le ona ha ho cheka mekoti e tebileng ea setso ke lipotoloho tse telele tsa kaho le mabota a sa tsitsang a mekoti. Ka botebo bo ntseng bo eketseha ba ho cheka, botsitso ba sekoti boa fokotseha, ho etsa hore likotsi tse ka har'a sekoti li be teng haholoanyane. Ho phahamisa le ho theola khoele khafetsa ho mpefatsa tšenyo ea lithupa tsa ho phunya. Ka hona, ho ea ka litšoaneleho tsa kaho le maemo a ho cheka ka mekoti e tebileng, ha nako e telele ea nako le ho khutla ha litšoantšo tsa ho phahamisa, ho molemo. Li-drill bits tsa DTH ke lisebelisoa tse khethehileng tsa ho cheka majoe, kahoo li bapala karolo ea bohlokoa lits'ebetsong tsa ho cheka ka mekoti e tebileng.
Li-drill tsa HFD DTH li na le litšoaneleho tsa ts'ebetso e phahameng le bophelo bo bolelele ba ts'ebeletso, eseng feela ho eketsa nako ea ts'ebetso ea mochini oa ho cheka ka tlase ho seliba empa hape le ho fokotsa palo ea ts'ebetso ea ho phahamisa le ho theola, ho fihlela sepheo sa sampole e potlakileng, ho kopana. litlhoko tsa ho phunya likoti tse tebileng, ho khutsufatsa haholo nako ea kaho, 'me ka nako e le' ngoe ho ntšetsa pele theknoloji ea ho phunya ho isa boemong bo bocha.
