U ka khetha joang likotoana tsa ho cheka li-tricone bakeng sa merafo?
Moralo oalikotoana tsa trionee tlameha ho ikamahanya le litšoaneleho tsa lefika le lokelang ho chekoa, 'me libopeho tse fapaneng tsa moralo li amoheloa bakeng sa bitana ea rolara e sebelisetsoang mefuta e fapaneng ea majoe. Karolo ea "tricone drill" e sebelisoang bakeng sa ho phunya lejoe le bonolo hangata e nka bolelele ba meno a malelele, 'me nako ea ho arola meno ha ea fokola, e le ho thusa ho pitikisa le ho hohla karoloana ea ho phunya holim'a lefika, e le ho fihlela sepheo sa ho pshatla lejoe ka potlako. Bakeng sa ho phunya lejoe le thata, ho sebelisoa motsoako o matla o phahameng oa spherical tooth, meno a batla a le teteaneng, 'me lejoe le phuthoa haholo nakong ea ts'ebetso ea ho phunya, e le ho fokotsa ho khoasolla ka hohle kamoo ho ka khonehang. E le ho fokotsa ho roala ha lejoe holim'a motsoako, meno a alloy a atisa ho sebelisoa karolong ea li-roller cone.
Bearing system ea mining roller drill bit
Mochine oa ho phunya lirolara oa merafo o hloka matla a mangata a ho phunya nakong ea ho phunya, kahoo matla a ho jara le litlhoko tsa moralo oa sebopeho li phahame haholo. Rolara e kholo ea bopharalikotoana tse tharo tsa likhouneka kakaretso sebelisa rolara - bolo - rolara (RBR) behang tsamaiso: nyenyane bophara rolara likotoana tse tharo-khoune sebelisa rolara - bolo - slide (RBF) behang tsamaiso. Matla a radial a hlahisoang ke litsamaiso tsena tse peli tsa ho phunya ts'ebetsong ea ho cheka haholo-holo ke mojaro o moholo oa rolara, rolara e nyane kapa e thellang e bapala karolo e thusang, 'me matla a axial a tsamaisoa haholo ke sefofane se ka pele, ka ho teba ha lesoba la ho cheka le ho roalakotopo ea trilone, matla a axial a boetse a fetisetsoa mokokotlong o ka morao le bolo ea maoto, e le hore bophelo ba tšebeletso ea li-drill drill tsa tricone bo atolosoe.
