YINI IZINTO EZIYI-TRICONE BIT?

I-Roller Cutter Bit / I-Roller Cone Bit

Iyini i-roller bit?
Incazelo ye-roller bit. i. I-rotary boring bit equkethe ama-roller amabili kuya kwamane anesimo se-cone, anamazinyo aphendulwa ukuzungeza kwezinduku zokubhoboza. Ama-bit anjalo asetshenziswa edwaleni eliqinile emthonjeni wamafutha obhoboza kanye nakwezinye izimbobo ezijulile ezifinyelela ku-5,000 m nangaphezulu.

Yiziphi izinhlobo ezimbili eziyisisekelo zama-roller cone bits?
Kunezinhlobo ezimbili eziyinhloko zama-roller-cone bits, ama-steel milled-tooth bits kanye nama-carbide insert bits.

Isebenza kanjani i-tricone drill bit?
Lezi zingcezu zokubhoboza zisebenzisa umoya ocindezelekile ohamba ngemigudu yomoya ungene ku-tricone bearing osiza ekugcobeni, ekubandeni nasekususeni izingcezu zezinhlayiya ku-tricone. Amandla okuzihlanza, ukugcoba nokupholisa i-Tricone bit kuyinzuzo enkulu yokuncintisana yama-roller bearing apholile emoyeni.