Kachidutswa kachitsulo ka API Smith ka mainchesi 36 (914.4mm) ka Tricone rock bit kali m'sitolo

Kachitsulo ka American Smith ka mainchesi 36 ka tricone bit kamapereka ntchito yabwino kwambiri pakuboola zitsime zamafuta. Mano ake achitsulo okonzedwa bwino komanso kapangidwe kake ka ma cone atatu kamatsimikizira kuti kalowa bwino kwambiri m'mapangidwe ofewa mpaka apakatikati, ndipo kamakhudza bwino komanso kamadula miyala kuti isweke bwino. Ma bearing olimbikitsidwa ndi mafuta otsekedwa amawonjezera nthawi yogwirira ntchito ndikuwonjezera kudalirika pansi pa kukakamizidwa kwa dzenje. Chimake chachikulu cha mainchesi 36 chimawonjezera mphamvu yoboola, pomwe kuyeretsa mabowo bwino komanso chitetezo cha gauge kumachepetsa kuyenda ndi ndalama zochepa. Ndibwino kwambiri pazitsime zamafuta zazikulu, zimaphatikiza kulimba, liwiro, komanso kugwiritsa ntchito bwino ndalama.