Ọnụ ego nke obere Tricone IADC117 9 7/8 inch (250mm)

Dịka ihe e ji kpụọ ya si dị, enwere ike kewaa tirocne bit n'ime TCI bit na Steel Tooth Bit.
Eriri ezé ígwè nke a na-akpọ "tricone bits" nwere aha ọzọ a na-akpọ "milled tooth tricone bit" ebe ọ bụ na igwe na-emepụta ezé ahụ, elu cone ahụ siri ike site na tungsten carbide.
Ezé ígwè nke tricone nwere ezé dị ogologo karịa TCI tricone bits nke mere na ọ nwere ike igwupụta ihe ndị dị nro na ROP dị elu.
N'ọrụ ịgba mmanụ, ROP nwere ike iru mita iri atọ kwa elekere n'ime obere akụkụ.
Ndị otu anyị na-eji ngwanrọ injinia nkeonwe iji nyochaa nsogbu gị, chọpụta ihe kpatara ya, ma chepụta azịza omenala.
Dịka akụkụ nke usoro mmezi anyị na-aga n'ihu, ka a na-emepụta ngwọta, a na-ejide ma na-etinye ihe ọmụma ahụ n'ọrụ n'ọdịnihu, iji kwalite arụmọrụ n'ọnọdụ ndị yiri ya.
Ndị ọrụ Far Eastern bụ ndị ọkachamara n'ihe gbasara igwe egwu dị iche iche dịka tricone bits, PDC bits, HDD hole opener, na ihe eji atụgharị ntọala maka ngwa dị iche iche.
Dịka ụlọ ọrụ mmepụta ihe na-egwu mmiri na China, anyị na-elekwasị anya n'ịbawanye ndụ ọrụ nke igwe ihe. Anyị na-agbalị mgbe niile imeziwanye igwe ihe ndị ahụ na ọnụego ntinye dị elu. Ọrụ anyị bụ ibelata ọnụ ahịa igwe ihe ndị a na-egwu mmiri kwa mita. Ogo na teknụzụ nke igwe ihe ndị a na-egwu mmiri n'ebe ọwụwa anyanwụ ga-enyere gị aka inweta ihe karịrị nke ahụ!