E mepụtara sistemụ BTA (Na-agwụ ike & Trepanning Association) nke ukwuu site n'aka otu mba ụwa nke ndị na-emepụta ngwá ọrụ.Nke a na usoro bụ otu n'ime mbụ ịga nke ọma usoro nke esịtidem mgbawa mwepụ ngwá ọrụ, na-agụnye a mkpọpu ala, a na-agwụ ike, na a trepanning isi na a na-ewere na kasị mma usoro na oghere ime ọrụ na utilizes elu nsogbu coolant ngwaọrụ.
Na BTA usoro oghere ime usoro, mmiri n'okpuru nrụgide eruba ka mwube nsọtụ n'elu OD nke na-agwụ ike mmanya na isi, na-agwụ ike na ibe site na ID nke na-agwụ ike mmanya.Mmiri a na-ekpochapụ nke ọma na-asọfe mgbe niile n'èzí isi, si otú a na-ete mmanu ntụzịaka nke na-arụ ọrụ dị ka ngwá ọrụ na-ere ọkụ iji mepụta ncha dị nro, ma nwee ike ịnweta nnukwu nri nri.A na-enweta omimi nke oghere dị ka dayameta 150 ma ọ bụ karịa.
1. Ogo dị elu na ọnụahịa asọmpi
2. Na-ebuga ngwongwo n'oge
Nke a BTA akuakuzinwo isi ịmụta imported indexable mkpuchi agụba, ọ nwere uru nke elu arụmọrụ, mgbanwe agụba mfe, ogologo ọrụ ndụ , ala iji na-eri.Na ọ nwere ike akuakuzinwo na carbon ígwè, elu ike alloy ígwè, igwe anaghị agba nchara na na.nkenke nke oghere dayameta IT9-11.Ihu igwe kwụ ọtọ: Ra6.3-12.5