Mmetụta nhicha nkeigwe gbawara agbawaenwere ike ịnwale site na usoro ndị a:
1. Nlele anya:
Kpọmkwem na-edebe elu nke workpiece ka ịlele ma adịghị ọcha dị ka ọnụ ọgụgụ, nchara, unyi, wdg na e wepụrụ na elu erutela na-atụ anya ịdị ọcha.
Lelee roughness nke workpiece elu iji chọpụta ma ọ na-emezu ihe a chọrọ.
2. Nchọpụta ịdị ọcha nke elu:
Jiri usoro ntụnyere atụnyere elu workpiece a na-emeso ya na nlele ịdị ọcha ọkọlọtọ iji nyochaa ịdị ọcha.
Lelee ọnọdụ microscopic nke elu workpiece site n'enyemaka nke iko na-ebuli elu ma ọ bụ microscope iji chọpụta adịghị ọcha ndị fọdụrụnụ.
3. Nchọpụta adịghị ike:
Jiri ihe nleba anya nke siri ike tụọ oke ike nke elu workpiece, dị ka Ra (mpụta mgbako nke profaịlụ), Rz (elu profaịlụ profaịlụ), wdg.
4. Nchọpụta nrụgide fọdụrụnụ:
Tulee nrụgide fọdụrụnụ n'elu nke workpiece mgbe agbachara ọkụ site na usoro X-ray diffraction, ụzọ oghere kpuru ìsì na ụzọ ndị ọzọ iji nyochaa mmetụta nke ịgbawa agbawa na arụmọrụ nke workpiece.
5. Nnwale adhesion mkpuchi mkpuchi:
The mkpuchi na-etinyere n'elu nke workpiece mgbe ogbugba ogbunigwe, na mgbe ahụ mkpuchi adhesion na-anwale, nke na-apụtachaghị ìhè mmetụta nke ogbugba blasting ihicha mmetụta na mkpuchi adhesion.
