N'ime ụlọ ọrụ mmepụta ihe, ụfọdụ ndị mmadụ na-emebu atụmatụ na arụ ọrụ okirikiri bụ ihe a na-ahụkarị karịa arụ ọrụ dị larịị, sitere na kposara, mkpụrụ, gaskets, na cylinders na bearings. Ngwa nke workpieces okirikiri dị elu n'ezie.
Maka ihe ndị a na-agbanwe agbanwe, ihe kacha mkpa dị mkpa ka e lebara ya anya bụ ka a ga-esi nyochaa ezi okirikiri ha. Taa, anyị ga-ewebata akara na nkọwa ndị metụtara okirikiri (ụkpụrụ ntụaka: ISO/DIS 1101:2017, ISO 5459)
Gburugburu
Mwepụta nke okirikiri kwesịrị ịbụ naanị na mpaghara nnabata n'etiti okirikiri concentric abụọ nke coplanar nwere ọdịiche dị n'obosara nke t.
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Izi ezi
Ekwesịrị ịbụ akụkụ nke ewepụtara na elu cylindrical naanị na mpaghara nnabata n'etiti ahịrị abụọ yiri ya na anya nke t na ntụzịaka a kapịrị ọnụ.
Ịdị nro
Ọ bụ mpaghara n'etiti ụgbọ elu abụọ yiri ya na anya nke uru ndidi t.
Cylindricity
Mwepụta nke elu cylindrical kwesịrị ịbụ naanị na mpaghara nnabata nke emere n'etiti oghere abụọ coaxial cylindrical nwere ọdịiche radius nke t.
Ntụkwasị obi
Ebe etiti mmịpụta nke okirikiri kwesịrị ịbụ oke n'ime mpaghara nnabata nke ejiri okirikiri nwere dayameta nke t nke nwere concentric na ntụaka.
Coaxiality
Akwụsị nke ewepụtara kwesịrị ịmachi n'ime mpaghara nnabata nke e guzobere site na elu cylindrical nwere dayameta nke t nke bụ coaxial na ntụnye aka.
vetikal
Akwụsị nke ewepụtara kwesịrị ịbụ naanị na mpaghara nnabata nke elu cylindrical nwere dayameta nke t na n'akụkụ ụgbọ elu ntụaka.
