Kabonnchara flangeNa-ezo aka na akụrụngwa carbon nke carbon, na-etinyekarị ọtụtụ ihe nchara, mgbe ụfọdụ a makwaara dị ka ígwè carbon doro anya. Carbon steel, nke a makwaara dị ka igwe carbon, na-ezo aka na carbon ọdịnaya nke WC bụ ihe na-erughị 2% nke carbon allona.

Uwe achicha kwesịrị ịbụ nyocha ultrasonic, enweghị ntụpọ; Ekwesịrị igbutu ya n'ime ibe n'akụkụ mmiri na-agagharị nke ígwè, ma welded n'ime mgbaaka site na iji cylindrical Ril right. A gaghị ewepụ efere nchara. Nke a na-eme ihe mgbanaka kwesịrị ịbụ ihe eji eme ihe; Ojiji nke carbon ígwè ejighị ihe mkpuchi ga-etinye na gbọmgbọm, na-agbakwunye ihe mkpuchi na-egbu egbu, na-ahọrọ ihe na-egbu egbu na-agbakwunye mkpuchi mkpuchi ahụ na gbọmgbọm.