U-kullunnau'in fastener na gama gari ne da ake amfani da shi don haɗa sassan da ke buƙatar tarwatsewa.Ana iya taƙaita fasahar sarrafa ta a matsayin matakai masu zuwa:
1.Material shirye-shiryen: Zaɓi kayan kwalliyar da suka dace, na kowa sun haɗa da carbon karfe, bakin karfe, da dai sauransu.
2.Cutting aiki: Na farko, an yi amfani da kayan kwalliya a cikin tsayin da ya dace, sa'an nan kuma ana aiwatar da tsarin jujjuya don na'ura mai kwakwalwa a cikin diamita da tsayin da ake bukata.
3.Grinding: Ana yin niƙa yawanci ta amfani da injin niƙa da injin niƙa, kuma ana buƙatar saita sigogin injin da suka dace da ƙafafun niƙa bisa ga buƙatun zaren.Bayan an yi niƙa, ana buƙatar duba zaren don tabbatar da ingancin kusoshi.
4.Heat magani: Bayan da kusoshi da aka kasa da kuma sarrafa, yana bukatar shan magani zafi.
5.Surface jiyya: Domin ƙara lalata juriya da aesthetics na kusoshi, surface jiyya za a iya amfani da kusoshi.Hanyoyin jiyya na gama gari sun haɗa da galvanizing, plating nickel, plating chromium, da dai sauransu.
Lokacin aikawa: Agusta-08-2023