Bakin Karfe Karfe Elbow
A cikin tsarin bututun, gwiwar hannu shine bututu mai dacewa wanda ke canza alkiblar bututun.Bisa ga kusurwa, akwai uku da aka fi amfani da su: 45° da 90°180°.Bugu da ƙari, bisa ga buƙatun injiniya, yana kuma haɗa da sauran maƙarƙashiyar kusurwa kamar 60°.
Kayan gwiwar hannu an jefar da baƙin ƙarfe, bakin karfe, gami da ƙarfe, ƙarfe na ƙarfe na ƙarfe, ƙarfe na ƙarfe, ƙarfe mara ƙarfe da robobi.Hanyoyin haɗi tare da bututu sune: walƙiya kai tsaye (hanyar da aka fi sani da) haɗin flange, haɗin narke mai zafi, haɗin haɗin lantarki, haɗin haɗin igiya da haɗin haɗin gwiwa, da dai sauransu. Hatimin gwiwar hannu, matsi mai zafi, ƙwanƙwaran turawa, ƙwanƙwasa simintin hannu, ƙirƙira gwiwar hannu, gwiwar hannu clip, da sauransu Sauran sunaye: gwiwar hannu 90°, lankwasa kusurwar dama, soyayya da lankwasa, farar gwiwar gwiwar karfe, da sauransu.
Ƙarfin ƙarfi da alamun ƙarfi sune mafi kyau a cikin kowane nau'in ƙarfe.Babban fa'idarsa shine juriya na lalata.Dole ne a yi amfani da bakin karfe a lokuta masu lalata sosai kamar yin takardan sinadarai.Tabbas, farashin kuma ya fi girma!
