Twin Haƙorin Zaren Ruwa

Sabuwar ci gaban fasaha na yanke zaren shine ruwa mai siffar geometric na musamman (hakora biyu tare da kwane-kwane daban-daban). Wannan haɗin gwiwar yana ba da damar adadin bugun jini don samar da cikakken zaren don ragewa da kusan kashi 40% idan aka kwatanta da kayan aikin hakori guda ɗaya, yayin da kuma yana haɓaka rayuwar kayan aiki.

Ko da yake a zahiri yana da ruwan wukake mai haƙora iri-iri, amma babban ƙwanƙwasa Tap TT (twin-toothed blade) yana shawo kan matsalar da ke da alaƙa da kayan aikin haƙora da yawa na al'ada, wato, girgizar da ta haifar da babban ƙarfi. Idan aka kwatanta da ruwan wukake na gargajiya, yankan gefen TT Blade yana da ɗan gajeren tsayin meshing, wanda ke rage ƙarfin yankewa kuma yana rage haɗarin girgiza. Kuma saboda ɗan gajeren tazara (t size) na siffar hakori zuwa gefen TT ruwa, zaren za a iya na'ura kusa da mataki. 

Wani fa'idar ita ce, ana niƙa ruwan TT a daidaitattun ɓangarorin 16, kuma sauran ruwan haƙori na buƙatar manyan blanks masu tsada. Makullin yankan inganci na TT ruwan wukake shine ƙirar "ƙananan haƙori/Gama siffar haƙora", wanda a cikinsa haƙoran haƙora sun fi guntu fiye da karewa. Saboda haka, zaren gubar ba shi da zurfi sosai fiye da zaren na biyu.

A kowane hali, waɗannan haƙoran ta wata hanya suna daidaita daidai gwargwado na bayanin martabar haƙoran da aka ƙera. Kwakwalwar haƙori na farko na aikin aikin Cheijin yana nuna madaidaicin jagora fiye da haƙori na biyu na ƙwanƙwaran gama zaren da aka gama. TT Blade yana kammala yanke guda biyu daban-daban maimakon kammala yanke guda biyu iri ɗaya a zurfin daban-daban. Kowane haƙori an inganta shi don dacewa, kuma a gaskiya kowane haƙori yana ba da haɗin gwiwa tare da juna don samar da cikakkiyar siffar hakori da wuri-wuri. 

Bugu da ƙari, kowane haƙori yana cire kusan daidai da kayan da aka ambata don kula da ma'auni na ƙarfin da aka wuce zuwa kushin wuka. Wannan ba yana nufin cewa sabon siffa mai yankewa ba idan dai ana iya sarrafa bugun jini cikakken zaren, kawai yanke wani ƙaramin sashi na ƙarar yana da kusan daidai, ruwan wukake ta wasu bugun jini don kammala ciyarwar radial.