Lu'u lu'u lu'u-lu'u kayan aiki ne wanda ba makawa kuma mai mahimmanci don hakar ma'adinai da sarrafa dutse. Akwai dalilai da yawa waɗanda ke ƙayyade ingancinsa da rayuwar sabis. Gabaɗaya magana, galibi ya haɗa da sigogi masu zuwa.

(1) Gudun linzamin linzamin linzamin linzamin kwamfuta: A cikin ainihin aiki, saurin madaidaiciya na madauwari mai zaƙi na lu'u-lu'u yana iyakance ta yanayin kayan aiki, ingancin igiyar gani da yanayin dutsen da aka yi. Dangane da rayuwar sabis da yankan yadda ya dace na tsintsiya madaurinki ɗaya, yakamata a zaɓi saurin madaidaiciyar tsintsiya madaurinki ɗaya bisa ga kaddarorin kayan dutse daban-daban. Lokacin sawing granite, za'a iya zaɓar saurin tsintsiya mai linzami a cikin kewayon 25m zuwa 35m/s. Don granite tare da babban abun ciki na ma'adini kuma yana da wuyar gani, yana da kyau a ɗauki ƙananan iyaka na saurin layin linzamin gani. Lokacin samar da fale-falen fale-falen granite, diamita na madauwari mai da'awar lu'u-lu'u da aka yi amfani da ita tana da ƙarami, kuma saurin layin zai iya kaiwa 35m/s.

(2) Zurfin yankan: Zurfin yanke wani muhimmin ma'auni ne da ke da alaƙa da lu'u lu'u-lu'u, tsintsiya mai inganci, ƙarfi akan igiyar gani da kaddarorin dutsen da ake yankewa. Gabaɗaya magana, lokacin da saurin layin lu'u-lu'u madauwari saw ruwa ya yi girma, ya kamata a zaɓi ƙaramin zurfin yankan. Daga fasahar zamani, ana iya zaɓar zurfin yankan lu'u-lu'u tsakanin 1mm da 10mm. Yawancin lokaci, lokacin da aka yi amfani da shinge na granite tare da babban diamita mai tsayi, ana iya sarrafa zurfin sawing tsakanin 1 mm da 2 mm, kuma ya kamata a rage saurin ciyarwa a lokaci guda. Lokacin da saurin layin lu'u-lu'u madauwari saw ruwa ya yi girma, ya kamata a zaɓi babban zurfin yankan. Koyaya, a cikin kewayon da aka halatta na aikin gani na injin da ƙarfin kayan aiki, yakamata a yi amfani da babban matakin yanke don yankan don haɓaka ingantaccen yankan. Lokacin da akwai buƙatu don injin da aka kera, ya kamata a yi amfani da ƙaramin zurfin yankan.

(3) Gudun ciyarwa: Gudun ciyarwa shine saurin ciyarwar dutsen da aka yanka. Girmansa yana rinjayar ƙimar yankan, ƙarfin da ke kan igiya da zafi da zafi a cikin yanki na sawing. Ya kamata a zaɓi darajarsa bisa ga yanayin dutsen da ake yi. Gabaɗaya magana, lokacin ganin duwatsu masu laushi, kamar marmara, ana iya ƙara saurin ciyarwa yadda ya kamata. Idan saurin ciyarwar ya yi ƙasa da ƙasa, yana da kyau don inganta ƙimar sawing. Lokacin da ake ganin granite mai kyau da ɗanɗano iri ɗaya, ana iya ƙara saurin ciyarwa yadda ya kamata. Idan saurin ciyarwar ya yi ƙasa da ƙasa, za a yi ƙasa da ruwan lu'u-lu'u cikin sauƙi. Duk da haka, a lokacin da sawing granite tare da m-grained tsarin da m taurin, da abinci gudun ya kamata a rage, in ba haka ba zai haifar da gani ruwa vibration da kuma haifar da lu'u-lu'u fragmentation rage sawing kudi. An zaɓi saurin ciyarwa don sawing granite gabaɗaya a cikin kewayon 9m zuwa 12m/min.