Matsalar rashin daidaito kaurin bango namanyan bututun ƙarfe maras diamitaya zama ruwan dare gama gari wajen samar da bututun karfe maras sumul, sannan kuma ciwon kai ne ga kwastomomi. Rashin daidaituwar bututun ƙarfe maras kauri mai kauri yana nunawa a cikin bangon karkace mara daidaituwa, kaurin bango mara daidaituwa, kaurin kai da wutsiya ya ɗan yi kauri da sirara.

Dalilin rashin daidaituwa na bututun ƙarfe mai girman diamita mara kyau shine karkata tsakiyar layin sanyi na birgima na injin yankan, kusurwoyi daban-daban na ramuka biyu masu zafi, ko rashin daidaituwar kaurin bangon da ke haifar da shi. dalilan daidaitawa irin su ƙananan raguwa a gaban saman. Duk tsawon bututun yana karkata ko'ina. Wani muhimmin ma'auni na rigakafi shine daidaita layin tsakiyar mirgina sanyi na injin yankan ta yadda ma'aunin karkata na raƙuman zafi guda biyu su kasance iri ɗaya, da daidaita injin zane mai sanyi bisa ga mahimman sigogin da aka samu daga teburin mirgina sanyi.

Dalilin rashin daidaiton kauri na katangar madaidaiciya shine tsayin sirdi na riga-kafi na mandrel ba a daidaita shi yadda ya kamata ba, kuma mandrel yana taɓa capillary a wani gefen yayin riga-kafin, wanda ke haifar da faɗuwar zazzabi na saman Layer. na capillary ya faduwa da sauri, yana haifar da kaurin bango mara daidaituwa ko ma lahani. . Tazarar tsiri mai zafi na injin mirgina ya yi ƙanƙanta ko babba. Maɓallin tsakiya na injin zane mai sanyi. Rashin daidaituwa na raguwa guda ɗaya da ninki biyu zai haifar da karkatar da siffa ta layi na ultra-bakin ciki ( matsananci-kauri) a cikin alkiblar rakiyar guda da matsananci-bakin ciki ( matsananci-bakin ciki) a cikin alkiblar racks biyu. Muhimmin ma'aunin kariya shine sarrafa tsayin sirdi na farko don tabbatar da cewa mandrel da capillary sun kasance a tsakiya. Lokacin canza ramin farantin karfe da ƙayyadaddun ƙirar ƙirar sanyi, ya zama dole don auna daidaitaccen rata mai zafi mai zafi, ta yadda ainihin madaidaicin tsiri mai zafi ya dace da tebur mai sanyi.

Dalilin rashin daidaituwar kaurin bangon kai da wutsiya shi ne, yanke gangar jikin gaban ƙarshen bututun ƙarfe mai girman diamita, lanƙwasawa ya yi girma sosai, kuma karkata ga ramin taimako yana da sauƙi don haifar da kaurin bango mara daidaituwa. na shugaban bututu maras kyau. Lokacin da ramin ya karye, ƙimar faɗaɗɗen ƙima yana da girma sosai, rabon watsawa na tsiri mai zafi ya yi yawa, kuma jujjuyawar sanyi ba ta da ƙarfi. Ƙarfe mara ƙarfi na jifa na'ura na iya haifar da kauri mara daidaituwa a ƙarshen bututun capillary cikin sauƙi. Matakan rigakafin shine duba ingancin bututun ƙarfe mai girman diamita, hana ƙarshen gaban babban bututun ƙarfe mara nauyi daga yanke gangara, kuma adadin raguwa yana da yawa. Ana amfani da saurin fashewar ƙananan rami don tabbatar da kwanciyar hankali na mirgina sanyi da daidaiton bango mai kauri sosai. Lokacin da aka daidaita rabon watsawa na tsiri mai zafi, ana kuma daidaita farantin jagorar daidai gwargwado.