Kalmar "rigar ƙarshen sunadarai" kalma ce ta musamman a cikin tsarin yin takarda.Yawancin lokaci ana amfani da shi don bayyana sassa daban-daban (kamar zaruruwa, ruwa, da sauransu) , filler,sinadaran additives, da sauransu) ka'idar hulɗa da aiki.
A gefe guda, ana iya amfani da sinadarai mai ɗorewa don haɓaka magudanar ruwa, rage shigar iska da kawar da kumfa, tsaftace injin takarda, da kiyaye farin ruwa a cikin daskararru;a daya bangaren kuma, idan wadannan abubuwan suka fita daga sarrafawa, nau'ikan sinadarai iri ɗaya na iya sanya injin takarda ya yi aiki ba daidai ba, ya samar da tabo da kumfa a kan takarda, rage magudanar ruwa, sanya injin takarda ya ƙazantu, da rage haɓakar samarwa. .
An fi bayyana shi ta fuskoki masu zuwa:
1) Magudanar ruwa
Drainability shine muhimmin aiki a cikin aikin injin takarda.Matsayin magudanar ruwa na gidan yanar gizo na takarda zai shafi motsi tsakanin zaruruwa da zaruruwa da tsakanin filaye masu kyau da zaruruwa masu kyau.Idan tururuwa da aka kafa suna da girma kuma suna da ƙuri'a, ɓangaren litattafan almara zai zama ɗanɗano kuma ya hana wucewar ruwa, ta yadda zai rage magudanar ruwa.
2) Hazo da scaling
Lalacewa da lalata suna faruwa ne a lokacin da ilimin kimiyyar ƙarshen rigar ya ƙare, yin amfani da abubuwan da suka haɗa da sinadarai na yau da kullun, rashin daidaituwar caji, rashin daidaituwar sinadarai, da rashin daidaituwar sinadarai, da dai sauransu, duk waɗannan na iya haifar da lalata da ɓarna a cikin injin takarda.Datti, akwai hanyoyi da yawa don tsaftace laka da datti, amma hanya mafi kyau ita ce gano dalilin rashin kulawa da kuma gyara shi.
3) Samuwar kumfa
Filayen itace suna ɗauke da sinadarai masu daidaita iska a cikin ɓangaren litattafan almara (kuma wasu abubuwan da suka haɗa da sinadarai suna yin iri ɗaya), yana rage magudanar ruwa, yana haifar da mannewa da kumfa.Idan ya faru, hanya mafi kyau ita ce gano tushen dalilin kuma kawar da shi.Idan hakan bai yiwu ba, ana iya amfani da hanyoyin injiniya da sinadarai gabaɗaya don kawar da shi.A wannan lokacin, aikin rigar ƙarshen sunadarai ya ragu.
Lokacin aikawa: Maris 15-2023