Da fari dai, abokin ciniki yana buƙatar fayyace ƙayyadaddun bayanai da samfuran samfurangwiwar hannusuna buƙatar siyan, wato, diamita na gwiwar hannu, Ya kamata su yi la'akari da ko za a zabi daidai gwiwar hannu ko rage gwiwar hannu, da kuma tabbatar da ma'auni, matakan matsa lamba, ko kauri na bango na gwiwar hannu.Abu na biyu, ya kamata a yi la'akari da kayan aikin gwiwar hannu.Abu na biyu, ya kamata a magance matsalar rigakafin lalata, da kuma ko ana buƙatar fentin gwiwar hannu ko kuma a yi yashi.
1. Me yasa kula da kayan aikin gwiwar hannu?
Don dalilai daban-daban, wajibi ne a yi amfani da madaidaicin madaidaicin kayan daban-daban don daidaitawa.Ana iya raba kayan gama gari zuwa cikinbakin karfe gwiwar hannukumacarbon karfe gwiwar hannu.Abubuwan sinadaran da ke ƙunshe a cikin maƙarƙashiyar bakin karfe za su hana saman gwiwar gwiwar yin tsatsa da lalata na dogon lokaci.Babban dalilin da ya bambanta da carbon karfe gwiwar hannu ne bambanci a cikin kayan.
An kafa gwiwar gwiwar bakin karfe ta hanyar buga siffa mai madauwari daga takardan abu guda, a haɗa rabi biyu tare sannan a haɗa su tare.Bayan an tura shi, sai a sake fasalinsa a ƙarƙashin dumama don tabbatar da cewa diamita na waje da kaurin bangon gwiwar hannu sun cika buƙatun.Sa'an nan kuma, ana aiwatar da leƙen asiri don cire fata mai oxide akan daidai gwiwar gwiwar hannu da kuma saman saman kan lanƙwasawa, tare da karkatar da iyakar biyu don walƙiya cikin sauƙi.
2. Me yasa kula da girman gwiwar hannu?
Hannun gwiwar hannu na yau da kullun shine girman sau ɗaya da rabi, wanda R=1.5D ke wakilta.Koyaya, a duk faɗin kasuwar dacewa da bututu, yawancin ƙirar ƙira sune 1.25D, wanda shine rata na 0.25D.Kayan albarkatun da ake amfani da su don tura gwiwar hannu, wato, bututu, na iya yin ceto mai yawa, wanda zai haifar da babban bambanci na nauyi da bambancin farashi.Wannan ana kiransa da madaidaicin gwiwar hannu, waɗanda suka fi guntu da yawa.Samfurori marasa dacewa na gwiwar hannu kuma na iya haifar da matsalolin rashin daidaituwa yayin amfani, haifar da rashin daidaituwar kayan aiki.
3. Me ya sa muke buƙatar sanin ko ana buƙatar maƙarƙashiyar hana lalata?
Maganganun da ke hana lalata yana nufin gwiwar hannu da aka sarrafa kuma aka yi amfani da ita ta hanyar fasahar hana lalata, wanda zai iya hana ko rage saurin faruwar halayen sinadarai a lokacin sufuri da amfani, wanda ke haifar da lalatar gwiwar gwiwar.Hanyoyi na yau da kullun sun haɗa da yin amfani da suturar da ba mai guba da wari ba don jiyya, da shafa foda epoxy a saman gwiwar gwiwar hannu ta amfani da feshin electrostatic.Ƙunƙarar ƙwayar cuta ba kawai lalata ba ne, amma har ma da juriya ga lankwasa, babban zafin jiki, tasiri, bushewa da sauri, juriya na alkali, mannewa mai kyau, juriya na acid, juriya na gishiri, da laushi mai kyau.Sun dace da fannoni daban-daban kamar iskar gas, kula da najasa, man fetur, da ruwan famfo.Gabaɗaya ana amfani da maƙarƙashiya na hana ɓarna a wasu lokuta na musamman.
4. Me yasa kula da kauri na bango na gwiwar hannu?
Daukar gwiwar hannu wajen samar da iskar gas da kuma aiki a matsayin misali, gwiwar hannu na tara iskar gas da bututun sufuri na da saurin yin shudewa a karkashin gurbacewar iska da zaizayar kasa, wanda ke shafar amincin aikin bututun.Sabili da haka, wajibi ne a auna girman bangon a gwiwar gwiwar bututun.Aikace-aikacen fasahar auna kauri na ultrasonic a cikin bangon kauri samfurin dubawa na sashin gwiwar gwiwar hannu na tara iskar gas da kuma hanyar sadarwar bututun sufuri ana amfani da su.
Lokacin aikawa: Afrilu-27-2023
