Sashen fasaha na TAA ya yi imanin cewa pretreatment na saman yana taka muhimmiyar rawa wajen aiwatar da sutura.Daga cikin abubuwa da yawa da suka shafi aikin shafi, gyaran fuska shine mafi mahimmanci.

Gyaran saman saman aiki ne na asali

Pretreatment na saman zai iya haifar da yanayi don sutura tare da kyakkyawan aiki a cikin bangarori biyu: a cikin injiniyoyi, yana samar da ƙarancin yanayi don sutura;Kuma a cikin sinadarai, yana sanya kwayoyin halitta na rufi a cikin kusanci da saman karfen karfe.

Cin nasara da mummunan sakamako na santsidominshafi

Idan farfajiyar ta kasance mai santsi, ba za a sami kyakkyawar mannewa tsakanin sutura da farfajiya ba, kuma za'a iya cire suturar da ke kan saman ba tare da wahala ba.Akasin haka, idan saman aikin aikin yana da ƙarfi kamar takarda mai yashi, ba shi da sauƙi don cire murfin.

Bayan harbi peening (yashi ayukan iska mai ƙarfi) magani, da karfe surface zai zama m kamar sandpaper, abin da muka sau da yawa kira surface roughness.

Abubuwa masu cutarwa marasa ganuwa ga ido tsirara

Yayin da ake jiyya da tsarin ƙarfe mai tsatsa kafin fenti, sassan da ke nuna ramukan lalata bayan fashewar fashewar abubuwa (musamman kasan ramin lalata) na iya ƙunsar gishiri mai narkewa.Busassun busassun fashewa ba zai iya cire waɗannan gishirin ba.Sabili da haka, kafin zanen, yana da kyau a bincika ko akwai salts masu narkewa da kuma maida hankali a kan farfajiyar aikin tare da kayan gwajin filin na musamman.Idan yawan gishiri mai narkewa ya wuce ƙimar da aka yarda, za a ɗauki matakan cire su.

Matsayin tsaftacewa

Tattalin arziki matsala ce da ya kamata mu yi la'akari da ita lokacin da aka ƙayyade matakin tsaftace saman.Gabaɗaya magana, mafi girman buƙatun tsabta, mafi girman farashin tsaftacewa.Don tsabtace saman ƙarfe, buƙatun tsafta na mafi girman matakin tsaftacewa (SA 3) sun fi tsada fiye da waɗanda ba na tsaftataccen matakin tsaftacewa ba (SA 2).Tsabtace shimfidar sifofin ƙarfe da aka yi amfani da su a cikin yanayi mai lalacewa mai tsanani yana buƙatar isa ga babban matakin, amma a wasu lokuta, ƙimar-tasirin rayuwar sabis ɗin shafi shima muhimmin abu ne a zaɓin matakin tsaftacewa.

The workpiece bi da wadanda ba karfe abrasive ba shi da wani Fe zarra saura kuma ba sauki ga tsatsa da discolor, amma yana da babban murkushe kudi, babban kura da kuma tsanani gurbatawa, wanda ba ya saduwa da bukatun na kare muhalli.TAAbakin karfe grit iya magance matsalolin da aka fuskanta da kyau.A cikin wani takamaiman filin tsaftacewa, ana buƙatar workpiece ba kawai don samun 'yanci daga lalata da canza launi bayan jiyya na saman ba, amma har ma don samar da wani ƙaƙƙarfan ƙazanta a saman kuma cimma isasshen mannewa bayan shafa.

Thekarfegritsanya dagahigh carbon karfe harbiiya saduwa da m bukatun bayan tsaftacewa, amma Fe atom za su kasance a kan surface, sakamakon da tsatsa da discoloration da kuma shafi shafi ingancin.

Bakin karfe yanke wayaiya hana workpiece surface daga tsatsa da discoloration, amma zai zama zagaye a lokacin ayukan iska mai ƙarfi, don haka ba zai iya saduwa da roughness bukatun.

Bakin karfe grit shi ne wani bakin abu grit barbashi, shi ba zai iya kawai warware matsalar lalata da discoloration saboda saura Fe atom, amma kuma yin gefuna da sasanninta samar da da ake bukata anga zurfin, inganta shafi ingancin da saduwa da shafi bukatun.Yana da faffadan fata na kasuwa.

Bugu da kari, bakin karfegritna iya maye gurbin yashi iri-iri na ma'adinai da abubuwan da ba na ƙarfe ba, irin su alumina oxide, emery, yashi quartz, beads na gilashi, da sauransu.

Idan aka kwatanta da abrasives marasa ƙarfe,bakin karfegrit zai iya kawo ƙananan farashin aiki, rage yawan ƙura, rage farashin cire ƙura da inganta yanayin aiki.

Aikace-aikace na bakin karfe grit: