Dalilai da mafita waɗanda ke shafar bayyana gaskiyar tef ɗin kariya don aluminum

Zaɓin manne mara kyau

Idan mannen ya fi duhu launi ko kuma ba shi da isasshen ruwa, aikin daidaitawa zai iya zama mafi kyau kuma a yadu sosai akan tef ɗin kariya na aluminium. Gabaɗaya, mafi girman ƙaƙƙarfan abun ciki na babban mannewa, mafi kyawun ruwa yana da amfani don yadawa akan fim ɗin. 75% na manne yana da kyau fiye da 50% na tasirin gaskiya, kuma 50% ya fi 40% ko 35% na manne. Laminating tare da 50% da 40% adhesives yana ƙalubalanci don tef ɗin kariya don aluminium tare da buƙatun bayyana gaskiya.

Matsaloli a cikin tsari

Da fari dai, zazzabi na tashar yin burodi na laminator ya yi yawa; bushewar ta yi saurin bushewa, sauran kaushi na saman manne yana da ƙarfi (evaporation), saman manne ya yi da wuri sosai, sannan lokacin da zafi ya shiga ciki na manne ɗin, sauran kaushi da ke ƙarƙashin fim ɗin manne zai yi tururi. lokacin da iskar gas ya ratsa saman fim ɗin manne don samar da dutsen mai aman wuta kamar rami, da'irar zobe, wanda hakan ya sa manne ɗin ba ya isa. Abu na biyu, idan na'urar na'ura mai ba da hanya tsakanin hanyoyin sadarwa ko scraper yana da lahani, wani matsi na musamman ba shi da ƙarfi, kuma samuwar sararin samaniya kuma zai haifar da fim ɗin bayan yarda ba a bayyana ba.

Anan don shiga yanayin aiki na iska a cikin ƙura yana da yawa; bayan manna iska mai zafi da aka tsotse a cikin tashar bushewa, akwai kuma ƙurar da ke manne a saman shimfidar manne ko haɗaɗɗen lokacin da aka yi sandwiked tsakanin nau'ikan fim ɗin tushe guda biyu, ƙura mai yawa da ke haifar da rashin fahimta ko rashin fahimta.

Maganin shine na'ura mai rufaffiyar laminating a ɓangaren manne, bushewar tashar iska ta tashar iska tare da babban adadin raga na tacewa, tare da toshe ƙurar da aka tsotsa (wato, tashar bushewa mai iska mai zafi a cikin ƙura).

Bugu da ƙari, babu wani abin nadi mai yadawa, ko abin nadi mai yadawa ba shi da tsabta; zai sanya fim ɗin bayan abin da aka haɗe bai yi kyau ba, ko kuma abin da aka haɗa akan adadin manne bai isa ba, manne marar daidaituwa, babban fayil mai ƙananan kumfa, yana haifar da tabo ko ɓoye.

Maganin shine a duba tare da daidaita adadin manne ta yadda ya isa kuma an rufe shi daidai, wanda ya haifar da abin da aka fi sani da "fim fuskar fuska na hemp."

Sauran Matsaloli

Ya kamata a lura da cewa yawan zafin jiki na laminating zafi drum bai isa ba, zafi mai narkewa na manne ba ya narke, zazzabi na abin nadi mai sanyaya ya yi yawa, kuma ba zai yiwu a kwantar da shi ba zato ba tsammani, duk wanda zai iya haifar da rashin gaskiya a fim.

Magani: zazzabi na drum mai zafi kada ya zama ƙasa da digiri 70; ɓangaren narke mai zafi na gel zai fara narkewa kawai lokacin da yawan zafin jiki ya kai digiri 65; bayan narkewa, ba kawai za a inganta nuna gaskiya ba, amma har ma za a ƙara ƙarfin haɗin gwiwa. Ya kamata a sanyaya rollers masu sanyaya ta hanyar sanyaya ruwa ko zazzagewar ruwa mai sanyi; da sauri da saurin sanyaya, mafi kyawun nuna gaskiya, mafi kyawun shimfidar fim ɗin da aka haɗa, kuma mafi kyawun ƙarfi.