Abubuwan da ke shafar matakan gyaran gyare-gyare na foda

Abubuwan Da Suka Shafi Matsayin Matsayin Abincin Foda

Foda shafi ne wani sabon nau'i na sauran ƙarfi-free 100% m foda shafi. Yana da manyan nau'i biyu: thermoplastic foda coatings da thermosetting foda coatings. An yi fenti da guduro, pigment, filler, wakili na warkewa da sauran abubuwan taimako, a gauraya shi daidai gwargwado, sannan a shirya shi ta hanyar fitar da zafi mai zafi da siffa da sieving. An adana su a dakin da zafin jiki, barga, electrostatic spraying ko fluidized gado tsoma shafi, reheating da yin burodi narke solidification, sabõda haka, samuwar wani santsi da kuma dorewa shafi fim, don cimma manufar ado da lalata kariya.

Abin da ake kira matakin fenti yana nufin cewa fim ɗin fenti yana da santsi bayan an yi amfani da shi. Kyakkyawan shimfidar wuri bai kamata ya sami rashin daidaituwa kamar bawon lemu, alamar goga, corrugations, da ramukan raguwa ba. A al'ada, mutane kai tsaye suna kallon ido tsirara ta hanyar kwatanta samfurin tare da ma'auni na samfurin don kimanta matakin ƙaddamar da fim ɗin shafi. Wannan hanya ta bambanta daga mutum zuwa mutum kuma tana da ƙaƙƙarfan magana. Hanyar duba tsawon zangon da aka yi amfani da shi a cikin masana'antar kera motoci don nuna yanayin yanayin fuskar fim ɗin yana da tasiri mai ƙima. Ana amfani da sikanin tsayi mai tsayi (10-0.6 mm) da gajeriyar igiyar ruwa (0.6-0.1 mm), kuma ƙimar da aka auna tsakanin 0 da 100. Ƙarƙashin ƙima, ƙaddamar da murfin murfin kuma mafi kyawun daidaitawa.
Abubuwan da ke shafar matakin haɓaka kayan kwalliyar foda sun haɗa da abubuwa biyar:

Na farko, narke danko na foda coatings

Domin thermosetting foda coatings, a cikin narke kwarara tsari, tare da giciye-link curing dauki, da mafi girma da zazzabi, da sauri da curing dauki, da sauri danko na tsarin ya tashi, da guntu lokacin kwarara, da kuma m matakin. Sabili da haka, lokacin zabar resin, mun zaɓi resin tare da ƙananan danko, wanda ke nuna aikin jinkirin, don haka rufin zai iya samun isasshen lokaci don daidaitawa.

Na biyu, matakin ƙara ƙara

Ana ƙara kayan taimakon daidaitawa da suka dace zuwa tsarin suturar foda. Lokacin da aka narkar da murfin foda, waɗannan abubuwan ƙari na iya hanzarta rage tashin hankali na rufin, inganta saurin kwararar murfin kafin a warkewa da kawar da ko rage kwasfa na orange, alamomin goga, da ripples. , Ƙunƙasa da sauran lahani na saman.

Na uku, zabi na pigment

Kafin daidaitawa launuka, Dole ne mu ba kawai daidaita launin launi daban-daban ba, amma kuma la'akari da shayar mai da adadin kowane pigment. Ruwan mai na inorganic pigments ya fi na halitta pigments, don haka za mu iya kokarin kauce wa amfani da kwayoyin pigments. Ya kamata a daidaita jimlar adadin pigments daban-daban bisa ga buƙatun abokan ciniki don sutura. Ko da pigment tare da ƙananan shayar mai, wuce kima zai sa matakin ya lalace.

Na hudu, zabin filler

An san cewa filler a cikin foda ba kawai rage farashin ba amma kuma inganta kaddarorin kayan kwalliyar foda, musamman juriya. Koyaya, filler mara kyau zai ba da foda mai kisa. A cikin kwayoyin halittaral, da mai sha na barium sulfate ne karami fiye da na alli carbonate, kaolin, mica foda, ma'adini foda, silicon foda, da dai sauransu The mafi kyau diamita da kuma mafi girma da sheki, da finer da barbashi girman sauran fillers, mafi girma da. sha mai kuma mafi talauci da matakin.

Na biyar, tsarin warkewa

Akwai tsarin hawan zafin jiki lokacin da aka gasa murfin foda. Gudun saurin dumama yana da tasiri mai mahimmanci akan daidaitawar sutura.
A takaice, la'akari da tandarall tsarin tsarin, dole ne mu fara zaɓar ƙananan danko, resin mai jinkirin jinkiri a matsayin babban kayan tushe, ƙara yawan adadin ma'auni, da kuma amfani da pigments da filer (barium sulfate) tare da ƙananan ƙwayar mai. Bugu da ƙari, ana daidaita sigogin tsari daidai a cikin aiwatar da extrusion da milling don cimma ƙarin bayyanar dukiya.