Melamine Fuskantar panel kuma ana kiransa prelaminated panel tare da launi ko rubutu daban-daban. Melamine impregnated takarda ne paved uwa itace tushen bangarori kamar MDF, barbashi allon, plywood, block allo, sa'an nan laminated da high zafin jiki da kuma high pressure.Currently low matsa lamba low matsa lamba lamination ne rare. Takardar takarda melamine ba wai kawai zai iya inganta ƙarfin panel ba, ƙaƙƙarfan ƙarfi da kwanciyar hankali, amma kuma yana iya sa samansa yana da fa'idodin juriya na lalacewa, juriya mai zafi, rigakafin gurɓataccen yanayi, kare muhalli, lafiya da aiki.
Tsarin da aka riga aka tsara: Shirye-shiryen Panels → Tsaftace Tsaftace Takarda Melamine → Lamination → Mai Tsabtatawa → Dubawa → Store. Kafin lamination, dole ne mu zabi babban ingancin itace tushen bangarori da melamine impregnated takarda, kawai m albarkatun kasa za a iya zaba domin samarwa.
Takarda mai ciki yana buƙatar abun ciki na guduro shine 130-150%, abun ciki maras tabbas 6-7%, precuring digiri ≦ 65%. Takarda mai ciki na Melamine yakamata ta kasance cikin yanayi mai kyau, kuma an cika shi da fim don hana ɗaukar danshi. Yana da kyau a laminate kafin watanni 3 bayan samarwa, da kuma adana a cikin sito tare da dangi danshi na 60 + 5%, zazzabi 20-25 ℃. Shahararrun bangarori sune allon fiber, allon barbashi da plywood. Quality bangarori bukatun: 1) biyu gefen sanding, da surface ne santsi da haske, uniform kauri, kauri haƙuri 0.2mm. 2) gefuna na allo ba su da kyau, ba cin abinci ba, babu mai ko gurbataccen ruwa. 3) Danshi abun ciki na hukumar ana sarrafa shi a cikin kewayon 6-10%.
A lokacin lamination tsari, dole ne mu bi da fasaha bayani dalla-dalla, kula da latsa zazzabi 140-190 ℃, naúrar matsa lamba 2.0-3.0MPa, latsa lokaci 25-50s. Matsakaicin zafin jiki, matsa lamba da lokacin latsawa sun dogara da juna kuma an iyakance su, wanda za'a iya daidaitawa bisa ga ainihin ƙaunar latsawa. Zazzabi mai zafi shine galibi don haɓaka halayen sinadaran melamine guduro, mafi yawan zafin jiki mai aiki shine 140-190 ℃. Mafi girman zafin jiki na iya taimakawa sakin bayan latsawa, kuma yana iya rage lokacin latsawa, haɓaka ingantaccen samarwa.Amma yawan zafin jiki zai sa resin curing kafin kwararar uniform, wanda ke haifar da pore a saman allo. Matsayin da ya dace zai iya ba da garantin mannewa mai kyau tsakanin allunan da takarda mai ciki, matsi mai aiki gabaɗaya 2.0-3.0MPa, wanda ya dace da narkar da guduro da ƙarfafawa, yana samar da rufaffiyar ƙasa. A karkashin yanayin inganci mai kyau, ya kamata a yi amfani da ƙananan matsa lamba don tsawaita rayuwar sabis na kayan aiki, kuma yana da amfani ga tsarin ciki na boars. Amma ƙananan matsa lamba zai shafi ƙarfin mannewa da ƙarfin kwararar guduro. Dangane da nau'ikan bangarori daban-daban, matsa lamba na naúrar yana buƙatar daidaitawa ta hanyar matsewa. Lokacin latsawa ya dogara da saurin warkewar guduro a cikin takarda mai ciki da zafin jiki, kuma 25-50s shine mafi kyau. Lokaci ya yi tsayi da yawa zai haifar da resin curing wuce kima kuma ya rasa na roba, yana haifar da tsagewa ko cikin niyya kuma a cikin tsari mai zuwa zai kawo fashe, warping. Lokaci ya yi gajere sosai, resin resin bai isa ba, sanya allunan su manne kuma suna shafar dorewar samfurin.
Binciken lahani masu inganci na gama gari da kuma abubuwan da aka riga aka tsara:
1) Farin tabo, babban dalilin shine mummunan kwararar takarda a cikin takarda ko ƙasa da abun ciki na guduro. Dalilai na iya zama: babu yashi akan saman jirgi ko yashi ba iri ɗaya ba, inda yawan yawa ya ragu, yana haifar da yawan ƙwayar guduro a wannan yanki, kuma yana kawo mummunan kwararar guduro wanda ke haifar da tabo mai zurfi. matsa lamba bai isa ba a wadannan wuraren a lokacin lamiation, da kuma kawo mummunan ya kwarara na guduro, sa'an nan haifar da farin tabo.Too high zafin jiki, tare da ma low matsa lamba, kuma gurbataccen karfe farantin na iya shafar guduro kwarara, sa'an nan haifar da farin tabo.Mat diyya, manyan. zuwa daban-daban zafin jiki a kan daban-daban matsayi na karfe farantin karfe da kuma haifar da farin spot.Overtime ajiya na melamine impregnated takarda, high pre-curing digiri, ko ma low PH darajar a kan alluna, zai shafi guduro kwarara da kuma haifar da farin tabo. Maɗaukakin abun ciki na guduro akan takarda mai ciki na melamine na iya kawo kumfa a lokacin lamination kuma ya haifar da farin tabo.
2) Rigar tabo, yana nufin alamun raƙuman ruwa a kan allunan da aka riga aka tsara, kuma akwai lahani a bayyane. Babban dalilan su ne: Babban abun ciki mai canzawa akan takarda mai ciki ko takarda mai ciki ya zama damp zai haifar da tabo a lokacin lamination. Low pre-curing, low pre-curing, low pre-curing. latsa zafin jiki ko harbi lokacin dannawa, mai sauƙin faruwa rigar tabo.High danshi abun ciki a kan allo yana kaiwa zuwa rigar wuri a lokacin lamination.
3) M tare da farantin karfe yana nufin sandar katako na melamine tare da farantin karfe yayin lamination. Dankin danko kadan zai rinjayi ingancin saman, mai danko da gaske zai shafi samarwa.Main dalilai sune: babban abun ciki na guduro ko gurbataccen farantin karfe, yana haifar da sakin mara kyau. Babban abun ciki mai canzawa na takarda mai ciki, ƙarancin zafin jiki da ɗan gajeren lokacin latsawa, wanda ya haifar da guduro bai cika warkewa ba zuwa mummunan saki. Lalacewa akan tabarma da ke haifar da rashin daidaiton zafin jiki akan farantin karfe yana kawo mummunan saki. Babban abun ciki na danshi ko ƙimar PH mai girma akan allon yana kawo mummunan saki.
4) Kumfa, manyan dalilai: yawan zafin jiki mai yawa, tsayin lokaci mai tsawo yana kawo demix ko kumfa. Danshi mai yawa ko bakin ciki na alluna na iya kawo demix ko kumfa yayin lamination. Maƙarƙashiyar ƙarancin yawa yana haifar da demix ko kumfa.
5) Warping baka yana nufin saman da ba daidai ba ko yanke lankwasa saboda rashin daidaiton ƙarfin niyya. Babban dalilai sune: Babban bambanci a cikin matsa lamba tsakanin farantin karfe na sama da na ƙasa yana haifar da saurin warkewa daban-daban kuma yana haifar da faɗar baka. Melamine daban-daban takarda mai ciki a kan duka saman biyu na iya haifar da lanƙwasa bayan lamination. Idan an ɗora allunan da aka riga aka yi da zafi a kan pallets marasa ƙarfi, yana iya haifar da lanƙwasa.
A takaice dai, dole ne mu zabi takarda mai kyau da aka yi da katako da katako na katako a matsayin kayan albarkatun kasa, da kuma inganta tsarin samar da kayan aiki daban-daban, a karkashin haɗin gwiwar masu aiki da masu dubawa, wanda zai iya tabbatar da zaman lafiyar samfurin.