Don cimma sakamako mai kyau na warkarwa, dole ne a yi la'akari da wasu dalilai, ciki har da:
1. Tsarin ɗakin warkarwa da yanayin da ya dace: saurin da adadin iska mai zafi daga na'urar dumama da rami; ƙasa da ɓangarorin biyu ko da yawa na ɗakin warkarwa suna da isasshen zafin zafi iri ɗaya; ƙaramin bambanci tsakanin zafin jiki na gaske da na saita, da adana zafi da fitar da sharar gida sun cika buƙatun; fim ɗin yana da sauƙin motsawa da ɗauka.
2. Kayayyaki sun cika buƙatun fasaha.
3. Ayyukan, ƙimar corona, juriyar zafi, da sauransu na fim ɗin lamination.
4. Manna: manna mai narkewa, manna mara narkewa, manna ruwa ɗaya ko biyu, manna mai narkewa mai zafi, da sauransu.
Wannan takarda ta fi mayar da hankali kan fina-finan lamination da manne.
1. Fina-finan Lamination
Fim ɗin PE mai yawan gaske, juriya ga zafi da kuma aikin kariya, wanda ake amfani da shi sosai, zai fi kyau idan yawan PE ya ƙaru. Fim ɗin PE mai yawan iri ɗaya amma tsarin samarwa daban-daban yana da ayyuka daban-daban.
Ana iya sanyaya CPE da sauri, tare da ƙarancin lu'ulu'u, babban bayyananne da ƙarancin turbidity. Amma tsarin ƙwayoyin halitta ba shi da tsari akai-akai, wanda hakan ke sa shi yin aiki mara kyau na shinge, wanda shine babban watsawa. Kuma haka yake da LDPE. Saboda haka, zafin jiki na curing bai kamata ya yi yawa ba lokacin amfani da fina-finan PE. Lokacin da juriyar zafi na PE ta inganta, zafin jiki na curing zai iya zama mafi girma.
2. Manne
2.1 EthylManna Mai Tushe
Dangane da aikin fim ɗin lamination da manne, yanayin mannewa za a iya raba shi zuwa matakai daban-daban:
1. Zafin jiki 35℃, lokaci 24-48h
2. Zafin jiki 35-40℃, lokaci 24-48h
3. Zafin jiki 42-45℃, lokaci 48-72h
4. Zafin jiki 45-55℃, lokaci 48-96h
5. Na musamman, zafin jiki sama da 100℃, lokaci bisa ga tallafin fasaha.
Ga samfuran gama gari, idan aka yi la'akari da yawansu, kauri, hana toshewa, aikin juriyar zafi na fina-finai da girman jakunkuna, zafin da ke wartsakewa bai kamata ya yi yawa ba. Yawanci, 42-45℃ko ƙasa da haka ya isa, lokaci yana ɗaukar awanni 48-72.
Fina-finan lamination na waje, waɗanda ke buƙatar babban aiki da juriya ga zafi mai kyau, sun dace da zafin jiki mai zafi, kamar sama da digiri 50.℃Fina-finan ciki, kamar PE ko CPP mai rufe zafi, sun dace da 42-45℃, lokacin tsaftacewa zai iya zama mafi tsawo.
Kayayyakin tafasa ko na gyara fata, waɗanda ke buƙatar aiki mai kyau da juriyar zafi mai yawa, ya kamata su dace da yanayin mannewa da masana'antar manne ta samar.
Lokacin tsaftacewa ya kamata ya yi daidai da ƙimar kammala amsawar, ma'aunin gogayya da aikin rufe zafi.
Kayayyaki na musamman na iya buƙatar zafin jiki mai ƙarfi.
2.2 Manna mara narkewa
Idan aikin rufewa ya cika buƙatun, ga samfuran laminating marasa narkewa, waɗanda fina-finan ciki ke da ƙarancin yawa, manne suna da monomers kyauta da yawa, wanda hakan ke sa rufewa ya yi wuya. Saboda haka, ana ba da shawarar a tsaftace ƙananan zafin jiki, don digiri 38-40.℃.
Idan ƙimar kammala amsawar ta cika buƙatun, ya kamata a yi la'akari da tsawon lokacin warkarwa.
Idan fim ɗin rufe zafi yana da yawan yawa, zafin jiki mai warkewa ya kamata ya zama 40-45℃. Idan ana buƙatar inganta ƙimar kammala amsawar amsawa da aikin rufe zafi, lokacin warkarwa ya kamata ya fi tsayi.
Gwaji sosai kafin a samar da kayayyaki da yawa, don tabbatar da ingancinsu.
Bugu da ƙari, ya kamata a yi la'akari da danshi. Musamman a lokacin hunturu mai bushewa, danshi mai kyau na iya hanzarta saurin amsawa.
2.3 Mannai Masu Ruwa
Lokacin da ake yin lamination na VMCPP, injin lamination dole ne ya bushe sosai, ko kuma za a yi amfani da lamination ɗin aluminated. A lokacin wartsakewa, zafin bai kamata ya yi yawa ko ƙasa da haka ba. Zafin jiki mai yawa zai haifar da babban gogayya.
2.4 Man shafawa mai zafi
Yawanci zaɓi maganin halitta, amma aikin mannewa bayan narkewa ya kamata a lura.
3. Tsananta Kula da Zafin Jiki na Warkewa
A cewar bincike, a fannin yawan amsawar, kusan babu wani martanin da ya kai kasa da shekaru 30.℃. Sama da 30℃, kowane 10℃mafi girma, saurin amsawar yana inganta kusan sau 4. AmmaBa daidai ba ne don inganta zafin jiki don hanzarta saurin amsawa a makance, ya kamata a lura da abubuwa da yawa:ainihin ƙimar amsawa, ma'aunin gogayya da ƙarfin rufe zafi.
Domin cimma mafi kyawun sakamako na warkarwa, ya kamata a raba zafin jiki na warkarwa zuwa fannoni daban-daban, dangane da fina-finan lamination da tsarin su.
A halin yanzu, matsalolin da aka saba fuskanta sune kamar haka:
Na farko, zafin jiki mai narkewa ya yi ƙasa sosai, wanda hakan ke sa saurin amsawa ya yi ƙasa, kuma samfurin yana da matsala bayan an rufe shi da zafi ko kuma an tafasa shi.
Na biyu, zafin da ke matsewa ya yi yawa kuma fim ɗin rufewa mai zafi yana da ƙarancin yawa. Samfurin yana da mummunan aikin rufewa mai zafi, babban haɗin gogayya da mummunan tasirin hana toshewa.
4. Kammalawa
Domin samun mafi kyawun tasirin warkarwa, zafin jiki da lokacin warkarwa ya kamata a yanke su ta hanyar zafin yanayi da danshi, aikin fim ɗin da aikin mannewa.
Lokacin Saƙo: Afrilu-22-2021