1. Ma'anar Fim ɗin Miƙewa na PE
Fim ɗin shimfiɗawa na PE (wanda aka fi sani da naɗewa mai shimfiɗawa) fim ne na filastik wanda ke da sifofin mannewa wanda za a iya miƙewa da naɗewa sosai a kusa da kaya, ko dai a gefe ɗaya (extrusion) ko kuma a ɓangarorin biyu (busa). Mannen ba ya mannewa a saman kayan amma yana nan a saman fim ɗin. Ba ya buƙatar rage zafi yayin aikin marufi, wanda ke taimakawa wajen adana kuzari, rage farashin marufi, sauƙaƙe jigilar kwantena, da inganta ingancin kayan aiki. Haɗin fale-falen da forklifts yana rage farashin sufuri, kuma babban bayyananne yana sauƙaƙa gano kayayyaki, yana rage kurakuran rarrabawa.
Bayani dalla-dalla: Faɗin fim ɗin injina 500mm, faɗin fim ɗin hannu 300mm, 350mm, 450mm, 500mm, kauri 15um-50um, ana iya raba shi zuwa takamaiman bayanai daban-daban.
2. Rarraba Amfani da Fim ɗin Stretch na PE
(1) Fim ɗin Miƙewa da Hannu:Wannan hanyar galibi tana amfani da marufi da hannu, kuma fim ɗin shimfiɗa hannu gabaɗaya yana da ƙarancin inganci. Kowane birgima yana da nauyin kusan kilogiram 4 ko 5 don sauƙin aiki.
(2)Fim ɗin Miƙa Inji:Ana amfani da fim ɗin shimfiɗa na injina don marufi na inji, galibi ana amfani da shi ne ta hanyar motsin kayayyaki don cimma marufi. Yana buƙatar ƙarfin juriya mai ƙarfi da kuma shimfiɗa fim ɗin.
Matsakaicin miƙewa shine 300%, kuma nauyin miƙewa shine 15 kg.
(3)Fim ɗin Injin Kafin Ya Miƙewa:Ana amfani da wannan nau'in fim ɗin shimfiɗawa ne musamman don marufi na inji. A lokacin marufi, injin marufi yana fara miƙe fim ɗin zuwa wani rabo sannan ya naɗe shi a kan kayan da za a naɗe. Ya dogara ne akan sassaucin fim ɗin don haɗa kayan a hankali. Samfurin yana da ƙarfi mai ƙarfi, tsayi, da juriyar hudawa.
(4)Fim Mai Launi:Ana samun fina-finan shimfiɗa masu launi iri-iri a launuka shuɗi, ja, rawaya, kore, da baƙi. Masu kera suna amfani da su don haɗa kayayyaki yayin da suke bambanta tsakanin samfura daban-daban, wanda hakan ke sauƙaƙa gane kaya.
3. Kula da Mannewar Fim ɗin PE
Kyakkyawan mannewa yana tabbatar da cewa yadudduka na waje na fim ɗin marufi suna manne da juna, yana ba da kariya daga saman samfura da kuma samar da wani Layer na waje mai sauƙi mai kariya a kusa da samfuran. Wannan yana taimakawa hana ƙura, mai, danshi, ruwa, da sata. Abu mafi mahimmanci, marufi na fim ɗin shimfiɗa yana rarraba ƙarfi a kusa da abubuwan da aka marufi daidai gwargwado, yana hana damuwa mara daidaituwa wanda zai iya haifar da lalacewa ga samfuran, wanda ba za a iya cimma shi ta hanyar hanyoyin marufi na gargajiya kamar ɗaurewa, ɗaurewa, da tef ba.
Hanyoyin da ake bi don cimma mannewa sun haɗa da nau'i biyu: ɗaya shine ƙara PIB ko babban batch ɗinsa zuwa polymer, ɗayan kuma shine a haɗa shi da VLDPE.
(1) PIB ruwa ne mai haske da ɗan haske. Ƙarawa kai tsaye yana buƙatar kayan aiki na musamman ko gyara kayan aiki. Gabaɗaya, ana amfani da babban rukunin PIB. PIB yana da tsarin ƙaura, wanda yawanci yana ɗaukar kwana uku, kuma zafin jiki yana shafar shi. Yana da ƙarfi mai mannewa a yanayin zafi mai yawa da ƙarancin mannewa a yanayin zafi mai ƙarancin zafi. Bayan shimfiɗawa, mannewa yana raguwa sosai. Saboda haka, fim ɗin da aka gama ya fi kyau a adana shi a cikin wani takamaiman kewayon zafin jiki (zafin ajiya da aka ba da shawarar: 15°C zuwa 25°C).
(2) Haɗawa da VLDPE yana da ɗan ƙaramin mannewa amma ba ya buƙatar kayan aiki na musamman. Mannewa yana da ƙarfi sosai, ba ya fuskantar ƙuntatawa na lokaci, amma kuma yana shafar zafin jiki. Yana da ɗan mannewa a yanayin zafi sama da 30°C kuma yana da ƙarancin mannewa a yanayin zafi ƙasa da 15°C. Daidaita adadin LLDPE a cikin layin manne na iya cimma ɗanko da ake so. Sau da yawa ana amfani da wannan hanyar don fina-finan haɗin gwiwa masu layuka uku.
4. Halayen Fim ɗin Miƙa PE
(1) Haɗaka: Wannan yana ɗaya daga cikin manyan halaye na marufi na fim mai shimfiɗawa, wanda ke ɗaure kayayyaki cikin ƙaramin na'ura mai tsayayye, koda a cikin yanayi mara kyau, yana hana sassautawa ko raba samfuran. Marufi ba shi da gefuna masu kaifi ko mannewa, don haka yana guje wa lalacewa.
(2) Kariya ta Farko: Kariya ta farko tana ba da kariya ta saman samfura, tana ƙirƙirar waje mai sauƙi mai kariya. Tana hana ƙura, mai, danshi, ruwa, da sata. Marufin fim ɗin shimfiɗa yana rarraba ƙarfi a kusa da abubuwan da aka shirya, yana hana ƙaura da motsi yayin jigilar kaya, musamman a masana'antar taba da masaku, inda yake da tasirin marufi na musamman.
(3) Tanadin Kuɗi: Amfani da fim ɗin shimfiɗawa don marufi na samfura na iya rage farashin amfani yadda ya kamata. Fim ɗin shimfiɗawa yana cinye kusan kashi 15% kawai na marufi na akwatin asali, kusan kashi 35% na fim ɗin rage zafi, da kuma kusan kashi 50% na marufi na akwatin kwali. Hakanan yana rage ƙarfin aiki, yana inganta ingancin marufi, kuma yana haɓaka ƙimar marufi.
A taƙaice, fannin amfani da fim ɗin shimfiɗa yana da faɗi sosai, inda har yanzu ba a bincika wurare da yawa a China ba, kuma wurare da yawa da aka bincika ba a yi amfani da su sosai ba tukuna. Yayin da fannin amfani ke faɗaɗa, amfani da fim ɗin shimfiɗa zai ƙaru sosai, kuma damarsa ta kasuwa ba ta misaltuwa. Saboda haka, ya zama dole a ƙarfafa samar da fim ɗin shimfiɗa da amfani da shi sosai.
5. Aikace-aikacen Fim ɗin Miƙa PE
Fim ɗin shimfiɗawa na PE yana da ƙarfin juriya, juriya ga tsagewa, bayyanannen abu, da kuma kyawawan halaye na murmurewa. Tare da rabon shimfiɗawa na 400% kafin a shimfiɗa shi, ana iya amfani da shi don sanya kwantena, hana ruwa shiga, hana ƙura shiga, hana wargajewa, da kuma hana sata.
Amfani: Ana amfani da shi don naɗe pallet da sauran marufi na naɗewa kuma ana amfani da shi sosai a cikin fitar da kayayyaki daga ƙasashen waje, ƙera kwalba da gwangwani, yin takarda, kayan aiki da na'urorin lantarki, robobi, sinadarai, kayan gini, kayayyakin noma, abinci, da sauran masana'antu.
Lokacin Saƙo: Oktoba-25-2023