Yanayin tsarin samarwa
Stretch Film wani nau'i ne na marufi da ake amfani da shi tare da na'ura mai jujjuya, wanda ake amfani da shi don tattara abubuwa don sauƙi na sufuri.A cikin farkon kwanakin, LLDPE fina-finai da aka shimfiɗa sun kasance mafi yawan fina-finai masu busa, kuma sun haɓaka daga Layer-Layer zuwa Layer biyu da uku.Tare da ci gaban tattalin arzikin zamantakewa, LDPE shimfiɗa fim ya zama babban kasuwa na kasuwa.
The narkewa zafin jiki na mike film ne kullum sarrafawa a 250 ℃ ~ 280 ℃, da zafin jiki na simintin sanyaya yi da ake sarrafa a 20 ℃ ~ 30 ℃, da iska tashin hankali ya zama low, kullum a cikin 10kg, domin sauƙaƙe da danko. wakili Matsar da shi yayin da rage damuwa na ciki na fim ɗin da aka gama.Wannan shi ne yanayin tsarin samar da shi.
Ikon mannewa
Kyakkyawan danko yana sa fim ɗin marufi da yadudduka a waje na kayan manne tare don tabbatar da kayan.Akwai manyan hanyoyi guda biyu don samun danko: ɗaya shine ƙara PIB ko masterbatch ɗin sa zuwa polymer;ɗayan shine haɗa VLDPE .PIB ruwa ne mai danko mai jujjuyawa, ana buƙatar kayan aiki na musamman ko gyara kayan aiki don ƙari kai tsaye, kuma ana amfani da PIB masterbatch gabaɗaya.Akwai tsarin ƙaura na PIB, wanda yawanci yakan ɗauki kwanaki uku, kuma yanayin zafi yana shafar shi.Lokacin da zafin jiki ya yi girma, danko yana da ƙarfi;lokacin da zafin jiki ya yi ƙasa, ba ya da yawa, kuma danko yana raguwa sosai bayan mikewa.Saboda haka, da ƙãre fim ne mafi kyau a adana a cikin wani zafin jiki kewayon (bayyanar ajiya zazzabi ne 15 ℃ ~ 25 ℃).Haɗe tare da VLDPE, danko ya ɗan yi rauni, amma babu buƙatu na musamman don kayan aiki.Danko yana da ɗan kwanciyar hankali, ba a sarrafa shi ta lokaci ba, amma kuma ya shafi yanayin zafi.Yanayin zafin jiki yana da ɗanɗano sosai lokacin da zafin jiki ya fi 30 ° C, kuma ɗanɗanon ɗanɗano ya fi muni lokacin da zafin jiki ya ƙasa da 15 ° C.Daidaita adadin LLDPE a cikin manne don cimma maƙasudin da ake so.Ana amfani da wannan hanya mafi yawa don haɗin gwiwa mai Layer uku.