1. Fim ɗin kumfa ba shi da kwanciyar hankali
1) Yawan zafin jiki na extrusion ya yi ƙasa sosai kuma adadin fitarwa yana da ƙananan;
Magani: daidaita zafin jiki na extrusion;
2) An tsoma baki tare da tasiri ta hanyar iska mai karfi na waje.
Magani: hanawa da rage tsangwama na kwararar iska na waje.
3) Girman iska na zoben iska mai sanyaya ba shi da kwanciyar hankali, kuma sanyaya fim ɗin kumfa ba daidai ba ne;
Magani: Duba zoben iska mai sanyaya don tabbatar da samar da iska iri ɗaya a kusa da;
4) zafin jiki na extrusion yana da yawa, yawan ruwa na resin da aka haɗa ya yi girma, danko yana da ƙananan ƙananan, sauƙi don samar da haɓaka;
Magani: Daidaita zafin jiki na extrusion;
2. Zafin zafi na fim din ba shi da kyau
1) Idan raɓa ya yi ƙasa da ƙasa, ƙwayoyin polymer za su kasance masu daidaitawa, don haka aikin fim ɗin yana kusa da na fim ɗin daidaitacce, yana haifar da raguwar aikin rufewar zafi;
Magani: Daidaita girman girman iska a cikin zobe, sanya raɓa mafi girma, kamar yadda zai yiwu a ƙarƙashin maɓallin narkewa na busa filastik da ƙwanƙwasa, don rage yanayin shimfidar kwayoyin halitta wanda ya haifar da busawa da raguwa;
Idan rabon buguwa da rabon gogayya ba su dace ba (mafi girma), fim ɗin zai sami daidaitawar ƙarfi, wanda zai shafi aikin rufewar thermal na fim ɗin.
Magani: rabon busawa da rabon gogayya ya kamata ya zama ƙanƙanta daidai, idan rabon busawa ya yi yawa, kuma saurin juzu'i ya yi sauri, a kwance da tsayin tsayin fim ɗin ya wuce kima, to hakan zai sa wasan kwaikwayon fim ɗin ya zama bidirectional. tensile, fim ɗin zafi sealing zai zama mafi muni.
3. Fim ɗin fim ɗin yana da ƙarfi kuma ba daidai ba
1) The extrusion zafin jiki ne ma low, da guduro plasticization ne mara kyau;
Magani: Daidaita saitin zafin jiki na extrusion, da kuma ƙara yawan zafin jiki yadda ya kamata, don tabbatar da cewa resin ya yi filastik da kyau.
2) Gudun extrusion yana da sauri sosai.
Magani: Rage saurin extrusion daidai
Lokacin aikawa: Maris 13-2023
