Zaɓin filastik daidai yana ɗaya daga cikin yanke shawara mafi mahimmanci a cikin tsarin extrusion. Daga daidaiton tsari zuwa tsayuwar gani, kayan da ka zaɓa yana da tasiri kai tsaye akan aiki da tsawon rayuwar samfurinka na ƙarshe. Fahimtar ainihin bambance-bambance tsakanin kayan filastik gama gari don extrusion na iya taimakawa masana'antun yin sanarwa, takamaiman zaɓin aikace-aikacen.
Bari mu bincika mahimman halaye, buƙatun sarrafawa, da abubuwan amfani na ƙarshe na robobin da aka fi amfani da su a cikin extrusion.
PVC: Ƙarfafawa Ya Hadu da Juriya na Chemical
Polyvinyl chloride (PVC) ana amfani dashi ko'ina saboda kyakkyawan ma'auni na farashi, iya aiki, da karko. Akwai shi a cikin m da sassauƙa nau'i, PVC yana da tsayayya ga sinadarai, bayyanar UV, da danshi, yana mai da shi manufa don bututu, bayanan martaba, da aikace-aikacen waje.
A extrusion, PVC yawanci tafiyar matakai tsakanin 160 ° C da 210 ° C. Yana buƙatar bayanin martabar zafin jiki mai kulawa a hankali da ƙirar dunƙule wanda ke goyan bayan bargawar narkewa kuma yana guje wa lalacewa. Yanayin da yake riƙe da harshen wuta da kyawawan kaddarorin rufewa su ma sun sa ya zama babban zaɓi a aikace-aikacen lantarki.
PE: Mai Sauƙi kuma Mai jurewa Tasiri
Polyethylene (PE), musamman a cikin bambance-bambancen HDPE da LDPE, an san shi don sassaucin ra'ayi, juriya mai tasiri, da ƙarancin ɗanɗano. Abu ne na tafi-da-gidanka don tubing, shirya fina-finai, da bututun ruwa.
PE yana fitar da kyau a 160-230 ° C, tare da ƙirar dunƙule waɗanda ke jaddada ƙarancin ƙarfi da babban kayan aiki. Ƙarfinsa mai santsi da kyakkyawan juriya na sinadarai sun sa ya dace da jigilar ruwa da aikace-aikacen tuntuɓar abinci. Daga cikin duk kayan filastik don extrusion, PE ya yi fice don kyakkyawan ƙarfin sa a cikin yanayi mara kyau.
PP: Ƙarfafawar Chemical tare da Rigidity
Polypropylene (PP) yana ba da haɗin kai na musamman na tsauri da juriya na sinadarai. Yana da matsayi mafi girma fiye da PE kuma yana ba da juriya na gajiya, yana sa ya dace da sassa na mota, kayan aikin dakin gwaje-gwaje, da hinges masu rai.
PP yana aiwatar da yanayin zafi kaɗan (200-280 ° C), kuma yana buƙatar dunƙule tare da haɗakarwa mai ƙarfi da wuraren matsawa don tabbatar da kwararar narke iri ɗaya. Har ila yau yana da nauyi kuma yana da kyakkyawan juriya ga acid da tushe, manufa don yanayin da ake yawan fallasa sinadarai.
ABS: Tauri tare da Ingancin Ƙarshen Sama
Acrylonitrile Butadiene Styrene (ABS) an zaɓi lokacin da juriya mai tasiri da bayyanar saman sune mahimman buƙatun. Yawanci ana samun su a cikin kayan masarufi da gidajen lantarki, ABS yana haɗa ƙarfi tare da kwanciyar hankali mai kyau.
Fitar da ABS na buƙatar yanayin zafi a cikin kewayon 190-240°C, tare da matsakaicin juzu'i don gujewa rawaya ko lahani. Duk da yake ABS ba ta da ƙarfi UV ba tare da ƙari ba, ƙimar ƙarfin-zuwa-nauyi ya sa ya shahara a aikace-aikacen manyan ayyuka.
PC: Tsaftar gani da juriya mai zafi
An fi son polycarbonate (PC) don nuna gaskiya, kwanciyar hankali na thermal, da ƙarfin tasiri mai girma. Ana amfani da shi sau da yawa a cikin murfi masu haske, fatunan kariya, da na'urorin likitanci inda tsabta da ƙarfi ke da mahimmanci.
Extrusion na PC yana buƙatar yanayin zafi tsakanin 240-300 ° C da babban juzu'in extruder mai ƙarfi tare da sarrafa ƙarfi. Daga cikin kayan filastik don extrusion, PC yana buƙatar madaidaicin sarrafa zafin jiki don guje wa rawaya ko gatsewa. Tsaftar gani ta sa ya zama babban zaɓi don aikace-aikacen da ke buƙatar babban gani da watsa haske.
Matching Material to Application: Maɓallin Nasara
Zaɓin madaidaicin kayan filastik don extrusion ba kawai game da farashi ko samuwa ba ne - game da daidaita halayen aiki tare da buƙatun aikace-aikacen. Kuna buƙatar babban juriya na UV don amfanin waje? PVC ko PE na musamman na iya zama mafi kyau. Ana neman fayyace, fanatoci masu ɗorewa? Yi la'akari da PC. Don kwantena masu juriya na sinadarai, PP shine babban mai yin aiki.
Kayan filastik don extrusion da kuka zaɓa zai ƙayyade ba kawai sauƙi na sarrafawa ba har ma da dogon lokaci na nasarar samfurin ku a filin.
Ana neman inganta layin extrusion ɗinku tare da kayan filastik daidai? Haɗa daJWELLa yau — amintaccen abokin tarayya a cikin ingantattun hanyoyin magance extrusion da ƙwarewar kayan aiki.
Lokacin aikawa: Mayu-08-2025