Wadannan mahimman ka'idoji ne da ya kamata a kiyaye su game da extrusion.Ya kamata su taimaka wajen adana kuɗi, samar da samfurori masu inganci, da amfani da kayan aiki da kyau.
4. Abincin yana aiki azaman mai sanyaya.Extrusion shine canja wurin makamashi daga motar-kuma wani lokacin masu zafi-zuwa filastik mai sanyi, don haka canza shi daga mai ƙarfi zuwa narke.Ciyarwar shigar ta fi ganga mai sanyi da dunƙule saman a yankin ciyarwar.Fuskar ganga a yankin abinci, duk da haka, kusan koyaushe yana sama da kewayon narkewar filastik.Ana sanyaya shi ta hanyar tuntuɓar abubuwan da ke shiga, amma ana kiyaye shi da zafi ta hanyar tafiyar da zafi a baya daga ƙarshen gaba mai zafi, da kuma ta hanyar dumama ganga mai sarrafawa.Ko da lokacin da ƙarshen gaba ya kasance yana zafi ta hanyar juzu'i kuma ba a buƙatar shigar da zafin ganga ba, na'urar dumama na baya na iya buƙatar kunnawa.Mafi mahimmancin banda shine ganga-feed, wanda aka yi amfani da shi kusan don HDPE.
Tushen tushen tushen kuma ana sanyaya shi ta hanyar ciyarwa kuma an keɓe shi daga bangon ganga ta ƙwayoyin abinci na filastik (da iskan da ke tsakanin su).Idan dunƙule ya tsaya ba zato ba tsammani, abincin yana tsayawa shima, kuma saman dunƙule yana yin zafi a yankin ciyarwar yayin da zafi ke komawa baya daga ƙarshen gaba mai zafi.Wannan na iya haifar da mannewa barbashi zuwa tushen, ko haɗawa.
5. Manne ga ganga da zamewa a kan dunƙule, a cikin feedzone.Don iyakar daskararrun daskararrun isarwa a cikin yankin abinci mai santsi-ganga, mai fitar da dunƙule guda ɗaya, ɓangarorin su manne da ganga kuma su zame kan dunƙule.Idan barbashi sun tsaya akan tushen dunƙule babu abin da zai cire su;Ƙarar tashar tashoshi da cin abinci na daskararru sai a rage.Manne ga tushen kuma ba a so saboda filastik na iya dafawa a wurin kuma ya samar da gels da nau'ikan gurɓataccen abu, ko kuma ya tsaya ya karye lokaci-lokaci tare da canje-canje masu dacewa a cikin adadin fitarwa.
Yawancin robobi a dabi'a suna zamewa a tushen saboda suna zuwa cikin sanyi kuma tushen baya zafi sosai da juzu'i kamar bangon ganga.Wasu kayan suna da yuwuwar tsayawa fiye da wasu: PVC mai filastik filastik, PET amorphous, da wasu polyolefin copolymers tare da kaddarorin mannewa waɗanda galibi ana so a ƙarshen amfaninsu.
Dangane da ganga, robobin na bukatar ya tsaya a wurin domin a goge ta a tura ta gaba ta hanyar jiragen sama.Yakamata a sami madaidaicin juzu'i tsakanin barbashi da ganga, wanda kuma yanayin zafin ganga na baya yana tasiri sosai.Idan ɓangarorin ba su tsaya ba za su yi birgima kawai ba za su ci gaba ba - wannan shine dalilin da ya sa abinci mara kyau ba shi da kyau.
Tashin hankali ba shine kawai abin da ke shafar abinci ba.Yawancin barbashi ba su taɓa taɓa ganga ko tushen dunƙule ba, don haka dole ne a sami juzu'i da na'ura da mannewa tare a cikin adadin pellet.
Gangarar da aka tsinke lamari ne na musamman.A tsagi ne a cikin feedzone, wanda aka thermally ware daga sauran ganga da tsananin ruwa - sanyaya.Jiragen saman suna tura pellet ɗin ƙasa da ramuka don haka suna haɓaka matsa lamba sosai a cikin ɗan gajeren tazara mai ban mamaki.Wannan haɓakar cizon yana ba da izinin ƙaramar juyawar rpm don fitarwa iri ɗaya, don haka ƙarancin zafi yana haifar da ƙarancin zafi a ƙarshen gaba, yana ba da ƙarancin narkewa.Wannan na iya nufin samarwa da sauri cikin sanyaya-iyakantaccen busa layukan fim.Tsagi sun dace musamman ga HDPE, wanda shine mafi zaluntar duk robobi na yau da kullun banda fluoroplastics.
6. Material shine mafi girman farashi.A wasu lokuta farashin kayan yana wakiltar kusan kashi 80 cikin 100 na jimlar farashin masana'anta - fiye da sauran abubuwan da aka haɗa - ban da ƴan samfuran kamar su catheters na likitanci inda tabbacin inganci da marufi ke da mahimmanci.Wannan ka'ida a zahiri tana haifar da ƙarin ƙararrawa guda biyu: Masu sarrafawa yakamata su sake yin amfani da datsa da tarkace kamar yadda zai yiwu ta hanyoyin da za su maye gurbin kayan budurwa, da kiyaye kauri kusa da juriya kamar yadda duk wani abu mafi girma fiye da kauri na manufa ke ɓarna kuma wani abu ƙasa da ƙasa yana haifar da gazawar samfur.
Lokacin aikawa: Mayu-17-2017