Menene Extrusion Molding?
Extrusion gyare-gyare, wanda kuma aka sani da extrusion a cikin sarrafa filastik, yana amfani da matsa lamba na hydraulic don tilasta abu ta hanyar ƙirar, ƙirƙirar sassan sassa daban-daban na siffofi daban-daban. Wannan tsari ya haɗa da dumama kayan yayin da ake tura shi gaba ta hanyar dunƙule ta cikin ganga, wanda ya haifar da samuwar ci gaba da bayanan martaba ko samfurori. Extrusion gyare-gyare, fasaha ta farko a cikin sarrafa polymer, ta samo asali a cikin shekaru 100 da suka gabata zuwa cikin ingantaccen inganci, ci gaba, hanya mai sauƙi tare da fa'ida mai fa'ida. Yanzu ita ce hanyar ƙirƙirar da aka fi amfani da ita a cikin masana'antar sarrafa polymer saboda daidaitawar sa, ƙimar samarwa mai girma, da haɓaka.
Matakai na asali a cikin Extrusion Molding
1. Ciyarwa
Ana ciyar da kayan filastik a cikin hopper kuma yana motsawa zuwa cikin tashoshi na dunƙule ƙarƙashin nauyi ko tare da taimakon mai ciyarwa, suna ci gaba zuwa kan mutuwa.
2. Isarwa
Yayin da filastik ya shiga tashar dunƙulewa, yana motsawa gaba tare da kowane juyi juyi. Matsakaicin adadin isar da saƙo ya dogara da ƙayyadaddun juzu'i na filastik a kan ganga da dunƙule. Mafi girman juzu'i tare da ganga ko ƙananan juzu'i tare da dunƙule yana ƙara motsi na gaba na filastik.
3. Matsi
Matsi yana da mahimmanci a cikin gyare-gyaren extrusion. Filastik ba shi da kyau mai sarrafa zafi, kuma duk wani gibi tsakanin barbashi na iya hana canjin zafi, yana shafar ƙimar narkewa. Matsi yana taimakawa fitar da iskar gas daga kayan, yana hana lahani, kuma yana tabbatar da yawan samfur ta hanyar kiyaye babban matsa lamba na tsarin.
4. Narkewa
Tare da tashin matsi, ƙaƙƙarfan robobi masu motsi suna hulɗa da gogewa a bangon ganga mai zafi, suna yin fim ɗin narke na bakin ciki. Wannan fim ɗin an goge shi ta hanyar dunƙule yayin da yake motsawa, yana tarawa a gaban jiragen sama na dunƙulewa kuma yana samar da tafkin narkewa.
5. Hadawa
Ƙarƙashin matsin lamba, ƙaƙƙarfan abu an haɗa shi cikin filogi mai yawa. Cakuda yana faruwa ne kawai tsakanin yadudduka na narkakkar kayan, ba a cikin filogi mai ƙarfi ba.
6. Yawan gajiya
Samun iska yana da mahimmanci don cire iskar gas da tururi da aka samar yayin aikin extrusion. Fitar da iska mai kyau yana tabbatar da ingancin samfurin ƙarshe ta hana ɓarna da lahani.
Amfanin Extrusion Molding
Sauƙaƙan Kayan Aiki tare da Ƙananan Zuba Jari: Injin don gyare-gyaren extrusion yana da sauƙi kuma mai tsada.
Ci gaba da Ƙaddamarwa tare da Babban Haɓaka: Extrusion yana ba da damar samar da ci gaba, haɓaka haɓakawa.
Babban Digiri na Automation: Automation yana rage ƙarfin aiki kuma yana ƙaruwa daidai.
Sauƙaƙan Aiki da Sarrafa Tsari: Tsarin yana da sauƙin amfani kuma ana iya sarrafa shi.
Uniform da Ingantattun Samfura: Tsarin extrusion yana samar da daidaitattun samfura masu yawa.
Faɗin Material Compatibility: Yawancin thermoplastics da wasu kayan zafin jiki ana iya amfani da su.
Aikace-aikace iri-iri: Ƙarfafa gyare-gyaren ya dace da samfurori daban-daban, yana mai da shi tsari mai yawa.
Layukan Samar da Karami: Tsarin yana buƙatar ƙaramin sarari kuma yana kula da yanayin samarwa mai tsabta.
Muhimman abubuwan la'akari a cikin Extrusion Molding
Dubawa kafin farawa: Bincika ganga, hopper, da fasteners, tabbatar da duk abubuwan haɗin gwiwa suna da tsaro. Lubricate kamar yadda ya cancanta kuma tsaftace kayan aiki.
Ƙarƙashin saurin farawa: Da farko yi aiki da dunƙule a cikin ƙananan gudu, saka idanu ga kowane rashin daidaituwa a cikin aikin mota ko sauti.
Gwaje-gwajen Babu-Lokaci gajere: Iyakance gwajin dunƙulewa yana gudana zuwa mintuna 30 kafin haɗa nau'ikan ƙirar ƙira, mai mai da kusoshi don sauƙin cirewa.
Ciyarwar A hankali: Fara da ƙananan gudu da ciyar da kayan a ko'ina, kallon kowane canji a halin yanzu.
Kula da Yanayin Zazzabi: Ci gaba da duba yanayin zafi mai ɗaukar nauyi, tare da tabbatar da cewa babu hulɗa kai tsaye tare da sassa masu motsi yayin aiki.
Maganin Roughness na Surface: Ƙara yawan zafin jiki, daidaita saurin dunƙulewa, maye gurbin masu tacewa, da amfani da ma'aikatan bushewa masu dacewa don hana lahani na saman.
Rigakafin Sikeli: Rage amfani da mai, inganta kayan abu, ko amfani da suturar Teflon don rage ƙima.
Kula da Fitowar Tsayayyen Halitta: Canjin jujjuyawa ta hanyar daidaita yanayi, ta amfani da sifofin dunƙule daban-daban, da sarrafa bambancin zafin jiki don tabbatar da ƙayyadaddun extrusion.
Aikace-aikace na Extrusion Molding
Fayil ɗin extrusion na filastik sun dace don samar da bututu, bayanan ƙofa, sassan mota, da ƙari.
1. Bututu da Bututu
Ana amfani da extrusion yawanci don samar da bututun filastik da tubing daga kayan kamar PVC da sauran thermoplastics.
2. Waya Insulation
Yawancin thermoplastics suna da insulators masu kyau, suna sa su dace da extruding waya da kebul rufi da sheathing, ciki har da fluoropolymer zažužžukan.
3. Bayanan Kofa da Taga
PVC sanannen abu ne don fitar da kofa mai ci gaba da firam ɗin taga, waɗanda suka dace don aikace-aikacen gida.
4. Makafi
Ana iya fitar da thermoplastics don samar da nau'ikan siket na makafi, galibi ana amfani da polystyrene don bayyanar itacen faux.
5. Ciwon Yanayi
Samfuran cirewar yanayi na roba akai-akai ana fitar da su, suna ba da ingantattun hanyoyin rufewa don aikace-aikace daban-daban.
6. Yanayin Windshield da Matureseges
Ana yin goge goge gilashin mota na mota da ruwan wukake na hannu sau da yawa daga kayan roba na roba kamar EPDM.
Ƙarfafawa da inganci na gyare-gyaren extrusion sun sa ya zama ginshiƙi a cikin masana'antar masana'antar filastik, tare da aikace-aikace masu yawa da fa'idodi waɗanda ke haifar da amfani da shi.
Lokacin aikawa: Yuli-16-2024