Chitsulo chimodzi chimakhala ndi gawo lofunikira kwambiri pakutulutsa pulasitiki, komwe magwiridwe antchito amakhudza kwambiri zokolola ndi mtundu wazinthu. Mu 2025, zida zitatu zodziwika bwino - Material A, B, ndi C - zidzalamulira msika. Zida izi zimapambana pakusavala, kutsika mtengo, komanso kusinthika kwazomwe zimapangidwira, zomwe zimapangitsa kuti zikhale zofunikira kwambiri pamafakitale odalira migolo imodzi. Zomwe zimagwiritsidwa ntchito mu asingle screw ndi twin screw extruderkapena kupangidwa mwaluso kwambirisingle screw migolo fakitale, zatsopanozi zimatanthauziranso mphamvu ndi kulimba. Kuphatikiza apo, theextruder parallel screw mbiyakapangidwe kumawonjezera magwiridwe antchito onse a extrusion, kuonetsetsa kuti pakhale zotsatira zabwino pamapulogalamu osiyanasiyana.
Kumvetsetsa Single Screw Barrel Materials
Kufunika Kosankha Zinthu
Kusankha zinthu zoyenera pa mbiya imodzi ya screw ndikofunikira kuti mukwaniritse bwino ntchito za extrusion. Zomwe zimakhudzidwa mwachindunji ndi kulimba kwa mbiya, kukana kutha, komanso kuthekera kogwira ma polima enaake. Mwachitsanzo, zida zolimba kwambiri, monga 38crMoAIA, zimatsutsana kwambiri ndi kuvala kwa abrasive, kuonetsetsa moyo wautali ngakhale pazovuta. Kuphatikiza apo, kuya kwa nitride kwa 0.5-0.8mm kumapangitsa kuti mbiyayo ikhale ndi mphamvu yolimbana ndi kupanikizika kwambiri, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito ngatiPVC chitoliro extrusion.
Kusankhidwa kwa zinthu kumakhudzanso mphamvu ya extrusion process. Kafukufuku wogwiritsa ntchito njira ya Discrete Element Method (DEM) akuwonetsa momwe zinthu zakuthupi zimakhudzira ntchito yodyetsa. Potengera mphamvu yakuyenda kwa ufa, ofufuza awonetsa kuti zinthu zoyenera zimatha kupititsa patsogolo njira zopangira, kuchepetsa nthawi yotulutsa zinthu ndikuwongolera zokolola zonse. Izi zikuwonetsa kufunikira kosankha zida zomwe zimagwirizana ndi zofunikira zomwe zimagwiritsidwa ntchito.
Mfundo zazikuluzikulu pakuwunika zida za mbiya imodzi
Poyesa zida za mbiya zomata imodzi, zinthu zingapo zimachitika. Izi zikuphatikizapo mavalidwe, kukana dzimbiri, komanso kugwirizanitsa zinthu. Kuvala kwa abrasive, komwe kumachitika chifukwa cha kumeta ubweya pamayendedwe a pellet, ndi nkhani yofala. Zida zokhala ndi kulimba kwapamwamba zimatha kuchepetsa vutoli. Kukana dzimbiri ndikofunikira chimodzimodzi, makamaka pokonza ma polima omwe amatha kuwononga mbiyayo ndi mankhwala.
Mfundo za kapangidwe kake zimathandizanso kwambiri. Kuwongoka ndi kukhazikika kwa mbiya kumatsimikizira kugwira ntchito bwino, kuteteza kusokoneza panthawi ya extrusion. Kuonjezera apo, mapangidwe a screw ayenera kupereka mphamvu yokwanira yosungunuka kuti asamangidwe, zomwe zingathe kuwononga screw ndi mbiya. Kugwirizana pakati pa zomangira ndi mbiya ndikofunikira kuti mupewe kuphulika, makamaka zinthu zofewa zikalumikizana ndi zolimba.
Kukhalapo kwa zowonjezera zowonjezera mu ma polima kumatsimikiziranso kufunikira kwa zida zolimba. Zowonjezera izi zimatha kufulumizitsa mavalidwe ndi dzimbiri, zomwe zimapangitsa kukhala kofunika kusankha zinthu zomwe zimapereka chitetezo chowonjezereka. Poganizira izi, opanga amatha kuwonetsetsa kuti mbiya zawo zing'onozing'ono zimakhala zotalika komanso zogwira mtima.
Zida Zapamwamba 3 Zopangira Single Barrel mu 2025
Zida A: Katundu ndi Ntchito
Zofunika A zimadziwikiratu chifukwa chokana kuvala komanso kukhazikika kwa kutentha kwambiri. Opanga amachigwiritsa ntchito kwambiri m'mapulogalamu omwe amafunikira nthawi yayitali pansi pazovuta kwambiri. Mapangidwe ake akuphatikizapo ma alloys apamwamba omwe amakana mphamvu zowonongeka panthawi ya extrusion. Izi zimatsimikizira magwiridwe antchito, ngakhale pokonza ma polima okhala ndi zowonjezera zowonjezera.
Zinthu A ndizothandiza kwambirikupanga mapaipi a PVC. Kutha kwake kupirira zofuna zapadera zamagulu a PVC kumapangitsa kukhala chisankho chokondedwa cha migolo ya PVC chitoliro chimodzi. Kukhalitsa kwa zinthu kumachepetsa ndalama zosamalira komanso kumapangitsa kuti ntchitoyo ikhale yogwira mtima. Mafakitale omwe amadalira njira zotulutsa zotulutsa zapamwamba kwambiri amapindula kwambiri ndi kudalirika kwake.
Zida B: Katundu ndi Ntchito
Zinthu B zimaphatikiza kutsika mtengo komanso kukana kwa dzimbiri. Kapangidwe kake ka mankhwala kumaphatikizapo zinthu zomwe zimateteza kuti zisawonongeke zomwe zimayambitsidwa ndi ma polima ogwira ntchito. Izi ndi zabwino kwa ntchito kumene mankhwala kukhudzana pafupipafupi, monga kuwomba akamaumba njira.
Migolo ya screw imodzi yopangidwa kuchokera ku Material B excel inkutulutsa mawonekedwe opanda kanthumonga mabotolo ndi zotengera. Kuwongolera bwino kwa zinthuzo pa kusungunuka ndi kuumbidwa kumapangitsa kuti parison ipangidwe. Opanga amayamikira kuthekera kwake kopereka zotsatira zokhazikika pomwe akuchepetsa ndalama zogwirira ntchito. Kutsika mtengo kwa Material B kumapangitsa kuti mabizinesi omwe akufuna kuchita bwino kwambiri asapitirire malire a bajeti.
Zida C: Katundu ndi Ntchito
Material C imapereka kusinthika kosayerekezeka kwamitundu yosiyanasiyana yama extrusion. Makhalidwe ake oyenerera amaphatikiza kukana kuvala kwapakatikati, kukhazikika kwamafuta, komanso kuyanjana ndi ma polima osiyanasiyana. Izi ndizosankha zosunthika zamafakitale zomwe zimafuna kusinthasintha pakupanga.
PE pipe extruder single screw migolo imapindula kwambiri ndi mawonekedwe apadera a Material C. Zinthuzo zimakhala ndi rheological properties za polyethylene, kuonetsetsa kuti kusungunuka ndi kusakanikirana bwino. Mapangidwe ake okhathamiritsa amathandizira kutulutsa kwakukulu, kukwaniritsa zofuna zolimba za kupanga mapaipi a PE. Kusinthasintha kwa Material C kumapangitsa kuti ikhale yoyenera kwa opanga omwe amagwiritsa ntchito mitundu ingapo ya ma polima, kupititsa patsogolo magwiridwe antchito pamizere yosiyanasiyana yazogulitsa.
Kusankha Choyenera Chimodzi Chokha Chophimba Mgolo
Malangizo Ogwiritsa Ntchito
Kusankha zinthu zabwino za mbiya imodzi ya screw kumadalira kwambiri kugwiritsa ntchito. ZaPVC chitoliro extrusion, zipangizo zokhala ndi kukana kuvala kwambiri komanso kukhazikika kwa kutentha, monga Material A, zimalimbikitsidwa. Zinthu izi zimatsimikizira kugwira ntchito kosasintha pansi pamikhalidwe yovuta ya kukonza kwa PVC. Mosiyana ndi izi, zida zowumba zowomba zimapindula ndi zinthu monga Material B, zomwe zimapereka kukana kwa dzimbiri komanso kuwongolera bwino kusungunuka kwa ma polima. Izi zimapangitsa kuti parison ikhale yofanana, yomwe ndi yofunika kwambiri popanga zinthu zopanda pake.
Pakuti polyethylene chitoliro extrusion, Zinthu C chionekera chifukwa chosinthika ake rheological katundu PE. Kutha kwake kusunga kusungunuka koyenera ndi kusakaniza kumathandizira kutulutsa kwakukulu, ndikupangitsa kukhala chisankho chodalirika pakupanga chitoliro cha PE. Kafukufuku wokhudzana ndi kachitidwe kolimba kakutulutsa mphamvu akugogomezera kufunikira kosankha zida zomwe zimakwaniritsa kusamutsidwa kwa ma polima mu gawo lonyamula zolimba. Kuphatikiza apo, kuwunika kocheperako kwa magwiridwe antchito m'malo osiyanasiyana kumawunikira momwe kusankha kwazinthu kumakhudzira luso la extrusion.
Mtengo motsutsana ndi Kuganizira Magwiridwe
Kulinganiza mtengo ndi magwiridwe antchito ndikofunikira posankha mbiya imodzi ya screw. Ngakhale zida zogwira ntchito kwambiri ngati Zofunika A zitha kukhala zokwera mtengo zam'tsogolo, kulimba kwake komanso kuchepa kwa zosowa zake nthawi zambiri kumabweretsa kupulumutsa kwanthawi yayitali. Zida monga Material B, zomwe zimadziwika kuti ndizotsika mtengo, zimapereka njira yabwino kwambiri yogwiritsira ntchito mavalidwe apakati komanso kuwononga dzimbiri.
Zitsanzo zophweka zolosera kuchuluka kwa kuyenda ndi kuthamanga kwa kutuluka kwa extruder zingathe kutsogolera zosankha zotsika mtengo. Mwachitsanzo, mapangidwe a migolo ya grooved, omwe amapititsa patsogolo ntchito ya extrusion, akhoza kulungamitsa kuyika ndalama pazinthu zamtengo wapatali. Kafukufuku wokhudzana ndi machitidwe okonzekera okha adawonetsa momwe kusankha kolondola kwazinthu kungapewere kuchepa kwa zinthu ndi kuchulukirachulukira, kuwonetsetsa kuti magwiridwe antchito akuyenda bwino.
Zida zitatu zapamwamba za mbiya imodzi—Zofunika A, Zofunika B, ndi C—zimachita bwino kwambiri pakusavala, kutetezera dzimbiri, ndi kusinthasintha. Chilichonse chimagwirizana ndi ntchito zina, kuwonetsetsa kuti zikuyenda bwino.
Kusankha zinthu zoyenera kumawonjezera zokolola komanso kumachepetsa ndalama. Opanga akuyenera kuwunika momwe amagwirira ntchito mosamala kuti apange zisankho zolongosoka zomwe zimapangitsa kuti zikhale zogwira mtima komanso zolimba.
FAQ
Kodi ndi zinthu ziti zomwe zimatsimikizira kutalika kwa moyo wa mbiya imodzi ya screw?
Kutalika kwa moyo kumadalira mtundu wa zinthu, kukana kuvala, ndi machitidwe osamalira. Kuyeretsa pafupipafupi komanso kugwiritsa ntchito moyenera kumakulitsa kulimba kwambiri.
Kodi mbiya zomangira zing'onozing'ono zimatha kuthana ndi mitundu ingapo ya polima?
Inde, zida zosunthika monga Material C zimatengera ma polima osiyanasiyana. Amawonetsetsa kusungunuka koyenera ndi kusakanikirana kwa ntchito zosiyanasiyana za extrusion.
Kodi ndingasankhe bwanji zinthu zabwino kwambiri zomwe ndingazigwiritse ntchito?
Unikani zofunikira pakukonza, mtundu wa polima, ndi bajeti. Zida monga A, B, kapena C zimapereka mayankho ogwirizana a PVC, PE, kapena njira zowumba.
Nthawi yotumiza: Jun-09-2025