Single Screw vs Twin Screw Extruder: Ndi Iti Imafunikira Njira Yanu?

Ndi limodzi mwa mafunso oyambirira mu ntchito iliyonse extrusion, ndi kupeza cholakwika ndi okwera mtengo. Chowotcha chimodzi chokha chowonjezera ndi chotupa chambiri chimapangidwira ntchito zosiyanasiyana - imodzi ndi mpope, inayo ndi yosakanizira - ndikusankha pamtengo kapena chizolowezi m'malo motengera zomwe zinthu zanu zimafunikira kumabweretsa kusakhala bwino kwazinthu kapena makina omwe amamangidwa mochulukira pantchitoyo.

Timapangira zomangira ndi migolo ya onse awiri, kotero tilibe chifukwa chakukankhirani ku chimodzi kapena chimzake. Bukuli likufotokoza kusiyana kwenikweni pakati pa ascrew imodzi vs mapasa screwextruder, zomwe aliyense amachita bwino, ndi momwe angatsimikizirescrew mbiyalokha lafotokozedwa m'nkhani yanu.

Kodi Single Screw Extruder Ndi Chiyani?

A screw imodzi extruderimayendetsa wononga imodzi yozungulira mkati mwa mbiya yotentha. Ntchito ya screw ndi yosavuta: idyani chakudya cholimba kumapeto kwina, sungunulani ndi kutentha ndi kukameta ubweya, ndikupopera yunifolomu kusungunula mbali inayo ndi kukanikiza kokhazikika. Ma geometry - chakudya, kuponderezana, ndi madera a mita - amakonzedwa kuti apereke ndi kukakamiza kumanga, osati kusakaniza mwaukali.

Kuphweka kumeneko ndiko mphamvu. Single screw extruder ndi yotsika mtengo, yodalirika, yosavuta kugwiritsa ntchito, komanso yabwino kwambiri pakutulutsa kwachinthu chimodzi chosasinthika. Amayendetsa mipope yambiri yapadziko lonse lapansi, mbiri, mapepala, filimu, ndi mizere yokutira waya. Chimene sachita bwino ndikusakaniza kogawa kwambiri, kapena kuphatikizira zinthu zomwe zimafuna kuphatikizika koyendetsedwa bwino.

Kodi Twin Screw Extruder Ndi Chiyani?

A mapasa wononga extruderamayendetsa zitsulo ziwiri mbali ndi mbali mu chithunzi cha migolo eyiti. Zomangira ziwiri za intermesh, ndipo kuyanjana kumeneku ndiko mfundo yonse: kumapanga kusakanikirana kwakukulu, kutumiza kwabwino, kudzipukuta pawokha, ndikuwongolera mwamphamvu pakameta ubweya ndi nthawi yokhalamo. Pamene wononga imodzi imapopa, wononga timapasa timakanda.

Izi zimapangitsa kuti mapasa akhale chida chophatikizira, masterbatch, reactive extrusion, devolatilization, ndi kudyetsa ufa kapena zodzaza zomwe screw imodzi imavutikira. Amagwira bwino zinthu zosagwirizana ndi kutentha monga PVC yolimba, chifukwa kutumiza kwabwino kumapereka kuwongolera nthawi yomwe zinthuzo zimathera pakutentha. Zogulitsa ndizokwera mtengo komanso zovuta zamakina.

Single Screw vs Twin Screw: Kusiyana Kwakukulu

Mbali ndi mbali, kugawanika kumamveka bwino. Tebulo limawayerekeza pazinthu zomwe zimasankha kugula.

Momwe Zopangira Single ndi Twin Screw Zimasiyana

Kusiyana kwa kuthekera kumabwera molunjika kuchokera momwe ziwirizi zimapangidwira. Chomangira chimodzi ndi tsinde limodzi lokhala ndi magawo atatu m'litali mwake: malo odyetsera omwe amatenga ma pellets olimba, malo ophatikizika pomwe tchanelo sichimasungunula ndikuchiphatikiza, ndi malo owerengera omwe amapopa chisungunukocho kutsogolo ndikuthamanga kokhazikika. Mtsuko umodzi, mbiya imodzi, ntchito ina yachita bwino.

Sikwawu iwiri ndi modular. Miyendo iwiri ya intermeshing imasonkhanitsidwa kuchokera m'magawo - kutumiza zinthu kuti zisunthire zinthu, kukanda midadada kuti zisakanize - kotero kuti mawonekedwe a screw akhoza kukhazikitsidwa pagulu linalake ndikusinthidwanso ntchito ikasintha. Thescrew mbiyandi chiboliboli chachisanu ndi chitatu chomwe chimakhala ndi zomangira zonse ziwiri, zomwe nthawi zambiri zimamangidwa m'zigawo zotentha, zosinthika. Modularity imeneyo ndi yomwe imapatsa mapasa wononga mphamvu yake yosakanikirana ndi kusinthasintha, komanso chifukwa chake mapasascrew mbiyazimawononga ndalama zambiri ndipo zimafuna kupanga zenizeni. Pamakina onsewa, chilolezo pakati pa screw ndi mbiya ndichomwe chimatsimikizira kutulutsa ndi kusungunuka kwabwino, chifukwa chake pangani kulolerana kumafunikanso ngati kasinthidwe.

Nthawi Yosankha Single Screw Extruder

Fikirani wononga kamodzi pamene ntchitoyo ndi yokwera kwambiri yotulutsa chinthu chimodzi chokhazikika komanso kusakanikirana kwakukulu sikuli gawo la equation. Chitoliro, mbiri, pepala, filimu, zokutira waya - iyi ndi gawo limodzi lopukutira, ndipo zachuma ndizovuta kuthana nazo. Ndilonso kuyimba koyenera pakakhala bajeti, pomwe ogwiritsira ntchito amafuna makina osavuta kuyendetsa, kapena pomwe mzerewo udzatulutsa zomwezo tsiku ndi tsiku. Ngati zinthu zanu zaphatikizidwa kale ndipo mukungofunika kuzipanga, chomangira chimodzi chimagwira ntchito bwino komanso motsika mtengo.

Nthawi Yosankha Twin Screw Extruder

Sankhani mapasa wononga nthawi yomwe ndondomeko yanu ikufunika kusakaniza osati kungopanga. Izi zimaphatikizapo kuphatikizika ndi kupanga masterbatch, kuphatikiza zodzaza ngati galasi fiber kapena calcium carbonate, reactive extrusion, devolatilizing, and feeds powders. Ndiwonso kusankha kwabwinoko pazinthu zosagwirizana ndi kutentha monga PVC yolimba, pomwe kuwongolera nthawi yokhazikika kumateteza polima. Mumalipira patsogolo kwambiri ndipo makinawo amafunsa zambiri kwa wogwiritsa ntchito, koma pazintchitozi sikona imodzi siyingabweretse mtundu womwewo wa chinthu.

Mitundu ya Twin Screw Extruders

"Twin screw" si makina amodzi. Kusiyanitsa kuwiri kumafunika mukatchula chimodzi:

Co-Rotating vs Kauntala-Kuzungulira

Mu zomangira zozungulira zozungulira zomangira zomangira zimatembenukira kunjira yomweyo. Izi zimapereka kusakanikirana kwakukulu kogawa ndikudzipukuta, chifukwa chake makina ozungulira amawongolera kuphatikiza ndi masterbatch. Mu zomangira zozungulira zozungulira zomangira, zomangira zimatembenukira mbali zosiyana, zomwe zimapangitsa kuthamanga kwambiri komanso kutulutsa kwamphamvu - chisankho chofala pambiri yolimba ya PVC ndi chitoliro.

Zofanana ndi Conical

Parallel twin screw imasunga m'mimba mwake mosalekeza mu utali wake ndipo ndi kavalo wosunthika wophatikizika kwambiri. Aconical mapasa screwma tapers kuchokera kumapeto kwa chakudya mpaka kumadzi opapatiza, omwe amapereka chakudya chokulirapo chapakhosi komanso torque yochulukirapo - masinthidwe apamwamba a chitoliro cholimba cha PVC ndi mbiri pamizere yaying'ono ndi yapakati. Timafotokozera zamalondawa mwatsatanetsatane mu kalozera wathu wa conical vs parallel twin screw.

Zolakwika Zodziwika Posankha Extruder Yanu

Zolakwa zingapo zokwera mtengo zimadza mobwerezabwereza:

• Kugula zomangira ziwiri pamene screw imodzi ingachite.Ngati mukungopanga chinthu chimodzi chokhazikika, mphamvu yosakanikirana ya screw screw ndi kuthekera komwe mumalipira ndipo osagwiritsa ntchito.
• Kugula screw imodzi ndikuyesa kuphatikizirapo.Chophimba chimodzi sichingabweretse kusakaniza kwakukulu ngakhale mutayitanira bwanji - mudzalimbana ndi kusungunuka kosatha.
• Kukopera kukhazikitsidwa kwa mpikisano popanda kufanana ndi zinthu zanu.Makina olondola amatengera utomoni wanu, zodzaza, ndi zotulutsa, osati zomwe zidagwira ntchito kwa wina yemwe akuyendetsa njira ina.
• Kunyalanyaza wononga mbiya pamwamba.Mapurosesa amasankha mtundu wa makina mosamala, kenako ndikuyika mbiya yokhazikika ya nitrided kuti ikhale ndi abrasive kapena zinthu zowononga ndikuwona ikutha msanga.

Pezani mtundu wa makina ndiscrew mbiyatsatanetsatane pamodzi ndipo mzerewo umayenda motsatira zaka. Pezani zolakwika ndipo mumalipira bwino, nthawi yochepa, kapena ndalama zowonongeka.

Njira Yosavuta Yosankha

Ngati mudakali pampanda, mafunso atatu nthawi zambiri amathetsa:

• Kodi zinthu zanu zimafuna kusakanikirana, kapena kungojambula?Kusakaniza - mankhwala, fillers, masterbatch - amaloza ku wononga mapasa. Kupanga utomoni wopangidwa okonzeka kumalozera ku screw imodzi.
• Kodi kusakaniza kwanu kumasiyanasiyana bwanji?Mzere womwe uli ndi mapangidwe ambiri umapindula ndi mbiri yosinthika ya mapasa; mzere wothamanga chinthu chimodzi tsiku lonse satero.
• Kodi bajeti yanu ndi yotani, ndipo makina anu amatha kuthamanga bwanji?Zomangira zing'onozing'ono zimapambana pa mtengo ndi kuphweka pamene ndondomeko ikuloleza.

Yankhani moona mtima ndipo kusankha kumakhala koonekeratu. Ngati sichoncho - nthawi zambiri chifukwa zinthuzo zimakhala pamalire - lankhulani ndi wopanga yemwe amamanga zonse ziwiri ndipo amatha kufanana ndi wononga ndiscrew mbiyapagulu lanu lenileni.

Musaiwale Screw Barrel

Single kapena mapasa, thescrew mbiyandi gawo lomwe limavala, ndipo zinthu zake zimasankha kuti makinawo azikhala ndi nthawi yayitali bwanji komanso mtundu wake. Zipangizo zowononga kapena zowononga - zodzaza ndi magalasi, PVC yolimba, chakudya chosinthidwanso - kuyitanira mbiya ya bimetallic; utomoni woyera amatumikiridwa bwino ndi nitrided. Chisankho chimenecho chimakhala chofunikira kwambiri ngati amodzi motsutsana ndi amapasa, ndipo timadutsamo mumayendedwe athubimetallic vs nitrided screw migolo.Tchulani malo olakwika ndipo ngakhale makina oyenera atha msanga.

Ndiwo gawo lomwe mungasinthirepo kangapo pa moyo wa makinawo, chifukwa chake zimalipira kufotokoza bwino kuyambira pachiyambi. A yofanana bwinoscrew mbiyaimayenda nthawi yayitali pakati pa zosintha, imasunga zotuluka, ndikuteteza mtundu wazinthu - zilizonse zamakina zomwe zimakhalamo.

Chifukwa Chiyani Mumagwira Ntchito Ndi Nanhaiya

Takhala zaka zoposa makumi awiri kupanga zomangira ndi migolo ya maiko onse awiri -screw imodzi, parallel mapasa screw,ndiconical mapasa screwmisonkhano mu 38CrMoAlA nitrided zitsulo ndi bimetallic aloyi, ndi bimetallic anabala kuuma mpaka 62 HRC. Chifukwa timapanga mtundu uliwonse, mainjiniya athu amalimbikitsa masinthidwe ndikuyika zinthu zanu zomwe zimafunikira, ndipo timapanga zosintha kuti zigwirizane ndi makina akuluakulu. Tiuzeni zakuthupi, makina anu, ndi zotuluka ndipo mudzakhala ndi malingaliro ogwirizana mkati mwa maola khumi ndi awiri.

Mafunso Ofunsidwa Kawirikawiri

Kodi pali kusiyana kotani pakati pa single ndi twin screw extruder?

Ganizirani izi ngati pampu motsutsana ndi chosakanizira. Ascrew imodziimatembenuza tsinde imodzi kuti isungunuke kutsogolo - zabwino mukamagwiritsa ntchito chinthu chimodzi chokhazikika ndikungofuna kuti chipangidwe ndikuchipopa. Amapasa screwkulumikiza mitsinje iwiri palimodzi, ndipo meshing ndizomwe zimasakanikirana kwambiri. Chifukwa chake ngati ntchitoyo ikuphatikiza, kusakaniza zodzaza, kapena kugwira ufa, mukufuna mapasa. Kutulutsa kowongoka kwa utomoni wokhazikika? Single ndi yochuluka.

Kodi wononga mapasa ndiabwino kuposa screw imodzi?

Osati kwenikweni - amapangidwira ntchito zosiyanasiyana, kotero "zabwino" zimatengera zanu. Mukufuna kusakaniza kwakukulu, masterbatch, kapena ntchito yokhazikika? Amapasa amapambana. Kukankhira utomoni wochuluka mu chitoliro, mbiri, kapena filimu? Chophimba chimodzi chimatsika mtengo komanso chimakhala chochepa. Kugula yolakwika pa ntchitoyo ndiye kulakwitsa kwenikweni.

Kodi ndingangogwiritsa ntchito zomangira ziwiri m'malo mwa screw imodzi?

Mutha - wononga mapasa amagwira ntchito zambiri za sikelo imodzi ndi zina zambiri pambali. Koma zimawononga ndalama zambiri kugula ndi kuyendetsa, ndipo zimafunsa zambiri kwa aliyense amene akuzigwiritsa ntchito. Pakutulutsa kwamphamvu kwambiri kwa chinthu chimodzi, kuthekera kowonjezerako kumakhala kopanda ntchito pomwe mukulipira. Pokhapokha ngati mukufunikira kusakaniza kapena ufulu wosintha mawonekedwe, khalani ndi screw imodzi.

Ndi iti yomwe ili yabwino kwa PVC?

Kwa PVC yolimba, mapurosesa ambiri amapita mapasa - ozungulira-ozungulira kapena ozungulira makamaka - chifukwa kutumiza kwabwino kumapangitsa kuti pakhale nthawi yayitali yotentha. Chinthu chimodzi posatengera zomwe mwasankha: tchulani bimetallicscrew mbiya. PVC ndi dzimbiri, ndipo pamwamba pa bimetallic imakhazikika pomwe plain nitrided one sangatero.

Kodi awiriwa amagwiritsa ntchito screw barrel yofanana?

Ayi. Chowononga chimodzi chimakhala mu bowo limodzi lozungulira; wononga mapasa amafuna chithunzi-eyiti bore makina awiri. Chitsulo ndi mankhwala a pamwamba - 38CrMoAlA nitriding, kapena bimetallic alloy wosanjikiza - amadutsa pakati pawo, koma bore geometry imadulidwa makamaka mtundu wanu wa screw ndi makina anu. Osasinthika.