Single Screw vs Twin Screw Extruder: Wanene Tsarin Ku Ke Bukata?

Yana daya daga cikin tambayoyin farko a cikin kowane aikin extrusion, kuma samun kuskure yana da tsada. A guda dunƙule extruder da tagwaye dunƙule extruder an gina su don daban-daban aiki - daya famfo, da sauran ne a mixer - da kuma zabar a kan farashi ko al'ada maimakon a kan abin da kayan ka zahiri bukatar take kaiwa zuwa ko dai matalauta samfurin ingancin ko inji da aka overbuilt ga aikin.

Muna yin sukurori da ganga duka biyun, don haka ba mu da dalilin tura ku zuwa ɗaya ko ɗayan. Wannan jagorar ta bayyana ainihin bambanci tsakanin adunƙule guda vs twin dunƙuleextruder, abin da kowanne ya aikata mafi kyau, da kuma yadda za a tabbatar dadunƙule gangakanta an kayyade don kayan ku.

Menene Keɓaɓɓiyar Screw Extruder?

A guda dunƙule extruderyana gudanar da dunƙule guda ɗaya mai juyawa a cikin ganga mai zafi. Aikin dunƙule yana da sauƙi: ɗauki abinci mai ƙarfi a ƙarshen ɗaya, narke shi ta wurin zafi da ƙarfi, sannan ku fitar da yunifom ɗin narkar da ɗayan ƙarshen a matsi mai ƙarfi. Geometry - ciyarwa, matsawa, da yankuna masu aunawa - ana saurara don isar da matsi da matsi, ba don haɗawa mai ƙarfi ba.

Wannan sauƙi shine ƙarfi. Guda guda dunƙule extruders ne na tattalin arziki, abin dogara, sauki aiki, da kyau kwarai a high girma kayan sarrafawa daya daidaitattun kayan. Suna gudanar da mafi yawan bututu na duniya, bayanan martaba, takarda, fim, da layin rufin waya. Abin da ba su yi da kyau ba shi ne hada-hadar rarrabuwar kawuna, ko kayan sarrafa kayan da ke buƙatar ingantattun haɗe-haɗe masu sarrafawa.

Menene Twin Screw Extruder?

A twin dunƙule extruderyana gudanar da sukurori biyu gefe da gefe a cikin kwararriyar ganga mai adadi-takwas. Sukurori guda biyu suna tsaka-tsaki, kuma wannan hulɗar ita ce gabaɗayan batu: yana haifar da haɗaɗɗiyar haɗaɗɗiya, isarwa mai kyau, aikin share kai, da kuma iko mai ƙarfi akan juzu'i da lokacin zama. Inda dunƙule guda ɗaya ta busa famfo, tagwayen dunƙule ta durƙusa.

Wannan ya sa tagwayen sukurori kayan aiki don haɗawa, masterbatch, extrusion mai amsawa, sadaukarwa, da ciyar da foda ko filaye waɗanda dunƙule guda ɗaya ke gwagwarmaya dasu. Suna sarrafa kayan da ke da zafi kamar PVC mai ƙarfi da kyau, saboda ingantaccen isar da saƙo yana ba da cikakken iko akan tsawon lokacin da kayan ke ciyarwa a cikin zafi. Kasuwancin ciniki sun fi tsada kuma ƙarin rikitarwa na inji.

Screw Single vs Twin Screw: Maɓalli Maɓalli

Gefe da gefe, tsaga a bayyane yake. Tebur yana kwatanta su akan abubuwan da ke yanke shawarar siyan.

Yaya Single da Twin Screw Designs Ya bambanta

Bambancin iyawa ya zo kai tsaye daga yadda aka gina su biyu. Gudun dunƙule guda ɗaya itace itace guda ɗaya mai yankuna uku tare da tsayinsa: yankin ciyarwa wanda ke ɗaukar ƙwaƙƙwaran pellets, yankin matsawa inda tashar tashar ba ta da zurfi don narke da haɗa su, da yanki mai ƙididdigewa wanda ke fitar da narkawar gaba a madaidaiciyar matsi. dunƙule ɗaya, ganga guda ɗaya, aiki ɗaya yayi kyau.

Twin dunƙule ne na zamani. An haɗa raƙuman tsaka-tsaki guda biyu daga ɓangarori - isar da abubuwa don motsa abu, ƙulla tubalan don haɗa shi - don haka za a iya daidaita bayanin martabar dunƙule don takamaiman fili kuma a sake daidaita shi lokacin da aikin ya canza. Thedunƙule gangasiffa ce ta takwas wanda ke da gidaje biyu, galibi ana gina su a cikin sassa masu zafi, masu musanyawa. Wannan modularity shine yake bawa tagwaye dunƙule ƙarfin haɗakarwa da sassauci, kuma shine dalilin da yasa tagwaye.dunƙule gangaƙarin tsada kuma yana buƙatar ƙarin ingantattun masana'antu. A kan na'urori guda biyu, dalla-dalla tsakanin dunƙule da ganga shine abin da ke ƙayyade fitarwa da ingancin narkewa, don haka gina al'amura na haƙuri gwargwadon daidaitawa.

Lokacin Zaba Single Screw Extruder

Isar da dunƙule guda ɗaya lokacin da aikin ya kasance babban juzu'i na ƙayyadaddun abu guda ɗaya kuma gaurayawa mai ƙarfi baya cikin lissafin. Bututu, bayanin martaba, takarda, fim, murfin waya - wannan yanki ne guda ɗaya, kuma tattalin arziƙin yana da wuya a doke shi. Hakanan shine kiran da ya dace lokacin da ya shafi kasafin kuɗi, lokacin da masu aiki ke buƙatar na'ura mai sauƙin aiki, ko lokacin da layin zai samar da samfur iri ɗaya rana da rana. Idan kayanku sun riga sun haɗa kuma kuna buƙatar siffata shi kawai, dunƙule guda ɗaya yana yin wannan aikin da kyau kuma cikin arha.

Lokacin Zaba Twin Screw Extruder

Zaɓi dunƙule tagwaye a lokacin da tsarin ku ke buƙatar haɗawa maimakon kawai tsarawa. Wannan ya haɗa da haɓakawa da samar da masterbatch, haɗawa da abubuwan maye kamar fiber gilashi ko alli carbonate, extrusion mai amsawa, sadaukarwa, da foda. Hakanan shine mafi kyawun zaɓi don kayan da ke da zafi kamar PVC mai tsauri, inda daidaitaccen ikon lokacin zama yana kare polymer. Kuna biyan ƙarin gaba kuma injin yana buƙatar ƙarin ma'aikacin, amma don waɗannan ayyukan dunƙule guda ɗaya kawai ba zai iya samar da ingancin samfur iri ɗaya ba.

Nau'in Twin Screw Extruders

"Twin screw" ba inji ɗaya ba ne. Bambance-bambancen guda biyu suna da mahimmanci idan kun bayyana ɗaya:

Co-Rotating vs Counter-Juyawa

A cikin dunƙule tagwaye mai jujjuyawar haɗin gwiwa, skru suna juya zuwa hanya ɗaya. Wannan yana ba da babban haɗakarwa da gogewa, wanda shine dalilin da ya sa injunan jujjuyawar ke mamaye haɗawa da masterbatch. A cikin jujjuyawar tagwayen juzu'i masu jujjuyawar suna jujjuya saɓanin kwatance, suna haifar da babban matsin lamba da isarwa mai ƙarfi - zaɓi na gama gari don bayanin martaba na PVC da bututu.

Parallel vs Conical

Madaidaicin tagwayen dunƙule yana riƙe da diamita akai-akai tare da tsawonsa kuma shine madaidaicin dokin aiki don mafi yawan haɗawa. Aconical tagwaye dunƙuletapers daga fadi da abinci karshen zuwa kunkuntar sallama, wanda ya ba da ya fi girma feed makogwaro kuma mafi karfin juyi a low gudun - da classic sanyi ga m PVC bututu da profile on kananan da kuma tsakiyar-size Lines. Mun rufe wannan cinikin dalla-dalla a cikin jagorar dunƙule tagwaye vs layi daya.

Kuskuren gama gari Lokacin Zabar Extruder ɗin ku

Wasu kurakurai masu tsada suna fitowa akai-akai:

• Siyan dunƙule tagwaye lokacin da dunƙule guda ɗaya zai yi.Idan kawai kuna siffata daidaitaccen abu ɗaya ne, ƙarfin haɗakar tagwayen dunƙule shine ikon da kuke biya kuma ba za ku taɓa amfani da shi ba.
• Siyan dunƙule guda ɗaya sannan ƙoƙarin haɗawa a kai.Matsakaicin dunƙule guda ɗaya ba zai iya isar da haɗaɗɗiyar haɗaɗɗiya ba komai yadda kuka daidaita shi - zaku yaƙi ingancin narkewa har abada.
• Kwafi saitin mai fafatawa ba tare da dacewa da kayan ku ba.Injin da ya dace ya dogara da guduro, masu cikawa, da fitarwa, ba akan abin da ya yi aiki ga wanda ke gudanar da wani tsari na daban ba.
• Yin watsi da saman dunƙule ganga.Masu sarrafawa suna zaɓar nau'in na'ura tare da kulawa, sannan su dace da daidaitaccen ganga nitrided don abu mai lalata ko lalata kuma duba shi da wuri.

Sami nau'in injin da kumadunƙule gangaƙayyadaddun bayanai daidai tare kuma layin yana gudana cikin ƙayyadaddun bayanai na shekaru. Yi kuskure ko dai kuma kuna biya shi cikin inganci, rashin lokaci, ko babban kuɗin da aka ɓata.

Hanya Mai Sauki Don Yanke Shawara

Idan har yanzu kuna kan shinge, tambayoyi guda uku sukan warware shi:

• Shin kayan ku na buƙatar haɗawa, ko yin siffa kawai?Haɗuwa - mahadi, filler, masterbatch - yana nuni zuwa dunƙule tagwaye. Siffata guduro da aka shirya ɗaya yana nuni zuwa dunƙule guda ɗaya.
• Yaya bambance-bambancen haɗin samfuran ku?Layin da ke gudanar da tsari da yawa yana fa'ida daga bayanin martabar tagwayen screw wanda za'a iya daidaita shi; layin da ke gudanar da samfur ɗaya duk rana baya.
• Menene kasafin ku, kuma yaya hadadden inji ƙungiyar ku zata iya tafiyar da ita?Single sukurori nasara a kan duka kudin da kuma sauki lokacin da tsari damar da shi.

Amsa waɗancan da gaske kuma zaɓin yawanci a bayyane yake. Lokacin da ba haka ba - sau da yawa saboda kayan yana zaune a kan iyaka - magana da mai yin wanda ya gina duka biyu kuma zai iya dacewa da dunƙule dadunƙule gangazuwa ainihin mahallin ku.

Kar a manta da Gangarin Screw

Single ko tagwaye, dadunƙule gangashi ne bangaren da a zahiri ke sawa, kuma kayan sa ne ke tantance tsawon lokacin da injin ke rike fitarwa da inganci. Abubuwan da aka lalata ko lalata - mahadi masu cike da gilashi, PVC mai ƙarfi, kayan abinci da aka sake yin fa'ida - kira ga ganga bimetallic; resins mai tsabta suna yin hidima da kyau ta hanyar nitrided. Wannan zaɓin yana da mahimmanci kamar guda-daya da tagwaye, kuma muna tafiya cikinsa a cikin jagorarmu zuwabimetallic vs nitrided dunƙule ganga.Ƙayyade saman da ba daidai ba kuma ko da nau'in inji mai kyau zai ƙare da wuri.

Hakanan shine ɓangaren da zaku maye gurbin fiye da sau ɗaya a rayuwar injin, don haka yana biya don tantance shi da kyau tun daga farko. A daidai daidaidunƙule gangayana tafiyar da tsayi tsakanin masu mayewa, yana riƙe fitarwa, kuma yana kare ingancin samfur - duk nau'in injin da yake zaune a ciki.

Me yasa Aiki Da Nanhaiya

Mun shafe fiye da shekaru ashirin muna yin sukurori da ganga ga duniyoyin biyu -dunƙule guda ɗaya, layi daya tagwaye dunƙule, kumaconical tagwaye dunƙuletaro a cikin 38CrMoAlA nitrided karfe da bimetallic gami, tare da taurin bimetallic har zuwa 62 HRC. Saboda muna gina kowane nau'i, injiniyoyinmu suna ba da shawarar daidaitawa da shimfida kayan aikin ku a zahiri, kuma muna yin maye gurbin da suka dace da manyan samfuran injina. Faɗa mana kayanku, injina, da fitarwa kuma za ku sami ingantaccen shawarar cikin sa'o'i goma sha biyu.

Tambayoyin da ake yawan yi

Menene ainihin bambanci tsakanin guda ɗaya da tagwaye mai fitar da dunƙulewa?

Yi la'akari da shi azaman famfo da mahaɗa. Adunƙule guda ɗayayana juya igiya ɗaya don turawa gaba - mai girma lokacin da kuke gudanar da abu ɗaya kawai kuma kawai kuna buƙatar siffa da fitar dashi. Adunƙule tagwayeragargaza igiyoyi guda biyu tare, kuma wannan haɗakarwa ita ce ke yin hadawa mai nauyi. Don haka idan aikin yana haɗawa, haɗawa da filaye, ko sarrafa foda, kuna son tagwaye. Madaidaicin extrusion na madaidaicin guduro? Single yana da yawa.

Shin a zahiri dunƙule tagwaye ya fi dunƙule guda ɗaya?

Ba da gaske ba - an gina su don ayyuka daban-daban, don haka "mafi kyau" ya dogara da naku. Kuna buƙatar haɗakarwa mai ƙarfi, masterbatch, ko aikin amsawa? Twin nasara. Tura babban juzu'i na guduro ɗaya cikin bututu, bayanin martaba, ko fim? Screw guda ɗaya yana yin shi mai rahusa kuma tare da ƙarancin hayaniya. Siyan kuskure don aikin shine kawai kuskuren gaske.

Zan iya kawai amfani da dunƙule tagwaye maimakon dunƙule guda ɗaya?

Kuna iya - tagwayen dunƙule suna ɗaukar mafi yawan aikin dunƙule guda ɗaya da ƙari fiye da haka. Amma yana da tsada don siye da gudu, kuma yana buƙatar ƙarin wanda ke sarrafa shi. Don fitar da babban ƙarar abu a sarari na abu ɗaya, ƙarin ƙarfin yana zaune ba shi da aiki yayin da kuke biyan sa. Sai dai idan kuna buƙatar haɗawa ko 'yancin canza tsari, tsaya tare da dunƙule guda ɗaya.

Wanne yafi dacewa don PVC?

Don PVC mai tsauri, yawancin na'urori suna tafiya tagwaye - jujjuyawa ko juzu'i musamman - saboda isar da ingantaccen isar da saƙo yana kiyaye tsawon lokacin da wannan kayan mai zafin zafi ke tsayawa. Abu daya ba tare da la'akari da abin da kuka zaɓa ba: spec a bimetallicdunƙule ganga. PVC yana da lalacewa, kuma saman bimetallic yana riƙe inda wani nitrided a fili ba zai yiwu ba.

Shin su biyun suna amfani da ganga dunƙule iri ɗaya?

A'a. dunƙule guda ɗaya tana zaune a cikin zagaye guda ɗaya; dunƙule tagwaye na buƙatar ƙugiya-takwas da aka ƙera ta biyu. Karfe da jiyya na saman - 38CrMoAlA nitriding, ko madaidaicin alloy Layer - suna ɗauka a tsakanin su, amma an yanke nau'in juzu'i na musamman don nau'in dunƙule da injin ku. Ba musanyawa ba.