Kusiyana kwa Screw Barrel Design for Bottle Blow Molding ndi Injection Molding

Mapangidwe a Bottle Blow molding screw barrel amasiyanitsidwa ndi jekeseni chifukwa chautali wake komanso kuchuluka kwake kokwanira. Izi zimathandizira kupanga ma parison ofananira, omwe amawongolera kumveka bwino kwa botolo ndi mphamvu. Pamene msika wapadziko lonse lapansi wopangidwa ndi mapulasitiki ukukula, aKuwomba Screw BarrelndiFilimu Yowombedwa Mkulukupereka bwino kusungunuka, kusakaniza, ndi kupulumutsa mphamvu paPulasitiki Single Screw Barrel.

Screw Barrel Ntchito mu Njira Zopangira

Kusungunula Zinthu ndi Kutumiza Maudindo

The screw barrel imagwira ntchito ngati mtima wa makina onse omangira mabotolo ndi jekeseni. Ntchito yake yayikulu ndikusungunula mapulasitiki apulasitiki ndikusunthira zinthu zosungunuka patsogolo. Popanga jekeseni, wononga chimazungulira mkati mwa mbiya yotenthedwa, kukanikiza ndi kusungunula pulasitiki. Pulasitiki ikasungunuka, wonongayo imakankhira mu nkhungu pamphamvu kwambiri. Izi zimapanga pulasitiki kukhala zigawo zolimba.

Pakuwomba botolo, mbiya yomata imasungunulanso polima. Komabe, momwe zimasunthira zinthu zimatha kusintha. Mwachitsanzo, pakuwumba kuphulika kwa extrusion, screw imatha kutembenuka mosalekeza kapena masitepe. Amakankhira pulasitiki yosungunuka ngati chubu, yotchedwa parison. Mpweya umawombera m’tchalitchimo kupanga botolo. Mu jekeseni kuwombera, wononga jekeseni pulasitiki wosungunuka mu nkhungu kupanga preform, amene pambuyo pake amakhala botolo. The screw barrel imasintha udindo wake potengera momwe amawumba, koma nthawi zonse imayang'ana kwambiri kusungunuka ndi kusuntha pulasitiki bwino.

Langizo:Mtsuko wopangidwa bwino umatsimikizira kuti pulasitiki imasungunuka mofanana ndikuyenda bwino, zomwe zimathandiza kupewa kuwonongeka kwa mankhwala omaliza.

Kusakaniza ndi Homogeneity Zotsatira

Kusakaniza ndi homogeneity kumagwira ntchito yaikulu pamtundu wa mankhwala. Mtsuko wa screw uyenera kuphatikiza pulasitiki ndi zowonjezera zilizonse kuti gawo lomaliza liwoneke ndikuchita momwe amayembekezera. Mapangidwe osiyanasiyana a screw amatha kusintha momwe pulasitiki imasakanikirana bwino. Mwachitsanzo, zomangira zokhala ndi ma tchanelo apadera kapena magawo osakanikirana zimathandizira kugawa mitundu ndi zowonjezera mofanana. Izi zimatsogolera ku mtundu wabwino komanso mawanga ofooka ochepa.

Opanga nthawi zambiri amayesa momwe screw imasakanikirana bwino powona kutentha ndi mtundu wa pulasitiki wosungunuka. Amayang'ana ngakhale kutentha ndi mitundu yosalala yosakanikirana. A m'munsikupatuka kokhazikikamu mayesero awa amatanthauza kusakaniza bwino. Zomangira zina zapamwamba, monga zotchinga kapena ma multichannel, zimawonetsa kusakanikirana bwino komanso kusungunuka kofananira. Izi zimathandiza kupanga mabotolo ndi zigawo zolimba, zomveka, komanso zopanda mikwingwirima kapena thovu.

Zomangira mbiya zomwe zimasakanizidwa bwino zimapatsa opanga kuwongolera kwambiri pamtundu wazinthu ndikuchepetsa zinyalala.

Kusiyana Kwakukulu Pamapangidwe a Screw Barrel

Geometry ndi Makulidwe

Screw barrel geometry imapanga momwe pulasitiki imayendera ndikusungunuka mkati mwa makina. Powomba botolo, mbiya ya screw nthawi zambiri imakhala ndi kutalika kwa mita imodzi (L/D) poyerekeza ndi jekeseni. Utali wowonjezerawu umapatsa pulasitiki nthawi yambiri yosungunuka ndi kusakaniza, zomwe ndizofunikira kupanga mabotolo amphamvu, omveka bwino. The Bottle Blow molding screw mbiya nthawi zambiri imakhala ndi taper pang'onopang'ono komanso njira zakuya zodyera. Zosankha zapangidwezi zimathandiza kuti wonongayo igwire bwino ntchito ya pulasitiki ndikupanga parison yofanana.

Migolo ya jekeseni yopangira jekeseni, kumbali ina, imakhala yaifupi. Amayang'ana kwambiri kusungunula ndikulowetsa pulasitiki mu nkhungu. Kutalika kwafupipafupi kumathandizira kufulumizitsa nthawi yozungulira komanso kumagwirizana ndi chikhalidwe chachangu cha jekeseni. Ma geometry a mbiya iliyonse ya screw amafanana ndi zosowa za kachitidwe kake, kusanja kusungunuka, kusakanikirana, ndi kukakamiza.

Chidziwitso: Ma geometry olondola amatha kusungunuka bwino ndikuchepetsa kugwiritsa ntchito mphamvu poyang'anira kuchuluka kwa kumeta ndi kutentha kwa pulasitiki.

Compression Ration ndi Magawo Ogwira Ntchito

Chiŵerengero cha compression ndi gawo lofunikira la mapangidwe a screw barrel. Imayesa kuchuluka kwa zomangira pulasitiki pamene imayenda kuchokera kumalo odyetserako kupita ku metering zone. Popanga botolo, mbiya ya Bottle Blow yopangira screw nthawi zambiri imagwiritsa ntchito chiwopsezo chokwera kwambiri. Izi zimathandizira kuti pakhale kupanikizika komwe kumafunikira kuti mupange parishi yosalala, yopanda thovu. Chiŵerengero chapamwamba chimathandizanso kusakaniza ndi kusungunula homogeneity, zomwe zimabweretsa kumveka bwino kwa botolo ndi mphamvu.

Migolo ya jekeseni yopangira jekeseni imatha kugwiritsa ntchito chiŵerengero chochepa kapena chochepetsera, kutengera zakuthupi. Mwachitsanzo, chiŵerengero chochepa cha kuponderezana chingayambitse zolakwika monga splay mu polystyrene, pamene chiŵerengero chapamwamba chimapangitsa kuphatikizika ndikuchepetsa nthawi yozungulira. Komabe, ngati chiŵerengerocho chiri chokwera kwambiri pazinthu zina monga ABS, zingayambitse kusakhazikika kwa ndondomeko ndi kusungunuka kosakwanira. Mapangidwe a madera ogwira ntchito - chakudya, kusintha, ndi mita - imathandizanso kwambiri. Kusintha kuya ndi kutalika kwa maderawa kumasintha momwe pulasitiki imasungunulira ndikuyenda, zomwe zimakhudza kupanikizika ndi ntchito zowononga.

• Compression ratio iyenera kufanana ndi mtundu wa polima komanso zosowa zamachitidwe.
• Kukonzekera koyenera kwa madera ogwirira ntchito kumatsimikizira kusungunuka kokhazikika komanso kupewa zolakwika.
• Kukonza bwino zinthu izi kumatha kupangitsa kuti zisungunuke zikhale bwino komanso kukulitsa mphamvu ya mbewu.

Kusamalira Zinthu Zofunikira ndi Zofunikira Papulasitiki

Njira zosiyanasiyana zomangira zimakhala ndi zosowa zapadera za plasticizing. The Bottle Blow molding screw mbiya iyenera kunyamula zinthu zosiyanasiyana, kuchokera ku polyethylene yapamwamba kwambiri (HDPE) kupita ku polypropylene (PP). Imafunika kusungunuka ndi kusakaniza zinthuzi mofanana kuti apange parishi yokhala ndi makulidwe ofanana. Izi ndizofunikira chifukwa kusungunuka kosagwirizana kungayambitse mawanga ofooka kapena mabotolo amtambo.

Migolo yomangira jekeseni imayang'ana kwambiri kusungunula pulasitiki mwachangu ndikuyibaya mu nkhungu. Nthawi zambiri amagwira ntchito ndi zida zomwe zimafunikira kuwongolera kutentha komanso kuphatikizika mwachangu. Zida zina, mongama resins apamwamba kwambiri, zitha kukhala zovuta kukonza popanga jekeseni. Mapangidwe a screw barrel ayenera kuwerengera kusiyana kumeneku kuti zitsimikizire kuti zikuyenda bwino.

Langizo: Kufananiza ndiscrew mbiya kupangakuzinthu ndi ndondomeko zimathandizira kuchepetsa zinyalala, kumveketsa bwino, ndikupanga mabotolo amphamvu.

Valani Kukaniza ndi Kugwirizana Kwazinthu

Kukana kuvala ndikofunikira kwambiri pakumangirira mabotolo ndi jekeseni. Zomangira ndi mbiya zimayang'anizana ndi kukangana kosalekeza ndi kukanidwa ndi pulasitiki yosuntha. Zodzaza ndi zowonjezera mu pulasitiki zingapangitse kuvala koipitsitsa. Kujambula kwa Botoloscrew mbiyaNthawi zambiri amagwiritsa ntchito chitsulo chamtundu wa nitrided, ma aloyi a bimetallic, kapena zokutira zapadera monga tungsten carbide kuti athane ndi kuwonongeka ndi dzimbiri. Zida izi zimathandiza wononga nthawi yayitali, ngakhale pokonza ma polima owononga kapena owononga.

Migolo yomangira jakisoni itha kugwiritsa ntchito zinthu monga Nitralloy nitride, D2 chida chitsulo, CPM 10V, kapena ngakhale carbide pantchito zolimba. Chilichonse chimapereka magawo osiyanasiyana achitetezo kuti asavulale komanso dzimbiri. Mwachitsanzo, CPM 10V imagwira ntchito bwino ndi mapulasitiki odzaza magalasi kapena osayaka moto, pomwe migolo ya carbide ndi yabwino kwambiri pazinthu zowononga kwambiri. Kufananiza wononga ndi mbiya zipangizo n'kofunika kupewa mavuto ndi kukulitsa matenthedwe ndi kumanga.

• Zovala zodziwika bwino zimaphatikizira kukwatiwa, kuvala zonyansa, komanso kuvala molakwika.
• Kugwiritsa ntchito zipangizo zoyenera ndi zokutira kumatalikitsa moyo wa mbiya wononga.
• Kuwunika pafupipafupi kwa mavalidwe kungathandize kuzindikira zovuta msanga ndikuwongolera mapangidwe.

Kumbukirani: Chidutswa chosankhidwa bwino cha screw barrel chimapangitsa makinawo kuyenda bwino ndikuchepetsa nthawi yokonzanso.

Botolo Blow Molding Screw Barrel Features

Kusintha kwa Mapangidwe a Parison Quality

Opanga amapanga Bottle Blow molding screw mbiya yokhala ndi zinthu zingapo kuti apititse patsogolo khalidwe la parison. Zosinthazi zimathandizira kupanga mabotolo okhala ndi makoma omwe ali ndi malo osalala. Nazi zina mwazosankha zofunika kwambiri pamapangidwe:

• The screw barrel imapereka chiwongolero cholondola cha momwe pulasitiki imasungunuka ndikuyenda. Kuwongolera uku kumathandizira kuti khoma la parison likhale lolimba, zomwe zimapangitsa mabotolo owoneka bwino.
• Mainjiniya amagwiritsa ntchito zida zapamwamba kwambiri monga chitsulo cha nitrided, ma aloyi a bimetallic, ndi zokutira za tungsten carbide. Zida izi zimapangitsa kuti screw barrel ikhale yolimba komanso yosamva kuvala, motero imagwira ntchito bwino pakapita nthawi.
• Kusintha mwamakonda ndizofala. Opanga amatha kusintha sikwawu, kutalika kwa m'mimba mwake (L/D), mawonekedwe owuluka, ndi zokutira pamwamba. Zosankha izi zimawalola kuti agwirizane ndi mbiya yomangira ndi mapulasitiki osiyanasiyana komanso zosowa zopanga.
• Mapangidwe awa amathandizira kukhathamiritsa zinthu zofunika kwambiri. Mwachitsanzo, amatha kufupikitsa nthawi yozungulira, kukonza kuzizirira, ndikupanga kukula kwa botolo kukhala kolondola.

Wopangidwa bwinoBotolo la Blow molding screw mbiyaamapereka makampani kulamulira kwambiri mankhwala omaliza, kuti zikhale zosavuta kupanga mabotolo omwe amawoneka bwino ndikuchita bwino.

Kuwongolera Kutentha ndi Homogeneity

Kuwongolera kutentha kumagwira ntchito yayikulu pakuwumba nkhonya. Zomangira mbiya ziyenera kusunga pulasitiki pa kutentha koyenera kuti zitsimikizire kuti zimasungunuka mofanana ndikuyenda bwino. Ngati kutentha kuli kokwera kwambiri kapena kutsika kwambiri, pulasitikiyo singakhale parishi yabwino.

Oyendetsa amagwiritsa ntchito ma heater ndi masensa kuti azitha kuyendetsa kutentha kumeneku. Mapangidwe a screw amakhudzanso momwe pulasitiki imatenthetsera ndikusakanikirana. Malo otentha amatha kuwonekera pakusintha kwa screw, zomwe zimapangitsa kuti kutentha kuchuluke. Kuti akonze izi, opanga amatha kusintha liwiro la screw, kuwonjezera mafani oziziritsa, kapena kuyika mabandi otenthetsera. Masitepewa amathandizira kuti kutentha kusungunuke kusasunthike, chomwe ndi chofunikira kwambiri popanga mabotolo okhala ndi mtundu wokhazikika.

Kukonzekera kwabwino kwa botoloscrew mbiya kupangaKomanso bwino homogeneity. Zinthu monga zomangira zomangira ndi maulendo akuya amathandizira pulasitiki kusungunuka ndikusakanikirana bwino. Zigawo zosakaniza zotchinga pafupi ndi mapeto a wononga zimasakaniza polima mofanana. Kusungunuka kwa yunifolomu kumeneku kumapangitsa kuti parishi ikhale yokhazikika komanso zolakwika zochepa.

Kutentha kukakhala kokhazikika ndipo kusungunuka kumakhala kofanana, njirayi imayenda bwino ndipo mabotolo amatuluka mwamphamvu komanso momveka bwino.

Zokhudza Kumveka kwa Botolo ndi Mphamvu

Mapangidwe a screw barrel amakhudza mwachindunji momwe mabotolo omalizidwa ali omveka komanso amphamvu. Chophimba chachitali chokhala ndi chokwerakutalika kwa m'mimba mwake (nthawi zambiri pakati pa 24:1 ndi 30:1)amapatsa pulasitiki nthawi yambiri yosungunuka ndi kusakaniza. Kuphatikizika kwakukulu, nthawi zambiri kuzungulira 3.5: 1, kumathandizira kupanga kusungunuka kosalala, kopanda thovu. Zinthuzi zimagwirira ntchito limodzi kuti pulasitiki iyende bwino komanso kuti parishiyo ikhale yabwino.

Kupita patsogolo kwaukadaulo wa screw barrel kwapangitsa kuti zikhale zosavuta kupanga mabotolo opepuka popanda kutaya mphamvu. Kuyenda bwino kwa zinthu kumachepetsa kutsekeka komanso kumapangitsa kuti zinthu ziziyenda bwino. Kutengera kutentha kokwanira kumathandizira kukhalabe ndi kutentha kwabwino kwambiri, komwe kumabweretsa kusungunuka kwabwino komanso mabotolo osasinthasintha. Zida zolimba monga chitsulo chosungunuka ndi kutentha zimatanthawuza kukonzanso kochepa komanso nthawi yochepa.

Opanga amathanso kusintha mbiya ya screw kuti igwirizane ndi zosowa zosiyanasiyana zopangira. Ena amagwiritsa ntchito masensa ophatikizika kuti ayang'ane kuthamanga kwa kusungunuka ndi kutentha munthawi yeniyeni. Izi zimalola kusintha kwachangu komanso kumathandiza kupewa mavuto asanakhudze mankhwala.

• Zomangira zodyera zokulirapo ndi maulendo akuya amathandizira kusungunuka kwa utomoni ndi kusakanikirana, zomwe ndizofunikira kupanga mabotolo omveka bwino.
• Zigawo zosakaniza zotchinga zimatsimikizira kuti polima amasakanikirana mofanana, kuchepetsa mikwingwirima ndi mawanga ofooka.
• Kuphatikizika kwakukulu kumalola makoma owonda, opepuka a botolo pomwe akuwalimbitsa.

Ndi kukonza kwa mapangidwe awa, makampani amatha kupanga mabotolo omwe sakhala opepuka komanso omveka bwino komanso olimba, kukwaniritsa zofuna zamakampani onyamula katundu masiku ano.

Kuyerekeza Table: Botolo Kuwomba Kumangirira vs. Jekeseni Akumaumba Screw Migolo

Chidule cha Mbali ndi Mbali

Poyerekeza kuumba kwa botolo ndijekeseni akamaumba mbiya wononga, pali kusiyana kwakukulu. Gome ili m'munsili likuwonetsa zinthu zofunika kwambiri mbali imodzi:

Langizo:Kusamalira nthawi zonse kumapangitsa kuti mitundu yonse iwiri ya ma screw barrel ikuyenda bwino. Pomangirira mabotolo, ogwira ntchito amatsuka wononga ndi mbiya nthawi zambiri kuti asachuluke. Amayang'aniranso kutentha ndi mafuta osuntha. Popanga jakisoni, magulu amawunika wononga ndi mbiya chaka chilichonse, amayang'ana masinthidwe, ndikusunga ma hydraulic mafuta ndi heater. Masitepewa amathandizira kuti zinthu zisamayende bwino komanso ziwonjezere moyo wa zida.

Opanga amawona kusiyana koonekeratu pamapangidwe a screw barrel pakuwomba kwa botolo ndi jekeseni. The Bottle Blow molding screw mbiya imagwiritsa ntchito geometry yayitali komanso kuwongolera kutentha koyenera kuti kulimbikitse khalidwe la parison. Zinthu zazikulu monga screw shape, kusankha zinthu, ndi kuyang'anira nthawi yeniyeni zimathandizira kukonza bwino komanso kusasinthasintha kwazinthu.

• Screw geometry mawonekedwe amasungunuka ndi kusakanikirana, kuchepetsa zinyalala ndikuwongolera khalidwe.
• Kusankha zinthu mosamala kumalepheretsa kuvala ndi kutenthedwa, makamaka ndi mapulasitiki abrasive.

Kusankha kamangidwe koyenera ka screw barrel kumabweretsa mabotolo abwinoko, kutaya zinyalala, komanso kupanga bwino.

FAQ

Kodi chimapangitsa kuti mbiya ya screw molding isiyanitse bwanji ndi mbiya yopangira jekeseni?

Kuwomba kwamphamvuscrew mbiyandi yayitali ndipo imagwiritsa ntchito chiŵerengero chapamwamba cha kuponderezana. Kapangidwe kameneka kamathandizira kupanga ma parison amayunifolomu a mabotolo amphamvu, omveka bwino.

Kodi mapangidwe a screw barrel amakhudza bwanji mtundu wa botolo?

The screw mbiya amalamulira kusungunuka ndi kusanganikirana. Kupanga kwabwino kumapangitsa kuti ngakhale makulidwe a khoma, kumveka bwino, komanso mabotolo amphamvu.

Kodi opanga angagwiritse ntchito mbiya yofananira panjira zonse ziwiri?

Ayi, njira iliyonse imafunikira mbiya yeniyeni. Kugwiritsa ntchito kapangidwe koyenera kumatsimikizira kugwira ntchito bwino komanso zinthu zapamwamba.