Nkhani

Polylactic Acid (PLA) ndi polima yomwe imagwiritsidwa ntchito kwambiri m'mafakitale monga kulongedza, kusindikiza kwa 3D, ndi nsalu. Komabe, PLA imakhudzidwa kwambiri ndi chinyezi ndi kutentha, zomwe zingakhudze makina ake komanso kukonza bwino. PLA Crystallizer Dryer Dryer System imagwira ntchito yofunika kwambiri powonetsetsa kuti PLA ikusunga kukhulupirika komanso mtundu wake panthawi yopanga. Kumvetsetsa momwe dongosololi limagwirira ntchito kungathandize opanga kukhathamiritsa njira zawo zopangira ndikuwongolera magwiridwe antchito.

Kumvetsetsa PLA Crystallization ndi Kuyanika
PLA ndi amorphous polima, kutanthauza kuti kapangidwe kake ka maselo alibe mawonekedwe a crystalline mu mawonekedwe ake aiwisi. Crystallization ndi njira yomwe imakonzanso mamolekyu a PLA kukhala mawonekedwe okhazikika, kukulitsa kukana kwake kutentha, mphamvu, ndi kulimba. Komabe, panthawi ya crystallization ndi kukonzanso kwina, PLA imatenganso chinyezi kuchokera kumlengalenga, zomwe zingayambitse kuwonongeka, kuchepetsa mphamvu zamakina, ndi zolakwika zowonongeka.
PLA Crystallizer Dryer System idapangidwa kuti ithane ndi zovutazi powunikira ndi kuyanika ma pellets kapena ma flakes a PLA, kuwonetsetsa kuti ndizoyenera kusindikiza, kuumba, kapena kusindikiza kwa 3D.

Zigawo Zofunikira za aPLA Crystallizer DryerDongosolo
1. Crystallize Unit
Gulu la crystallizer ndi lomwe limapangitsa kuti amorphous PLA ikhale gawo la semi-crystalline. Ndondomekoyi ikuphatikizapo:
• Kutentha Kwambiri: PLA imatenthedwa ndi kutentha kwapadera kuti iyambe crystallization pamene ikulepheretsa kuwonongeka.
• Agitation System: Zinthuzo zimagwedezeka mosalekeza kapena kugwedezeka kuti zisagwedezeke ndikuwonetsetsa kuti crystallization ikufanana.
• Kuwongolera Kutentha: Kuwongolera kolondola kwa kutentha ndikofunikira kuti mukwaniritse crystallinity yomwe mukufuna popanda kuchititsa kuwonongeka kwa PLA.
2. Kuyanika System
PLA ikawunikiridwa, imasunthira mugawo lowuma, lomwe limachotsa chinyezi chochulukirapo kuti zitsimikizire kusasinthika kwadongosolo. Kuyanika kumaphatikizapo:
• Kuyenda kwa Mpweya Wopanda chinyezi: Mpweya wa mpweya wotentha, wochepa kwambiri umazungulira m’zinthu, umatenga chinyezi bwino.
• Kupukuta kapena Kuwumitsa Desiccant: Machitidwe ena amagwiritsa ntchito kuyanika kwa vacuum kapena kuyanika kwa desiccant kuti akwaniritse kuchuluka kwa chinyezi chochepa kwambiri.
• Kuwunika Mosalekeza: Zomverera zimatsata milingo ya chinyezi ndi kutentha kuti zisunge zowuma bwino.

Momwe Njirayi Imagwirira Ntchito
Khwerero 1: Kutsegula Zida za PLA
Ma pellets a PLA, ma flakes, kapena ma granules amalowetsedwa mu crystallizer. Zinthuzo nthawi zambiri zimakhala ndi chinyezi chambiri, zomwe zimafunika kuchepetsedwa musanakonzenso.
Khwerero 2: Kutenthetsa ndi Kusokoneza
Dongosololi limagwiritsa ntchito kutentha koyendetsedwa kwinaku akugwedeza zinthuzo mosalekeza. Izi zimatsimikizira ngakhale crystallization ndikuletsa kumamatira kapena kugwedezeka, yomwe ndi nkhani wamba ndi PLA.
Khwerero 3: Kusintha kupita ku Gawo Lowumitsa
Pambuyo pokwaniritsa kristalo wofunidwa, zinthuzo zimasunthira m'chipinda chowumitsira, momwe mpweya wotentha, wosasunthika umachotsa chinyezi chochulukirapo. Izi ndizofunikira kuti tipewe kuwonongeka kwa hydrolytic, komwe kumafooketsa katundu wa PLA panthawi yosungunuka ndi kupanga.
Gawo 4: Pomaliza Kuchepetsa Chinyezi
Dongosolo limapitilira kuyanika mpaka chinyezi chikafika pamlingo woyenera kukonzedwa, nthawi zambiri pansi pa 250 ppm (gawo pa miliyoni). Akaumitsa kwathunthu, ndi PLA ndi wokonzeka ntchito extrusion, jekeseni akamaumba, thermoforming, kapena 3D kusindikiza.

Ubwino Wogwiritsa Ntchito PLA Crystallizer Dryer System
1. Kulimbana ndi Kutentha Kwambiri
Crystallized PLA imatha kupirira kutentha kwapamwamba kwambiri, ndikupangitsa kuti ikhale yoyenera kuumba jekeseni komanso ntchito zotentha kwambiri.
2. Kuchepetsa Zowonongeka Zopangira
Pochotsa chinyezi chochulukirapo, dongosololi limalepheretsa kupangika kwa kuwira, kupotoza, ndi kulephera kwamakina panthawi yopanga.
3. Katundu Wowonjezera Wamakina
PLA yoyengedwa bwino komanso yowuma bwino imawonetsa kulimba, kulimba, komanso kukana kupunduka.
4. Mwachangu Kupanga Mwachangu
Ndi crystallization ndi kuyanika munthawi yomweyo, opanga amatha kukonza PLA bwino, kuchepetsa zinyalala zakuthupi ndi nthawi yopuma.

Mapeto
PLA Crystallizer Dryer System ndiyofunikira pakukhathamiritsa magwiridwe antchito, kulimba, komanso kusinthika kwa zida za PLA. Mwa kuyang'anira mosamala crystallization ndi kuchotsa chinyezi, dongosololi limatsimikizira zotsatira zapamwamba pazopanga zosiyanasiyana. Kumvetsetsa momwe zimagwirira ntchito kumathandizira opanga kukulitsa luso komanso kusasinthika kwazinthu, kupangitsa PLA kukhala yosunthika komanso yodalirika ya biopolymer yogwiritsidwa ntchito m'mafakitale.

Kuti mudziwe zambiri komanso malangizo a akatswiri, pitani patsamba lathu lahttps://www.ld-machinery.com/kuti mudziwe zambiri zazinthu zathu ndi mayankho.