Polylactic Acid (PLA) inoshandiswa zvakanyanya biodegradable polymer mumaindasitiri akadai sekurongedza, 3D kudhinda, uye machira. Nekudaro, PLA inonzwa zvakanyanya kune hunyoro uye kupisa, izvo zvinogona kukanganisa ma mechanic zvimiro uye kushanda kwayo. A PLA Crystallizer Dryer System inoita basa rakakosha mukuona kuti PLA inochengetedza kuvimbika kwayo uye hunhu panguva yekugadzira. Kunzwisisa mashandiro anoita sisitimu iyi kunogona kubatsira vagadziri kukwidziridza maitiro avo ekugadzirisa uye kugadzirisa mashandiro echigadzirwa.
Kunzwisisa PLA Crystallization uye Kuomesa
PLA is amorphous polymer, zvichireva kuti chimiro chayo chemamorekuru hachina yakatsanangurwa fomu yekristaro mune yayo mbishi. Crystallization inzira inorongazve mamorekuru ePLA kuita fomu yakarongeka, ichiwedzera kupisa kwayo, simba, uye kusimba. Zvisinei, panguva yekristalllization uye kuwedzera kushandiswa, PLA inotorawo unyoro kubva kumhepo, iyo inogona kutungamirira mukuora, kuderedzwa kwemagetsi emagetsi, uye kukanganisa kwekugadzirisa.
A PLA Crystallizer Dryer System yakagadzirirwa kugadzirisa matambudziko aya panguva imwe chete kupenya nekuomesa PLA pellets kana flakes, kuve nechokwadi kuti akakodzera extrusion, kuumba, kana 3D kudhinda.
Zvikamu zvakakosha zve aPLA Crystallizer DryerSystem
1. Crystallizer Unit
Iyo crystallizer unit ine basa rekushandura amorphous PLA kuita semi-crystalline state. Iyi nzira inosanganisira:
• Kudzora Kupisa: PLA inopisa kune imwe nzvimbo yekushisa kuti itange crystallization ichidzivirira kuparara.
• Agitation System: Zvinhu zvinoramba zvichimutswa kana kudonhedzwa kudzivirira kukoromoka uye kuve nechokwadi chekuti yunifomu crystallization.
• Kudzora Temperature: Kunyatsogadzirisa tembiricha kunokosha kuti uwane crystallinity inodiwa pasina kukonzera kuparara kwePLA.
2. Drying System
Kamwe PLA ichinge yavhenekerwa, inofamba ichipinda muchikamu chekuomesa, icho chinobvisa hunyoro hwakawandisa kuti ive nechokwadi chekuenderana kugadzirisa mhando. Kuomesa kunosanganisira:
• Dehumidified Air Flow: Rukova rwemhepo inopisa, yakaderera-yakadzika inotenderera kuburikidza nezvinhu, inotora unyoro zvakanaka.
• Vacuum kana Desiccant Drying: Mamwe maitiro anoshandisa vacuum drying kana desiccant-based drying kuti awane ultra-low-low mondo level.
• Kuenderera Kuongorora: Sensors inoteedzera mwando mwero uye tembiricha kuti ichengetedze yakanyanya kuoma mamiriro.
Mashandiro Acho Nzira
Danho 1: Kuisa iyo PLA Material
Raw PLA pellets, flakes, kana granules zvinoiswa mucrystallizer. Izvo zvinhu zvinowanzo kuve nehunyoro hwepamusoro, hunoda kudzikiswa usati waenderera mberi nekugadziriswa.
Danho 2: Kupisa uye kubvongodza
Iyo sisitimu inoshanda inodzorwa kupisa uku ichiramba ichishungurudza zvinhu. Izvi zvinovimbisa kunyangwe crystallization uye inodzivirira kunamatira kana kudhumhana, inova nyaya yakajairika nePLA.
Nhanho 3: Shanduko kuenda kuDrying Phase
Mushure mekuwana crystallinity inodiwa, zvinhu zvinopinda muimba yekuomesa, umo inopisa, mhepo yakasvibiswa inobvisa hunyoro hwakawandisa. Iyi nhanho yakakosha kudzivirira hydrolytic degradation, iyo inonetesa zvivakwa zvePLA panguva yekunyunguduka uye kuumbwa.
Nhanho 4: Yekupedzisira Kuderedza Hunyoro
Iyo sisitimu inoramba ichioma kudzamara hunyoro hwasvika padanho rakakodzera rekugadzirisa, kazhinji pasi pe250 ppm (zvikamu pamiriyoni). Kana yanyatsoomeswa, iyo PLA yakagadzirira kushandiswa muextrusion, jekiseni molding, thermoforming, kana 3D kudhinda.
Zvakanakira Kushandisa PLA Crystallizer Dryer System
1. Yakavandudzwa Heat Resistance
Crystallized PLA inokwanisa kumira tembiricha yepamusoro yekugadzirisa, ichiita kuti ive yakakodzera kuumba jekiseni uye yakakwirira-tembiricha maapplication.
2. Yakaderedzwa Kukanganisa Kwekugadzirisa
Nekubvisa hunyoro hwakawandisa, sisitimu inodzivirira kuumbwa kwebubble, warping, uye kutadza kwemuchina panguva yekugadzira.
3. Enhanced Mechanical Properties
Crystallized uye yakanyatsoomeswa PLA inoratidza zvirinani simba, kusimba, uye kuramba deformation.
4. Kukurumidza Kugadzira Kubudirira
Nekupenya panguva imwe chete uye kuomeswa, vagadziri vanogona kugadzirisa PLA zvakanyanya, vachidzikisa tsvina yezvinhu uye kuderera.
Mhedziso
A PLA Crystallizer Dryer System yakakosha pakugadzirisa mashandiro, kusimba, uye kugadzirisa kwePLA zvinhu. Nekunyatso kudzora crystallization uye kubviswa hunyoro, iyi sisitimu inovimbisa mhedzisiro yemhando yepamusoro mumashandisirwo akasiyana ekugadzira. Kunzwisisa kuti inoshanda sei inobvumira vagadziri kuti vawedzere kushanda nesimba uye kuenderana kwechigadzirwa, zvichiita kuti PLA ive inochinja-chinja uye yakavimbika biopolymer yekushandiswa kwemaindasitiri.
Kuti uwane rumwe ruzivo uye mazano ehunyanzvi, shanyira webhusaiti yedu pahttps://www.ld-machinery.com/kuti udzidze zvakawanda nezve zvigadzirwa zvedu uye mhinduro.
Nguva yekutumira: Mar-04-2025