Umenzi ochwephesha woomatshini be-thermoforming.
Ulwimi
Umenzi ochwephesha woomatshini be-thermoforming.
Amanyathelo aSisiseko eThermoforming
1. Ukulungiselela Izinto
Isinyathelo sokuqala kwinkqubo ye-thermoforming kukukhetha kunye nokulungiselela izinto ezifanelekileyo zeplastiki. Amaphepha asetyenziswa ngokuqhelekileyo aquka i-Polystyrene (PS), i-Polyethylene Terephthalate (PET), i-High Impact Polystyrene (HIPS), i-Polypropylene (PP), kunye ne-Polylactic Acid (PLA). Izinto ezahlukeneyo zineempawu ezahlukeneyo kwaye zifanelekile kwizicelo ezahlukeneyo. Ukukhethwa kwezinto eziphathekayo kusisiseko sempumelelo yenkqubo yonke, ngoko ke kufuneka ingqalelo ekhethekileyo.
Itheyibhile: Izinto eziqhelekileyo ze-Thermoforming kunye neePropati zazo
| Izinto eziphathekayo | Ushunqulelo | Iipropati | Izicelo eziqhelekileyo |
| Ipolystyrene | PS | Iqinile, kulula ukuyiqhuba | Izinto ezilahlwayo, iibhokisi zokupakisha |
| Polyethylene Terephthalate | I-PET | Ukungafihli okuphezulu, ukuchasana kwempembelelo | Iibhotile zesiselo, ukupakishwa kokutya |
| Impembelelo ephezulu yePolystyrene | I-HIPS | Ukuchasana kwempembelelo enamandla, ukuqina okulungileyo | Izindlu zombane, ukupakishwa kokutya okukhenkcezisiweyo |
| Polypropylene | PP | Ukumelana nobushushu obuhle, ukuzinza kweekhemikhali | Ukupakishwa kokutya, ukupakishwa kwamayeza |
| I-Polylactic Acid | I-PLA | I-Biodegradable, i-eco-friendly | Izitya ezivundisiweyo, ukupakishwa kwe-bio |
Ngexesha lenqanaba lokulungiselela izinto, umphezulu wephepha nawo ufuna ukucocwa ukususa naluphi na uthuli okanye ukungcola okunokuchaphazela umgangatho wokwenza. Kwizicelo ezithile ezifunwa kakhulu, amaphepha anokufuna unyango lwangaphambili, olufana nokusebenzisa i-anti-static agents okanye ukulungiswa komphezulu.
2. Ukufudumeza
Ukufudumeza lelinye lawona manyathelo abalulekileyo kwinkqubo ye-thermoforming, apho iphepha leplastiki lifudunyezwa kwiqondo lobushushu elithambileyo, lenza ukuba likwazi ukunyibilika ngokwaneleyo. Izixhobo zokufudumeza zisebenzisa ukufudumeza kwe-infrared okanye ukufudumeza ukuxhathisa ukuqinisekisa ukuba iphepha lifudunyezwa ngokulinganayo.
Izinto ezahlukeneyo zifuna amaqondo okushisa ahlukeneyo kunye namaxesha. Umzekelo, amaphepha e-PET adla ngokufuna ukufudunyezwa phakathi kweqondo lobushushu le-120-160 ° C, ngelixa amaphepha e-HIPS afuna ukufudumeza phakathi kwe-80-120 ° C. Inkqubo yokufudumala ayifuni kuphela ukuqwalasela indawo yokuthambisa izinto kodwa kufuneka iqinisekise ukuba ishidi alibola okanye lichithe ngexesha lokufudumala. Ngoko ke, ulawulo oluchanekileyo lweqondo lokushisa lwezixhobo zokufudumeza luyimfuneko, kwaye ukupholisa okanye ukulungiswa kunokufuneka xa kuyimfuneko.
Kwimveliso yemizi-mveliso, ukufana kokufudumeza kubalulekile kumgangatho wokwenza. Ukuba iphepha alitshisi ngokulinganayo, kunokubangela ukuguquguquka komphezulu, ukudakumba, okanye ukuguquguquka kobuninzi kwimveliso egqityiweyo. Le miba ayichaphazeli nje inkangeleko yemveliso kodwa inokuchaphazela iipropati zayo zomatshini kunye nokuqina. Ngoko ke, ingqalelo ekhethekileyo kufuneka ihlawulwe ngokufana kwephepha ngexesha lesigaba sokufudumala.
3. Ukubumba
Ukubumba yinkqubo yokudlulisa iphepha leplastiki elifudunyeziweyo libe ngumngundo kunye nokusebenzisa i-vacuum suction, uxinzelelo, okanye amandla omatshini ukubumba. Inkqubo yokubumba inokwahlulwa ibe yi-vacuum forming, i-vacuum forming, i-pressure forming, kunye nokwakheka koomatshini, nganye ineengenelo zayo ezizodwa kunye nokusetyenziswa kwayo.
Kwi-vacuum forming, i-sheet inamathele ngokusondeleyo kwi-mold surface ukwenza i-shape efunekayo. Le ndlela iqhele ukusetyenziswa ukuvelisa iimveliso ezinodonga olucekethekileyo ezifana nezixhobo ezilahlwayo kunye neebhokisi zokupakisha ukutya. Uxinzelelo lokubumba ucinezela ishidi kwi-mold, ilungele ukwenza iimveliso ezinobunzima obuphezulu kunye nezinzima. Ukubumba oomatshini kusebenzisa izixhobo zoomatshini ukufaka uxinzelelo ngokuthe ngqo, ubukhulu becala esetyenziselwa ukwenziwa kweemveliso ezinodonga olungqingqwa.
Ngexesha lenkqubo yokwenza, iiparamitha ezinjengoxinzelelo, ixesha, kunye nobushushu kufuneka zilawulwe. Uxinzelelo olugqithisileyo lunokubangela ukuba iphepha ligqabhuke, ngelixa uxinzelelo olungonelanga lunokubangela ukumila kwemveliso engaphelelanga. Ixesha elide lokubumba linokubangela ukuguga kwezinto, ngelixa ixesha elifutshane kakhulu linokuthintela ukuveliswa ngokupheleleyo kweenkcukacha zemveliso.
4. Ukupholisa
Ukupholisa yinkqubo yokupholisa ngokukhawuleza imveliso yeplastiki eyenziwe kwimeko eqinileyo. Isantya sokupholisa sichaphazela ngokuthe ngqo ukuzinza kwe-dimensional yemveliso kunye nomgangatho womphezulu. Ukupholisa ngokuqhelekileyo kwenziwa kusetyenziswa umoya okanye amanzi, ngokuxhomekeke kwimilo yemveliso, izinto eziphathekayo, kunye neemfuno zemveliso.
5. Ukusika
Emva kokuba ukupholisa kugqityiwe, iimveliso ezenziweyo kufuneka zinqunywe ukuze zisuse iindawo ezingaphezulu, ziqinisekisa ukuba imiphetho ecocekileyo kunye nechanekileyo. Iimveliso ezisikiweyo zifuna ukuhlolwa ngakumbi ukuqinisekisa ukuba ziyahlangabezana nemilinganiselo efunekayo kunye neemilo.
6. Ukuqokelelwa kweNkunkuma
Inkunkuma eveliswa ngexesha lenkqubo ye-thermoforming, efana nokusikwa komphetho kunye neemveliso ezineziphene, idla ngokuqokelelwa ukuze isetyenziswe kwakhona. Oku akuncedi nje ukunciphisa inkunkuma yempahla ekrwada kuphela kodwa kuyahlangabezana neemfuno zokusingqongileyo. Emva kokuqokelelwa kwenkunkuma, ezi zixhobo zinokuphinda zihlaziywe zibe ngamaphepha amatsha ukuze kuqhutyekwe nemveliso.
Umenzi ochwephesha woomatshini be-thermoforming.
