Ukubukwa: 0 Umbhali: Umhleli Wesayithi Isikhathi Sokushicilela: 2025-09-11 Imvelaphi: Isayithi
Wake wazibuza ukuthi amashidi epulasitiki aba kanjani amathreyi, amaphaneli, noma amaphakheji? Kuqala ngenqubo ebizwa ngokuthi i-thermoforming. I-PVC ingenye yezinketho eziphezulu zalokhu. Iqinile, iphephile, futhi kulula ukuyibumba.
Kulesi sihloko, uzofunda ukuthi iyini i-PVC thermoforming, ukuthi isetshenziswa kanjani, kanye nemikhuba emihle kakhulu yokwakha.
Ishidi le-PVC elenziwe nge-thermoforming liyinqubo yokwakha ipulasitiki lapho ukushisa namandla kuguqula khona i-PVC eyisicaba ibe yizinto ezibunjiwe. Liqala lapho sifudumeza ishidi le-PVC lize lithambe ngokwanele ukuba ligobe. Bese, silicindezela noma silidonse phezu kwesikhunta. Uma selipholile, ipulasitiki ibamba isimo sesikhunta. Yilokho okuyisisekelo sendlela esebenza ngayo i-thermoforming.
Amashidi e-PVC asetshenziswa kule nqubo afika ngobukhulu obuhlukene. Amabanga avamile aqala ku-0.2 mm kuya cishe ku-6.5 mm. Amashidi amancane, ngokuvamile angaphansi kuka-3 mm, asetshenziswa ekupakisheni njengamathileyi noma amaphakethe ama-blister. Akhuluphele, ngezinye izikhathi angaphezu kuka-6 mm, asebenza kangcono ezintweni eziqinile njengamaphaneli ezimoto noma izembozo zamathuluzi. Ungathola lawa mashidi ngobukhulu obujwayelekile njengo-700x1000 mm, 915x1830 mm, noma ngisho nama-roll abanzi emishinini ewadingayo.
Uma kuqhathaniswa nezinye izindlela zokwakha ipulasitiki, i-thermoforming ilula kakhulu futhi ingabizi kakhulu. Ukubumba ngomjovo, isibonelo, kuhle kakhulu ekukhiqizweni ngobuningi kodwa kudinga amathuluzi abizayo. Ukubumba ngomjovo kulungele amabhodlela kodwa hhayi izimo eziyisicaba. I-Thermoforming isivumela ukuthi senze imiklamo enemininingwane, ama-prototype, noma izinto ezinkulu ngaphandle kwalezo zisetho eziyinkimbinkimbi. Yingakho izimboni eziningi zikhetha lokho, ikakhulukazi lapho zisebenza nge-PVC.
Uma kukhulunywa ngokwakhiwa kwepulasitiki, i-PVC ivelele ngezizathu ezimbalwa eziqinile. Okokuqala, yakhelwe ukumelana namakhemikhali aqinile kanye nemithelela enamandla. Lokho kuyenza ifaneleke kakhulu ezindaweni ezifana nezindawo zelebhu, ukupakishwa kwezokwelapha, noma ingaphakathi lezimoto. Uma umkhiqizo udinga ukuphatha amafutha, amafutha, noma izinto zokuhlanza, i-PVC yenza umsebenzi ngaphandle kokuqhekeka noma ukuncibilika.
Isebenza kahle nasezimweni ezishisa kakhulu noma zangaphandle. I-PVC inezakhiwo zemvelo ezivimbela ilangabi, ngakho ngeke ibambe umlilo kalula. Ngaphezu kwalokho, iyamelana nokukhanya kwelanga ngenxa yokuzinza kwe-UV. Yingakho isetshenziswa kumaphaneli angaphandle, ezimpawini zezibonakaliso, nasezindaweni zokuvala zezimboni. Awudingi ukwelashwa okwengeziwe ukuze uyigcine iphephile ekulimaleni kwesimo sezulu.
Manje ake sixoxe ngezindleko. Kungakhathaliseki ukuthi wenza izingcezu ezingu-50 noma ezingu-50,000, i-PVC ingabizi. Uma usebenzisa izinto ezincane, izindleko zamathuluzi ziphansi kune-injection molding. Kumaphrojekthi anomthamo omkhulu, isivinini sokwakha kanye nekhwalithi ehambisanayo kusiza ekunciphiseni imfucuza nokonga imali. Isebenza kuzo zombili izinhlangothi zesikali sokukhiqiza.
I-PVC iletha nezinzuzo ezithile eziluhlaza. Ingasetshenziswa kabusha futhi ingasetshenziswa kabusha ngezindlela eziningi. Lokho kuyasiza ezinkampanini ezizama ukunciphisa umthelela wazo kwezemvelo. Amanye amafektri aphinde asebenzise imfucuza ye-PVC enqunyiwe emuva enkambisweni. Ayiphelele, kodwa uma iqhathaniswa nezinye izinto ze-thermoplastic, ilinganisela kahle amandla, ukuphepha, kanye nokusimama.
Ishidi le-PVC elenza i-thermoforming liqala ngokulifudumeza. Sithatha ishidi eliyisicaba bese siphakamisa izinga lokushisa lalo lize lithambe futhi liguquguquke. Indawo yokushisa incike ekujiyeni kanye nohlobo, kodwa ivame ukuba phakathi kuka-140°C no-160°C. Lishisa kakhulu, futhi lingase liqhume noma lishise. Lipholile kakhulu, futhi ngeke lime kahle. Imishini eminingi isebenzisa ama-radiant heater noma ama-convection oven ukuze lisebenze kahle.
Uma isiguquguquka, siqhubekela ekwakheni. Kunezindlela ezimbalwa lapha. Ukwakha i-vacuum shape yikho okuvame kakhulu. Kudonsa ishidi elifudumele phansi phezu kwesikhunta sisebenzisa ukumunca, kusinika amathreyi ayisisekelo, izivalo, kanye nezembozo zokubonisa. Ukwakha ingcindezi kusebenza njengokwakha i-vacuum shape kodwa kunezela ingcindezi yomoya eyengeziwe ukuze kucindezelwe ishidi ngokuqinile emininingwaneni emincane. Ukwakha ngomshini kweqa i-vacuum shape. Esikhundleni salokho, isebenzisa ipulaki eliyinhloko noma ithuluzi lokunyathela ukuze icindezele ishidi esikhunta, kuhle kakhulu ekudonseni okujulile noma ekubunjweni okunembile kobuso.
Ngemva kokubumba, ingxenye idinga ukupholisa. Le ngxenye kulula ukuyikhohlwa kodwa ibaluleke kakhulu. Uma iphola ngokushesha kakhulu noma ngokungalingani, ubuso bungagoba noma buqhekeke. Ezinye izinto zokusetha zisebenzisa ama-air jets. Ezinye zithembele emanzini noma ezinhlotsheni zensimbi ezimunca ukushisa ngokulinganayo. Uma iqinile, siyayisika impahla eyengeziwe. Ukuyisika kungenziwa ngesandla noma kwakhelwe emshinini ukuze uthole imiphumela esheshayo kanye nekhwalithi engcono yomphetho.
Imishini yokwenza i-thermoforming iyahlukahluka kuye ngomsebenzi. Imishini yezimboni iphatha amashidi amakhulu kanye namaqoqo amakhulu. Iza nezici ezifana nokubopha okuzenzakalelayo, ukupholisa isikhunta, kanye nokushintsha amathuluzi okusheshayo. Imishini yedeskithophu mincane, isetshenziselwa ukuhlola noma ama-prototype. Ishibhile kodwa isanamandla ngokwanele emisebenzini eminingi yokwenza i-PVC. Eminye inikeza ngisho nezinketho ze-vacuum kanye ne-pressure kuyunithi eyodwa.
Uma kukhulunywa ngokubumba amashidi e-PVC, kunezindlela eziningana ezenza umsebenzi uqedwe. Ngayinye inendlela yayo yokusebenzisa, kuye ngomklamo kanye nezinga lemininingwane edingekayo.
Ukwakha i-vacuum kuyindlela elula nesetshenziswa kakhulu. Sifudumeza ishidi le-PVC, bese silidonsa phezu kwesikhunta sisebenzisa ukumunca. Lokhu kusebenza kahle ezintweni ezifana namathileyi okudla, ukupakishwa kwezitolo, noma izembozo zokuvikela. Kusebenza kahle futhi kuyashesha, ikakhulukazi uma singadingi amakhona abukhali noma ukuthungwa okujulile.
Uma sifuna incazelo engcono, ukwakha ingcindezi kuyindlela engcono. Kuqala njengokwakha i-vacuum kodwa kwenezela ingcindezi yomoya eyengeziwe phezu kweshidi. Leyo ngcindezi isiza ipulasitiki ukukopisha yonke imininingwane yesikhunta. Lokhu kuyenza ifaneleke kakhulu kumaphaneli, izembozo zemishini, noma yini edinga amalogo noma ukwakheka okwakhelwe ngaphakathi.
Ukwakheka kwemishini kusinika ukulawula okungcono kakhulu. Esikhundleni sokusebenzisa umoya, kucindezela ipulaki ngqo eshidini elishisayo. Amandla asunduza ipulasitiki ngokuqinile kuwo wonke amakhona esikhunta. Uma wenza izingxenye zedeshibhodi noma izingxenye ezinama-curve ajulile kanye nemiphetho ebukhali, le ndlela inikeza imiphumela eqinile nenemininingwane.
Ukuze uthole izinto eziyinkimbinkimbi kakhulu, ukwakheka kweshidi eliphindwe kabili kusenza sihlanganise amaphepha amabili abe yingxenye eyodwa. Womabili ayashiswa futhi akhiwe ngesikhathi esisodwa. Bese, siwahlanganisa ndawonye emaphethelweni. Sivame ukukusebenzisa lokhu ezingxenyeni ezifana nemigudu yomoya, amathreyi aqinile, noma izitsha zikaphethiloli. Isikhala esingenalutho ngaphakathi sinezela amandla ngaphandle kwesisindo esengeziwe.
Ukwakheka kwe-drape kuhle kakhulu kuma-curve noma izembozo eziyisisekelo. Inqubo ilula. Sifudumeza i-PVC bese siyibeka phezu kwesikhunta. Akukho vacuum noma ingcindezi edingekayo. Ishibhile futhi isebenza kahle ezintweni ezifana nama-machine guard noma amaphaneli agobile. Uma isimo singesiyinkimbinkimbi kakhulu, le ndlela igcina ishesha futhi ingabizi.
I-PVC thermoforming ibonakala ezimbonini eziningi ngoba iyaguquguquka, inamandla, futhi iyathengeka. Kwezempilo, isetshenziselwa ukupakisha amadivayisi ezokwelapha okugcina imikhiqizo ihlanzekile kuze kube yilapho isetshenziswa. Amathileyi okuhlinza enziwe nge-PVC thermoformed aqinile ngokwanele ukuthuthwa kodwa alula ukuwaphatha kalula. Amelana namakhemikhali avela ezintweni zokuhlanza kanye nezibulala-magciwane.
Ezimakethe zabathengi, i-PVC thermoforming isiza ekudaleni izindlu ze-elekthronikhi nezembozo zemishini. Lezi zingxenye ziyazuza ekumelaneni komthelela we-PVC kanye nokuqedwa kobuso obuhlanzekile. Isebenza kahle nasezimpahleni ezincane zasekhaya, izinika isakhiwo ngaphandle kokwengeza isisindo esiningi. Abaklami abaningi bayayithanda ngoba ingakha ama-curve anemininingwane noma ukuthungwa ngqo ngesikhathi sokwakheka.
Izindawo zezimboni zithembele ku-PVC eyenziwe ngokushisa ukuze kusetshenziswe amathileyi, izitsha zokugcina izinto, kanye nezivikelo zomshini. Izinto zokwakha ziyakwazi ukumelana namafutha, izinyibilikisi, kanye nokusetshenziswa kakhulu. Zingenziwa ngama-gauge amakhulu ukuze zisetshenziswe ngamandla aphezulu noma ngamashidi amancane ukuze kwenziwe imisebenzi elula. Amafektri avame ukukhetha i-PVC ngoba kulula ukuyihlanza nokuyinakekela.
Ingaphakathi lezimoto liphinde lisebenzise amashidi e-PVC afakwe ubushushu. Amaphaneli, amadeshibhodi, kanye nezingcezu zokuhlobisa kungenziwa ukuze kufane nezimo eziyinkimbinkimbi ngaphakathi kwemoto. Ukumelana ne-UV kuvimbela izingxenye ukuthi zingafiphali, kuyilapho izakhiwo zayo ezivimbela ilangabi zengeza olunye ungqimba lokuphepha. Kufanelana kahle nezindawo ezigugile kakhulu ezisadinga ukubukeka okubushelelezi nokuqediwe.
Embonini yokudla, i-PVC thermoforming ivame kakhulu kuma-blister packs, ama-clamshell, kanye nama-serving tray. Le mikhiqizo idinga izakhiwo eziqinile zokuvala ukuze kugcinwe ukudla kusha. I-PVC ecacile iphinde inikeze abathengi umbono ocacile walokho okungaphakathi. Imigqa yokupakisha ukudla ivame ukusebenzisa amashidi e-PVC aphekwa ngama-roll ukuze akheke ngokushesha nangokungaguquguquki ngamanani aphezulu.
Uma sikhetha i-PVC yokwenza i-thermoforming, kunezici ezimbalwa ezibalulekile eziqondisa ukukhetha. Ukucaca kubalulekile uma umkhiqizo udinga ukukhombisa okuqukethwe kwawo, njengasekupakishweni kokudla noma ekubonisweni kwezitolo. Amandla ayinto ebaluleke kakhulu, ikakhulukazi kumathileyi ezimboni noma izembozo zokuvikela. Ukumelana nokushisa nakho kubalulekile. Kusiza umkhiqizo ukuthi uphathe amazinga okushisa ngaphandle kokugoba futhi uhlale uzinzile ngesikhathi sokusetshenziswa kwansuku zonke.
Amashidi e-PVC afika ngezinhlobo eziqinile neziguquguqukayo. I-PVC eqinile iqinile, ibamba ukuma kwayo kahle, futhi isebenza ezintweni ezidinga ubuqotho besakhiwo. I-PVC eguquguqukayo igoba kalula, okwenza ibe ngcono ezinhlelweni ezidinga ukumuncwa okunamandla noma ukufakwa okugobile. Kokubili kungashintshwa ngokushisa, kodwa izinga lokushisa lokwakheka kanye nokusethwa kwesikhunta kungahluka kancane.
Ngezinye izikhathi sikhetha phakathi kwamashidi e-PVC anombala nacacile. Amashidi acacile anikeza ukubonakala okuphezulu futhi avame kakhulu emaphaketheni noma ezikhangisweni zokubonisa. Amashidi anombala ayasiza uma sifuna ukuvimba ukukhanya, ukufanisa imibala yomkhiqizo, noma ukufihla ingaphakathi lomkhiqizo. Ukukhetha kungathinta nokumelana ne-UV kanye nokubukeka kokugcina.
Uma kuqhathaniswa nezinye izinto, i-PVC iyazimela. I-PET inhle kakhulu ekucaciseni nasekuphepheni kokudla kodwa ibiza kakhulu kwamanye amamaki. I-ABS inikeza amandla amakhulu okushaya kodwa inzima futhi ayibonakali kahle. Ama-HIPS ashibhile futhi kulula ukuwaphrinta, kodwa awamelani namakhemikhali njenge-PVC. Inketho ngayinye inendawo yayo, kodwa i-PVC inikeza ibhalansi yokusebenza, izindleko, kanye nokuguquguquka okusebenza ezimbonini eziningi.
Umehluko omkhulu phakathi kwe-thermoforming ye-PVC esindayo nencane uncike ekujikeni kweshidi. I-heavy gauge isebenzisa amashidi amakhulu, ngokuvamile aphakathi kuka-1.5 mm no-9.5 mm, kuyilapho i-thin gauge ingaphansi kuka-3 mm. Lokhu kushintsha kobukhulu akuthinti nje kuphela inqubo yokwakha kodwa futhi namandla omkhiqizo wokugcina kanye nokusetshenziswa kwawo.
I-PVC encane ivame kakhulu ekupakisheni ukudla. Ilungele amathileyi, ama-blister packs, nama-clamshells ngoba ilula futhi ingakhiqizwa ngokushesha ngamanani aphezulu. Imishini ye-thin gauge ivame ukusebenzisa izinhlelo ezifakwa ama-roll ezisebenza njalo, okugcina izindleko zokukhiqiza ziphansi. I-PVC enzima ikhethwa ezitsheni zezimboni, amaphaneli ezimoto, noma ama-machine guards. Lezi zingxenye zidinga ukuqina nokuqina, ngakho-ke ishidi elikhulu linengqondo.
Ubukhulu buphinde bushintshe isikhathi kanye nezindleko zokwakha. Amashidi amakhulu athatha isikhathi eside ukushisa nokuma, okunganciphisa ukukhiqizwa. Angadinga izinhlelo eziqinile ze-vacuum noma zokucindezela ukuze akhe imininingwane kahle. Amashidi amancane ashisa ngokushesha futhi asebenzise izinto ezincane, okunciphisa ukusetshenziswa kwamandla kanye nezindleko ngengxenye ngayinye. Kodwa-ke, awanamandla afanayo esakhiwo njenge-heavy gauge, ngakho-ke ukusetshenziswa kumele kufane namakhono eshidi.
Ukuthola izinga lokushisa elifanele lokwakheka yisinyathelo sokuqala. Kwamashidi amaningi e-PVC, ububanzi buphakathi kuka-140°C no-160°C. Amashidi amancane angadinga ukushisa okuncane, kuyilapho amageyiji amakhulu ethatha isikhathi eside ukufudumala. Ukushisa kakhulu kungabangela ukubhamuka noma ukushintsha kombala, kuyilapho okuncane kakhulu kushiya ishidi liqinile kakhulu ukuba lingakheki kahle.
Kudingeka futhi siqaphele amaphutha avamile ngesikhathi sokwakheka. Ukugoba kuvame ukuvela ekushiseni noma ekupholiseni okungalingani. Ubukhulu obungalingani bungenzeka uma ishidi lelula kakhulu ezindaweni ezithile. Ukukhululwa kabi kwesikhunta kungenye inkinga, evame ukubangelwa ama-engeli anganele okudonsa noma indawo enamathelayo. Ukusebenzisa isikhunta esihlanzekile, esinakekelwe kahle kunciphisa amathuba alezi zinkinga.
Ukusika nokuqeda kudlala indima enkulu ekhwalithini. Imiphetho ehlanzekile kulula ukuyifinyelela uma ukusika kwenzeka ngenkathi ishidi lisafudumele kancane. Ezingxenyeni ezijiyile, i-CNC router ingaqinisekisa ukusika okuhambisanayo. Izinto ezincane zingase zibe ngcono ngokusika ngodayi noma ngomshini owakhelwe ngaphakathi. Ukususa imiphetho ebukhali noma ama-burrs kwenza umkhiqizo uphephe futhi ukhange kakhudlwana.
Ukwakhiwa kwamathuluzi kanye nokwakheka kwesikhunta kubaluleke kakhulu. Ama-engeli okudweba asiza izingxenye ukuthi zikhululeke ngaphandle kokulimala. Izimbobo zomoya zivumela umoya ukuba uphume ngesikhathi sokwakheka, okuthuthukisa imininingwane futhi kunciphisa amaphakethe omoya abambekile. Ukukhetha izinto ezifanele zesikhunta—njenge-aluminium yomthamo ophezulu noma izinhlanganisela zezinhlobo zeprototype—kuthinta isivinini sokupholisa kanye nokuqina. Le mininingwane ingenza umehluko phakathi kokuhamba kahle kokukhiqiza kanye nezinto ezilahlekile.
Kwa-HSQY PLASTIC GROUP, sinikela Amashidi e-PVC asebenza kahle kakhulu enzelwe izinhlelo zokusebenza ze-thermoforming . Acacile, azinzile, futhi akhelwe ukuphatha kokubili ukushisa nokuma kalula. Kungakhathaliseki ukuthi wenza amabhokisi agoqekayo noma amathileyi ezokwelapha, leli shidi liyakheka kahle futhi lihlala kahle ngaphansi kwengcindezi.

Itholakala ngosayizi abahlukahlukene abajwayelekile, sisekela nokwenza ngokwezifiso okugcwele ngokusekelwe ezidingweni zakho zokwakheka. Ubuso buhlala bucwebezela futhi bubushelelezi, kuyilapho izinketho ezifana nombala oluhlaza okwesibhakabhaka noma imibala yangokwezifiso zisiza ukufanisa uphawu lwakho noma injongo yomkhiqizo. Ayingeni manzi, izinzile nge-UV, futhi ayishisi ilangabi, okwenza ifaneleke ukusetshenziswa isikhathi eside noma okudinga umzamo.
Nasi ukubuka okusheshayo kwemininingwane yomkhiqizo:
| Kwepharamitha | Ukucaciswa |
|---|---|
| Osayizi (ishidi) | 700×1000mm, 915×1830mm, 1220×2440mm, ngokwezifiso |
| Ububanzi bokujiya | 0.21–6.5mm |
| Ubuso | Kucwebezela nhlangothi zombili |
| Imibala | Umbala ocacile, oluhlaza okwesibhakabhaka, noma owenziwe ngokwezifiso |
| Ubuningi | 1.36–1.38 g/cm³ |
| Amandla okudonsa | >52 MPa |
| Amandla omthelela | >5 kJ/m² |
| Umthelela wokulahla | Akukho ukwaphuka |
| Izinga lokushisa lokuthambisa | 75°C (ipuleti lokuhlobisa), 80°C (ipuleti lezimboni) |
| Ukusetshenziswa okuvamile | Ukwakha i-vacuum, ukuphrinta kwe-offset, amabhokisi agoqekayo, amathileyi ezokwelapha |
Ukuze uthole imigqa yokwakha esheshayo kanye nokwenza izinto ngokuzenzakalelayo kokupakisha, Ama-roll ethu e-PVC anikeza amandla nokusebenza kokuvala. Lawa alungele amaphakethe ama-blister, ama-clamshell, kanye nama-tray okudla. Ama-roll afika ngobubanzi nobukhulu obuguquguqukayo, enezinketho eziningana zobuso ukuze kuhlangatshezwane nezidingo zakho zokubona nokusebenza.

Zakheka kahle ngaphandle kokuqhekeka futhi zigcina umswakama nomoya-mpilo ungangeni, okwenza zibe zilungele izimpahla ezibolayo. Ngaphezu kwalokho, zigcina amandla amahle okuguquguquka futhi zimelana nokushayisana, okusiza ngesikhathi sokuthuthwa noma ukuvalwa.
Imininingwane ebalulekile yezinto ezigoqwayo:
| yepharamitha | Imininingwane |
|---|---|
| Ububanzi bebanga | 10mm–1280mm |
| Ububanzi bokujiya | 0.05–6mm |
| Izinketho zomphezulu | Okucwebezelayo, Okucwebezelayo, Okuqandisiwe |
| Imibala | Kucacile noma akucaci, kwenziwa ngezifiso |
| Izinto | I-PVC eyi-100% emsulwa |
| Izakhiwo ezibalulekile | Ukuvala, ukuvikela izithiyo, ukumelana nomthelela |
| Izicelo | Amathileyi okudla, amaphakheji alahlwayo, amaphakethe ama-blister |
Sigxila kwikhwalithi kanye nokusebenza kusukela ekuqaleni kuze kube sekupheleni. Amashidi nama-roll ethu enziwe ngezinto ezingezona ezivamile, okuqinisekisa imiphumela yokwakheka ehambisanayo kanye nokuqina okuphezulu. Ubukhulu bulawulwa ngokuqinile ukuze kugwenywe amaphutha ekukhiqizeni. Siphinde sisekele ama-oda enziwe ngokwezifiso anezikhathi zokushintsha okusheshayo.
Ithimba lethu lingakusiza ngokuhambisana nesikhunta kanye nezimo zokwakha ukuze likusize uthuthukise umkhiqizo wakho. Njengoba sinamakhasimende kuzo zonke izimboni zezokwelapha, zezimboni, zokudla, kanye nezitolo, siyaqonda izidingo ezihlukile zezimakethe ezahlukene futhi sinikeza i-PVC esebenza ngokuthembeka njalo.
Ngezinye izikhathi, ngisho nalapho silandela izinyathelo ezifanele, ishidi le-PVC alikhi ngendlela okufanele likhiqizwe ngayo. Mhlawumbe liyawa ngokungalingani, lenze amabhamuza omoya, noma lehluleke ukuthola imininingwane emincane yesikhunta. Lokho ngokuvamile kusho ukuthi ukushisa akusatshalaliswanga ngokulinganayo, noma ishidi alifikanga ezingeni lokushisa elifanele. Isikhunta esigobile noma esimiswe kabi singadala lezi zinkinga. Hlola njalo ukuthi ishidi liboshwe kahle nokuthi isikhunta sihlanzekile futhi siqondile.
Enye yezinkinga ezivame kakhulu ukwakheka kwama-bubble. Lokho ngokuvamile kusho ukuthi kukhona umswakama ovalelekile ngaphakathi kweshidi. I-PVC ivame ukumunca umswakama omncane ovela endaweni yokugcina noma ekuthuthweni. Uma siwufudumeza, lowo mswakama uphenduka umusi, okubangela ama-blister. Ukuncipha kungenye inkinga. Uma izindawo ezithile zelula kakhulu kunezinye, ubukhulu bodonga buba obungalingani. Lokho kuvame ukwenzeka lapho ishidi lishisa kakhulu, noma ukwakheka kwesikhunta kungasekeli kahle ukuma. Futhi uma ingxenye iphuma nemiphetho ethambile noma ingenayo imininingwane, khona-ke ingcindezi yokwakheka yayiphansi kakhulu noma impahla iphole ngokushesha kakhulu.
Ukuze ugweme lezi zinkinga, ukomisa ishidi kusengaphambili kusiza kakhulu. Ngisho namahora angu-2-4 ekushiseni okuphansi kungasusa iningi lomswakama. Lokhu kuwusizo ikakhulukazi ezindaweni ezinomswakama noma ngemva kokugcinwa isikhathi eside. Ukuzinza kokushisa nakho kubalulekile. Sebenzisa ama-heater ahlukaniswe ngokulinganayo bese uhlola izindawo ezishisayo noma ezibandayo ngesithwebuli sokushisa uma kudingeka. Ufuna ishidi lonke lithambe ngesikhathi esifanayo. Ukushisa okungalingani kungaholela ezicini zokucindezeleka, ukuphambuka, noma ukuqhekeka ngemva kokuba ingxenye ipholile.
I-thermoforming ye-PVC iyindlela eguquguqukayo, eyonga izindleko esebenza ezimweni eziningi nasezimbonini. Inikeza ukumelana namakhemikhali kanye nokulula kokuklama. Ngokufudumeza okufanele, ukulawula isikhunta, kanye nokusika, sigwema amaphutha avamile futhi siqinisekise imiphumela ehlanzekile. I-PVC ifanelana nezidingo zokudla, zezokwelapha, zezimoto, kanye nezokuthengisa ngokucacile, amandla, kanye nokuphepha. I-HSQY PLASTIC GROUP iletha amashidi nama-roll asezingeni eliphezulu enzelwe ukwakheka okubushelelezi nokusebenza okuhlala isikhathi eside.
I-PVC ivame ukwakheka kahle phakathi kuka-140°C no-160°C. Amashidi amakhulu angadinga amazinga okushisa aphezulu kancane kanye nezikhathi zokushisa ezinde.
Amabhamuza avame ukwakheka ngenxa yomswakama obambekile. Zama ukomisa ishidi lakho kusengaphambili ukuze ususe umswakama ngaphambi kokushisa.
Yebo, zombili izinhlobo zingaba nokwakheka kwe-thermoform. I-PVC eqinile inikeza isakhiwo. I-PVC eguquguqukayo ingcono ezingxenyeni ezigobile noma ezibamba ukushaqeka.
Igeyiji esindayo ilungele amashidi amakhulu nezingxenye eziqinile. Igeyiji encane isebenza kahle kakhulu ekupakisheni okunomthamo omkhulu nokulula.
I-HSQY inikeza ukujiya okulinganayo, izindawo ezicacile, kanye nezakhiwo eziqinile zokuvimbela, ezifanele ukusetshenziswa kokudla, kwezokwelapha, noma kokubonisa.