Mawonedwe: 0 Wolemba: Mkonzi wa Tsamba Nthawi Yofalitsa: 2025-09-11 Chiyambi: Tsamba
Kodi mudayamba mwadzifunsapo kuti mapepala apulasitiki amasanduka bwanji mathireyi, mapanelo, kapena mapaketi? Zimayamba ndi njira yotchedwa thermoforming. PVC ndi imodzi mwa njira zabwino kwambiri pa izi. Ndi yolimba, yotetezeka, komanso yosavuta kupanga.
Mu positi iyi, muphunzira tanthauzo la PVC thermoforming, chifukwa chake imagwiritsidwa ntchito, ndi njira zabwino zopangira.
Kukonza pepala la PVC ndi njira yopangira pulasitiki pomwe kutentha ndi mphamvu zimasinthasintha kukhala zinthu zooneka ngati pulasitiki. Zimayamba tikamatenthetsa pepala la PVC PVC litafewa mokwanira kuti lipinde. Kenako, timalikanikiza kapena kulikoka pa nkhungu. Likazizira, pulasitiki imasunga mawonekedwe a nkhungu. Ndicho chimake cha momwe thermoforming imagwirira ntchito.
Mapepala a PVC omwe amagwiritsidwa ntchito pochita izi amabwera ndi makulidwe osiyanasiyana. Mapepala ofala amakhala kuyambira 0.2 mm mpaka pafupifupi 6.5 mm. Mapepala oonda, nthawi zambiri osakwana 3 mm, amagwiritsidwa ntchito popaka ngati mathireyi kapena ma blister packs. Okhuthala, nthawi zina opitirira 6 mm, amagwira ntchito bwino pazinthu zolimba monga mapanelo agalimoto kapena zophimba zida. Mutha kupeza mapepala awa mu kukula koyenera monga 700x1000 mm, 915x1830 mm, kapena ngakhale mipukutu yokulirapo ya makina omwe amawafuna.
Poyerekeza ndi njira zina zopangira pulasitiki, thermoforming ndi yosavuta komanso yotsika mtengo. Mwachitsanzo, kupanga jekeseni ndikwabwino popanga zinthu zambiri koma kumafuna zida zodula. Kupanga ma blow molding ndikwabwino kwambiri pamabotolo koma osati mawonekedwe athyathyathya. Kupanga ma thermoforming kumatithandiza kupanga mapangidwe atsatanetsatane, zitsanzo, kapena zinthu zazikulu popanda zinthu zovuta. Ndicho chifukwa chake mafakitale ambiri amasankha izi, makamaka akamagwira ntchito ndi PVC .
Ponena za kupanga pulasitiki, PVC imaonekera bwino pazifukwa zingapo zomveka. Choyamba, imapangidwa kuti isawonongeke ndi mankhwala amphamvu komanso kugundana mwamphamvu. Izi zimapangitsa kuti ikhale yoyenera malo monga malo ochitira kafukufuku, ma CD azachipatala, kapena mkati mwa magalimoto. Ngati chinthucho chikufunika kugwiritsa ntchito mafuta, mafuta, kapena zotsukira, PVC imagwira ntchito popanda kusweka kapena kusungunuka.
Imagwiranso ntchito bwino m'malo otentha kwambiri kapena panja. PVC ili ndi mphamvu zachilengedwe zoletsa moto, kotero siigwira moto mosavuta. Komanso, imapirira dzuwa chifukwa cha kukhazikika kwa UV. Ichi ndichifukwa chake imagwiritsidwa ntchito m'mapanelo akunja, zizindikiro, ndi m'mafakitale. Simukusowa chithandizo chowonjezera kuti mutetezeke ku kuwonongeka kwa nyengo.
Tsopano tiyeni tikambirane za mtengo. Kaya mukupanga zidutswa 50 kapena 50,000, PVC ndi yotsika mtengo. Pa ntchito zazing'ono, ndalama zogwiritsira ntchito zida zimakhala zochepa poyerekeza ndi jekeseni. Pa ntchito zazikulu, liwiro lopanga komanso khalidwe lokhazikika zimathandiza kuchepetsa kuwononga ndalama ndikusunga ndalama. Zimagwira ntchito mbali zonse ziwiri za sikelo yopangira.
PVC imabweretsanso zabwino zina zobiriwira. Imatha kubwezeretsedwanso ndipo ingagwiritsidwenso ntchito m'njira zosiyanasiyana. Izi ndi zothandiza kwa makampani omwe akuyesera kuchepetsa kuwononga chilengedwe. Mafakitale ena amagwiritsanso ntchito zinyalala zochotsedwa PVC nthawi yomweyo. Sizabwino kwenikweni, koma poyerekeza ndi ma thermoplastic ena, imagwirizanitsa mphamvu, chitetezo, komanso kukhazikika bwino.
Pepala lopangira kutentha PVC limayamba ndi kutentha. Timatenga pepala lathyathyathya ndikukweza kutentha kwake mpaka litafewa komanso losinthasintha. Malo otenthetsera amatengera makulidwe ndi mtundu wake, koma nthawi zambiri amatsika pakati pa 140°C ndi 160°C. Likatentha kwambiri, limatha kuphulika kapena kupsa. Limazizira kwambiri, ndipo silingawoneke bwino. Makina ambiri amagwiritsa ntchito ma radiant heater kapena ma convection ovens kuti lizigwira bwino ntchito.
Ikayamba kusinthasintha, timayamba kupanga. Pali njira zingapo apa. Kupanga vacuum ndiko kofala kwambiri. Kumakoka pepala lotenthedwa pansi pa nkhungu pogwiritsa ntchito suction, zomwe zimatipatsa ma tray oyambira, zivindikiro, ndi zophimba zowonetsera. Kupanga kupanikizika kumagwira ntchito ngati kupanga vacuum koma kumawonjezera mpweya wowonjezera kuti pepalalo lizigwira mwamphamvu kwambiri. Kupanga kwamakina kumadutsa vacuum. M'malo mwake, kumagwiritsa ntchito pulagi yapakati kapena chida chopondera kuti kukankhire pepalalo mu nkhungu, zomwe ndi zabwino kwambiri pakukoka mozama kapena mawonekedwe enieni a pamwamba.
Pambuyo pokonza, gawolo liyenera kuziziritsidwa. Gawoli ndi losavuta kulinyalanyaza koma lofunika kwambiri. Ngati lazizira mofulumira kwambiri kapena mosagwirizana, pamwamba pake pakhoza kupindika kapena kusweka. Makonzedwe ena amagwiritsa ntchito ma air jets. Ena amadalira madzi kapena zitsulo zomwe zimayamwa kutentha mofanana. Ngati lili lolimba, timadula zinthu zina zowonjezera. Kudula kungachitike ndi manja kapena kuikidwa mu makina kuti mupeze zotsatira zachangu komanso zabwino kwambiri.
Zipangizo zopangira thermoforming zimasiyana malinga ndi ntchito. Makina a mafakitale amagwira mapepala okhuthala ndi magulu akuluakulu. Amabwera ndi zinthu monga kutseka zokha, kuziziritsa nkhungu, komanso kusintha zida mwachangu. Makina apakompyuta ndi ang'onoang'ono, omwe amagwiritsidwa ntchito poyesa kapena kupanga zitsanzo. Ndi otsika mtengo koma amakhalabe amphamvu mokwanira pantchito zambiri zopangira PVC . Ena amaperekanso njira zotsukira mpweya ndi kupanikizika mu unit imodzi.
Ponena za kupanga mapepala a PVC , njira zingapo zimagwira ntchito. Njira iliyonse ili ndi njira yake yogwiritsira ntchito, kutengera kapangidwe ndi kuchuluka kwa tsatanetsatane wofunikira.
Kupanga vacuum ndi njira yosavuta komanso yogwiritsidwa ntchito kwambiri. Timatenthetsa pepala la PVC , kenako timalikoka pa nkhungu pogwiritsa ntchito chokoka. Izi zimagwira ntchito bwino pazinthu monga mathireyi a chakudya, ma phukusi ogulitsa, kapena zophimba zoteteza. Ndi zotsika mtengo komanso zachangu, makamaka pamene sitikufuna ngodya zakuthwa kapena mawonekedwe akuya.
Ngati tikufuna tanthauzo labwino, kupanga kupanikizika ndi chisankho chabwino. Kumayamba ngati kupanga vacuum koma kumawonjezera kupanikizika kwa mpweya pamwamba pa pepalalo. Kupanikizika kumeneko kumathandiza pulasitiki kukopera chilichonse cha nkhungu. Izi zimapangitsa kuti ikhale yoyenera pamapanelo, zophimba zida, kapena chilichonse chomwe chimafuna ma logo kapena mawonekedwe omangidwa mkati.
Kupanga makina kumatipatsa mphamvu zambiri zowongolera. M'malo mogwiritsa ntchito mpweya, kumakanikiza pulagi mwachindunji mu pepala lotenthedwa. Mphamvuyo imakankhira pulasitiki mwamphamvu m'makona onse a chikombole. Ngati mukupanga zigawo kapena zigawo za dashboard zokhala ndi ma curve akuya komanso m'mbali zakuthwa, njira iyi imapereka zotsatira zabwino komanso zatsatanetsatane.
Pazinthu zovuta kwambiri, kupanga mapepala awiri kumatithandiza kulumikiza mapepala awiri kukhala gawo limodzi. Onse awiri amatenthedwa ndi kupangidwa nthawi imodzi. Kenako, timawagwirizanitsa pamodzi m'mphepete. Nthawi zambiri timagwiritsa ntchito izi pazinthu monga ma ducts a mpweya, ma trey olemera, kapena zotengera zamafuta. Malo opanda kanthu mkati amawonjezera mphamvu popanda kulemera kowonjezera.
Kupanga ma drape ndikwabwino kwambiri pama curve oyambira kapena ma cover. Njira yake ndi yosavuta. Timatenthetsa PVC ndikuyiyika pa nkhungu. Palibe vacuum kapena pressure yofunikira. Ndi yotsika mtengo ndipo imagwira ntchito bwino pazinthu monga ma machine guards kapena ma curved panels. Ngati mawonekedwe ake si ovuta kwambiri, njira iyi imapangitsa kuti ikhale yachangu komanso yotsika mtengo.
PVC thermoforming imawonekera m'mafakitale ambiri chifukwa ndi yosinthasintha, yolimba, komanso yotsika mtengo. Mu chisamaliro chaumoyo, imagwiritsidwa ntchito popangira zida zachipatala zomwe zimasunga zinthu zosapsa mpaka zitagwiritsidwa ntchito. Mathireyi opangira opaleshoni opangidwa kuchokera ku thermoformed PVC ndi olimba mokwanira kuti anyamulidwe komanso opepuka kuti azigwiritsidwa ntchito mosavuta. Amalimbananso ndi mankhwala ochokera ku zotsukira ndi mankhwala ophera tizilombo.
M'misika ya ogula, PVC thermoforming imathandiza kupanga zipinda zamagetsi ndi zophimba zida. Zigawozi zimapindula ndi kukana kwa PVC komanso kuyeretsa pamwamba. Zimagwiranso ntchito bwino pazinthu zazing'ono zapakhomo, zomwe zimawapatsa kapangidwe kopanda kuwonjezera kulemera kwambiri. Opanga ambiri amakonda chifukwa amatha kupanga ma curve kapena mawonekedwe mwachindunji popanga.
Malo opangira mafakitale amadalira thermoformed PVC ya mathireyi, zosungiramo zinthu, ndi zoteteza makina. Zipangizozi zimapirira mafuta, zosungunulira, ndi kugwiritsidwa ntchito kwambiri. Zingapangidwe mu ma gauge okhuthala kuti zigwiritsidwe ntchito mwamphamvu kwambiri kapena m'mapepala opyapyala kuti zigwiritsidwe ntchito mopepuka. Mafakitale nthawi zambiri amasankha PVC chifukwa ndizosavuta kuyeretsa ndi kusamalira.
Magalimoto amkati amagwiritsanso ntchito mapepala a PVC omwe amapangidwa ndi thermoformed. Ma panel, ma dashboard, ndi zidutswa zokongoletsa zimatha kupangidwa kuti zigwirizane ndi mawonekedwe ovuta mkati mwa galimoto. Kukana kwa UV kumateteza ziwalo kuti zisatayike, pomwe mawonekedwe ake oletsa moto amawonjezera chitetezo china. Ndi abwino kwambiri kumadera omwe amawonongeka kwambiri omwe amafunikirabe mawonekedwe osalala komanso omalizidwa.
Mu makampani opanga chakudya, PVC thermoforming ndi yofala kwambiri pa ma blister packs, clamshells, ndi ma serving tray. Zogulitsazi zimafuna mphamvu zolimba zotsekera kuti chakudya chikhale chatsopano. Chowonekera PVC chimapatsanso ogula mawonekedwe omveka bwino a zomwe zili mkati. Mizere yolongedza chakudya nthawi zambiri imagwiritsa ntchito mapepala opangidwa ndi roll-fed PVC kuti apange mwachangu komanso mokhazikika pamlingo wambiri.
Tikasankha PVC ya thermoforming, pali zinthu zingapo zofunika zomwe zimatsogolera kusankha. Kumveka bwino ndikofunikira ngati chinthucho chikufunika kuwonetsa zomwe zili mkati mwake, monga m'maphukusi azakudya kapena m'masitolo ogulitsa. Mphamvu ndi chinthu china chofunikira, makamaka pamathireyi amafakitale kapena zophimba zoteteza. Kukana kutentha ndikofunikiranso. Zimathandiza kuti chinthucho chizitha kutentha popanda kupindika komanso kukhala chokhazikika nthawi zonse.
Mapepala a PVC amabwera m'mitundu yolimba komanso yosinthasintha. Olimba PVC ndi olimba, amasunga mawonekedwe ake bwino, ndipo amagwira ntchito pazinthu zomwe zimafuna kukhazikika kwa kapangidwe kake. Osinthasintha PVC amapindika mosavuta, zomwe zimapangitsa kuti zikhale bwino pakugwiritsa ntchito zomwe zimafuna kuyamwa kapena kupindika. Zonsezi zimatha kupangidwa ndi thermoform, koma kutentha kwa kapangidwe kake ndi mawonekedwe a nkhungu zimatha kusiyana pang'ono.
Nthawi zina timasankha pakati pa mapepala okhala ndi utoto ndi omveka bwino PVC . Mapepala omveka bwino amapereka mawonekedwe abwino kwambiri ndipo amapezeka kwambiri m'mabokosi opakidwa kapena owonetsera. Mapepala okhala ndi utoto ndi othandiza tikafuna kutseka kuwala, kufananiza mitundu ya mtundu, kapena kubisa mkati mwa chinthu. Kusankha kumeneku kungakhudzenso kukana kwa UV ndi mawonekedwe omaliza.
Poyerekeza ndi zipangizo zina, PVC ndi yabwino kwambiri. PET ndi yabwino kwambiri pofotokoza momveka bwino komanso chitetezo cha chakudya koma imadula mtengo kwambiri m'magawo ena. ABS imapereka mphamvu yayikulu koma ndi yolemera komanso yosawonekera bwino. HIPS ndi yotsika mtengo komanso yosavuta kusindikiza, komabe siilimbana ndi mankhwala ngati PVC . Njira iliyonse ili ndi malo ake, koma PVC imapereka magwiridwe antchito, mtengo, komanso kusinthasintha komwe kumagwira ntchito m'mafakitale ambiri.
Kusiyana kwakukulu pakati pa heavy gauge ndi thin gauge PVC thermoforming kumadalira makulidwe a pepala. Heavy gauge imagwiritsa ntchito mapepala okhuthala, nthawi zambiri pakati pa 1.5 mm ndi 9.5 mm, pomwe thin gauge imakhala pansi pa 3 mm. Kusintha kwa makulidwe kumeneku sikukhudza kokha njira yopangira komanso mphamvu ndi kagwiritsidwe ntchito ka chinthu chomaliza.
Choyezera chopyapyala PVC chimapezeka kwambiri m'mabokosi azakudya. Ndi chabwino kwambiri pamathireyi, ma blister packs, ndi ma clamshells chifukwa ndi chopepuka ndipo chimatha kupangidwa mwachangu kwambiri. Makina a choyezera chopyapyala nthawi zambiri amagwiritsa ntchito makina opukutira omwe amagwira ntchito mosalekeza, zomwe zimapangitsa kuti ndalama zopangira zikhale zochepa. Choyezera chopyapyala PVC chimasankhidwa pamakontena amakampani, mapanelo a magalimoto, kapena zoteteza makina. Zigawozi zimafunika kulimba komanso kulimba, kotero pepala lokhuthala limakhala lomveka.
Kukhuthala kumasinthanso nthawi ndi mtengo wa mapepala. Mapepala okhuthala amatenga nthawi yayitali kutentha ndi mawonekedwe, zomwe zingachedwetse kupanga. Angafunike makina olimba a vacuum kapena pressure kuti apange tsatanetsatane bwino. Mapepala okhuthala amatentha mofulumira ndipo amagwiritsa ntchito zinthu zochepa, zomwe zimachepetsa kugwiritsa ntchito mphamvu komanso mtengo pa chidutswa chilichonse. Komabe, alibe mphamvu yofanana ndi kapangidwe kake monga heavy gauge, kotero kugwiritsa ntchito kuyenera kufanana ndi luso la pepalalo.
Kupeza kutentha koyenera ndi gawo loyamba. Pa mapepala ambiri PVC , kutentha kumakhala pakati pa 140°C ndi 160°C. Mapepala opyapyala angafunike kutentha pang'ono, pomwe ma gauge okhuthala amatenga nthawi yayitali kuti atenthe. Kutentha kwambiri kungayambitse kuphulika kapena kusintha mtundu, pomwe kochepa kwambiri kumasiya pepala lolimba kwambiri kuti lisawoneke bwino.
Tiyeneranso kusamala ndi zolakwika zomwe zimachitika nthawi zambiri popanga. Kupindika nthawi zambiri kumabwera chifukwa cha kutentha kapena kuzizira kosagwirizana. Kukhuthala kosagwirizana kungachitike ngati pepalalo litatambasuka kwambiri m'malo ena. Kutuluka kosayenera kuchokera ku nkhungu ndi vuto lina, lomwe nthawi zambiri limayamba chifukwa cha ngodya zosakwanira kapena malo omata. Kugwiritsa ntchito nkhungu zoyera komanso zosamalidwa bwino kumachepetsa mwayi wa mavutowa.
Kudula ndi kumaliza kumathandiza kwambiri pa ubwino. Mphepete mwaukhondo zimakhala zosavuta kuzipeza pamene kudula kumachitika pamene pepalalo likadali lotentha pang'ono. Pazigawo zokhuthala, rauta ya CNC imatha kuonetsetsa kuti kudula kokhazikika kukuchitika. Zinthu zopyapyala zitha kukhala bwino ndi kudula kwa die kapena kudula kwa makina omangidwa mkati. Kuchotsa m'mbali zakuthwa kapena ma burrs kumapangitsa kuti chinthucho chikhale chotetezeka komanso chokongola.
Zipangizo ndi kapangidwe ka nkhungu n'zofunikanso. Makona ozungulira amathandiza kuti ziwalo zituluke popanda kuwonongeka. Mabowo opumira mpweya amalola mpweya kutuluka panthawi yopangidwa, zomwe zimapangitsa kuti zinthu zikhale bwino komanso zimachepetsa matumba a mpweya omwe ali m'mabokosi. Kusankha zinthu zoyenera za nkhungu—monga aluminiyamu kuti zikhale ndi voliyumu yambiri kapena zinthu zophatikizika—kumakhudza liwiro lozizira komanso kulimba. Zinthu zimenezi zimatha kusiyanitsa pakati pa kupanga bwino ndi zinthu zotayika.
Ku HSQY PLASTIC GROUP, timapereka Mapepala a PVC ogwira ntchito kwambiri opangidwa kuti azigwiritsidwa ntchito popanga kutentha . Ndi omveka bwino, okhazikika, komanso opangidwa kuti azigwira ntchito yotentha komanso yokongola mosavuta. Kaya mukupanga mabokosi opindika kapena mathireyi azachipatala, pepalali limapangidwa bwino ndipo limakhala lolimba ngakhale litapanikizika.

Imapezeka m'makulidwe osiyanasiyana, timathandizanso kusintha kwathunthu kutengera zomwe mukufuna. Pamwamba pake pamakhalabe chonyezimira komanso chosalala, pomwe zosankha monga mtundu wabuluu kapena mitundu yapadera zimathandiza kukwaniritsa cholinga chanu cha malonda. Ndi yosalowa madzi, yokhazikika pa UV, komanso yoletsa moto, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito kwa nthawi yayitali kapena yovuta.
Nayi mwachidule mawonekedwe a
| : | malonda |
|---|---|
| Kukula (pepala) | 700 × 1000mm, 915 × 1830mm, 1220 × 2440mm, mwamakonda |
| makulidwe osiyanasiyana | 0.21–6.5mm |
| Pamwamba | Zonyezimira mbali zonse ziwiri |
| Mitundu | Choyera, chabuluu, kapena chopangidwa mwamakonda |
| Kuchulukana | 1.36–1.38 g/cm³ |
| Kulimba kwamakokedwe | >52 MPa |
| Mphamvu ya mphamvu | >5 kJ/m² |
| Kutsika kwa zotsatira | Palibe kusweka |
| Kutentha kofewa | 75°C (mbale yokongoletsera), 80°C (mbale ya mafakitale) |
| Ntchito zodziwika bwino | Kupanga vacuum, kusindikiza kwa offset, mabokosi opindika, mathireyi azachipatala |
Kuti mupange mizere yothamanga kwambiri komanso kuti mupange ma CD okha, Mipukutu yathu ya PVC imapereka mphamvu komanso magwiridwe antchito otsekereza. Izi ndi zabwino kwambiri pa ma blister packs, clamshells, ndi ma tray a chakudya. Mipukutuyi imabwera m'lifupi ndi makulidwe osinthasintha, yokhala ndi zosankha zingapo pamwamba kuti ikwaniritse zosowa zanu zowoneka bwino komanso zogwira ntchito.

Amapangidwa bwino popanda kusweka ndipo amasunga chinyezi ndi mpweya m'malo osayenera kuwonongeka. Kuphatikiza apo, amakhala ndi mphamvu yolimba komanso amakana kugwedezeka, zomwe zimathandiza ponyamula kapena kutseka.
Mafotokozedwe ofunikira a zinthu zokulungira:
| a Parameter | Mafotokozedwe |
|---|---|
| M'lifupi mwake | 10mm–1280mm |
| makulidwe osiyanasiyana | 0.05–6mm |
| Zosankha pamwamba | Wonyezimira, Wosakhwima, Wozizira |
| Mitundu | Wowonekera bwino kapena wosawoneka bwino, wosinthika |
| Zinthu Zofunika | 100% namwali PVC |
| Katundu wofunikira | Kutseka, chitetezo cha zotchinga, kukana kukhudzidwa |
| Mapulogalamu | Mathireyi a chakudya, ma phukusi otayidwa, mapaketi a ma blister |
Timayang'ana kwambiri pa khalidwe ndi magwiridwe antchito kuyambira pachiyambi mpaka kumapeto. Mapepala ndi mipukutu yathu amapangidwa kuchokera ku zinthu zosasinthika, kuonetsetsa kuti mapangidwe ake ndi okhazikika komanso olimba kwambiri. Kukhuthala kwake kumayendetsedwa bwino kuti tipewe zolakwika pakupanga. Timathandizanso maoda apadera omwe ali ndi nthawi yofulumira yogwirira ntchito.
Gulu lathu lingakuthandizeni ndi kuyanjana ndi nkhungu komanso momwe zinthu zimakhalira kuti zikuthandizeni kukonza bwino ntchito yanu. Ndi makasitomala ochokera m'magawo azachipatala, mafakitale, chakudya, ndi malo ogulitsira, timamvetsetsa zosowa zapadera zamisika yosiyanasiyana ndipo timapereka PVC zomwe zimagwira ntchito modalirika nthawi iliyonse.
Nthawi zina, ngakhale titatsatira njira zoyenera, pepala la PVC silimapangidwa momwe liyenera kukhalira. Mwina limagwa mosagwirizana, limapanga thovu la mpweya, kapena silimapeza tsatanetsatane wa nkhungu. Izi nthawi zambiri zimatanthauza kuti kutentha sikugawidwa mofanana, kapena pepalalo silinafike kutentha koyenera. Nkhungu yopotoka kapena yosasunthika bwino ingayambitsenso mavutowa. Nthawi zonse onetsetsani kuti pepalalo lamangidwa bwino ndipo nkhunguyo ndi yoyera komanso yolunjika.
Vuto limodzi lofala kwambiri ndi kupangika kwa thovu. Izi nthawi zambiri zikutanthauza kuti pali chinyezi chomwe chimatsekeredwa mkati mwa pepalalo. PVC nthawi zambiri chimatenga chinyezi chochepa kuchokera kusungirako kapena podutsa. Tikachitenthetsa, chinyezicho chimasanduka nthunzi, zomwe zimapangitsa matuza. Kuchepa kwa chinyezi ndi vuto lina. Ngati madera ena amatambasuka kwambiri kuposa ena, makulidwe a khoma amakhala osafanana. Izi nthawi zambiri zimachitika pamene pepalalo lili lotentha kwambiri, kapena kapangidwe ka nkhungu sikagwirizana bwino ndi mawonekedwe ake. Ndipo ngati gawolo lituluka ndi m'mbali zofewa kapena lopanda tsatanetsatane, ndiye kuti mphamvu yopangira inali yotsika kwambiri kapena zinthuzo zinazizira mofulumira kwambiri.
Pofuna kupewa mavuto amenewa, kuumitsa pepalalo pasadakhale kumathandiza kwambiri. Ngakhale maola 2-4 pa kutentha kochepa kungachotse chinyezi chambiri. Izi zimathandiza kwambiri m'malo ozizira kapena mutasunga nthawi yayitali. Kutentha koyenera kumafunikanso. Gwiritsani ntchito ma heaters otalikirana mofanana ndipo yang'anani malo otentha kapena ozizira ndi chowunikira kutentha ngati pakufunika. Mukufuna kuti pepala lonse lifewe nthawi imodzi. Kutentha kosagwirizana kungayambitse kupsinjika, kusokonekera, kapena kusweka kwa gawolo likazizira.
PVC thermoforming ndi njira yosinthasintha komanso yotsika mtengo yomwe imagwira ntchito m'mafakitale ndi m'mafakitale ambiri. Imapereka kukana mankhwala komanso kapangidwe kosavuta. Ndi kutentha koyenera, kuwongolera nkhungu, komanso kudula, timapewa zolakwika zomwe zimachitika kawirikawiri ndikuwonetsetsa kuti zotsatira zake ndi zoyera. PVC imagwirizana bwino ndi zosowa za chakudya, zamankhwala, zamagalimoto, ndi zogulitsa, momveka bwino, mwamphamvu, komanso chitetezo. Gulu la HSQY PLASTIC limapereka mapepala ndi mipukutu yabwino yopangidwira kupanga bwino komanso kugwira ntchito kwanthawi yayitali.
PVC nthawi zambiri imakhala bwino pakati pa 140°C ndi 160°C. Mapepala okhuthala angafunike kutentha kwakukulu komanso nthawi yayitali yotenthetsera.
Thovu nthawi zambiri limapangidwa kuchokera ku chinyezi chomwe chatsekeredwa. Yesani kuumitsa pepala lanu kuti muchotse chinyezi musanatenthe.
Inde, mitundu yonse iwiri imatha kukhala ndi mawonekedwe otentha. Rigid PVC imapereka kapangidwe kake. Flexible PVC ndi yabwino kwambiri pazigawo zopindika kapena zogwira kugunda kwa mtima.
Gauge yolemera ndi ya mapepala okhuthala komanso zida zolimba. Gauge yopyapyala imagwira ntchito bwino kwambiri popaka zinthu zambiri komanso zopepuka.
HSQY imapereka makulidwe ofanana, malo owonekera bwino, komanso zotchinga zolimba, zoyenera kugwiritsidwa ntchito pa chakudya, zamankhwala, kapena zowonetsera.
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