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Chilankhulo
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Kusanthula kwa Zida Zogwiritsidwa Ntchito M'makapu Otayidwa
Makapu otayika amapezeka paliponse m'moyo wamakono, amagwiritsidwa ntchito kwambiri m'malo osiyanasiyana monga maofesi, malo odyera, ndi zochitika zazikulu. Pamene chidziwitso cha chilengedwe chikukula, anthu akuyang'anitsitsa zinthu zomwe zimagwiritsidwa ntchito m'makapu otayika. Ndiye, ndi zinthu ziti zomwe zimagwiritsidwa ntchito m'makapu otayira? Kodi mawonekedwe ndi mawonekedwe ogwiritsira ntchito zidazi ndi zotani? Nkhaniyi ikufotokoza mwatsatanetsatane zinthu zomwe zimagwiritsidwa ntchito m'makapu otaya.
1. Polystyrene (PS)
Polystyrene (PS) ndi chimodzi mwazinthu zomwe zimagwiritsidwa ntchito popanga makapu otaya. Ndizopepuka komanso zotsika mtengo, zowonekera kwambiri, zomwe zimapangitsa kuti zikhale zoyenera kunyamula zakumwa zoziziritsa kukhosi ndi ayisikilimu. Komabe, PS ilibe kukana kutentha ndipo siyenera kumwa zakumwa zotentha. Pa kutentha kwambiri, PS ikhoza kutulutsa mankhwala ovulaza, choncho iyenera kugwiritsidwa ntchito mosamala.
Mmene Mungagwiritsire Ntchito: Makapu a PS ndi otsika mtengo ndipo nthawi zambiri amapezeka m'malo ogulitsa zakumwa zoziziritsa kukhosi ndi malo odyera othamanga, omwe amagwiritsidwa ntchito popereka ayisikilimu, timadziti, ndi zakumwa zina zozizirira.
2. Polyethylene Terephthalate (PET)
PET ndi zinthu zapulasitiki zowonekera kwambiri komanso zamphamvu, zomwe nthawi zambiri zimagwiritsidwa ntchito popanga madzi am'mabotolo ndi mabotolo akumwa a carbonated. PET ndi yopanda poizoni komanso yosagwirizana ndi mankhwala, ndipo makapu otayika omwe amapangidwa kuchokera pamenepo amagwiritsidwa ntchito pa zakumwa zoziziritsa kukhosi. Makapu a PET ali ndi kukana kwabwino kwa kutentha, kuwalola kuti azitha kupirira kutentha kwakanthawi popanda kupunduka.
Mmene Mungagwiritsire Ntchito: Makapu a PET amagwiritsidwa ntchito kwambiri m'makampani azakudya ndi zakumwa, makamaka m'gawo la zakumwa zoziziritsa kukhosi. Kuwonekera kwawo kwakukulu kumapangitsa ogula kuwona bwino zakumwa zomwe zili mkati, zomwe zimawapangitsa kukhala otchuka pazakumwa zowonetsera monga timadziti ndi tiyi.
3. High Impact Polystyrene (HIPS)
HIPS ndi chinthu chosinthidwa cha polystyrene chokhala ndi mphamvu yolimbikitsira komanso kulimba. Poyerekeza ndi PS wamba, makapu a HIPS amakhala oyenererana ndi zochitika zomwe zimafuna mphamvu komanso kulimba. HIPS nthawi zambiri imakhala yowoneka bwino kapena yowoneka bwino ndipo nthawi zambiri imagwiritsidwa ntchito kupanga makapu olimba omwe amatha kutaya.
Mmene Mungagwiritsire Ntchito: Makapu a HIPS amagwiritsidwa ntchito kwambiri m'makampani ogulitsa zakudya zofulumira, monga mabokosi otengerako ndi kulongedza.
4. Polypropylene (PP)
Polypropylene (PP) imathandizanso kwambiri popanga makapu otaya. PP imakhala yabwino kukana kutentha ndipo imatha kupirira kutentha kwambiri, ndikupangitsa kuti igwiritsidwe ntchito kwambiri popanga makapu akumwa otentha. Kuphatikiza apo, PP ili ndi kukana kwamankhwala kwabwino kwambiri ndipo imatha kubwezeredwanso, ndikupangitsa kuti ikhale njira yosamalira zachilengedwe.
Mmene Mungagwiritsire Ntchito: Makapu a PP amagwiritsidwa ntchito kwambiri m'malo ogulitsira khofi ndi nyumba za tiyi, makamaka popereka zakumwa zotentha monga khofi ndi tiyi. PP imagwiritsidwanso ntchito popanga zida zopangira chakudya mu microwave ndipo imagwiritsidwa ntchito kwambiri m'makampani opanga mankhwala chifukwa chosakhala kawopsedwe komanso chitetezo chokwanira.
5. Polylactic Acid (PLA)
Polylactic acid (PLA) ndi pulasitiki wosawonongeka wopangidwa ndi kuwira kwa mbewu (monga chimanga). Mosiyana ndi mapulasitiki amtundu wa petrochemical, PLA imatha kuwola mwachilengedwe, ndikuchepetsa kuwononga chilengedwe. makapu a PLAndi yowonekera kwambiri, yopanda poizoni, komanso yopanda fungo, zomwe zimawapangitsa kukhala ochezeka ndi zachilengedwe.
Mmene Mungagwiritsire Ntchito: Makapu a PLA amagwiritsidwa ntchito makamaka m'magawo odyetsera obiriwira komanso osunga zachilengedwe. Kuwonongeka kwawo kwachilengedwe kumawapangitsa kukhala chinthu chokondedwa kwa mabungwe ambiri azachilengedwe ndi makampani. Makamaka pankhani ya kuipitsidwa kwa pulasitiki, makapu a PLA amaonedwa ngati njira yofunikira pakukula kwamtsogolo kwa makapu otaya.
The Makina onse a Pulasitiki Cup Thermoforming imayendetsedwa ndi hydraulic ndi servo, ndi inverter sheet feeding, hydraulic driven system, servo kutambasula, izi zimapangitsa kuti ikhale ndi ntchito yokhazikika komanso yomaliza yomaliza ndi yapamwamba kwambiri. Makamaka kupanga zotengera pulasitiki zosiyanasiyana zozama ≤180mm (makapu odzola, makapu akumwa, zotengera phukusi, ndi zina) zokhala ndi mapepala a thermoplastic, monga PP, PET, Pe, PS, HIPS, PLA, etc.
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