Jekete la chingwe ndilo gawo lakunja la chingwe.Zimakhala ngati chotchinga chofunika kwambiri mu chingwe kuteteza chitetezo cha mkati mkati ndi kuteteza chingwe ku kuwonongeka kwa mawotchi panthawi ndi pambuyo pake.Zovala zachingwe sizikutanthauza kuti zilowe m'malo mwa zida zolimbitsa mkati mwa chingwe, koma zimatha kupereka njira zotetezera, ngakhale zochepa.Kuphatikiza apo, ma jekete a chingwe amateteza ku chinyezi, mankhwala, kuwala kwa UV, ndi ozoni.Kotero, ndi zipangizo ziti zomwe zimagwiritsidwa ntchito popangira chingwe?
1. Chingwe sheath chuma: PVC
Zipangizo zama chingwe ndi tinthu ting'onoting'ono tokonzedwa ndi kusakaniza, kukanda ndi kutulutsa polyvinyl chloride monga utomoni woyambira, kuwonjezera zolimbitsa thupi, mapulasitiki, ma inorganic fillers monga calcium carbonate, othandizira ndi mafuta.
PVC ikhoza kupangidwa kuti igwiritsidwe ntchito m'malo osiyanasiyana komanso ntchito.Ndizotsika mtengo kugwiritsa ntchito, zosinthika, zolimba moyenerera, ndipo zili ndi zida zolimbana ndi moto/mafuta.
Komabe, nkhaniyi ili ndi zinthu zovulaza chilengedwe ndi thupi laumunthu, ndipo pali mavuto ambiri akagwiritsidwa ntchito m'madera apadera.Ndi kupititsa patsogolo kuzindikira kwa anthu za chilengedwe komanso kukonza zofunikira pakuchita zinthu, zofunikira za PVC zakhazikitsidwa.
2. Chingwe sheath chuma: PE
Chifukwa cha mphamvu zake zabwino zotchinjiriza magetsi komanso zinthu zabwino zogwirira ntchito, polyethylene imagwiritsidwa ntchito kwambiri ngati zokutira mawaya ndi zingwe, ndipo imagwiritsidwa ntchito makamaka muzosanjikiza ndi m'chimake wa mawaya ndi zingwe.
Zabwino kwambiri zamagetsi komanso kukana kwambiri kwa insulation.Polyethylene imatha kukhala yolimba komanso yolimba kwambiri, koma PE (LDPE) yocheperako imakhala yosinthika komanso yosagwirizana kwambiri ndi chinyezi.PE yopangidwa bwino imalimbana bwino ndi nyengo.
Liniya maselo kapangidwe polyethylene kumapangitsa kukhala kosavuta kupunduka pa kutentha kwambiri.Choncho, mu ntchito za PE mu makampani a waya ndi zingwe, polyethylene nthawi zambiri imagwirizanitsidwa ndi dongosolo la intaneti, zomwe zimapangitsa kuti zikhale zosagwirizana kwambiri ndi kutentha kwakukulu.Kukaniza ma deformation.
Cross-linked polyethylene (XLPE) ndi polyvinyl chloride (PVC) zonse zimagwiritsidwa ntchito ngati zotchingira mawaya ndi zingwe, koma mawaya ndi zingwe za XLPE ndizogwirizana kwambiri ndi chilengedwe kuposa mawaya ndi zingwe za PVC ndipo zimagwira bwino ntchito.
3.Chingwe chosungira zinthu: PUR
Chingwe cha PUR ndi mtundu umodzi wa chingwe.Zida za chingwe cha PUR zili ndi ubwino wokana mafuta ndi kukana kuvala, pamene PVC imapangidwa ndi zipangizo wamba.M'makampani opanga zingwe zaka zingapo zapitazi, polyurethane yakhala yofunika kwambiri.Pa kutentha kwina, zinthu zamakina zimafanana ndi mphira.Kuphatikiza kwa thermoplasticity ndi elasticity kumabweretsa TPE thermoplastic elastomer.
Amagwiritsidwa ntchito kwambiri m'makina ndi zida zamafakitale, makina owongolera kufala, masensa osiyanasiyana am'mafakitale, zida zoyesera, zida zamagetsi, zida zapakhomo, ma electromechanical, khitchini ndi zida zina, ndipo amagwiritsidwa ntchito popanga magetsi ndi kulumikizana kwazizindikiro m'malo ovuta, umboni wamafuta. ndi zochitika zina.
4. Chingwe sheath chuma: TPE/TPR
Thermoplastic elastomers amapereka zinthu zabwino kwambiri zotsika kutentha popanda mtengo wa thermosets.Ili ndi mankhwala abwino komanso osakanizidwa ndi mafuta ndipo imasinthasintha kwambiri.Kukana kuvala bwino komanso mawonekedwe apamwamba, koma osalimba ngati PUR.
5. Chingwe sheath chuma: TPU
Chingwe cha polyurethane chimatanthawuza chingwe chomwe chimagwiritsa ntchito zinthu za polyurethane monga kutchinjiriza kapena sheath.Kukana kwake kovala kwambiri kumatanthawuza kukana kwapamwamba kwambiri kwa sheath ya chingwe ndi wosanjikiza wa insulation.Zida za polyurethane zomwe zimagwiritsidwa ntchito mu zingwe, zomwe zimadziwika kuti TPU, ndi rabara ya thermoplastic polyurethane elastomer.Makamaka anawagawa poliyesitala mtundu ndi poliyesitala mtundu, ndi kuuma osiyanasiyana (60HA-85HD), kuvala kukana, kukana mafuta, mandala, ndi elasticity wabwino.TPU sikuti imangokhala ndi kukana kwamphamvu kwambiri, kupanikizika kwambiri, kulimba kwamphamvu, kulimba komanso Imakana kukalamba ndipo ndi chinthu chokhwima chomwe chimakonda chilengedwe.
Malo ogwiritsira ntchito zingwe za polyurethane sheathed zingwe zimaphatikizapo zingwe zogwiritsira ntchito m'madzi, maloboti akumafakitale ndi zingwe zowongolera, makina amadoko ndi zingwe za gantry crane drum, ndi zingwe zamakina opangira migodi.
6. Cable sheath chuma: Thermoplastic CPE
Chlorinated polyethylene (CPE) nthawi zambiri amagwiritsidwa ntchito m'malo ovuta kwambiri.Ili ndi mawonekedwe a kulemera kopepuka, kulimba kwambiri, kugundana kocheperako, kukana mafuta bwino, kukana madzi abwino, kukana kwamphamvu kwamankhwala ndi kukana kwa UV, komanso mtengo wotsika.
7. Chingwe m'chimake chuma: ceramic silikoni mphira
Ceramic silikoni labala ali ndi chitetezo champhamvu moto, retardant lawi, utsi wochepa, sanali poizoni ndi zina.The extrusion akamaumba ndondomeko yosavuta.Chotsalira chikawotchedwa ndi chipolopolo cholimba cha ceramic.Chigoba cholimba sichisungunuka pamalo oyaka moto ndipo sichikugwetsa, chimatha kuyesa mayeso a umphumphu wotchulidwa mu GB/T19216.21-2003 pa kutentha kwa 950 ℃-1000 ℃, kuwonekera pamoto kwa mphindi 90, ndikukhazikika. kwa mphindi 15.Ndikoyenera malo aliwonse omwe amafunikira chitetezo cha moto kuti atsimikizire kufalitsa mphamvu zosalala pakakhala moto.Zinachita mbali yolimba yoteteza.
Zopangira mphira za ceramic za silicone zilibe zofunikira zapadera pazida ndipo ukadaulo wopangira ndi wosavuta.Kupanga kungatheke pogwiritsa ntchito zida zachikhalidwe za silikoni zopangira mphira.Poyerekeza ndi zamakono refractory mawaya ndi chingwe kupanga luso, izo ali apamwamba kupanga dzuwa ndipo akhoza kuchepetsa kagwiritsidwe ntchito mphamvu kupanga ndi kusunga ndalama.
Zomwe zili pamwambazi ndizokhudza zipangizo zazitsulo za chingwe.Ndipotu, pali mitundu yambiri ya ma cable sheaths.Posankha zopangira zopangira chingwe, kuyanjana kwa cholumikizira ndi kusinthika kwa chilengedwe kuyenera kuganiziridwa.Mwachitsanzo, malo ozizira kwambiri angafunike ma jekete a chingwe omwe amakhala osinthika pakatentha kwambiri.
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Nthawi yotumiza: Oct-10-2023
