Kuwunika magwiridwe antchito a zida za Jacket za cable
Monga chida chofunikira cha mphamvu ndi chizindikiro chotumizira, chingwechi chimagwiritsidwa ntchito kwambiri m'madera osiyanasiyana ovuta kwambiri. M'magwiritsidwe osiyanasiyana, zida za sheath zimagwira ntchito yofunika kwambiri poteteza zingwe zamkati kuzinthu zachilengedwe monga chinyezi, kutentha, komanso kupsinjika kwamakina.
Papepalali, zida zisanu ndi zitatu zomwe zimagwiritsidwa ntchito kwambiri - crosslinked polyethylene (XLPE), polytetrafluoroethylene (PTFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy resin (PFA), polyurethane (PUR), polyethylene (PE), thermoplastic elastomer (TPE) ndi polyvinyl chloride (PVC) amatengedwa ngati zitsanzo. Aliyense ali ndi machitidwe osiyanasiyana, cholinga chake ndikuwunika mozama momwe zinthuzi zimagwirira ntchito pogwiritsa ntchito kuyesa kothandiza komanso kusanthula deta, ndikupereka malangizo othandiza pakupanga ndi kugwiritsa ntchito jekete la chingwe.
Zida Za Jacket:
Kafukufuku wazinthu zogwirira ntchito komanso kuyesa kothandiza
1. Kuyesa kukana kutentha
Tidayesa kukana kutentha pazida zisanu ndi zitatu, kuphatikiza kukalamba kwamafuta komanso kuyesa kwamphamvu kwapang'onopang'ono.
Kusanthula deta:
Zakuthupi | Kutentha kosiyanasiyana kwa ukalamba wamafuta (℃) | Kutentha kocheperako kutentha (℃) |
Zithunzi za XLPE | -40-90 | -60 |
PTFE | -200-260 | -200 |
FEP | - 80-200 | -100 |
PFA | -200-250 | -150 |
NGAKHALE | -40-80 | -40 |
ON | -60-80 | -60 |
TPE | - 60-100 | -40 |
Zithunzi za PVC | -10-80 | -10 |
Monga momwe tikuonera pazidziwitso, PTFE ndi PFA zili ndi kutentha kwakukulu kwambiri ndipo ndizoyenera kwambiri kumadera otentha komanso otsika.
2. Kuyesa kukana madzi
Tidayesa zinthuzo ngati sizingafanane ndi madzi, kuphatikiza kuyesa konyowa komanso kuyesa kutulutsa mpweya wamadzi.
Kusanthula deta:
Zakuthupi | Kuchuluka kwa madzi (%) | Kutumiza kwa nthunzi wamadzi (g/m² · 24h) |
Zithunzi za XLPE | 0.2 | 0.1 |
PTFE | 0.1 | 0.05 |
FEP | 0.1 | 0.08 |
PFA | 0.1 | 0.06 |
NGAKHALE | 0.3 | 0.15 |
ON | 0.4 | 0.2 |
TPE | 0.5 | 0.25 |
Zithunzi za PVC | 0.8 | 0.3 |
Kuchokera pazomwezi, zitha kuwoneka kuti PTFE, FEP, ndi PFA ali ndi mayamwidwe otsika amadzi komanso magwiridwe antchito abwino kwambiri otchinga madzi, zomwe zikuwonetsa kukana madzi.
3. Kuyesa kukana nkhungu
Tinapanga kuyesa kwa chikhalidwe cha nkhungu kwa nthawi yayitali kuti tiwone ndikulemba kukula kwa nkhungu pamwamba pa chinthu chilichonse.
Kusanthula deta:
Zakuthupi | Kukula kwa nkhungu |
Zithunzi za XLPE | Kukula pang'ono |
PTFE | Palibe kukula |
FEP | Palibe kukula |
PFA | Palibe kukula |
NGAKHALE | Kukula pang'ono |
ON | Kukula pang'ono |
TPE | Kukula pang'ono |
Zithunzi za PVC | Kukula kwakukulu |
Kuchokera pazomwezi, zitha kuwoneka kuti PTFE, FEP, ndi PFA ali ndi ntchito yabwino kwambiri yolimbana ndi nkhungu m'malo achinyezi.
4. Kuyesa kwamagetsi kwamagetsi
Mphamvu zamagetsi zazinthuzo, monga kukana kutchinjiriza ndi mphamvu ya dielectric, zidayesedwa.
Kusanthula deta:
Zakuthupi | Insulation resistance (Ω·m) | Mphamvu ya dielectric (kV/mm) |
Zithunzi za XLPE | 10^14 | 30 |
PTFE | 10^18 | 60 |
FEP | 10^16 | 40 |
PFA | 10^17 | 50 |
NGAKHALE | 10^12 | 25 |
ON | 10^11 | 20 |
TPE | 10^13 | 35 |
Zithunzi za PVC | 10^10 | 15 |
Kuchokera pazidziwitso, zitha kuwoneka kuti PTFE ili ndi mphamvu yotchinga kwambiri komanso mphamvu ya dielectric, kuwonetsa mphamvu zamagetsi zamagetsi. Komabe, ntchito yamagetsi ya PVC ndi yocheperako.
5. Mayeso a katundu wamakina
Zida zamakina monga kulimba kwamphamvu komanso kutalika kwa nthawi yopuma zidayesedwa.
Kusanthula deta:
Zakuthupi | Mphamvu yamagetsi (MPa) | Elongation panthawi yopuma (%) |
Zithunzi za XLPE | 15-30 | 300-500 |
PTFE | 10-25 | 100-300 |
FEP | 15-25 | 200-400 |
PFA | 20-35 | 200-450 |
NGAKHALE | 20-40 | 400-600 |
ON | 10-20 | 300-500 |
TPE | 10-30 | 300-600 |
Zithunzi za PVC | 25-45 | 100-200 |
Zingwe nthawi zambiri zimapindika, kupindika, ndi mitundu ina ya kupsinjika kwamakina panthawi yoyika ndikugwira ntchito. Kuwunika kulimba kwamphamvu, kusinthasintha, komanso kukana kwa ma abrasion kwa zida za jekete ndikofunikira pakuzindikira kuthekera kwawo kolimbana ndi zovuta zotere popanda kusokoneza kukhulupirika kwa chingwe. Zitha kuwoneka kuchokera ku data yomwe PUR ndi TPE imachita bwino potengera kulimba kwamphamvu komanso Kutalikirana panthawi yopuma komanso kukhala ndi makina abwino, pomwe PVC ili ndi zida zosakwanira zamakina.
Kutengera kusanthula kwazomwe zili pamwambapa, tikulimbikitsidwa kuti musankhe zinthu zoyenera za jekete la chingwe molingana ndi momwe mungagwiritsire ntchito komanso zofunikira:
Kukana kutentha: PTFE ndi PFA ali ndi kutentha kwakukulu kwambiri ndipo ndi oyenera makamaka kumadera otentha komanso otsika. Zida ziwirizi ndi zabwino kwa ntchito zomwe zimafuna kutentha kwambiri.
Kukana madzi: PTFE, FEP ndi PFA ali ndi mayamwidwe otsika amadzi komanso zinthu zabwino kwambiri zotchingira nthunzi zamadzi, zomwe zikuwonetsa kukana madzi. Zidazi ziyenera kuganiziridwa pazingwe zomwe zimagwiritsidwa ntchito ponyowa kapena pansi pa madzi.
Kukana nkhungu: PTFE, FEP ndi PFA ali ndi kukana bwino kwa nkhungu m'malo achinyezi. Zidazi zimakondedwa pazingwe zomwe zimafuna kugwiritsidwa ntchito kwa nthawi yayitali m'malo omwe amakhala ndi chinyezi kapena mildew.
Mphamvu zamagetsi: PTFE ili ndi mphamvu yotchinga kwambiri komanso mphamvu ya dielectric, yowonetsa kwambiri magetsi. Pazinthu zomwe zimafuna mphamvu zamagetsi, monga zingwe zothamanga kwambiri kapena zingwe zotumizira ma signal, PTFE ndiye chisankho choyenera.
Makaniko katundu: PUR ndi TPE zimagwira ntchito bwino mu mphamvu zolimba komanso kutalika panthawi yopuma, komanso zimakhala ndi makina abwino. Kwa zingwe zomwe zimafunikira kupirira kupsinjika kwakukulu kwamakina kapena kupindika, zida ziwirizi zitha kuganiziridwa.
Pazonse, kuwunika kwa magwiridwe antchito achingweZida za sheath zimaphatikizanso kuwunika kokwanira kwa kukana kwawo kuzinthu zachilengedwe, magwiridwe antchito amagetsi, mphamvu zamakina, ndi zina zambiri. Kupyolera mu kuwunika mozama, opanga ndi ogwiritsa ntchito amatha kupanga zisankho zanzeru posankha zida zachitsulo zomwe zimagwirizana ndi zomwe akufuna, ndikuwongolera zonse. kudalirika ndi moyo utumiki wa dongosolo chingwe.
Kampaniyo imapereka chithandizo cholimba chaukadaulo polimbikitsa kupititsa patsogolo magwiridwe antchito komanso chitukuko chokhazikika cha zida zakunja za chingwe. Nthawi yomweyo, ndikukula kosalekeza kwaukadaulo wazinthu zatsopano komanso kuchuluka kwa ntchito zomwe zikufunika, tikuyembekezera kukupatsani zida zopangira chingwe chakunja, ndikulowetsamo mphamvu zatsopano mukupita patsogolo kwamakampani opanga chingwe.