Ho etsa bonnete ba hore optical cable core e sirelelitsoe ts'enyong ea mochini, mocheso, lik'hemik'hale le mongobo, e tlameha ho hlomelloa ka sheath kapa likarolo tse ling tse kantle. Mehato ena ka katleho e lelefatsa bophelo ba ts'ebeletso ea likhoele tsa optical.
Mehala e sebelisoang hangata ka har'a likhoele tsa optical e kenyelletsa A-sheaths (aluminium-polyethylene bonded sheaths), S-sheaths (steel-polyethylene bonded sheaths), le polyethylene sheaths. Bakeng sa likhoele tsa mahlo tse tebileng tsa metsi, likhetla tse tiisitsoeng tsa tšepe hangata li sebelisoa.
Li-sheaths tsa polyethylene li entsoe ka linear low-density, medium-density, kapapolyethylene e ntšo e nang le boima bo phahameng, ho latela maemo a GB/T15065. Bokaholimo ba sheath ea polyethylene e ntšo e lokela ho ba e boreleli le e ts'oanang, e se na li-bubble tse bonoang, likoti, kapa mapetsong. Ha e sebelisoa e le sheath e ka ntle, botenya ba lebitso bo lokela ho ba 2.0 mm, ka bonyane botenya ba 1.6 mm, 'me botenya bo tloaelehileng karolong efe kapa efe ea sefapano ha boa lokela ho ba ka tlase ho 1.8 mm. Thepa ea mochini le ea 'mele ea sheath e lokela ho fihlela litlhoko tse boletsoeng ho YD/T907-1997, Lethathamo la 4.
A-sheath e na le lera le thibelang mongobo le entsoeng ka nako e telele le phuthetsoe ka boleleletheipi e entsoeng ka polasetiki ea aluminium, e kopantsoe le lesela le letšo la polyethylene le extruded. Sekhahla sa polyethylene se tlamahane le tepi e kopantsoeng le likarolo tse holimo tsa tepi, tse ka matlafatsoang ka ho eketsehileng ka sekhomaretsi ha ho hlokahala. Bophara ba tepi e kopantsoeng ha boa lokela ho ba ka tlase ho 6 mm, kapa bakeng sa li-cable cores tse nang le bophara bo ka tlase ho 9.5 mm, ha ea lokela ho ba ka tlase ho 20% ea circumference ea mantlha. Botenya ba "polyethylene sheath" ke 1.8 mm, botenya ba bonyane ba 1.5 mm, 'me botenya bo ka tlase ho 1.6 mm. Bakeng sa lihlopha tsa ka ntle tsa Mofuta oa 53, botenya ba lebitso ke 1.0 mm, botenya bo tlase ke 0.8 mm, 'me botenya bo tloaelehileng ke 0.9 mm. Theipi e entsoeng ka aluminium-polasetiki e lokela ho kopana le maemo a YD/T723.2, ka tepi ea aluminium e nang le botenya ba 0.20 mm kapa 0.15 mm (bonyane 0.14 mm) le botenya ba filimi e kopantsoeng ea 0.05 mm.
Likarolo tse 'maloa tsa litheipi tse kopantsoeng li lumelloa nakong ea tlhahiso ea lithapo, ha feela sebaka se kopaneng se se ka tlase ho 350 m. Manonyeletso ana a tlameha ho netefatsa ts'ebetso ea motlakase le ho khutlisetsa lera la polasetiki le kopaneng. Matla a lenonyello ha aa lokela ho ba ka tlase ho 80% ea matla a theipi ea pele.
S-sheath e sebelisa lesela le thibelang mongobo le entsoeng ka masenke a phuthetsoeng ka nako e telele le a koaheletsoeng.theipi ea tšepe e entsoeng ka polasetiki, e kopantsoe le lesela le letšo la polyethylene le extruded. Sekhahla sa polyethylene se tlamahane le tepi e kopantsoeng le likarolo tse holimo tsa tepi, tse ka matlafatsoang ka sekhomaretsi ha ho hlokahala. Theipi e entsoeng ka masenke e lokela ho theha sebopeho se kang lesale ka mor'a ho phuthela. Bophara ba ho kopana ha boa lokela ho ba ka tlase ho 6 mm, kapa bakeng sa li-cable cores tse nang le bophara bo ka tlase ho 9.5 mm, ha ea lokela ho ba ka tlase ho 20% ea selikalikoe sa mantlha. Botenya ba "polyethylene sheath" ke 1.8 mm, botenya ba bonyane ba 1.5 mm, 'me botenya bo ka tlase ho 1.6 mm. Theipi e entsoeng ka tšepe ea polasetiki e lokela ho kopana le YD / T723.3 e tloaelehileng, e nang le tepi ea tšepe e nang le botenya ba 0.15 mm (bonyane 0.13 mm) le botenya ba filimi e kopantsoeng ea 0.05 mm.
Manonyeletso a theipi a kopantsoeng a lumelloa nakong ea tlhahiso ea lithapo, ka sebaka sa bonyane sa 350 m. Theipi ea tšepe e lokela ho kopanngoa, ho netefatsa hore motlakase o tsoela pele le ho tsosolosa lera le kopantsoeng. Matla a lenonyello ha aa lokela ho ba ka tlase ho 80% ea matla a tepi ea pele e kopantsoeng.
Theipi ea aluminium, tepi ea tšepe, le likarolo tsa lihlomo tsa tšepe tse sebelisoang bakeng sa litšitiso tsa mongobo li tlameha ho boloka motlakase o sa tsamaee ka bolelele ba thapo. Bakeng sa li-sheath tse kopantsoeng (ho kenyeletsoa le lihlopha tsa ka ntle tsa Mofuta oa 53), matla a ho phunya pakeng tsa aluminium kapa tepi ea tšepe le sheath ea polyethylene, hammoho le matla a ho phunya pakeng tsa likarolo tse pota-potileng tsa aluminium kapa tepi ea tšepe, ha ea lokela ho ba ka tlase ho 1.4 N / mm. Leha ho le joalo, ha thepa e thibelang metsi kapa ho roala ho sebelisoa tlas'a aluminium kapa tepi ea tšepe, matla a peeling metseng e holimo ha a hlokehe.
Sebopeho sena se felletseng sa ts'ireletso se netefatsa ho tšoarella le ho ts'epahala ha likhoele tsa optical libakeng tse fapaneng, ho fihlela litlhoko tsa mekhoa ea sejoale-joale ea puisano ka katleho.
Nako ea poso: Jan-20-2025