Ho khetha thepa ea ka ntle ea sheath bakeng sa thapo ea fiber optic ho kenyelletsa ho nahana ka lintlha tse 'maloa tse amanang le ts'ebeliso ea thapo, tikoloho le litlhoko tsa ts'ebetso.Mona ke lintlha tse ling tsa bohlokoa tse ka u thusang ho khetha thepa e nepahetseng ea kantle bakeng sa likhoele tsa fiber optic:
Maemo a Tikoloho: Lekola maemo ao thapo e tla kenngoa teng.Nahana ka lintlha tse kang mocheso o fapaneng, ho pepesehela mongobo, lik'hemik'hale, lebone la UV, ho khojoa le likotsi tse ling tse ka bang teng.
Tšireletso ea Mechini: Etsa qeto ea boemo ba ts'ireletso ea mochine e hlokahalang.Haeba thapo e tla kenngoa libakeng tse matsutla-tsutla kapa libakeng tse kotsing ea ho senyeha 'meleng, o tla hloka thepa ea sheath e fanang ka khanyetso e phahameng ea abrasion le tšusumetso.
Ho hanyetsa Mollo le Lelakabe:Lisebelisoa tse ling, haholo-holo tse libakeng tsa indasteri kapa tse kotsing e kholo, li ka hloka likhoele tse nang le mehala e thibelang mollo kapa mehala e ka ntle e sa cheng ho latela melaoana ea polokeho.
Flexibility le Bend Radius:Bakeng sa lits'ebetso moo thapo e ka hlokang ho kobeha kapa ho kobeha, ho bohlokoa ho khetha thepa ea sheath e fanang ka maemo ntle le ho senya ts'ebetso ea thapo ho bohlokoa.
Ho hanyetsa Lik'hemik'hale:Lekola hore na thapo e tla pepesetsoa lik'hemik'hale kapa lintho tse senyang.Khetha thepa ea sheath e ka hanyetsang lintho tsena ho boloka botšepehi ba cable.
Khanyetso ea UV:Haeba thapo e tla pepesetsoa khanya ea letsatsi kapa maemo a kantle, lisebelisoa tse hanyetsanang le UV li tla thibela ho senyeha ha nako e ntse e ea ka lebaka la ho pepesehela mahlaseli a ultraviolet nako e telele.
Litšenyehelo:Leka-lekanya litlhoko tsa ts'ebetso le lithibelo tsa litšenyehelo.Lisebelisoa tse ling tse khethehileng li ka fana ka thepa e phahameng empa li tla ka litšenyehelo tse phahameng.
Tumellano le Maemo:Netefatsa hore thepa e khethiloeng ea sheath e lumellana le litekanyetso le melaoana ea indasteri bakeng sa ts'ebeliso e reriloeng.
Lisebelisuoa tse tloaelehileng tse sebelisoang bakeng sa mekotla ea ka ntle ka har'a likhoele tsa fiber optic li kenyelletsa: Mokhoa oa ho Khetha thepa ea ka ntle ea fiber optic cable?
1 PVC
2 PE
3 LSZH
4 AT
5 Anti-Rodent
6 Anti-Lelakabe
PVC
PVC ke thepa e sebelisoang ka ho fetisisa ea fiber optic cable outer sheath material.E na le litšoantšiso tse ntle, khanyetso e ntle ea lik'hemik'hale le khanyetso ea boemo ba leholimo, theko e tlaase, ho chesa ho tlaase, 'me e ka finyella litlhoko tsa liketsahalo tse akaretsang.Leha ho le joalo, thapo ea PVC e nang le sheathed optical e tla hlahisa mosi o motenya ha o chesoa, e seng botsoalle ba tikoloho.
PE
Lisebelisoa tsa sheath tsa polyethylene ha li na monko, ha li chefo, li ikutloa joaloka boka.E na le mocheso o motle haholo oa ho hanyetsa mocheso (mocheso o tlaase ka ho fetisisa o ka fihla -100 ~ -70 ° C), botsitso bo botle ba lik'hemik'hale, 'me o khona ho mamella boholo ba li-acids le alkalis (e sa hanyetse ho oxidation) Mofuta oa acid).Ha e qhibilihe ka kakaretso ka li-solvents ka mocheso oa kamore, e na le metsi a tlaase a monyang le ho kenya letsoho ka mokhoa o babatsehang oa motlakase.
Ka lebaka la letsoalo le tlase, ho kenella hantle ha moea, ho kenya letsoho ho matla le ho hanyetsa UV ha PE fiber cable kantle sheath, hangata e sebelisoa libakeng tse kantle.Ho ipapisitsoe le bongata ba PE fiber cable outer sheath, ho boetse ho na le MDPE (bohareng ba letsoalo) le HDPE (boima bo phahameng).
LSZH
LSZH (mosi o tlaase zero halogen) ke thepa ea sheath e thibelang mollo e tletseng li-inorganic fillers (aluminium hydroxide, magnesium hydroxide).The LSZH sheathed fiber optic cable ha e khone feela ho hlapolla mahloriso a lisebelisoa tse tukang, empa hape e monya mocheso o hlahisoang ke ho tuka, 'me ka nako e ts'oanang e hlahisa mokoallo o sa cheng oa oksijene.
LSZH fiber optic cablee na le ts'ebetso e ntle haholo e thibelang malakabe, mosi o monyane ha o tuka, ha e na mosi o motšo o chefo, ha e na khase e senyang e tsoang, e na le matla a tsitsitseng, e hanyetsanang le oli le bonolo, e hanyetsana hantle le khatello e phahameng, e loketseng tikoloho e nang le litlhoko tse thibelang lelakabe le ho mamella litlhoko tsa motlakase.Bothata ke hore sheath ea LSZH e bonolo ho petsoha.
AT
Sekhahla se ka ntle sa thapo ea optical ea thepa ea AT e ka fumanoa ka ho eketsa li-additives ho PE.Mofuta ona oa sheath o na le ts'ebetso e ntle ea anti-tracking, kahoo thapo ea optical e atisang ho sebelisoa tikolohong ea motlakase o phahameng oa motlakase e hloka sheath ea thepa ea AT.
Anti-Rodent
E 'ngoe e tloaelehilengthapo ya opticalthepa ea sheathing ke thepa e khahlanong le litoeba, e sebelisoang bakeng sa likhoele tsa optical tse behiloeng ka har'a lithanele le merero e ka tlas'a lefatše.Mochine o arotsoe ka tšireletso ea lik'hemik'hale le tšireletso ea 'mele.Har'a tsona, ts'ireletso ea 'mele ke mokhoa o hlomphehang haholoanyane,' me khoele ea aramid le lisebelisoa tsa tšepe tsa tšepe li ka sebelisoa ho thibela ho loma ha litoeba.
Anti-Flame
Ha thapo ea fiber optic e sebelisoa merafong kapa tikolohong e 'ngoe ea pele ea polokeho, litšobotsi tse ntle tse khahlanong le lelakabe tsa thapo ea fiber optic lia hlokahala.Cable ea optical e thibelang malakabe ke ntho e sa chesehang ea polyethylene sheath ho e-na le thepa e tloaelehileng ea optical cable polyethylene sheath, e le hore thapo ea optical e be le thepa e thibelang malakabe.