Ucingo lwe-PTFE (polytetrafluoroethylene)yintambo ekhethekileyo esebenza kakhulu eneentlobo ngeentlobo zezicelo kunye neempawu zokusebenza ezizodwa.
Ⅰ. Isicelo
1. Amasimi e-elektroniki kunye nombane
● Unxibelelwano olusebenzisa i-frequency ephezulu: Kwizixhobo zonxibelelwano olusebenzisa i-frequency ephezulu ezifana nonxibelelwano lwe-5G kunye ne-radar, ucingo lwe-PTFE lungasetyenziswa njengomgca wokudlulisela. Lungagcina ukulahleka kwesignali ephantsi ngexesha lokudluliselwa kwesignali olusebenzisa i-frequency ephezulu kwaye luqinisekise ukuthembeka kwesignali kunye nozinzo. Umzekelo, kunxibelelwano phakathi kwe-antenna yesitishi sesiseko kunye nezixhobo zokudlulisa, ucingo lwe-PTFE lunokudlulisa ngokufanelekileyo imiqondiso yamaza e-electromagnetic asebenzisa i-frequency ephezulu ukuqinisekisa unxibelelwano olukhawulezayo noluthembekileyo.
● Iingcingo zangaphakathi zezixhobo ze-elektroniki: zisetyenziselwa imigca yombane kunye nemigca yesignali ngaphakathi kwezixhobo ze-elektroniki ezifana neekhompyutha kunye neeseva. Ngenxa yokusebenza kwayo kakuhle kokugquma kunye nokumelana nobushushu obuphezulu, inokuthintela umonakalo ngaphakathi kwezixhobo ze-elektroniki ngenxa ye-short circuit okanye ubushushu obuphezulu. Umzekelo, ngaphakathi kwekhadi lemizobo elisebenza kakhulu, ucingo lwe-PTFE lunokumelana nobushushu obuphezulu obuveliswa yikhadi lemizobo xa lisebenza, ngelixa liqinisekisa ukuchaneka kokudluliselwa kwesignali.
2. Intsimi ye-Aerospace
● Ucingo lweenqwelo-moya: ucingo kwiindawo ezibalulekileyo ezifana nenkqubo yeenqwelo-moya kunye nenkqubo yokulawula ukubhabha. Ukumelana nobushushu obuphezulu, ukumelana nokugqwala kunye nokumelana nemisebe yocingo lwe-PTFE kwenza ukuba ikwazi ukuziqhelanisa neemeko ezinzima zokusingqongileyo ngexesha lokubhabha kwenqwelo-moya. Umzekelo, kwindawo yenjini yenqwelo-moya, apho ubushushu obuphakathi buphezulu kwaye kukho izinto ezirhabaxa ezifana nepetroli, ucingo lwe-PTFE lunokuqinisekisa ukuhanjiswa okuqhelekileyo kwemiqondiso yokulawula injini kunye nemiqondiso yesenzi.
● Iingcingo zeenqwelo-moya: ezisetyenziselwa ukufakelwa kweengcingo zeenkqubo ze-elektroniki zeenqwelo-moya ezifana neesathelayithi kunye neenqanawa-moya. Zinokumelana notshintsho olukhulu lobushushu esibhakabhakeni (ukusuka kubushushu obuphantsi kakhulu ukuya kubushushu obuphezulu) kunye neendawo ezinemitha ephezulu. Kwinkqubo yonxibelelwano yesathelayithi kunye nenkqubo yokulawula isimo sengqondo, intambo ye-PTFE iqinisekisa ukuhanjiswa okuzinzileyo kwemiqondiso kwindawo enzima yendawo.
3. Intsimi yeemoto
● Intambo yocingo ene-voltage ephezulu kwizithuthi ezintsha zamandla: Kwizithuthi ezintsha zamandla, ucingo lwe-PTFE lusetyenziselwa ukudibanisa izinto ezifana neepakethi zebhetri, iimoto, kunye neeyunithi zolawulo ezine-voltage ephezulu. Lunobushushu obuhle kunye nokumelana nobushushu obuphezulu, kwaye lunokumelana nombane ophezulu kunye nombane ophezulu oveliswayo xa izithuthi ezintsha zamandla zisebenza. Umzekelo, ngaphakathi kwepakethi yebhetri ene-voltage ephezulu yesithuthi sombane, ucingo lwe-PTFE lunokuthintela iisekethe ezimfutshane ngaphakathi kwepakethi yebhetri, luqinisekisa ukuba ibhetri inika amandla ngokukhuselekileyo nangokuzinzileyo kwisithuthi.
● Intambo yocingo lwesenzi seemoto: isetyenziselwa ukuqhagamshela iisenzi ezahlukeneyo zemoto (ezifana neesenzi zeinjini, iisenzi zomzimba, njl.njl.). Ukumelana neoyile kunye nokumelana nokugqwala kwentambo yePTFE kwenza ukuba ikwazi ukuziqhelanisa neendawo ezinzima ezifana nendawo yenjini yemoto, ukuqinisekisa ukuhanjiswa ngokuchanekileyo kwemiqondiso yesenzi.
4. Intsimi yokuZenzekela kwezeMveliso
● Iintambo zeRobhothi: Iintambo phakathi kwekhabhathi yokulawula kunye nengalo yerobhothi yerobhothi yemizi-mveliso. Intambo ye-PTFE inokuguquguquka okuhle kwaye inokuziqhelanisa nokuhamba rhoqo kunye nokugoba kwengalo yerobhothi yerobhothi. Kwangaxeshanye, ukumelana kwayo nokugqwala kweekhemikhali kunokuthintela ukugqwala kweekhemikhali ezahlukeneyo kwindawo yemizi-mveliso emgceni, ukuqinisekisa ukuhanjiswa okuzinzileyo kwesignali yokulawula irobhothi.
● Iintambo zeZixhobo zokuZenzekela zeMizi-mveliso: Zisetyenziselwa ukuqhagamshela izixhobo ezahlukeneyo (ezifana nabalawuli be-PLC, ii-inverters, njl.njl.) kumgca wemveliso ozenzekelayo. Zingamelana nemeko enzima yobushushu obuphezulu, uthuli kunye nezinye iindawo ezinzima kwindawo yemizi-mveliso, ukuqinisekisa ukuthembeka kokudluliselwa kwesignali kunye nokunikezelwa kombane phakathi kwezixhobo ezizenzekelayo.
Ⅱ. Iimpawu
1. Ukusebenza koMbane
● Ukumelana Nokugquma Okuphezulu: Ukumelana nokugquma kwentambo ye-PTFE kuphezulu kakhulu, kudla ngokufikelela kwi-10¹⁰ - 10¹⁴Ω·m. Oku kuthetha ukuba phantsi kweemeko zokusebenza eziqhelekileyo, kunokuthintela ngokufanelekileyo ukuvuza kombane kwaye kuqinisekise ukusebenza okuqhelekileyo kwesekethe. Umzekelo, kwizixhobo zokulinganisa ze-elektroniki ezichanekileyo, intambo ye-PTFE inokuqinisekisa ukuba isignali yokulinganisa ayiphazanyiswa lihlabathi langaphandle kwaye iphucule ukuchaneka kokulinganisa.
● Ukulahleka kweDielectric Constant kunye neDielectric ephantsi: I-dielectric constant yayo iphantsi (malunga ne-2.1) kwaye ukulahleka kwayo kwe-dielectric nako kuncinci. Oku kwenza intambo ye-PTFE inganciphi xa ithumela imiqondiso ye-high-frequency, kwaye inokugcina ukuthembeka kwesignali. Kwiinkqubo zokudlulisa idatha ngesantya esiphezulu, ezifana nee-jumpers ezidibanisa iintambo ze-optical kunye nezixhobo ze-elektroniki kunxibelelwano lwe-fiber-optic, iingcingo ze-PTFE zinokuqinisekisa ukuba imiqondiso yedatha idluliselwa ngokukhawuleza nangokuchanekileyo.
2. Iimpawu ezibonakalayo
● Ukumelana nobushushu obuphezulu: Ucingo lwe-PTFE lunokugcina ukusebenza kakuhle kubushushu obubanzi (-200℃ - 260℃). Kubushushu obuphezulu, aluyi kuthambisa, lutshintshe okanye lutshise njengeentambo zeplastiki eziqhelekileyo. Umzekelo, kwiintambo zeenzwa zobushushu kwezinye ii-oven zoshishino ezinobushushu obuphezulu, ucingo lwe-PTFE lunokuqinisekisa ukuhanjiswa okuzinzileyo kwemiqondiso yeenzwa kwiindawo ezinobushushu obuphezulu.
● Ukumelana nokugqwala kweekhemikhali: Inokumelana nokugqwala okunamandla kwiikhemikhali ezininzi (ezifana nee-asidi ezinamandla, ii-alkali ezinamandla, izinyibilikisi zendalo, njl.njl.). Oku kuvumela ukuba ucingo lwe-PTFE lusetyenziswe kwiindawo ezineendawo ezigqwala ezifana noshishino lweekhemikhali kunye noshishino lweeyeza. Umzekelo, kwiintambo zeenzwa zobushushu kunye noxinzelelo ngaphakathi kwe-reactor yomzi-mveliso weeyeza, ucingo lwe-PTFE lunokumelana nokugqwala kweekhemikhali ezahlukeneyo.
3. Iipropati zoomatshini
● Ukuguquguquka okuhle: Ucingo lwe-PTFE lunokuguquguquka okuhle kwaye lunokugotywa kwaye lufakwe lula. Kwezinye iimeko apho indawo incinci okanye kufuneka intshukumo rhoqo (njengocingo lwangaphakathi lweerobhothi), olu kuguquguquka luyenza ikwazi ukuziqhelanisa neemfuno zocingo ezintsonkothileyo. Kwangaxeshanye, aluyi kwaphuka okanye luwohloke ekusebenzeni ngexesha lokugoba.
● Amandla okutsalwa aphakathi: Inamandla okutsalwa athile kwaye inokumelana nobunzima obuthile. Ngexesha lenkqubo yokufakelwa kweentambo, nokuba itsalwa ukuya kwinqanaba elithile, ayizukuphuka lula, nto leyo eqinisekisa ukuthembeka komgca.
Ixesha leposi: Meyi-23-2025