Le elektrikdɔwɔnuwo, transformers, kple atikewo ƒe dɔwɔwɔ ƒe ɖoɖowo me la, insulating gaskets wɔa akpa vevi aɖe – woxea mɔ na elektrikŋusẽ ƒe sisi, wonɔa te ɖe dzoxɔxɔ nu, wotsia tre ɖe atikewo ŋu, eye woléa mɔ̃wo ƒe blibonyenye me ɖe asi le nutete me. Seɖoƒe li na nusiwo wozãna ɖaa dometɔ ɖesiaɖe: mica gbãna, rababa gblẽna le dzoxɔxɔ me, eye PTFE dzadzɛ ƒua du le agba si nɔa anyi didi me.
PTFE avɔ si me dzoxɔxɔ le ŋutɔ (PTFE-coated fiberglass) kpɔa kuxi siawo gbɔ. Eƒoa elektrikŋusẽ si xea mɔ na PTFE kple mɔ̃ ƒe ŋusẽ kple fiberglass ƒe didime ƒe liƒo nu ƒu ɖekae.
Aokai PTFE wɔa PTFE insulating gaskets le titrime kple lolome vovovowo me. Mɔfiame sia ɖe viɖe vevi ewo siwo le gasket-nu siwo wozãna ɖaa ŋu me.
Elektrikŋusẽ ƒe Dzoxɔxɔ Nyuitɔ Kekeake – Kakaɖedzi Le Nɔnɔmewo Me
PTFE avɔ si xea mɔ na gaskets naa elektrikŋusẽ ƒe xɔxlɔ̃ ɖedzesi aɖe le dɔwɔwɔ ƒe nɔnɔme vovovowo me.
1. Dielectric ŋusẽ gã kple tsitretsitsi
Nua ɖea gbeɖiɖi ƒe tsitretsitsi gã kple anyigba ƒe tsitretsitsi ɖekae kple gbagbã ƒe ʋuʋudedi si de ŋgɔ wu, si naa xɔxlɔ̃ si ŋu kakaɖedzi le le gauge siwo le sue ŋutɔ gɔ̃ hã me. Eƒe dielectric constant kple dissipation factor gakpɔtɔ le sue le frequency spectrum gbadza aɖe me, si wɔe be wòsɔ nyuie na frequency gã kple voltage gã dɔwo.
2. Eli ke le fafa kple dzoxɔxɔ te
To vovo na nu geɖe siwo xɔa tsi eye elektrikŋusẽ meganɔa anyi o la, PTFE avɔ ƒe tsilénu ƒe nɔnɔmewo metrɔna kura ne dzoxɔxɔ kple fafa le eme o. Eléa dɔwɔwɔ me ɖe asi le teƒe siwo tsi le eye dzoxɔxɔ le te, si xea mɔ na ʋuʋudedi kple elektrikŋusẽ ƒe gbagbã nyuie.
Subɔsubɔdɔ si yia edzi ƒe dzoxɔxɔ tso -70°C va ɖo 260°C , eye dzoxɔxɔ ƒe tsitretsitsi le ɣeyiɣi kpui aɖe me wu 300°C. Le dzoxɔxɔ ƒe hatsotso sia me la, gasket la mafa, matrɔ, alo agblẽ o – to vovo na plastic alo rababa gasket dzrowo.
Dzoxɔxɔ ƒe tsitretsitsi ƒe tsɔtsɔ sɔ kple wo nɔewo:
Wotsɔ ŋkɔ na PTFE be 'Plastics Fia', te ŋu nɔa te ɖe acid sesẽwo katã kloe (siwo dome aqua regia hã le), alkali sesẽwo, organic solvents, kple amiwo nu. Ne wotsɔe de tsi siwo gblẽa nu me ɣeyiɣi didi alo atike siwo wɔa dɔ ŋutɔ dede eme gɔ̃ hã la, gasket la mavuvu, magbã, alo agblẽ o.
Nɔnɔme sia le vevie ŋutɔ na nusiwo wotsɔ xea mɔ na ya ƒe akpa siwo le atike, elektrikŋusẽ, kple semiconductor dɔwɔnuwo me le afisiwo nusiwo gblẽa nu le ame ŋu le.
Esi ŋusẽ si le anyigba dzi le sue ŋutɔ ta la, PTFE avɔa nya ke, ami ƒe ɖiƒoƒo, tsidzadza, kple atike siwo susɔ la ɖa be wòana anyigba dzi nanɔ dzadzɛ le etsɔtsɔ wɔ dɔe ɣeyiɣi didi me. Le nɔnɔme siwo me fafa kple ɖiƒoƒo le me la, esesẽna be woawɔ mɔ siwo me elektrikŋusẽ tona – si tea ʋuʋudedi nu nyuie eye wòdoa elektrikŋusẽ ƒe dedienɔnɔ ɖe dzi.
Nusiwo meléna ɖe nu ŋu o hã nana beléle na wo nɔa bɔbɔe ŋutɔ; woate ŋu awɔ dzadzɛnyenye to tutu alo wo ɖokui ŋu kɔklɔ ko me.
Tensile Ŋusẽ Kɔkɔ kple Dimensional Liƒo – No Creep
Fiberglass-nu si wotsɔ wɔe la naa nusi wotsɔ wɔe la te ŋu nɔa te sesĩe, eƒe aɖatsiwo te ŋu nɔa te ɖe enu, eye wòte ŋu nɔa te ɖe eƒe didime nu, si te ŋu nɔa te ɖe ŋeŋe, didime, kple dzoxɔxɔ ƒe ʋuʋu nu. Eléa eƒe titrime kple gbadzaa ɖeka me ɖe asi le dzoxɔxɔ kple nutete te, si wɔnɛ be wowɔa kpekpea pɛpɛpɛ ŋutɔ.
Viɖe vevitɔ – vuvɔ ƒe sisi aɖeke meli o (creep) .
To vovo na PTFE gbadzɛ dzadzɛwo, siwo te ŋu sisina le vuvɔ me (creep) le clamping force si nɔa anyi didi te la, PTFE avɔ ƒe gasket siwo ƒe dzoxɔxɔ lolo la léa titrime si li ke kple dometsotso siwo le xɔxlɔ̃ me ɖe te le wo zazã ɣeyiɣi didi me. Fiberglass ƒe ŋusẽdodoa xea mɔ na PTFE la be wòagado vivivi le nyaƒoɖeamenu me o.
Aokai PTFE dodokpɔ ŋuti nyatakakawo: PTFE gasket dzadzɛwo ate ŋu aɖiɖi 15-25% le gaƒoƒo 100 ƒe nutete le 200°C megbe. PTFE avɔ gaskets ɖea <5% ƒe titrime ƒe tɔtrɔ fiana le nɔnɔme mawo ke me – beléle na xɔxlɔ̃ ƒe ʋuʋu si mewɔa tɔtrɔ o.
PTFE avɔ ƒe gaskets te ŋu nɔa te ɖe keklẽŋusẽ si woyɔna be ultraviolet, oxidation, aŋɔ, kple dzoxɔxɔ-fafɛ ƒe nɔnɔmewo nu. Le gota gome ɣeyiɣi didi alo dzoxɔxɔ si nu sẽ kple esi bɔbɔ ƒe tsatsam le wo nɔewo yome megbe gɔ̃ hã la, womasesẽ alo agbã abe rababa ƒe gasketwo ene o.
Subɔsubɔ ƒe agbenɔƒe: Zi geɖe la, PTFE avɔ gaskets nɔa anyi didi 5-10x wu rababa alo plastic nusiwo wotsɔ xea mɔ na dzoxɔxɔ le gota kple dzoxɔxɔ gã ƒe nɔnɔmewo me.
Akɔta adhesive tiatia – li na kabakaba ƒoƒo kple ɖoɖo
Avɔ ƒe anyigba si te ŋu trɔna bɔbɔe – ewɔa ɖeka kple anyigba siwo woƒo alo esiwo mele ɖoɖo nu o
Titrime ƒe didime – tso 0.08 mm va ɖo esi wu 1 mm be woakpɔ elektrikŋusẽ ƒe tsitretsitsi vovovowo kple teƒe ƒe mɔxenuwo gbɔ
Dzoxɔxɔnutsitike kple Aɖi Manɔmee – Dedie na Dɔwɔwɔ Veviwo
PTFE ɖoa dzotsitsi ƒe dzeside gã aɖe gbɔ (zi geɖe la, UL94 V-0 ), etsia eɖokui ne edzo le dzo gbɔ zi ɖeka evɔ medoa alɔ dzobibi o.
PTFE avɔ si ƒe dzoxɔxɔ lolo ƒe hatsotso geɖe wɔ ɖeka kple FDA ƒe nuɖuɖu ƒe kadodo ƒe dzidzenuwo – aɖi mele eme o eye ʋeʋẽ mele eme o, ele dedie na nusiwo wotsɔ xea mɔ na dzoxɔxɔ le atikewɔwɔ kple nuɖuɖu babla mɔ̃wo me.
