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Polytetrafluethylent (PTFE) (sidoo kale loo yaqaan 'ptfe' (oo sidoo kale loo yaqaan 'ptfe tran giraanta' ptfe tran giraanta '' ptfe trans 'waa shey muuqaal sare leh oo leh faa'iidooyin badan oo qaas ah, caabbinta kiimikada oo aad u fiican, iska caabbinta heerkulka sare, iyo isku-darka kala-baxa ee iwm.

Faa'iidooyinka shaabadaha PTFE

1. Iska caabbinta kiimikada ee wanaagsan:

Shaashadku Ptfe waxay leeyihiin iska caabbinta kiimikada ee kiimikada oo aad u fiican waxayna ka hortagi kartaa nabaad-guurka walxaha kiimikada ee kala duwan sida aashitada, arimaha, iyo cusbada. Astaamahani wuxuu ka dhigayaa ptfe transs si ballaaran loo isticmaalo warshadaha kiimikada, warshadaha dawooyinka iyo warshadaha cuntada.

2. Cadaadiska heerkulka sare aad u sarreeya:

Setfess ptfe waxay leeyihiin iska caabin heer sare ah oo aad u sarreeya waxayna ka shaqeyn karaan bey'ad heerkul sare oo aad u xun muddo dheer. Barta dhalaalaysa ee PTFE waa 327 ° C oo istcimaalaysa heerkulka istcifaaqadu waa -200 ° C illaa 260 ° C, oo heerkulka isticmaalka muddada-gaaban wuxuu gaari karaa 300 ° C, marka waxay ku shaqeyn kartaa jawiga heerkulka sare. Calaamadahaani waxay ka dhigeysaa ptfe transs si ballaaran loogu isticmaalo duulista, hawada, tamarta nukliyeerka iyo meelaha kale.

3. Isku-darka jaban:

Polytetrafluoroethylene seals (also known as PTFE seals or PTFE oil seals) have extremely low friction coefficients, making them highly efficient and long-life in sealing moving parts. Calaamadahaani waxay ka dhigeysaa barafka PTFE si ballaaran loogu isticmaalo mashiinnada, gawaarida, maraakiibta iyo meelaha kale.

4. Guryaha korantada ee korantada wanaagsan:

Saxeelka PTFE waa waxyaabo koronto oo aad u fiican oo si fiican u shaqeyn kara oo ku dhex shaqeyn kara jawiga korantada sare. Astaamahani wuxuu ka dhigayaa in ptfe trans si ballaaran loogu isticmaalo elektiroonigga, korantada iyo meelaha kale.

5. Iidda caabbinta wanaagsan:

Setfess ptfe waxay leeyihiin iska caabbinta wanaagsan waxayna u adeegi karaan muddo dheer xaaladaha adag sida rar culus, xawaare sare, iyo heerkul sare. Astaamahani wuxuu ka dhigayaa in ptfe trans si ballaaran loo isticmaalo warshadaha culus sida mashiinnada injineeriyada iyo warshadaha patrochemical.

2. Faa'iido darrooyinka PTFEA SEATS--

1. Qiimaha Sare:

Marka la barbar dhigo agabyada kale ee shaabadaysan, qiimaha ptfe shaabadaha ayaa ka sarreeya, kaas oo sidoo kale ka mid ah qodobbada xaddidaya sumcadda.

2. xoojinta hoose:

Shaashadku PTFE waxay leeyihiin awood yar oo aad u yar waxayna u nugul yihiin xoogaga xijaabka, sidaa darteed waxaa laga yaabaa inaysan ku habooneyn xamuul sare, codsiyada cadaadiska sare.

3. Isku-darka ballaarinta ballaaran:

Polytetrafluoroethylene seals (also known as PTFE seals or PTFE oil seals) have a relatively large expansion coefficient. Marka heerkulku isbedelo, waxay u nugul yihiin isbedelada cabirka, sidaasna waxay saameeyaan saameynta shaabaynta.

Setytetrafluethylene (PTFE) wuxuu beddelayaa shaashadda saliida buka ee qaabeeya, kaas oo si guul leh u xallinaya dhibaatada biyaha iyo daadashada saliida ee lafaha caagga ah ee laxiriira saxarada.

1. Faa'iidooyinka sheyga saliida ee PTFE

Polytetrafluethyllen (PTFE), waa a-copolymyer ee Tetrarluoroethylene-ka Monomer. Waxay leedahay faa'iidooyinka soo socda:

(1) xasilloonida kiimikada ah: Ku dhawaad ​​dhammaan iska caabbinta kiimikada, aashitada adag, alkali xoog badan ama obalo xoog leh iyo koollo dabiici ah ayaan saameyn ku lahayn.

(2) xasilloonida kuleylka: heerkulka pyrolysis waa ka sarreeyaa 400 ° C. Sidaa darteed, PTFE waxay si caadi ah ugu shaqeyn kartaa heerkulka heerkulka -200 ° C illaa 300 ° C.

(3) Yaraynta Kala-goysyada

(4) is-lahaanshaha hantida: dusha sare ee walxaha PTFE waxay leedahay guryo iskiis u sarreeya, ku dhawaad ​​dhammaan walxaha isku dhegan ma wada jaangooyaan dusha sare.

2. Saxeexida saliida ee PTFE

PTFE saafi ah ma aha mid u adkaysta. Si loo sameeyo wax ku ool ah, waa in la buuxiyaa oo wax laga beddelaa. Waxaan u isticmaalnaa laba habab: mid ayaa ah wax ka badalista buuxinta moodada, ku darista galaaska galaaska, fiber kaarboon, shahaadada, molybdenum wuu burburayaa, iwm. Midda kale waa wax ka badal dabiici ah oo dabiici ah, oo ku daraya polyphenylene resin, polyphenen seultide, iwm. Iyada oo loo marayo wax ka badal ah, caabbinta xidhashada ee polytetrafluethylen waxaa kor loogu qaadayaa 2000 jeer, iyo adkaanta iyo dib-u-dhigga kuleylka ayaa la kordhiyaa, oo u oggolaanaya shaashadda saliida si loo buuxiyo shuruudaha nolosha sare.

3. Mabda 'PtFE

Dibnaha shaashadda saliida ee PTFE waxaa lagu sawiraa qaabka buunka inta lagu gudajiro howsha. Maaddaama PTFE ay leedahay kartida jiifka xusuusta ka dib markii la sawiro, kuleylka jabsiga ayaa la soo saaray inta lagu jiro shaqada waxay sababi doontaa bushimaha si isdaba joog ah, sidaa darteed caawinta guga looma baahna. , Waxay si adag u xidhi doontaa qadka si adag, waxay ka horjoogsaneysaa inay yeeshaan wax farqi ah oo leh dusha sare, oo ay magdhawdo xirashada.

Falanqaynta aqalka arjiga ee barnaamijyada polytetrafluorobluelen (oo sidoo kale loo yaqaan suumanka ptfe ama shaashad saliida ptfe) -

1. Arbacada kiimikada ee ptfe trans giraanta:

Shaashad PTFE waxay leeyihiin iska caabbinta kiimikada ee kiimikada oo aad u wanaagsan waxayna u shaqeyn kartaa si macquul ah warbaahinta aadka u sareysa sida aashitada, aashita, iyo cusbada. Sidaa darteed, waxaa si weyn loogu isticmaalaa warshadaha kiimikaad ee lagu xirayo dhuumaha kala duwan, bambooyin, tuunbooyin iyo qalab kale.

2. Giraanta PTFE ee ku qoran warshadaha dawooyinka:

Dambiyada PTFE waxaa si isa soo taraysa loogu isticmaalaa warshadaha dawooyinka maxaa yeelay waxay ka hortagi karaan nabaad-guurka kiimikada kala duwan iyo jawiga sare iyo jawiga cadaadiska sare, halka ay sidoo kale la kulmaan heerarka caafimaadka oo aan wasakheeyaan dawooyinka. Qalabka dawooyinka, qalabka caafimaadka, iwm., Shaabadaha ptfe si ballaaran ayaa loo isticmaalay.

3. Giraanta PTFE Word Wershadaha PTFE

Setfe shaabadaha PTFE sidoo kale si ballaaran ayaa loogu isticmaalaa warshadaha cuntada sababta oo ah caabbinta kiimikada ee ugu fiican iyo guryaha nadaafadda. Nidaamka cuntada, kaydinta, gaadiidka, iwm.

4. PTFE TIGNS TIGNGS TIGNS ee ku taal garoonka Aerospace:

Setfe shaabadaha PTFE sidoo kale si ballaaran ayaa loo adeegsadaa garoonka Aerospace-ka sababta oo ah udub dhexaadka ugu sarreeya heerkulka heerkulka sare iyo guryaha kiimikada kiimikada. In matoorada hawada, hawada, diyaaradda, iwm.

5. PTFE TIGNS TIGNGING TIGS ee duurka qalabka farsamada:

Setfe transs-ka ayaa sidoo kale si weyn loogu isticmaalaa garoonka qalabka farsamada sababta oo ah waxay leedahay isku-darka is-tareynta iyo caabbinta wanaagsan, oo hagaajin kara hufnaanta iyo nolosha qalabka farsamada. Qalabka mashiinka, qalabka biyo-galka, bambooyinka, iwm.