Kuna kwance sabon nadi na PTFE high-zazzabi tef - amma yadudduka suna makale tare. Lokacin da kuka kwaɓe su, manne yana canjawa zuwa gefen baya mara tsayawa, yana lalata tef ɗin. Wannan shi ake kira interlayer adhesion ko tarewa.
Yana faruwa a lokacin ajiya na dogon lokaci, musamman a cikin yanayi mai dumi ko lokacin da aka tara rolls. Dalilin shine haɗuwa da kayan abu (ƙwaƙwalwar ƙwaƙwalwa na PTFE, silicone PSA creep) da abubuwan waje (zafi, matsa lamba).
Aokai PTFE ya warware wannan ta hanyar ƙirar tashin hankali mai jujjuyawa - dabarar samarwa wacce ke aiwatar da tashin hankali a hankali daga waje zuwa ciki. Wannan jagorar yana bayanin dalilin da yasa toshewa ke faruwa da yadda ake hana shi.
Me yasa PTFE Tape Layers Manne Tare? Tushen Dalilai
Don hana mannewar interlayer, dole ne ku fahimci manyan dalilai guda biyu: kayan abu da yanayin ajiya na waje.
1. Kaddarorin kayan da ke aiki akan ku
PTFE fim na roba ƙwaƙwalwar ajiya: A lokacin samarwa, PTFE kwayoyin sarƙoƙi suna miƙa. Lokacin da aka ajiye shi a cikin nau'i na birgima a ƙarƙashin matsin lamba na dogon lokaci, an saki damuwa na ciki. Fim ɗin yana ƙoƙarin komawa zuwa ainihin siffarsa, yana sa tef ɗin ya yi rauni ko kuma abin da ake amfani da shi ya rabu.
Silicone PSA creep: Silicone matsa lamba-manne m ne Semi-ruwa. Ƙarƙashin zafi da matsi mai ɗorewa, yana gudana a hankali (creeps), yana shiga cikin gefen baya mara tsayawa kuma yana haifar da yadudduka don haɗawa.
2. Abubuwan ajiya na waje waɗanda ke hanzarta toshewa
Zazzabi: Sama da 40 ° C, kwararar mannewa yana haɓaka sosai. Zafi yana tausasa PSA.
Humidity: Babban zafi na iya haifar da hydrolysis na mannewa, yana mai da ƙasa taki.
Matsi na injina: Tara juzu'i masu nauyi a saman juna yana matse manne Layer a gefen baya, yana tilasta mannewa ta jiki ta dindindin.
Magani – Gradient Winding Tension Design
Tushen rigakafin shine sarrafa tashin hankali yayin masana'anta. Ka'idar ita ce mai sauƙi: m a kan yadudduka na waje, sako-sako a kan yadudduka na ciki.
H3: Me yasa tashin hankali gradient ke aiki
Idan duk nadi ya yi rauni tare da tashin hankali akai-akai, yadudduka na ciki kusa da ainihin gwaninta suna ci gaba da matsawa na tsawon watanni ko shekaru. Wannan matsa lamba yana tura manne zuwa gefen PTFE na baya, yana haifar da toshewa.
Tare da tashin hankali:
Yadudduka na waje suna rauni sosai - suna buƙatar tashin hankali don kasancewa m.
Yadudduka na ciki (kusa da ainihin) suna rauni sosai - suna samun ɗan matsa lamba.
Sakamako: Ba a taɓa fuskantar ainihin matsi don haifar da mannewa ba, koda bayan dogon ajiya.
1. Yadda ake aiwatar da shi - kulawar tashin hankali mai rufewa
Aokai PTFE yana amfani da rufaffiyar tsarin kula da tashin hankali tare da abubuwa uku:
Bangaren
Aiki
Sensors
Sa ido na ainihi na diamita na yi na yanzu
Mai sarrafawa
Yana ƙididdige tashin hankali da ake buƙata dangane da diamita na bidi'a ta hanyar dabarun mallaka
Masu kunna wuta
Canjin mitoci ko injina masu ƙarfi don daidaita tashin hankali mai ƙarfi
Tashin hankali yana raguwa a hankali daga zoben ciki zuwa zoben waje. Wannan kuma yana hana jujjuyawar saiti (inda yadudduka na ciki suka zama matsewa da wahala a kwance).
Cikakken Ma'auni na Kashewa - Bayan Iska
Tashin hankali shine ainihin mafita, amma yana aiki mafi kyau idan aka haɗa shi da sauran matakan samarwa da ajiya.
1. Abubuwan haɓaka-gefen haɓakawa
Auna
Yadda Yake Taimakawa
Babban haɗin gwiwar silicone PSA
Kadan rarrafe ƙarƙashin matsi da zafi
Fim ɗin PTFE da aka fitar
Ƙarƙashin daidaitawar kwayoyin halitta fiye da fim ɗin skived
Saki shafi a gefen mara mannewa
Aiwatar da fluoro-silicone ko firamare don rage mannewa zuwa manne Layer
Keɓewar jiki
Don maki mai kauri mai kauri, ƙara takarda ko fim tsakanin yadudduka
2. Abubuwan buƙatun ajiya - kiyaye yanayin ƙarƙashin iko
Zazzabi: Tsaye tsakanin -15 ° C da 40 ° C (mafi kyau 15-25 ° C). Guji tushen zafi.
Dangantakar zafi: 30% - 70% RH . Bushewa da yawa na iya haifar da a tsaye; kuma rigar na iya haifar da hydrolysis.
Haske: Ka nisantar da hasken rana kai tsaye (UV yana lalata manne akan lokaci).
Chemicals: Ajiye daga kaushi, acid, da alkalis.
3. Ka'idojin kulawa da tarawa
Sanya juzu'i a kwance (a gefensu). An haramta nadawa.
Yi amfani da ma'ajiyar ajiya don babban ajiya don hana matsananciyar matsa lamba akan juyi na ƙasa.
Juyawa jujjuyawar kwata-kwata - canza matsananciyar matsayi don sauƙaƙa matsi na dogon lokaci.
Riƙe marufi na asali cikakke - idan ya lalace, sake rufe nan da nan tare da fim ɗin filastik.
Takaitawa - Yadda Ake Haɓaka Rayuwar Adanawa na Tef ɗin PTFE
Factor
Abin da za a yi
Iska
Tashin hankali (m waje, sako-sako da ciki) tare da rufaffiyar madauki
M
Yi amfani da PSA silicone mai haɗin kai, ƙananan rarrafe
Maganin gefen baya
Aiwatar da shafi na saki don rage mannewa zuwa PSA
Zazzabi
Tsaya 15-40 ° C, kauce wa> 40 ° C
Danshi
30-70% RH
Tari
A kwance akan taragu, babu matsi mai nauyi akan jujjuyawar ƙasa
Aokai PTFE yana kera kaset masu zafi na PTFE tare da tashin hankali mai ƙarfi a matsayin ma'auni. Don ajiya na dogon lokaci (fiye da watanni 6), muna ba da shawarar bugu da žari a rufe juzu'i a cikin jakunkuna masu bushewa da adanawa cikin yanayin sarrafa yanayi.
Idan kun fuskanci toshewa tare da nadi na yanzu, gwada dumama nadi zuwa 30-40 ° C na 'yan sa'o'i kafin a kwance - manne zai iya yin laushi isa ya saki ba tare da canja wurin ba. Amma rigakafi ko da yaushe ya fi magani.
Muna ba da cikakkun samfuran samfuran da suka haɗa da yadudduka masu zafin jiki na PTFE, kaset ɗin zafin jiki na PTFE, bel ɗin raga na PTFE, bel marasa ƙarfi don injunan haɗin gwiwa, yadudduka na PTFE mai gefe guda, bel mai ɗaukar zafi mai zafi da yadudduka na fiberglass. Da fatan za a ji daɗin tuntuɓar mu don cikakkun sigogin samfur, jagorar aikace-aikacen da mafita na musamman.
