Menene ptfe liyi tiyo |BESTEFON

A cikin 'yan shekarun nan, polytetrafluoroethylene (Teflon) wani nau'i ne na maganin ƙura da ƙura don wutar lantarki da masana'antar petrochemical.Duk da haka, ya kamata a ba da kulawa ta musamman ga matsalolin masu zuwa lokacin daFarashin PTFEtiyolayi yana walda, in ba haka ba za a shafi rayuwar sabis da amincin bututun PTFE.

1. Lokacin tsaftace kayan haɗin ginin, an haramta shi sosai don lalata ƙarfe mai tushe.An haramta buga baka akan karfen tushe yayin walda.

2. A cikin ɓangaren fillet na fillet ɗin fillet, tsayin fillet ɗin ya zama mafi girma fiye da 5mm, kusurwar tsinkaya zai zama mafi girma ko daidai da 3mm, kuma kusurwar ciki ya zama mafi girma ko daidai da 10mm.

3. Lokacin walda harsashi na bututu mai layi na PTFE, yana da kyau a ɗauki hanyar walda ta hanyar walda mai gefe biyu.Wannan yana buƙatar matakin fasaha na ma'aikatan mu, weld ɗin ya kamata ya zama lebur (m ko miƙewa mai santsi), babu pores, walƙiya kabu da haɓakar haɓakar slag, kuma tsayin weld ɗin bai kamata ya zama mafi girma fiye da 2mm ba.Bayan waldawa, za a cire matsewar da walda ke haifarwa gaba ɗaya.

4. Ci gaba da walda dole ne a soma a cikin waldi na PTFE lined bututu, da weld dinkin ba zai da fasa ko ci gaba undercut.Bincike masu alaƙa:braided PTFE tiyo, PTFE convoluted tiyo

Polytetrafluoroethylene (PTFE) yana ɗaya daga cikin sunayen da aka saba amfani da su na polytetrafluoroethylene.Ana amfani da bututun PTFE a cikin bututun bakin karfe, don haka rayuwar sabis na bututun ya fi tsayi fiye da bututun roba ko bututun da aka nannade cikin bakin karfe.Yana da fa'idodi da yawa akan samfuran roba.

Class I: PTFE liyi madaidaiciya bututu da kayan aikin bututu

Akafi sani da sako-sako da bututu.A cikin wannan tsari, ana amfani da PTFE don kunna mashaya.Ya dace da matsa lamba na al'ada da ingantaccen bututun sufuri na matsa lamba (kamar bututun maganin sharar gida guda uku, da sauransu), kuma bai kamata a yi amfani da bututun tare da kaya ba (kamar shigar da famfo da bututun da zai iya haifar da matsa lamba mara kyau). ta digo ko sanyi kwatsam).

Bayani dalla-dalla: dn25-500mm

Zafin sabis: - 40-180oc

Matsin aiki: 1.6Mpa

Class II: PTFE m madaidaiciyar bututu da kayan aikin bututu

An san shi da matse bututun da aka nannade da wayar karfe.

Tsarin masana'antu: da farko, yawancin yadudduka na fim ɗin PTFE suna rauni a kan mold, sa'an nan kuma ƙarfe na ƙarfe (Ø 0.5-1mm) ya raunata a kan fim ɗin PTFE, sa'an nan kuma an ji rauni da yawa yadudduka na bakin ciki na PTFE a waje na karfe. waya, kuma a ƙarshe an nannade shi a cikin tanderun don kafawa.Bangon ciki na bututu mai layi na PTFE da aka yi ta wannan tsari yana da santsi, kuma bangon waje yana karkatacce ne saboda girma da ƙarfi na wayar karfe.

Wurin da ke tsakanin bangon waje na bututu mai layi na PTFE da bangon ciki na bututun ƙarfe yana cike da guduro (ba tare da saura iska ba).Za a iya haɗa guduro mai cikawa tam zuwa bututun ƙarfe.A lokaci guda, ana iya nannade shi sosai akan bangon waje na layin PTFE mai karkace.Bayan da aka yi maganin resin da aka cika, an samar da ɗigon karkace wanda ke rufe da bangon waje na rufin.Wannan tsarin yana kama da haɗin goro da kusoshi.A gefe guda, yana iya iyakancewa yadda ya kamata da rama haɓakar zafi da ƙanƙantar sanyi na rufin PTFE;a gefe guda, ƙaƙƙarfan waya na ƙarfe na iya inganta haɓaka juriya mara kyau na rufin PTFE.

Bayani dalla-dalla: dn25-200 mm

Yanayin aiki: -50-180oc

Matsin aiki: 0.5-1.6mpa

Nau'i na uku: PTFE turawa (matsi) bututu da aka liƙa tare da madaidaiciyar bututu

Wanda aka fi sani da turawa (squeeze) madaidaiciyar bututu, ana amfani da shi sosai a cikin ƙasashe masu ci gaba a cikin 1990s.

Tsarin masana'antu: da farko, ana amfani da foda na PTFE da aka shigo da shi don turawa (extrude) bututu, sannan a tilasta shi cikin bututun ƙarfe mara nauyi (diamita na waje na layin ya fi girma fiye da diamita na ciki na bututun ƙarfe ta 1.5- 2mm) don samar da suturar da ba ta dace ba.Don kawar da matsa lamba, ana saka shi a cikin tanderun da kuma mai tsanani zuwa 180oC don kula da zafin jiki akai-akai, ta yadda za'a iya amfani dashi a cikin zafin jiki da ke ƙasa da 180oC.A lokaci guda, tura (matsi) shaft na bututu

Ƙarfin juzu'i a fili ya fi na bututun rauni.Bututun yana da kyakkyawar juriya ga matsi mai kyau da mara kyau.

Bambanci tsakanin rufin PTFE da rufin roba

An yi amfani da rufin tetrafluoroethylene ta yin amfani da juriya na lalata fluorine, juriya mai zafi mai zafi, ƙarfin acid da juriya na alkali, kyakkyawan mannewa, tsawon rayuwar sabis da juriya mai ƙarfi.Dukan feshin tetrafluoroethylene babban aikin fasaha ne, menene tsarin sa yake gudana?1. Kafin a fesa, ana buƙatar daɗaɗɗen yashi da ƙwanƙwasa, kuma an fesa wani Layer na firamare na musamman.2. Sa'an nan kuma fluoroplastic foda ana cajin ta high-voltage electrostatic kayan aiki, da kuma ko'ina adsorbed a kan surface na workpiece a karkashin mataki na lantarki filin.3. Bayan high zafin jiki yin burodi, da clinker barbashi za su narke a cikin wani m Layer m, wanda aka da tabbaci a haɗe da surface na workpiece.Misali, fim mai kauri mai kauri 1 mm shima yana buƙatar fesa da gasa akai-akai na sau 5-6.Gabaɗaya, matsakaicin kauri za a iya fesa zuwa 2mm.Rufin PTFE fasaha ce da ake amfani da ita sosai a halin yanzu.Yana sa cikakken amfani da fluorine ta lalata juriya, high tsarki, tsafta, non stickiness, non wetting, kai lubrication, sa juriya, high da low zafin jiki juriya, rufi, da dai sauransu a cikin ginin tsari, ta ƙarfin lantarki da halin yanzu ana daidaita su akai-akai zuwa ga kyakkyawan yanayin don cimma tasirin shafi.Roba kuma ana kiransa rufin roba.Shi ne a liƙa farantin roba da aka sarrafa akan saman karfe tare da manne don raba matsakaicin lalata daga matrix na ƙarfe don manufar kariya.Ana amfani da roba na halitta da roba na roba don sutura.Yawancin roba da ake amfani da su a cikin rufin kayan aikin sinadarai shine roba na halitta.Babban bangaren roba na halitta shine cis polymer na isoprene, wanda aka lalata ta hanyar ƙara sulfur.Rubber mai ɓarna yana da takamaiman juriya na zafi da ƙarfin injina.Ana iya raba shi zuwa roba mai laushi, roba mai wuyar gaske da roba mai wuya iri uku.Hard roba yana da kyakkyawan juriya na lalata, juriya na tsufa da ƙarfin haɗin gwiwa da ƙarfe.Roba mai laushi yana da kyakkyawan juriya na sanyi, juriya na zafi da juriya mai tasiri, kuma yana da wani nau'i;Semi hard roba yana tsakanin biyu.Baya ga oxidants mai ƙarfi da wasu kaushi, roba mai ƙarfi na iya tsayayya da lalata yawancin acid inorganic acid, Organic acid, alkalis, salts da alcohols.Sabili da haka, ana amfani da rufin roba mai wuya a matsayin babban kayan da ba na ƙarfe ba.Vulcanized roba za a iya raba pre vulcanized roba, al'ada matsa lamba ruwan zafi vulcanized roba da na halitta vulcanized roba.Ana amfani da roba pre vulcanized a cikin manyan kayan tsinke.