Yaya Mafi Girman Fabric na PTFE Yayi Amfani da Shock Thermal?

A yawancin aikace-aikacen masana'antu, PTFE masana'anta ba a fallasa su ga tsayayyen zafi. Yana samun saurin sauye-sauyen zafin jiki - daga injin daskarewa zuwa tanda, daga latsa mai zafi zuwa iskar yanayi, ko daga ma'aunin zafi zuwa yankin sanyi. Wannan shi ake kira thermal shock.

Tambayar ita ce: shin PTFE masana'anta mai zafin jiki na iya tsira akai-akai, saurin saurin zafi ba tare da fatattaka ba, lalata, ko rasa aiki?

Amsar ta dogara da kewayon zafin jiki. A cikin iyakokin aiki na yau da kullun, masana'anta na PTFE suna aiki sosai. Amma tura shi da tsayi sosai, kuma rufin zai gaza.

Aokai PTFE ya gwada juriyar girgiza zafin zafi a cikin kewayon samfuran mu. Wannan jagorar yana bayanin abin da bambance-bambancen zafin jiki ke da aminci, yadda kayan ke aiki, da abin da za a guje wa.

Rage Bambancin Zazzabi Mai Jurewa - Menene Lafiya?

1. Matsayin aiki na yau da kullun (-70°C zuwa 260°C)

Yin hawan keke cikin sauri a cikin wannan kewayon ba zai haifar da lalacewa a fili ga masana'anta ba. Yanayin aikace-aikace na yau da kullun ya haɗa da sauyawa akai-akai tsakanin ajiyar sanyi a -50°C da kayan matsi mai zafi a 260°C. Kayan yana fadadawa da kwangila, amma PTFE shafi ya kasance cikakke kuma fiberglass substrate ba ya fashe.

Misali aikace-aikacen: Kayan aikin bushewa daskarewa inda bel ɗin ke canzawa tsakanin daskare mai zurfi (-40°C) da tanda bushewa (150°C). PTFE masana'anta suna sarrafa wannan kullun.

2. Bambancin zafin jiki (kusan 250°C delta)

Kayan yadudduka na PTFE masu ƙima na iya jure tsananin girgizar zafi - alal misali, ana nutsar da su nan take cikin ruwan sanyi 10°C bayan fallasa zuwa 260°C (digo 250°C). Rufin ba zai tsage ko bawo ba bayan maimaita hawan keke. An tabbatar da wannan ta gwajin Aokai PTFE .

3. Yankin haɗari - sama da 300 ° C

Haɗarin lalacewa yana ƙaruwa sosai idan bambancin zafin jiki ya ƙara ƙaruwa, kamar saurin sanyi daga yanayin zafi sama da 300 ° C. Da zarar masana'anta ta wuce 300 ° C (kusa da PTFE's narkewa batu na 327 ° C), da shafi zama Semi-narkakkar da kuma mechanically rauni. Kwanciyar sanyi sannan yana haifar da raguwa mai yawa da fashewa.

Ƙa'idar Aiki - Substrate vs. Coating

An ƙaddara aikin girgiza thermal ta hanyar ƙarin kaddarorin fiberglass substrate da PTFE shafi.

1. Fiberglass substrate - barga kashin baya

• Wurin laushi sama da 800 ° C

• Ƙarƙashin ƙayyadaddun ƙayyadaddun ƙimar haɓakar thermal (kimanin. 5 × 10⁻⁶/°C)

• Rashin ƙarancin zafin jiki

Waɗannan kaddarorin suna nufin cewa filayen gilashin ba su faɗaɗa ko kwangila da yawa tare da zafin jiki. Suna kula da tsayin daka a ƙarƙashin girgizar zafi kuma suna tsayayya da fashewar damuwa yadda ya kamata. Substrate ba shine mahaɗin rauni ba.

2. PTFE shafi - ma'auni mai iyakancewa

• Coefficient na thermal faɗaɗa shine kusan sau 30 zuwa 40 na fiberglass (100-150 × 10⁻⁶/°C)

• A lokacin saurin dumama da sanyaya, rufin yana faɗaɗa kuma yana yin kwangila da yawa fiye da ma'aunin

• Wannan yana haifar da babban damuwa a haɗin haɗin gwiwa

Me yasa har yanzu yana aiki: Rufin PTFE yana da bakin ciki (yawanci 10-30 μm) kuma mai sassauƙa. Tsarin impregnation yana ɗaure shi tam zuwa fiberglass. A cikin kewayon zafin jiki na al'ada, murfin zai iya shimfiɗawa kuma ya dawo ba tare da fashewa ba. A matsanancin yanayin zafi ko tare da ƙarancin masana'anta, damuwa ya wuce ƙarfin rufin.

Aokai PTFE bayanin kula: masana'anta na ƙimar ƙimarmu tana amfani da fassarori masu yawa, yana barin PTFE shiga zurfi cikin saƙar fiberglass. Wannan yana haifar da injuna 'anga' wanda ke tsayayya da lalata lokacin hawan keke - maɓalli mai mahimmanci daga ƙananan kayan shafa waɗanda ke zaune kawai a saman.

Mabuɗin Abubuwan Da Suka Shafi Juriya Shock Thermal

Ba duk yadudduka na PTFE daidai suke ba. Abubuwa uku sun ƙayyade yadda takamaiman samfurin ke jure hawan keken zafi.

1. Production fasaha - impregnation ingancin al'amura

Yadudduka masu inganci suna jurewa da yawa impregnation da sintering matakai . PTFE yana shiga zurfi cikin gibba na fiber, yana samar da ingantaccen tsari. Wannan haɗin 'kulle-in' yana tsayayya da lalata lokacin girgizar zafi.

Samfuran da ba su da kyau suna amfani da shafi guda ɗaya. PTFE yana zaune ne kawai a saman. Karkashin saurin canjin zafin jiki, rufin yana barewa kamar siti mai sako-sako.

2. Rufe kauri - bakin ciki ya fi kyau

Sirinrin rufin sun dace da mafi kyau ga nakasar substrate. Rufin 5-10 μm zai juye tare da filayen gilashi. Mai kauri mai kauri 30-50 μm yana da ƙarfi kuma yana iya fashewa.

3. Substrate sa - m saƙa, high-ƙarfi filaments

Saƙa mai yawa, yadudduka fiberglass mai ƙarfi mai ƙarfi suna da ƙarancin ɓata da kwanciyar hankali mafi girma. Har ila yau, suna samar da ƙarin sararin samaniya don PTFE anchoring. Ƙarƙashin inganci, yadudduka masu buɗewa sun fi dacewa ga ɓarna da ɓarna a ƙarƙashin hawan zafi.

Dorewa a cikin Aikace-aikace masu Aiki - Abin da za a Yi tsammani

A cikin kayan aikin da ake buƙatar maimaita dumama da sanyaya, kamar:

• Heat sealers (zagayowar kowane ƴan daƙiƙa)

• Wuraren keɓewa masu zafi

• Kayan kariya na walda

• Daskare-narke kayan aikin keke

Premium PTFE high-zazzabi yadudduka iya jure dubun duban zafi hawan keke ba tare da gazawa.

1. Yadda kasawa ke faruwa - gajiya a hankali

Kasawa ba kwatsam ba ne. Yana faruwa mataki-mataki:

1. Micro-cracks suna haɓaka a cikin shafi na PTFE (marasa ganuwa ga ido tsirara)

2. Rufewa ya fara rasa kadarorin da ba na sanda ba a cikin wuraren da ake damuwa

3. Bawon baki yana bayyana a ƙuƙumma ko yanke gefuna

4. Rufi yana lalata, fallasa fiberglass

5. Fiberglass frays da masana'anta hawaye

Dubawa na yau da kullun (kowane ƴan zagayowar dubunnan) na iya gano fashewar wuri da wuri kafin faɗuwar bala'i.

Bayanan Amfani & Matsalolin gama gari - Abin da za a Guji

Ko da mafi kyawun masana'anta na PTFE ana iya lalata su ta hanyar aiki mara kyau.

1.Kada kayi sanyi da sauri daga matsanancin zafi (>300°C)

Idan masana'anta suna mai tsanani sama da 300 ° C (kusa da wurin narkewa na 327 ° C) sa'an nan kuma sanyaya ba zato ba tsammani (misali, quenching a cikin ruwa ko ma kawai fallasa zuwa dakin zafin jiki iska), da PTFE shafi zai ragu sosai kuma yana iya ma fara bazuwa. Wannan yana haifar da tsagewa nan take, bawo, da lalacewa ta dindindin . Dole ne a haramta wannan aiki sosai.

Gefen aminci: Don tsawon rayuwa, kiyaye masana'anta zafin jiki ƙasa da 260 ° C. Taƙaitaccen balaguron balaguro zuwa 280-300 ° C ana iya jurewa ga wasu maki, amma ba a taɓa yin sanyi ba daga waɗannan yanayin zafi.

H3: Nisantar abubuwa masu kaifi da lankwasa da yawa

Girgiza mai zafi haɗe tare da lalacewar injina - kamar ƙugiya, karce, ko folds mai kaifi - yana haɓaka lalacewa sosai. Rufin da aka zazzage ya riga ya raunana; Keke mai zafi sannan yana yada tsagewa daga karce.

Kyakkyawan aiki: Bincika masana'anta akai-akai. Maye gurbin idan kun ga ganuwa, alamun ƙugiya, ko ɗaga gefe kafin a ci gaba da hawan keken zafi.

Takaitawa - Jagororin Shock na thermal don Fabric na PTFE

Aokai PTFE yana kera masana'anta na PTFE na ƙimar ƙima tare da wucewar impregnation da yawa da bakin ciki, masu sassauƙan sutura waɗanda aka inganta don juriyar girgiza ta thermal. Don aikace-aikacen da ke da matsanancin hawan zafin jiki (misali, saurin sanyaya daga 260°C), tuntuɓe mu don takamaiman bayanan gwaji da shawarwarin daraja.

Abubuwan da ke sama sun samar da su Jiangsu Aokai New Materials Technology Co., Ltd.

Idan kana buƙatar ƙarin bayani game da ƙayyadaddun bayanai, yanayin aikace-aikacen da keɓance mafita don cikakken layin samfuranmu, gami da masana'anta masu zafin jiki na PTFE, kaset ɗin zafin jiki na PTFE, bel ɗin raga na PTFE, bel ɗin haɗin gwiwa maras kyau, zane PTFE mai gefe guda, babban zafin jiki mai juriya mai ɗaukar bel da ƙwanƙwasa fiberglatures: masana'anta masu tsayayyar zafin jiki mai ƙarfi.

• Mr. Guo: +86 18944819998

• Malam Liu: +86 13705266308

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