Yadda Ake Hana Fasa Tef ɗin PTFE ƙarƙashin Maimaita Lankwasawa da Buɗewa

A cikin layukan marufi, injinan rufe zafi, da kayan sarrafa abinci, PTFE babban tef ɗin zafin jiki yana lanƙwasa, buɗewa, da dannawa - sake zagayowar bayan zagayowar. Bayan lokaci, ko da wannan abu mai ɗorewa zai iya haifar da tsagewa ko karaya.

Me yasa hakan ke faruwa? Amsar ta ta'allaka ne a cikin abubuwa uku: ma'auni, manne, da yadda ake shigar da tef.

A Aokai PTFE , mun bincika ɗaruruwan gazawar filin. Wannan labarin yana ba da shawarwari masu amfani don tsawaita rayuwar tef da guje wa karyewar wuri.

Ƙarfafa Tsarin - Substrate da kauri

The substrate aiki a matsayin tsarin, fundamentally kayyade lankwasawa juriya da hawaye ƙarfi.

Fim ɗin PTFE mai tsabta yana da kyakkyawan sassauci amma rashin isasshen ƙarfin inji - mai saurin tsagewa a ƙarƙashin maimaita damuwa. Gilashin fiber ƙarfafa PTFE yana haɓaka ƙarfin ƙarfi sosai, juriya mai tsage, da juriya mai rarrafe, yana mai da shi zaɓin da aka fi so don yanayin lanƙwasa mai ƙarfi.

Kauri kuma yana da mahimmanci. 0.13mm yana aiki azaman layin rarrabawa. Tef ɗin da ba su da ƙarfi fiye da 0.13mm suna da sassauƙa kuma suna da ƙarfi, masu sauƙin haɓaka microcracks a ƙarƙashin maimaita matsawa da mikewa.

Shawarwari : Don yawancin kayan aiki masu ƙarfi, 0.18mm kauri tare da ƙarfafa fiber gilashi shine zaɓi na yau da kullun.

A cikin manyan aikace-aikacen sake zagayowar irin su masu ɗaukar bandeji na ci gaba (aiki a zagayowar 30-60 a cikin minti ɗaya), radius na lanƙwasa na tef ɗin da ke kewaye da kayan dumama shine madaidaicin ƙira. Radius mai lanƙwasawa ƙasa da 5mm yana ƙara damuwa na gida sama da 300% idan aka kwatanta da radius 15mm, yana haɓaka ƙaddamarwar fashewa sosai. Don irin waɗannan aikace-aikacen radius mai ƙarfi, ta amfani da fiber gilashin ƙarfafa tef ɗin PTFE tare da ginin saƙa (maimakon tef ɗin tushen fim) na iya haɓaka rayuwar sassauƙa ta sau 5-10. Bugu da ƙari, kaset tare da ƙarewar bayansa mai santsi suna haifar da ƙarancin juzu'i yayin lanƙwasawa, yana ƙara rage gajiya. Bayanan filin sun nuna cewa sauyawa daga tef ɗin fim na 0.10mm mai tsabta na PTFE zuwa tef ɗin da aka ƙarfafa fiber na gilashin 0.18mm yana tsawaita rayuwar sabis daga makonni 2 zuwa sama da watanni 6 a cikin manyan kayan aikin rufewa.

Zaɓi Manne Dama

Manne yana haɗa tef ɗin zuwa kayan aiki - maɓalli mai mahimmanci wanda ke shafar rayuwar sabis mai ƙarfi. Silicone matsa lamba-manne m shine mafi kyawun zaɓi don yanayin yanayin zafi mai ƙarfi.

Me yasa silicone yayi nasara don aikace-aikacen lanƙwasa:

• Yana jure maimaita lankwasawa da girgiza ba tare da tsagewa ba

• Ya dace da zazzagewar zafi da sanyi

• Yana kiyaye mannewa ko da bayan dubunnan zagayowar sassauƙa

Aokai PTFE ya nuna cewa kaset ɗin mannen silicone yana riƙe sama da kashi 90% na ƙarfin kwas ɗinsu na farko bayan zagayowar lanƙwasa 10,000, yayin da kaset na tushen acrylic ya rasa har zuwa 50% a cikin zagayowar 5,000. Gwajin cikin gida na Don kayan aikin da ke gudana sa'o'i 16 a kowace rana, wannan bambanci yana fassara zuwa watanni na ƙarin rayuwar sabis.

Don kaset ɗin PTFE da aka yi amfani da su akan sandunan rufewa (misali, injunan cika hatimi a tsaye), mannen dole ne ya yi tsayayya da 'sanyi kwarara' - nakasawa a hankali ƙarƙashin matsin lamba. Silicone mara inganci na iya matsewa daga ƙarƙashin gefen tef bayan tsawaita amfani, yana haifar da ragowar manne akan samfurin ko sandar hatimi. Babban mannen siliki-yawan giciye tare da tsarin thermosetting suna kiyaye daidaiton girma ko da a 250°C. Lokacin zabar tef ɗin PTFE don aikace-aikacen lanƙwasawa mai tsayi, nemi bayanai akan 'zazzaɓin rashin ƙarfi na shear adhesion' (SAFT) da 'ƙarfin riƙon' - ƙimar sama da 260 ° C kuma sama da sa'o'i 24 a 200 ° C suna nuna ingantaccen tsarin mannewa.

Ingantacciyar Shigarwa da Kulawa don Tsawon Rayuwa

Kayayyakin ƙima suna isar da kyakkyawan aiki kawai tare da ingantaccen amfani da kulawa.

Jiyya na Sama Kafin Aiwatar
da Tsaftace da bushewar saman kayan aikin tare da ethanol mai anhydrous ko isopropanol. Tabon mai, kura, da danshi suna raunana mannewa kuma suna haifar da bawo da wuri. Yi amfani da takarda mai kyau na 800-1000 grit don goge saman saman ƙarfe mai santsi - wannan yana haɓaka hulɗar inji kuma yana haɓaka tasirin mannewa.

Shigarwa-Kyautar Tashin hankali da Ƙarfafa Edge
A shimfiɗa tef ɗin a zahiri ba tare da miƙewa ba. Damuwa mai ƙarfi yana haifar da raguwa da warping yayin hawan keken zafi. Latsa ko'ina daga tsakiya zuwa ɓangarorin biyu tare da goge don kawar da kumfa mai iska. Ƙarfafa da ƙaƙƙarfan gefuna - ko shafa siliki mai juriya mai zafi mai zafi - don hana dagawa.

Daidaita Yanayin Aiki

• Ci gaba da aiki da zafin jiki ƙasa da 260 ° C - iyakar dogon lokaci na mannen silicone

• Guji zafi na gida (mafi zafi)

• Hana matsa lamba na inji wanda zai iya murƙushe tef ɗin

• Tsabtace muhalli mai tsabta don rage ƙura da ƙura da ƙura

Dubawa na yau da kullun da Sauyawa akan Kan lokaci
Tef ɗin PTFE yanki ne mai amfani a cikin aiki mai ƙarfi. Sauya shi da sauri lokacin da ɗayan waɗannan ya bayyana:

• Gefen warping ko dagawa

• Carbonization, yellowing, ko ƙunci

• Rashin mannewa, ambaliya, ko ƙaura

• Shaƙewar da ake iya gani, microcracks, ko pinholes

Takaitawa - Mabuɗin Hanyoyi don Hana Fasa Tef

A taƙaice , hana fashewa da karyewar tef ɗin zafi mai zafi na PTFE a ƙarƙashin maimaita lankwasawa ya zo ƙasa zuwa zaɓi uku: fiber gilashin ƙarfafa substrate, kauri 0.18mm (ko dacewa da nauyin ku), da mannen silicone. Daidaitaccen shigarwa - tsabta mai tsabta, babu tashin hankali, ƙarfafa gefen - ya ninka rayuwa mai tasiri.

Don aikace-aikacen sake zagayowar mai girma (masu sila, latsawa, masu jigilar kaya tare da madaidaicin radi), yi la'akari da ƙarfin ƙarfin fiber gilashin saƙa kuma bincika kowane wata don ƙananan ƙwayoyin cuta.

Kuna buƙatar taimako don zaɓar tef ɗin PTFE daidai don kayan aikin ku masu ƙarfi? Ƙungiyar fasaha ta Aokai PTFE tana ba da sake dubawa na aikace-aikacen kyauta. Tuntuɓe mu tare da ƙayyadaddun injin ku da ƙimar zagayowar ku.

Jiangsu Aokai New Materials Technology Co., Ltd. ne ya bayar.

Domin cikakken sigogi, aikace-aikace lokuta, da kuma musamman mafita na cikakken-kewayon kayayyakin ciki har da PTFE high zafin jiki masana'anta, PTFE high zafin jiki tef, PTFE raga bel, sumul fusing bel, guda-gefe PTFE zane, high zafin jiki resistant conveyor bel da fiberglass masana'anta , da fatan za a tuntube mu:

• Mr. Guo: +86 18944819998

• Malam Liu: +86 13705266308

Muna ɗaukan ƙwararru da mutunci, da himma don samar da amintaccen mafita na tsayawa ɗaya da sabis na kulawa.