Yadda PTFE Tef Yanke Ƙarshen Tsarin Fuskar ke Shafar Adhesive Oozing da Edge Daga

Yaushe Ana amfani da tef mai zafi mai zafi na PTFE zuwa madaidaicin zafi, abin nadi jagora, ko haɗin haɗin gwiwa, matsalolin gama gari guda biyu na iya bayyana a gefuna: m oozing (manne seeping fita daga yanke gefen) da kuma dagawa gefen (tef gefen peeling daga substrate).

Waɗannan lahani galibi ana gano su zuwa tushe ɗaya: ingancin tsarin tsagawa (yanke). Tsarin yanke ƙarshen fuska - ko mai santsi ko m, mai tsabta ko lalata - yana ƙayyade yadda mannen ke aiki a gefen.

Aokai PTFE yana sarrafa ingancin slitting don hana waɗannan batutuwa. Wannan jagorar yana bayanin yadda yanayin halittar fuskar ƙarshen ke haifar da hayaniya da ɗagawa, da yadda ya kamata gefen tef ɗin ya kamata ya yi kama.

Tsarin Tef ɗin PTFE Cross-Section

Don fahimtar yadda fuskar ƙarshen yanke ke shafar aiki, da farko tuno tsarin tef ɗin. Tef mai zafin jiki na PTFE yawanci ya ƙunshi:

• Fiberglass masana'anta substrate (ƙarfafawa)

• PTFE shafi (ba mai sanda ba)

• Silicone matsa lamba-m Layer manne (gefen haɗin gwiwa)

Slitting yana nufin yanke wannan abin da aka ɗora a cikin dogon lokaci zuwa kunkuntar juyi. Halin halittar fuskar ƙarshen yanke - santsi ko m, madaidaiciya ko wavy - da daidaituwar ƙima (lalata, tsaye, ƙarancin manne ko kirtani) yana haifar da lahani biyu.

Yadda Yanke Ƙarshen Fuskar ke Haɗuwa Adhesive

Ido mai mannewa yana nufin mannewa marar niyya daga gefen tef, gurɓata kayan aikin da aka ɗaure ko gefen tef ɗin baya. Fuskar da aka yanke yana haifar da tasiri kai tsaye.

1. Jawo da kirtani sakamako daga yanke

Idan slitting ruwa ba ya da kyau ko yankan kwana bai dace ba, ruwan zai ja da kuma shimfiɗa silicone PSA maimakon yanke shi da tsabta. Wannan yana haifar da:

• Filament na manne da baƙon abu da burrs: Tsagegeyen manne yana barin zaren manne masu kyau ko flakes da ke fitowa daga gefen tef. Wadannan ''manne wuski'' cikin sauƙin canja wuri da karyewa yayin sarrafawa ko adanawa, haifar da tasirin gani na fitowar manne.

• Ƙaura mai mannewa zuwa gefuna: Ƙarfin jawa yayin tsagawa yana jan manne akan ƙarshen fuska har ma da ɓangaren giciye na ƙasa. Lokacin da tef ɗin ya raunata a cikin nadi, mannen da aka fitar yana mannewa zuwa PTFE baya na layin da ke kusa. Bayan cirewa, ragowar manne yana bayyana tare da gefuna - gazawar da ba ta dace ba.

2. Extrusion sakamako daga m karshen fuskoki

Fuskokin ƙarshe na yau da kullun (filaye masu ɗagawa, fitowa, jirage masu karkata) suna ɗaukar matsi mara kyau na gefe a wuraren da aka ɗaga sama lokacin da tef ɗin ya yi rauni sosai a cikin jujjuyawar. Silicone PSA na viscoelastic - yana rarrafe a ƙarƙashin matsi mai dorewa, musamman a lokacin ajiya mai zafi ko sufuri. Wannan matsa lamba yana fitar da mannewa don gudana daga babban matsi mai ƙarfi zuwa ɓoyayyun ƙarancin matsi, yana matsewa daga ƙarshen fuska.

3. Hatimin hatimin da aka karye tsakanin manne da manne

Madaidaicin tsaga yana ba da sashin giciye mai jujjuyawa yana haɗa duk yadudduka. Rashin tsagawa na iya haifar da rarrabuwa da rabuwa tsakanin manne da fiberglass, ko ramukan da ke kan sashin giciye, karya tsarin gefen da aka hatimce. Lokacin da zafi, mai laushi mai laushi yana fita waje ta waɗannan ƙananan tashoshi. A yanayin zafi mai zafi (misali, masu ɗaukar zafi sama da 200°C), ƙarar ruwa mai ɗaurewa, da mugunyar fuska suna ƙara haɗarin zubar da ruwa.

Yadda Yanke Ƙarshen Fuskar ke haifar da ɗagawa Edge

Ɗagawa gefen yana nufin rabuwa na kai tsaye na gefuna na tef daga saman da aka ɗaure a ƙarƙashin tashin hankali ko zafi bayan aikace-aikacen.

1. Layer manne gefen bakin ciki - yankin haɗin kai mai rauni

Ƙunƙarar ruwan wukake ko sigogi mara kyau na tsagawa suna haifar da sakamako mai yankewa: ruwan ruwan yana matse kayan a gefe maimakon yanka shi da tsafta. Adhesive yana gudana a kaikaice karkashin matsi, yana kaiwa zuwa sirara sosai ko ma batan abin da ake amfani da shi a wajen matsi. Wannan yanki na gefe yana da ƙarancin haɗin gwiwa fiye da jikin tef, don haka dagawa gefen yana farawa anan ƙarƙashin ƙaramin tashin hankali ko zafin zafi.

2. Substrate burrs da delamination - wedging sakamako

PTFE tef substrate ya ƙunshi gilashin fiber. Tsagewar da ba ta dace ba tana fitar da filaments na fiberglass maimakon yanke su da tsafta, yana barin ƙwaƙƙwaran fiberglass burrs a ƙarshen fuska. A lokacin lamination, waɗannan burrs masu wuya suna haɓaka gefen tef, suna samar da ƙananan rata tsakanin saman manne da kayan aiki - toshe cikakkiyar lamba da haifar da ɗagawa.

Idan slitting yana haifar da delamination tsakanin PTFE shafi da fiberglass a gefuna, mismatched thermal fadada rates haifar da ciki danniya bayan dumama, kai tsaye peeling gefuna daga substrates.

3. Gefukan da aka ƙera ko ƙirƙira - ƙaddamar da damuwa

Ganuwa serrations da notches tarko iska da kuma hana cikakken lamba a saman bayan bonding. Ko da macroscopically lebur gefuna tare da ƙananan rashin daidaituwa na ƙwarewar haɓakar yanayin zafi mara daidaituwa lokacin da mai tsanani, yage haɗin haɗin gwiwa da kuma haifar da ɗagawa.

4. Contamination from extruded adhesive – reduced edge tack

Manne mai tsananin yashe yana iya sake mannewa zuwa ƙarshen tef, yana canza halayen sinadarai na mannen gefe. Tabon mai da aka canjawa wuri daga ruwan wukake kuma ƙananan tackiness - duk suna aiki azaman abubuwan haɓakawa.

Daidaitaccen Abubuwan Buƙatun Fuskar Ƙarshen - Yadda ake Hana Oozing da ɗagawa

Don murkushe fitowar mannewa da ɗaga baki da gaske, tsagawar fuskar ƙarshen dole ne ta cika ka'idoji masu zuwa:

1. Ilimin halittar jiki - santsi da kuma ja

• Gilashin zaruruwa sun yanke tsafta ba tare da fallasa ba.

• M Layer, substrate, da PTFE shafi samar da wani hadedde lebur sashe.

• Babu zaren manne, ƙarancin manne, ko lalata.

2. Regular - madaidaiciya da kuma uniform

• Madaidaicin fuskar ƙarewa tare da ƙaramar kaɗawa da karkarwa.

• Yana tabbatar da rarrabuwar damuwa iri ɗaya lokacin da aka raunata cikin nadi.

Fuskar ƙarshen santsi, cikakke, mara lalacewa tana aiki azaman 'hatimin' don gefuna na tef. Yana kulle manne Layer a kan ƙaura mai raɗaɗi kuma yana ba da garantin cikakken ƙarfin haɗin gwiwa tare da kowane milimita na gefen - yana kawar da ƙura da ɗagawa a tushen.

Takaitawa - Ingancin Tsagewa Kai tsaye Yana shafar Ayyukan Tef

Aokai PTFE yana amfani da madaidaicin kayan sliting tare da kaifi mai kaifi da ingantattun kusurwoyi don samar da gefuna na tef waɗanda suke da tsabta, santsi, kuma marasa lahani. Idan kuna fuskantar fitowar baki ko ɗagawa tare da wasu kaset, tsaga ingancin na iya zama sanadin. Tuntube mu don tattauna aikace-aikacenku.

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

Idan kuna son ƙarin koyo game da cikakkun bayanai dalla-dalla, yanayin aikace-aikacen da keɓaɓɓen mafita don kewayon samfuranmu, gami da masana'anta masu zafin jiki na PTFE, kaset ɗin zafin jiki na PTFE, PTFE raga conveyor bel, m bonding inji bel, guda-gefe PTFE tufafi, high-zazzabi resistant conveyor bel da high-gilashi resistant masana'anta bel da fiber-gilashi lamba mu fiber.

• Mr. Guo: +86 18944819998

• Malam Liu: +86 13705266308

A koyaushe muna ɗaukar falsafar ƙwararru da mutunci, kuma mun himmatu wajen samar muku da mafita ta tsayawa ɗaya da sabis na tunani.