I. Iimpembelelo kwi-Flatness ye-PTFE Substrate
1. Ukolula kwePlastiki kunye ne 'Necking' yesiphumo
Izinto ze-PTFE zinemodyuli elastiki esezantsi. Nje ukuba uxinezeleko ludlule kumda walo olulastiki, ukolulwa kweplastiki okungenakujikwa kwenzeka, okukhokelela kubude bexesha elide kunye nokucutha okunqamlezayo. Emva kokukhululwa koxinzelelo, i-substrate ayinakubuyela kwisimo sayo sokuqala, ekhokelela ekudakaleni, imibimbi emide, kunye nobukhulu obungalinganiyo. Kwiimeko ezinzima, iipateni ze-wavy ezinqamlezileyo zisenokwenza.
2. Ukuqokelelana (Ukuqukuqela okubandayo) Ngokuhamba kwexesha
I-PTFE ifumana ukuhamba okucothayo kweplastiki phantsi koxinzelelo oluzinzileyo. Ngethuba lenkqubo yokugqoka, i-substrate iyancipha xa ishushu ngaphakathi kwe-oven yokumisa, kwaye i-creep iqinisa. Ubude obungalinganiyo buba 'ngumkhenkce' emva kokupholisa, okukhokelela kukungalingani komphezulu okanye iinduli ezinde, ezingenako ukupheliswa ngeenkqubo ezilandelayo.
3. Uxinzelelo olunqamlezileyo olungalinganiyo
Ukungahambelani kakuhle kweerola ezikhokelayo okanye isikhokhelo esingachanekanga se-eddge kunokubangela umahluko phakathi kwemiphetho kunye nombindi, okukhokelela 'kwimiphetho egobileyo,' ukugqabhuka okuphakathi, okanye ukujika kwicala elinye. Ukuguquguquka koxinzelelo lwamaxesha nako kunokuvelisa ukuguquguquka okuguquguqukayo 'amanqaku akhululekileyo' kumphezulu wesubstrate, oko kubeke esichengeni ukucaba.
1. Ukuguquguquka koxinzelelo lutshintsha umsantsa wokugquma
Kwi-coating ye-knife-over-roll, i-tension inquma ngokuthe ngqo iqondo loqhagamshelwano phakathi kwe-substrate kunye ne-blade ugqirha. Xa ukunyanzeliswa kwanda ngokukhawuleza, i-substrate icinezelekile, inciphisa ubunzima bokugubungela; xa uxinzelelo luyancipha, i-substrate iyancipha, ikhulise ubunzima bokugubungela. Ukuguquguquka okunjalo kudala ukuguquguquka kwamaxesha athile kubunzima bokuncamathelisa kumaleko ecaleni kwendlela yewebhu, okwaziwa ngokuba 'imigca enqamlezayo' okanye 'amanqaku eqwarhashe.'
2. Ukolulwa kwe-Substrate Kuchaphazela uKusasazwa kweAdhesive
Ukuxinezeleka okugqithisileyo kubhitya ifilimu ye-PTFE kwaye kuvelise imibimbi emincinci, ethi iphinde iphindaphindwe ngokuncamathelisa kumphezulu ongalinganiyo we-substrate. Emva kokukhululwa kwengcinezelo kunye nefilimu iyancipha emva, i-adhesive layer inokuphuhlisa i-micro-cracks ngenxa yoxinzelelo olungalinganiyo. Kwiisubstrates zelaphu ze-fiberglass, ukuxinana okugqithisileyo kwandisa i-interstics yelaphu, kubangele ukungena okunamathelayo okugqithisileyo, ukugcinwa komgangatho ongonelanga, kunye nomphezulu wokugquma orhabaxa.
3. Iimpembelelo eziDityanisiweyo Ngexesha lokufudumeza kunye noKusomisa
I-PTFE ine-coefficient ephezulu yokwandiswa kwe-thermal. Ngaphakathi kwi-oven yokomisa, ukuba iisetingi zoxinzelelo lwezone ezininzi azihambelani, i-substrate ethambileyo yobushushu idlula ukolula okwesibini, igqwetha i-adhesive layer emanzi kunye nayo, okukhokelela kwi-coating encinci kunye nokungalingani emva kokumisa. Ukuxinezeleka okungafanelekanga kwindawo yokupholisa kunokubangela imibimbi eshwabeneyo kwindawo yokuncamathelisa eyomileyo.
III. IziCwangciso eziPhambili zoLawulo
1. Ukukhulula kunye namaCandelo oKugquma
Uxinzelelo oluphantsi kakhulu kunye noluqhubekayo kufuneka lusetyenziswe, lwanele nje ukuthintela i-substrate ekushwabaneni, ukuyivumela ukuba ingene kwindawo yokwambathisa kwimeko yendalo kwaye igweme ukolula kwangaphambili.
2. Amacandelo okomisa kunye nokupholisa
Ukulungiswa okuchanekileyo kusetyenziswa iirola ezidadayo kufuneka kusetyenziswe ukubuyisela ukwandiswa kwe-thermal kunye nokucutheka kwe-substrate, kunye noxinzelelo oluphezulu kwiizowuni zobushushu obuphezulu kufuneka kuphetshwe ngokungqongqo.
3. Ukubuyisela umva iCandelo
I-taper tension kufuneka yamkelwe, inciphisa ngokuthe ngcembe i-nip pressure njengoko i-diameter ye-roll isanda, ukuthintela ukonakalisa umphezulu ogqunyiweyo okanye 'ukudlulisa' ukungalingani ukusuka kumaleko angaphantsi ukuya kumaleko akufutshane.
IV. Isishwankathelo
Ulawulo oluchanekileyo olucandekileyo lwentxinzelelo ngowona mba ungundoqo wokulinganisa iimpawu zendalo ze-PTFE substrates-ezizezi ukukhuhlane okuphantsi kunye nokuba sesichengeni sokurhubuluza-kunye nemfuneko yomaleko wokuncamathelisa ngokufanayo. Inquma ngokuthe ngqo ukusebenza kokugqibela kweTeflon tape kwizicelo ezifana nokumelana nokushisa okuphezulu kunye nokukhululwa kweempawu.
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Ukuba ungathanda ukufunda ngakumbi malunga neenkcukacha ezineenkcukacha, iimeko zesicelo, kunye nezisombululo zokwenza ngokwezifiso kuluhlu olupheleleyo lweemveliso, kubandakanya ilaphu leTeflon lobushushu obuphezulu, iteyiphu yobushushu obuphezulu beTeflon, amabhanti eTeflon anobushushu obuphezulu, amabhanti okuhambisa angenamthungo oomatshini bobhondi, icala elinye le-PTFE elinobushushu obuphezulu, elinobuxhakaxhaka obungaguqukiyo ilaphu lefiberglass, nceda uzive ukhululekile ukunxibelelana nathi ngokulandelayo:
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