Obudde bw’okusiba (sintering time) bw’olugoye olwa PTFE olw’ebbugumu eringi bulina okufugibwa bitya?

I.OkutereezaOsipiidi y'Entambula y'Olugoye:Enkola y'Okufuga Omusingi

Enkolagana wakati w’embiro n’obudde: Sinteringtime(s)=obuwanvu bw’ekitundu ky’ebbugumu ekikola obulungi eky’oveni(m)÷sipiidi y’okutambula kw’olugoye (m/s).Okugeza, singa obuwanvu bw’ekitundu ekikola obulungi buba 15 era sipiidi ya layini eba 5m/mi n,obudde buba ddakiika 3.Ennyiriri z’okufulumya zikozesa ekikyusa frequency oba servomotors okutereeza obulungi sipiidi ya pull-rollers, okusobozesa enkyukakyuka z’obudde obw’amazima mu kiseera eky’okutambula.

Kulembeza okutereeza sipiidi: Ebbugumu lirina amalinertia.Mu kiseera ky'okufulumya emmeeza, ebbugumu lirina okuteekebwawo, era sipiidi ya layini erina okukola nga esinga okuddamu'mu kiseera.'Bwe kyetaagisa okulongoosa obulungi, okutereeza sipiidi kulina okukulembezebwa.

II.OkunnyonnyolaEnsengeka z’Ekiseera ky’OkusinteringEby’Ekikola n’Ekitundu ky’Ebbugumu

Kozesa350°Castheffectivesinteringthreshold: PTFEsaanuuka kumpi nga 327°C,naye amakoleroalevellingyetaaga370–395°C.N’olwekyo,zone waggulu wa 350°Citegeezebwa nti ekola mu interingzone.Ekiseera kyokka engoye ze zimala waggulu w’ebbugumu lino kibalirirwamu ekiseera ekiwera.

Engabanya y’ebbugumu mu bitundu ebingi: Preheatingzone(100–250°C)–eggyawo obuyambi bw’okulongoosa n’okuziyiza okufuukuuka;Sinteringzone(360–395°C)–etuuka ku kusaanuuka;Ekifo eky’okutereeza ebbugumu erya waggulu(380–390°C)–kimalawo mu situleesi ey’omunda;Ekifo ekinyogoza(ekinyogozebwa wansi wa 300°C)–tebabalibwa mu biseera eby’omu bbanga.

Okubala obudde bw’okubeera obulungi:Gabanya obuwanvu bwonna obw’ebitundu ebigwa ku≥350°C ku sipiidi ya layini.Okugeza, singa obuwanvu bwonna obw’ebitundu buba waggulu wa 350°Cis10 era sipiidi eba 4m/min, obudde bw’okusiba obukola buba ddakiika 2.5.

III.Ebintu Ebikwata ku BikozesebwaOsalawoObudde bw’Ekigendererwa n’Ennongoosereza

Ebiwandiiko ebiseera by’okutabula(ku380–390°C): Ebika ebizito(0.08–0.13mm)–30–60seconds;Standardtypes(0.18–0.25mm)–1.5–3eddakiika;Ebika ebizito(0.35mmandawaggulu)–3–5 ddakiika oba okusingawo,nga kiragiddwa okuziyiza'okufumbibwa ebweru, ku mabbali g'empewo.'

Okuzuula n‟okutereeza: Okufuka obutamala (amaanyi amatono, okuyiwa pawuda, enjatika entonotono)→kikendeeza ku sipiidi okutuuka kwongera obudde;Okufukirira ekisukkiridde (okufuuka ekya kyenvu, okumenya, okunyiiza omukka omuzungu)→kyongera ku sipiidi okufunza ebbugumu eringi.

Okuwanyisiganya ebbugumu-obudde obwenkanankana: Okusiiba okw’ebbugumu eringi(395–405°C,sekondi makumi,akabi akasingako) oba ebbugumu eri wansi okuteekebwa wansi(360–375°C,eddakiika 5–8,omutindo ogusinga okubeera omutebenkevu)byombi bisoboka.Omusingi gukuuma ebbugumu nga bwe lisinga okukulembeza era nga litereeza sipiidi entuufu okusinziira ku.

IV.OmutindoClosed-LoopControlandKeyOkwegendereza

Okukebera omutindo: Ebintu ebirina ebisaanyizo birabika nga byeru ng’amata era nga bitangalijja, nga biweweevu, ebitali bya mpeke;ebimyufu biraga nti bisukkiridde okuwuuba, so nga butto w’ebifo oba obuwunga obuyiwa biraga nti bifuuse wansi nteringtime.Singa amaanyi gano gamala naye ng’olugoye lufuuse bbugumu, kukulembeza okulongoosa obulungi ebbugumu ate nga mu ngeri esaanidde okufunza obudde.Kozesa ekipima ebbugumu ery’amaanyi agafuuse amamyufu okulondoola ebbugumu ly’emifaliso ku ngulu okukakasa nti obudde obutuula waggulu wa 350°C butuukana n’ekyetaagisa.

Closed-loopcontrol: Teekawoclosedloopof'okutereeza sipiidi/ebbugumu→okukebera omutindo→okutereeza.'Ebbugumu lirina okutereezebwa, nga sipiidi eweereza nga ekyukakyuka-obudde.

Ebikugirwa ebikulu: PTFEevunda waggulu wa 415°C, n’efulumya ggaasi ez’obutwa;okumala ebbanga eddene waggulu wa 400°Cisstrictly prohibite.Okwongera okubeera mu bbugumu ery’amaanyi kwonoona sayizi ya fiber y’endabirwamu gagent, ekikulembera okukendeeza mu maanyi g’olugoye olwa base.Oluvannyuma lw’okuziika, ekisenge ky’okunyogoza mu kitundu ky’okufuuka ekiristaayo kya 300–250°C kirina okufugibwa okukakasa nti okusiiga kukyukakyuka.

Mu bufunze: Okusinziira ku kutereeza ebbugumu mu zooni eziwera, nga tulina sipiidi y’okutambula kw’olugoye nga parameter y’okutereeza ennongoosereza, okufuga ennyo ebiseera ebikola obulungi eby’okubeera kw’olugoye waggulu wa 350°Cmunda mu ddirisa ekikwatagana n’obugumu bw’ebintu, n’okukebera omutindo kivaamu okutereeza mu loopu enzigale.

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