Jiangsu Aokai New Materials, si nye PTFE avɔ si me dzoxɔxɔ le ŋutɔ wɔla bibi aɖe, na numekuku deto. Matt sanding dɔdamɔnu hea tɔtrɔ veviwo vɛ le PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe anyigba ƒe wɔwɔme ŋu. Etrɔa anyigba si mewɔa dɔ nyuie o, si le gbadzaa ŋutɔ le gɔmedzedzea me wòzua anyigba si woate ŋu abla, si te ŋu tsia bɔbɔe, si wɔa dɔ tso didime etɔ̃ me: ŋutilã ƒe nɔnɔme, nutsyɔnu ƒe blibonyenye kple anyigba ƒe atike ƒe nɔnɔme.
1. Nusuekpɔmɔ̃ ƒe Nɔnɔme: Tso Ahuhɔ̃e ƒe Anyigba si le Blɔe dzi Va ɖo Tɔʋu ƒe Nɔnɔme si Gɔme
PTFE avɔ si me dzoxɔxɔ le ŋutɔ ƒe anyigba si ŋu womewɔ atike ɖo o la le gbadzaa vie le nusuekpɔmɔ̃wo te, eye polytetrafluoroethylene si wotsɔ ƒoe si me wodea tsii ƒe film si yia edzi la wɔe. Sanding-dɔdamɔnu trɔa eƒe nɔnɔme suesuesuewo vevie:
· Dzidziɖedzi gã aɖe le anyigba ƒe ƒuƒuiƒe: Mɔ̃wo ƒe sanding (abrasive belts, steel wire brushes) alo sand blasting (corundum, white fused alumina) lãa anyigba eye wòdzea edzi, eye wòkpaa micro-grooves, dowo kple togbɛwo manyaxlẽ siwo mewɔ ɖeka o. Core roughness indicators Ra (akɔntabubu ƒe mama dedie deviation of the assessed profile) kple Rz (point ewo ƒe kɔkɔme si me masɔmasɔwo le) dzina ɖe edzi ŋutɔ.
· Mɔ̃ɖaŋununya ƒe seke ƒe wɔwɔme ƒe wɔwɔme: Micro-grooves siawo menye ʋuʋudedi bɔbɔe o, ke boŋ 3D xɔtuɖoɖo siwo do ƒome kple wo nɔewo. Esiae nye nu vevitɔ si le seke ƒe ŋusẽkpɔɖeamedzia me: nusiwo léna ɖe nu ŋu gena ɖe do siawo me eye wodaa gbe le wo ŋu wòzua nusiwo doa ka kple wo nɔewo ŋutɔŋutɔ hena kadodo alo nutsyɔtsyɔ si kplɔe ɖo.
· Trɔ asi le anyigba ƒe ɖekawɔwɔ ŋu: Sanding nyuie naa matte nuwuwu sɔsɔe. Dɔwɔwɔ dzi ɖuɖu si mesɔ o hea teƒe siwo wotsɔ ke ƒoe wògbɔa eme (nu si wotsɔ blae si le tsɛ vevie) kple teƒe siwo le gbadzaa siwo wometsɔ ke wɔe o, si wɔnɛ be nɔnɔme vovovo siwo mesɔ o dona.
2. Nutsyɔtsyɔ ƒe Nuteƒewɔwɔ: Tso Film si Megblẽ O si Yia Edzi Dzi Va ɖo Nusi Gblẽ, Si Woɖe Ðe Go Dzi
Esiae nye afɔku vevitɔ kekeake si bia be woakpɔ dɔwɔwɔ dzi vevie, si afia adzɔnua ƒe subɔsubɔdɔ vevitɔ tẽ:
· Thinning of PTFE layer: Sanding nye nu ŋutɔŋutɔ si woɖena ɖa koŋ. Zi geɖe la, avɔ si me dzoxɔxɔ le ŋutɔ ƒe PTFE ƒe titrime nɔa micron ewo va ɖo alafa geɖe. Sanding si gbɔ eme ɖea nusi wotsɔ blaa nu ƒe titrime dzi kpɔtɔna ŋutɔ, si ɖea dielectric ƒe ŋusẽ kple atikewo ƒe xɔxlɔ̃ ƒe dɔwɔwɔ ƒe agbenɔƒe dzi kpɔtɔna.
· Afɔku si le fiberglass substrate si woɖe ɖe go me (xɔtuɖoɖo ƒe gbɔdzɔgbɔdzɔ sesẽtɔ kekeake): Ne nutunu ƒe goglome wu PTFE ƒe nutsyɔnu ƒe titrime la, fiberglass avɔ si le ete la avuvu, si ahe kpododonu vovovowo vɛ:
1. Nusiwo meléna o ƒe bu: Glass-ka siwo woɖe ɖe go la léna ɖe nuwo ŋu bɔbɔe;
2. Tsi kple atikewo ƒe gege ɖe avɔa me: Tsi ƒe dzoxɔxɔ kple atikewo gena ɖe avɔa me to ahuhɔ̃e kawo ƒe ʋukawo ƒe dɔwɔwɔ me, si wɔnɛ be woɖea avɔa ɖa eye woƒe dɔwɔwɔ gblẽna kabakaba;
· Dzidzime na microcracks kple ƒo ƒu gbeɖuɖɔ: Abrasive lãɖeɖe le PTFE ƒo brittle fracture kple ductile tearing, si wɔa microcracks kple burrs le groove goawo kple ete. Le ɣeyiɣi ma ke me la, PTFE ƒe lãgbalẽ siwo woɖe le wo ŋu ate ŋu agbugbɔ aƒu gbe ɖe anyigba dzi le mɔ si mebɔbɔ o nu, eye woawɔ xɔtunu siwo le gbadzaa abe ƒukpo ene siwo agblẽ kakaɖedzi si le nusiwo wotsɔ blae alo esiwo wotsɔ blae emegbe ŋu.
Togbɔ be ŋutilã me atikewɔwɔ koŋue nye sanding hã la, ehea tɔtrɔwo vɛ le atike siwo le anyigba dzi hã ŋu:
· Anyigbadziŋusẽ si kɔ: PTFE dzadzɛ ƒe anyigbadziŋusẽ si bɔbɔ ŋutɔ (18–20 mN/m), kple tsi ƒe kadodo ƒe dzogoe si wu 108°. Ne wotsɔ saŋku ƒu gbe vɔ la, anyigba gbadza yeye siwo wowɔ kple molecule kɔsɔkɔsɔ siwo gbã la ɖea teƒe siwo ŋusẽ geɖe le siwo wɔa dɔ la ɖe go hena ɣeyiɣi aɖe, si wɔnɛ be anyigba ƒe ŋusẽ kɔa dzi wu 40 mN/m. Tsi suesuesuewo kakana hedea tsii, si ɖea tsi ƒe vivisese fiana hena ɣeyiɣi aɖe, si nu yina vivivi le ɣeyiɣi aɖe megbe.
· Polar dɔwɔwɔ ƒe ƒuƒoƒowo dodo ɖe ŋgɔ hena ɣeyiɣi aɖe: Ŋusẽ gã ƒe nututu hea nuwɔna vɛ le PTFE molecule kɔsɔkɔsɔ gbagbãwo kple oxygen/tsidzadza si le ya me dome, si wɔnɛ enumake be polar dɔwɔwɔ ƒe ƒuƒoƒowo abe carbonyl (C=O) kple hydroxyl (-OH) dona. Ƒuƒoƒo siawo wɔnɛ be atikewo ƒe kadodo nɔa wo nɔewo ŋu hena atikewo ƒe tɔtrɔ bubuwo alo adhesive lamination.
Ŋusẽkpɔɖeamedziwo Katã ƒe Kpuie
Kpuie ko la, sanding-dɔdamɔnu si dze naa micro-nano wɔwɔme si sɔ, si me mekɔ o, si wɔa dɔ le PTFE avɔ dzi evɔ megblẽa nu le fiberglass substrate si le ete ŋu o.
· Tɔtrɔ nyui: Ewɔa mɔ̃ɖaŋunu siwo ƒoa ƒu ɖe wo nɔewo ŋu ƒe nɔnɔme be woakpɔ PTFE ƒe kuxi si le dzɔdzɔme nu si nye be wòalé ɖe nu ŋu nyuie o la gbɔ.
· Nu gbegblẽ siwo gblẽ le eŋu: Etsɔa gbãtɔ ƒe dɔwɔwɔ si meléna ɖe nu ŋu o, anyigba ƒe ƒuƒuiƒe kple nuwɔwɔ le gaglãgbe saa vɔe, kple afɔku siwo nɔa anyi ɖaa siwo nye substrate ƒe gbegblẽ kple subɔsubɔ ƒe agbenɔƒe kpui.
Eyata, nuwɔna sia ƒe nu vevitɔ le nusiwo woɖe ɖa ƒe goglome dzi kpɔkpɔ pɛpɛpɛ me — PTFE ƒe anyigba ƒe akpa si le etame koe wotsɔa abraded, evɔ womekaa fiberglass ŋusẽdodo ƒunukpeƒea o. Zi geɖe la, woɖoa avɔ si ŋu wowɔ atike ɖo la ɖe nutsyɔnu alo babla ƒe mɔnuwo me enumake be wòawɔ eƒe anyigba ƒe nɔnɔme nyuitɔ si me wòwɔ dɔ le la ŋudɔ bliboe.
