Inqubekela phambili yobuchwepheshe bokugcotshwa kwekhoyili

Ikhoyili eboshwe ngaphambili ingasetshenziswa ekwakheni amaphaneli odonga angaphakathi nangaphandle, futhi kunamathemba abanzi ezintweni ezisebenza ngogesi, ezezimoto, ifenisha yensimbi nezinye izimboni. Kusukela ngeminyaka yawo-1980, iChina yaqala ukwethula nokumunca ubuchwepheshe bangaphandle, ikakhulukazi eminyakeni yamuva nje ngenxa yemakethe yezinto zokwakha kanye nezindleko zemakethe ye-automotive electronics kanye nezidingo zemvelo, inani elikhulu lamakhoyili asekhaya. i-powder coating ulayini wokukhiqiza wethuliwe

I-powder coating yaziwa ngokusebenza kwayo kahle kakhulu nokuvikela imvelo, iShayina isiyimakethe enkulu kunazo zonke emhlabeni yokuhlanganisa impushana. Iphuzu lokugcwala.Impumelelo entsha yempushana yendabuko isiqala ukuvela, okuhlanganisa i-fiberboard e-medium density, izingxenye zepulasitiki, izingxenye ezizwela ukushisa ezihlanganiswe ngaphambili, njengamamotho kagesi, iziphethu zokucindezela umoya nokunye okunamathelayo.

I-powder enamathela kukhoyili inesikhala esikhulu, njengokubhoboza kanye nensimbi yokunyathelisa yokusiza; ukuphakama kwefilimu ephezulu, ukumbozwa kwephethini; Ukwengeza, ubulukhuni, ukuguquguquka, ukunwebeka kanye nokumelana namakhemikhali kungathuthukiswa.Ukugqoka kuqala ulwelwesi ekusebenzeni kahle kokukhiqiza kanye nekhwalithi, izici zemvelo zinenzuzo enkulu kunolwelwesi oluboshwe ngendlela yendabuko.

Inqubo yendabuko yokumboza ngempushana ayihlangabezani nezidingo zejubane eliphezulu, ingase idinge ukusebenzisa isibhamu ukuze sidlulele ngaphezu kwama-50, kodwa isifinyelele umkhawulo wayo. ukuthuthukiswa enamathela

Umjikelezo wokuphulukisa we-UV, IR kanye ne-EB mfushane kakhulu, futhi ubuchwepheshe be-infrared buvumela ukuphulukiswa kwempushana phakathi kweminyaka yama-60s, kanye nobuchwepheshe bokuphulukisa be-EB ngeminyaka yama-20s, ubuchwepheshe be-UV bungenza impushana ilulaphe imizuzwana embalwa. Indlela yokufanisa ukwakheka komugqa wokumboza onesivinini esikhulu ngalezi zindlela zokuphulukisa, isivinini socingo ukuze sifinyelele ku-100m/min, noma ngaphezulu, kugxilwe kubacwaningi.

2 powder cloud technology

Njengoba sonke sazi, isivinini socingo lwe-substrate siyashesha, sinyakaza kakhulu emoyeni.Futhi isibhamu se-electrostatic spray “point source ngokuqhathaniswa nenkampani ye-MSC” umthombo womugqa “ungakhiqiza izikhathi eziyi-1,000 ezinamandla kunomthombo wempuphu ye-electrostatic spray, okwenza impushana ngena kulwelwesi kusendlalelo sokugeleza komoya esinesivinini sentambo esisheshayo sibe nokwenzeka .
Ikhava yamafu angu-powder izindawo ezine: i-substrate emibili eya phambili, emibili ehlehlayo, ekhonjiswe kuMdwebo 1. Gqamisa izinzuzo zalobu buchwepheshe yilezi: indawo yokuxubha ukuminyana kwamafu okuyimpushana esabalaliswe ngokulinganayo nokushaja inani likagesi omile kanye nogqinsi lwempushana enamathelayo. usayizi wezinhlayiyana kanye nokulawula kwe-wire-speed ye-substrate. Ubukhulu obujwayelekile buyi-10 ~ 130μm, izinga lokubeka impushana liyisilinganiso esingaphezu kwama-93%. Futhi ngokusho kwezidingo ezahlukene zokufafaza eyodwa noma kabili. Shintsha umbala nge wendabuko liquid enamathela cishe isikhathi cishe 30min. Ihlukile ku-contact roll coating, ubuchwepheshe bamafu obuyimpushana bufaneleka kakhudlwana ukumboza isitembu sangaphambi kokugxiviza, ikhoyili embossing; futhi ezidingweni zikapende we-t-dimensional-effect une-unparalizinzuzo leled, ezifana okusanhlamvu isihlabathi, isando.
Ngokufanayo nenqubo engenhla, ikhephusi le-phosphate lempushana lalisuka engxenyeni engenhla yohlobo lwenkungu yomlomo womlomo ifutha phansi ngenani lomoya ngevolumu yokudonsa i-ejector kanye nombhobho wokuhambisa ukuze ulawule ukuhlangana kwefu lempushana. Ifu lempushana elikhiqizwe iphaneli ye-electrode yenaliti ye-corona etholakala nhlangothi zombili ze-ion eshajiwe, ucwaningo lubonisa ukuthi: ukujiya kokumboza kanye nomthamo we-voltage yomthwalo kanye nezinga lokuphuma kwempushana.

1. Ukufafaza nge-electrostatic

Ngokufafaza okujwayelekile kwempushana ye-electrostatic, ngokobubanzi bekhoyili kanye nesivinini socingo ukuze kutholwe inombolo nokuhlelwa kwesibhamu sokufutha. Ukushisa kwegesi ngendlela evamile, ikhoyili yejubane locingo ingafinyelela ku-l520m/min kuphela ukwandisa isivinini socingo, i-powder enamathela i-substrate ye-high-speed mobile yasuswa, ukusebenza kahle kwe-deposition ka-40% -50% kuphela; futhi isibhamu layout-okunamandla, electrostatic enamathela ukujiya ifilimu kunzima ukulawula. Futhi othambekele kwamanye amaphutha enamathela, ezifana pitting, ikhasi orange. Manje sekugxilwe kubacwaningi ekwelapheni ngemisebe esikhundleni sokuphulukisa ukushisa kwegesi.

3 Ubuchwepheshe be-EMI

Ubuchwepheshe be-DSM be-EMB (ubuchwepheshe bebhulashi kagesi) busukela kumgomo wokukopisha nokuphrinta nge-laser. Kuboniswe ku-Figure 2, izinhlayiya ze-powder kanye nezinhlayiya zenethiwekhi ngokuxuba okuqinile, lezi zinhlayiya zenethiwekhi ziyi-polytetrafluoroethylene (Teflon) noma i-polymer coating efanayo. Enkambweni yokuxuba, izinhlayiya ze-powder zikhokhiswa ngokungqubuzana kwezinhlayiyana ze-carrier, futhi zinamathela kumthwali. Umqulu oxubile wale ngxube udluliselwe ekufakweni okumaphakathi kwesigubhu esizungezayo sikazibuthe esingaguquki ngakolunye uhlangothi lwepuleti lwendawo ephansi. Umazibuthe ongaphakathi kobuhlalu benkampani yenethiwekhi ethwala izinhlayiya zempushana endaweni kazibuthe ukuze zakhe iketango, iketango libizwa ngokuthi ukunamathela endaweni yesigubhu yebhulashi likazibuthe, ibhulashi ubude kazibuthe bunquma isigubhu esijikelezayo kanye nommese omisiwe ongashintshi. liwukuthi, ibanga phakathi kwe-scraper. Inkambu ye-electrostatic esetshenziswa phakathi kwegobolondo lesigubhu esijikelezayo nezinzwa zokukhanya, ukunamathela kwezinhlayiya zempushana kulwelwesi, okuboniswe kuMfanekiso 3. Inani lezinhlayiya zempushana lincike emandleni enkundla ye-electrostatic, lapho amandla e-electrostatic emakhulu kunamandla e-Coulomb phakathi kwe izinhlayiya ze-powder kanye nomthwali, izinhlayiya ze-powder zizofakwa ukuze kulungiswe ukushuba kwe-coating ngokulungisa usayizi wensimu ye-electrostatic.
Isibonelo, ingxube ye-powder ehlanganisiwe ne-isocyanuric acid ishwabene i-glyceride (TGIC) yokwelapha ye-polyester ehlanzekile eyimpushana ingu-24μm usayizi wezinhlayiyana omaphakathi we-friction charged powder oshintshwe ngo-100m/min, i-25μm etholakalayo ewugqinsi.

I-Heidelberg Digital inobuchwepheshe bebhulashi elijikelezayo lika-electromagnetic obuthuthukisiwe obusebenzisa i-wire-speed 120m/min obusetshenziswa ensimbi nensimbi engagqwali, ukunamathela kwe-aluminium, sekube kasikhombisa.ral abathwali abahlukene, njenge-conductive noma insulating carrier. Umongo ozibuthe ogxilile owenziwe yimboni noma ubuchwepheshe bebhulashi obuyizibuthe obuyizinsimbi obuzungezayo, lawa masistimu ahlanganisa ibhulashi eligxilile likazibuthe elihambisa ugesi, ibhulashi eligxilile likazibuthe eligxilile likagesi, ibhulashi elizungezayo likazibuthe eliphakathi kukagesi. Ubuchwepheshe bokugcina, obaziwa nangokuthi ibhulashi kazibuthe elizungezayo lokuthuthukisa uhlelo. Cishe zonke izinhlayiya ze-insulator ezikhona zesistimu zingambozwa nge-insulating layer conductive medium, njengezinhlayiya zensimbi ezigcotshwe nge-Teflon ®, noma zisebenzise isivikeli, njengohlobo lwe-dielectric engaguquki ye-ferrite magnetic. Ibhulashi elizungezayo lika-electromagnetic elithuthukisiwe lohlobo lwe-ferrite lwe-Magnetic njengesithwali, kuyilapho isistimu yendabuko esetshenziswa nesithwali se-conductive sengqimba evikelayo.

Ubuchwepheshe bebhulashi lika-electromagnetic obujikelezayo ngokuvamile buthuthukiswa ngegobolondo le-cylindrical conductive kanye nokushintsha uzibuthe webha ye-Antarctic Arctic yokwamukela. Ivekhtha kazibuthe endaweni kazibuthe yerola eyakha iketango eliqhubekayo. Lokhu kubizwa ngokuthi "i-fluff" uma ixhunywe ne-Antarctic Arctic carrier chain kanye ne-nuclear yombala omile. Phakathi kwezigxobo zaseNyakatho nezaseNingizimu, insimu kazibuthe yengqikithi kazibuthe kanye ne-parallel kumbala we-nuclear carrier chain eyisisekelo nombala we-nuclear parallel. Ingaphezulu lesondo le-roller noma umbala we-nuclear receptor ngesikhathi esifanayo ukunyakaza. Lapho ukuzungezisa kwengqikithi kazibuthe, iketango lenkampani yenethiwekhi elihambisana nomnyakazo womzimba owamukelayo wokukhanya ophonswayo. Ngokuphambene, uhlelo lwendabuko, ngenxa yokuba khona kwe-core magnetic engaguquki, "i-fluff" i-static. Izimo ezijwayelekile zaziyi: ukumbozwa kwempushana kunconywa ukuthi ujoyine i-ejenti ephilayo engu-1.5pph, futhi igaywe ibe yimpushana, ukugredwa ibe yimpushana yosayizi wezinhlayiyana ezimaphakathi ngu-12.9μm. Ingxube iphinde ihlanganise u-15% we-strontium ferrite, i-strontium ferrite surface topcoat engu-0.3pph ephilayo, exutshwe ku-blender ngo-1min, indawo eyimpushana engu-30g / m. Isivinini socingo, ku-120m/min ngokulandelayo, ku-substrate ehambisayo, i-non-conductive substrate kanye ne-ferromagnetic-type substrate coating. I-conductive substrate, inqobo nje uma i-electromagnetic brush roller kanye nensimu kagesi engaphezulu kwe-substrate, impushana ingafakwa ku-conductive substrate esekelwe phansi. Ingasetshenziselwa i-non-conductive substrate, impushana ngokwayo, ukushaja kwe-corona noma ku-substrate engezansi noma eduzane nama-electrode ashumekiwe. Ngobuso obunzima, kulula ukugcina i-substrate yezinhlayiya ezithwala, njengezinkuni kanye nephethini yepulasitiki, indlela ingashiswa nge-powder esikhundleni sokuxhumana okuqondile kwe-substrate yenkampani. Kulolu hlelo lokuxhumana olungathinteki noma oluthambile, isivinini somugqa kanye nebanga phakathi kwe-substrate ne-roller kukhona okufanayo. Ku-substrate yohlobo lukazibuthe, inani elincane lalo liyadingeka ukuze kuqedwe i-roller kanye nesithwali se-substrate sohlobo lwamagnetic.

4 Ubuchwepheshe beTransAPP

Ubuchwepheshe be-TransAPP be-Fraunhofer, ukusetshenziswa kobuchwepheshe bokudlulisa impushana esikhundleni sesibhamu, okuboniswe kuMfanekiso 4, ukugwema imikhawulo yesivinini sokufaka isicelo sempushana esivamile kanye nokwehluka kogqinsi lwefilimu.
Kule nqubo, i-powder ngokusebenzisa i-loop conveyor yokudlulisa isuswa ku-substrate, izinhlayiya zempushana zifakwe ngokulinganayo endaweni engaphansi, okuholela ekugqileni okufanayo. Ngaphezu kwalokho, akukho ukudluliselwa ezinhlayiyeni ze-powder ku-substrate ayichithi, kodwa ngokudluliselwa kumjikelezo olandelayo. Le nqubo iyasebenza kwabangewonametallic i-substrate, isivinini se-wire-speed esiphezulu ku-60m/min se-NIR elapha i-epoxy polyester hybrid powder coating etholakalayo engu-70μm ukujiya kwefilimu.

Isiphetho se-5

Imakethe yaseYurophu icishe ibe yi-10 yolayini oyimpushana oyimpushana, isivinini socingo esingu-20m/min, izibhamu eziyisisekelo zokumboza kanye ne-rotary. Ubuchwepheshe befu befu be-MSC bebusesigabeni se-semi-commercial. Ubuchwepheshe be-DSM be-EMB empeleni busesigabeni esincane sokuhlola ubuchwepheshe be-TransAPP busanda kuqeda ukuhlola. Ukumatanisa i-powder coating kanye nomugqa wokupenda, imvamisa izinkampani ezaziwayo, njengemidondoshiya yemboni efana neDuPont, Akzo, Rohm kanye neHaas, ne-PPG.

Ikhoyili powder enamathela eminyakeni yamuva endaweni yentuthuko yaseShayina, ngokuqiniswa kokuqwashisa ngokuvikelwa kwemvelo kanye nezidingo zokunciphisa izindleko, ukumbozwa kwempushana, ukumboza ikhoyili kuyinkambo yentuthuko. Abanye abantu babikezela ukuthi ukumbozwa kwekhoyili kuzongenisa inkathi yempuphu. Kodwa ngenxa yezizathu ezihlukahlukene, kuze kube manje awukabi nomqondo weqiniso we-powder coil enamathela umugqa, ukunaka kwabantu akukwenzi. Lesi sihloko sigxile ekuthuthukisweni kwabantu bakwamanye amazwe, ukubeka ukunaka okwengeziwe okulindelwe abantu be-insight powder coil coil coil.