Inkqubela yetekhnoloji yokwaleka icoil powder

I-coil efakwe ngaphambili ingasetyenziselwa ukwakha iipaneli zodonga lwangaphakathi nangaphandle, kwaye kukho amathemba abanzi kwisixhobo, iimoto, ifenitshala yentsimbi kunye namanye amashishini. Ukusukela ngeminyaka yoo-1980, iTshayina yaqala ukwazisa kunye nokufunxa itekhnoloji yangaphandle, ngakumbi kwiminyaka yakutshanje ngenxa yentengiso yezixhobo zokwakha kunye neendleko zentengiso ye-elektroniki yemoto kunye neemfuno zokusingqongileyo, inani elikhulu leekhoyili zasekhaya. yengubo umgca wemveliso uqalisiwe

I-powder yokwambathisa iyaziwa ngokusebenza kwayo okuphezulu kunye nokhuseleko lokusingqongileyo, iChina iye yaba yeyona marike inkulu yehlabathi yomgubo wokugquma. Ukuphumelela okutsha komgubo wemveli oqala ukuvela, kubandakanywa i-fiberboard yoxinaniso oluphakathi, iinxalenye zeplastiki, izinto ezingeva bubushushu zihlanganiswe kwangaphambili, ezinjengeemotor zombane, imithombo yoxinzelelo lwepneumatic kunye nokunye ukutyabeka.

Ukufakwa komgubo kwikhoyili kunendawo enkulu, njengokugqobhoza kunye nentsimbi yokushicilela yokunceda; ubukhulu befilimu, ipateni yokwaleka; Ukongezelela, ukuqina, ukuguquguquka, ukukrazula kunye nokuchasana kweekhemikhali kunokuphuculwa.I-precoating i-membrane ekusebenzeni kakuhle kwemveliso kunye nomgangatho, imiba yokusingqongileyo inenzuzo enkulu kune-membrane edibeneyo ngendlela yendabuko.

Inkqubo yokwaleka komgubo wesintu ayihambelani neemfuno zesantya esiphezulu, kunokufuneka ukuba kusetyenziswe umpu ukuba ugqithe ngaphezu kwama-50, kodwa sele ifikelele kumda wayo. uphuhliso lokwaleka

Umjikelo wokunyanga we-UV, IR kunye ne-EB mfutshane kakhulu, kwaye itekhnoloji ye-infrared yenza ukuba umgubo unyange ngaphakathi kwe-60s, kunye ne-EB yokunyanga itekhnoloji kwi-20s, itekhnoloji ye-UV inokwenza umgubo imizuzwana embalwa ukunyanga. Indlela yokudibanisa ukubunjwa komgca we-high-speed coating kunye nalezi zindlela zokuphilisa, i-wire-speed ukufikelela kwi-100m / min, okanye ngaphezulu, kugxininiso lwabaphandi.

Itekhnoloji ye-2 yomgubo welifu

Njengoko sonke sisazi, isantya ucingo substrate ngokukhawuleza, ngakumbi emoyeni move.And electrostatic spray umpu "point source xa kuthelekiswa nenkampani MSC" umthombo womgca "uyakwazi ukuvelisa amaxesha 1,000 namandla ngaphezu electrostatic spray gun umpu umthombo, leyo eyenza umgubo ukuba Ukugqobhoza kwinwebu kumeko wokuhamba komoya okhawulezayo wocingo unokwenzeka.
Ilifu lomgubo ligubungele iindawo ezine: i-substrate ezimbini ezihamba phambili, ezimbini zibuyela umva, ziboniswe kwi-Figure 1. Gxininisa iinzuzo zobuchwephesha zezi: indawo yokuxubha ngokulinganayo i-powder cloud density kunye nokuhlawulisa isixa sombane osisigxina kunye nobukhulu bomgubo wokugquma. Ubungakanani besuntswana kunye ne-substrate yokulawula isantya socingo. Ubukhulu besiqhelo 10 ~ 130μm, izinga lokubeka umgubo ngumyinge ongaphezu kwama-93%. Kwaye ngokweemfuno ezahlukeneyo zokutshiza enye okanye kabini. Guqula umbala ngolwelo lwemveli ukutyabeka phantse ixesha malunga 30min. Ukwahluka kwi-contact roll coating, itekhnoloji yelifu yomgubo ifaneleke ngakumbi ukugquma kwangaphambili, i-coil embossing; kwaye kwiimfuno zepeyinti ye-dimensional-effect ine-unparaliinzuzo leled, ezifana ikhozo esantini, isando.
Ngokufanayo nale nkqubo ingasentla, i-capsule ye-phosphate yomgubo yayisuka kwindawo ephezulu yohlobo lwenkungu yombhobho wokutshiza phantsi komthamo womoya ngomthamo wokufunxa okhuphayo kunye nombhobho wokuhambisa ukulawula ukuxinana kwelifu elingumgubo. Ilifu lomgubo eliveliswe yiphaneli ye-corona yenaliti ye-electrode ebekwe kumacala omabini e-ion ehlawuliweyo, izifundo zibonisa ukuba: ubukhulu bokugquma kunye nomthamo wombane kunye nesantya sokukhupha umgubo.

1. Ukutshiza nge-electrostatic

Ngesiqhelo electrostatic powder ukutshiza, ngokobubanzi coil kunye ucingo-speed ukumisela inani kunye nolungiselelo umpu wokutshiza. Of ukufudumeza igesi ngendlela eqhelekileyo, coil isantya isantya ukufikelela kuphela l520m/min ukwandisa isantya ucingo, umgubo ukutyabeka substrate high-speed mobile yathatyathwa, ukusebenza deposition kuphela 40% -50%; kunye nompu ubeko-nzulu, electrostatic ukutyabeka film ubukhulu kunzima ukulawula. Ukwathandeka kwezinye iziphene zokugquma, ezinje ngepitting, i-orenji peel. Ngoku kugxilwe kubaphandi kunyango lwemitha endaweni yokunyanga ubushushu begesi.

Itekhnoloji ye-3 ye-EMI

Itekhnoloji ye-DSM ye-EMB (iteknoloji yebrashi yombane) ivela kumgaqo wokukopa kunye noshicilelo lwelaser. Kuboniswe kwi-Figure 2, i-powder particles kunye ne-carrier carriers kunye nomxube onamandla, le ngqungquthela ye-carrier i-polytetrafluoroethylene (iTeflon) okanye i-polymer coating efanayo. Kwinkqubo yokuxuba, i-powder particles ihlawuliswa nge-friction ye-particle carrier carrier, kwaye ibambelela kumthwali. I-Mixed roll yalo mxube idluliselwe kufakelo lwangaphakathi lwegubu elijikelezayo lemagnethi kwelinye icala lepleyiti yelizwe lomhlaba. Imagnethi ngaphakathi kwamaso othwala ethwele amasuntswana omgubo kumhlaba wemagnethi ukwenza ityathanga, ikhonkco libizwa ngokuba kukuncamathela kumphezulu wegubu lebrashi yamagnetic, ibrashi yobude bemagnethi imisela igubu elijikelezayo kunye nemela esisigxina esisigxina, ukuba kukuba, umgama phakathi kwe-scraper. Intsimi ye-electrostatic esetyenzisiweyo phakathi kwegobolondo legubu elijikelezayo kunye nezinzwa zokukhanya, ukunamathela kwamasuntswana omgubo kwi-membrane, kuboniswe kuMfanekiso 3. iinqununu zepowder kunye nomthwali, i-powder particles ziya kufakwa ukuze zilungelelanise ubukhulu bengubo ngokulungelelanisa ubungakanani bentsimi ye-electrostatic.
Ngokomzekelo, i-hybrid powder yokugqoka kunye ne-isocyanuric acid shrunk glyceride (TGIC) ukunyangwa kwe-polyester ecocekileyo yokugqoka ngumgubo we-24μm we-avareji ye-particle ye-friction charged powder modified in 100m / min, i-25μm ekhoyo yokwaleka obukhulu.

I-Heidelberg Digital ine-wire-speed 120m/min ephuculweyo ejikelezayo ye-electromagnetic brush yetekhnoloji esetyenziswa kwintsimbi kunye nentsimbi engatyiwa, ialuminiyam yokwambathisa, kukho ezisixhenxe.ral abathwali ezahlukeneyo, ezifana conductive okanye insulating carrier. Undoqo wemagnethi ogxininisiweyo wemagnethi okanye itekhnoloji ejikelezayo yemagnethi ejikeleze ibrashi yombane yombane, ezi nkqubo ziquka ibrashi yemagnethi esisigxina yondoqo wokuqhuba ibrashi yombane, undoqo wemagnethi esisigxina yokugquma ibrashi yombane, ibhrashi ejikelezayo engundoqo wokufakelwa kombane. Itekhnoloji yokugqibela, eyaziwa ngokuba yibrashi kazibuthe ejikelezayo ukuphucula inkqubo. Phantse yonke inkqubo ekhoyo i-insulated carrier particles inokufakwa nge-insulating layer conductive medium, njengamasuntswana ensimbi afakwe kwi-Teflon ®, okanye usebenzise nje i-insulator, njengohlobo oluphezulu lwe-dielectric engapheliyo magnetic ferrite. Uphuculo olujikelezayo ibrashi ye-electromagnetic type ferrite njengomphathi, ngelixa inkqubo yemveli yokusetyenziswa kunye ne-insulating layer conductive carrier.

Itekhnoloji ejikelezayo yebrashi ye-electromagnetic idla ngokuphuculwa ngeqokobhe lecylindrical conductive kunye nokutshintsha i-Antarctic Arctic bar receptor. I-Magnetic Vector kwintsimi yamagnetic ye-roller kwi-roller eyenza ikhonkco eqhubekayo. Oku kubhekiselwa kuko "njenge-fluff" xa kudityaniswe nekhonkco lomthwali we-Antarctic Arctic kunye nombala othe nkqo wenyukliya. Phakathi kwezibonda zaseMntla nakumaZantsi, intsimi yamagnetic ye-core magnetic kunye ne-parallel kumbala ophethe yenyukliya chain esisiseko kunye nombala yenyukliya parallel. Umphezulu wangaphandle wevili le-roller okanye umbala we-nuclear receptor ngaxeshanye intshukumo. Xa ujikelezo lwe-core magnetic, ikhonkco le-carrier carrier ecaleni kwendlela yentshukumo yomzimba ofumana ukukhanya okuphoswe. Ngokwahlukileyo, inkqubo yendabuko, ngenxa yobukho be-core magnetic esisigxina, "i-fluff" i-static. Iimeko eziqhelekileyo zaziyi: umgubo wokwaleka uyacetyiswa ukuba ujoyine i-arhente ephilayo 1.5pph, kwaye ugaywe ube ngumgubo, uhlelwa ngumgubo we-avareji yobungakanani be-particle yi-12.9μm. Lo mxube ukwabandakanya i-15% ye-strontium ferrite, i-strontium ferrite surface topcoat 0.3pph i-agent ephilayo, ixutywe kwi-blender kwi-1min, indawo engumgubo we-30g / m. I-wire-speed, kwi-120m / min elandelayo, kwi-substrate ehambisayo, i-non-conductive substrate kunye ne-ferromagnetic-type substrate coating. I-substrate ye-conductive, nje ngokuba i-electromagnetic brush roller kunye ne-substrate surface yombane, i-powder ingafakwa kwi-substrate ephantsi. Ingasetyenziselwa i-non-conductive substrate, i-powder ngokwayo, ukutshaja kwe-corona okanye kwi-substrate engezantsi okanye kufuphi ne-electrodes edibeneyo. Kwindawo enqabileyo, kulula ukuyigcina i-substrate ye-carrier carriers, njengemithi kunye nomzekelo weplastiki, indlela inokukhutshwa ngepowder endaweni yoqhagamshelwano oluthe ngqo lwe-carrier substrate. Kule nkqubo ye-non-contact okanye i-soft contact system, isantya somgca kunye nomgama phakathi kwe-substrate kunye ne-roller kukho umdlalo. Kwi-substrate ye-magnetic-type substrate, imali encinci kuyo iyimfuneko ukuphelisa i-roller kunye ne-substrate carrier yohlobo lwamagnetic.

Itekhnoloji ye-4 TransAPP

Iteknoloji yeTransAPP yeFraunhofer, ukusetyenziswa kobuchwephesha bokuhanjiswa kwepowder endaweni yompu, eboniswe kuMfanekiso 4, ukuphepha imida yesantya sokusetyenziswa kwepowder yendabuko kunye nokwahlukana kobukhulu befilimu.
Kobu buchule, umgubo ngokugqithiselwa kwi-loop conveyor ukuthatyathwa kwi-substrate, amasuntswana omgubo afakwe ngokulinganayo kumphezulu we-substrate, okukhokelela kubunzima obufanayo. Ngaphezu koko, akukho kudluliselwa kwi-powder particles kwi-substrate ayichithi, kodwa ngokudluliselwa kumjikelezo olandelayo. Le nkqubo ikwasebenza kwabangenga-zetsimbi i-substrate, isantya socingo esiphezulu kwi-60m/min ye-NIR yokunyanga i-epoxy polyester hybrid powder yokwambathisa efumanekayo ngama-70μm ubukhulu befilimu.

Isiphelo se-5

Imarike yaseYurophu imalunga ne-10 yekhoyili yomgubo wokugquma, isantya socingo esingama-20m/min, imipu yokutshiza esisiseko kunye nerotary. Itekhnoloji yefu ye-MSC yomgubo ikwinqanaba lesiqingatha sorhwebo. Itekhnoloji ye-DSM ye-EMB ngokusisiseko ikwinqanaba elincinci lokulinga itekhnoloji yeTransAPP isandula ukugqiba uvavanyo. Ukudibanisa i-powder coating kunye nomgca wokupeyinta, ngokuqhelekileyo ziinkampani ezaziwayo-kakuhle, ezifana nezigebenga zeshishini ezifana neDuPont, Akzo, Rohm kunye neHaas, kunye nePPG.

Coil powder ukutyabeka kule minyaka yakutsha nje kwindawo yophuhliso China, kunye nokomelezwa yokwazisa ukhuseleko lokusingqongileyo kunye neemfuno zokunciphisa iindleko, umgubo ukutyabeka, coil ukutyabeka yindlela yophuhliso. Abanye abantu baqikelela ukuba i-coil coil iya kungenisa ixesha le-powder coating. Kodwa ngenxa yezizathu ezahlukahlukeneyo, kude kube ngoku akukabikho ingqiqo yokwenyani yomgca wekhoyili yomgubo, ingqalelo yabantu ayifuni. Eli nqaku ligxininise kwindlela yophuhliso lwangaphandle, ukubeka ingqwalasela engakumbi kwizinto ezilindelwe ngabantu bengqiqo yokwambathisa i-powder coil.