Kuti uite kuti chigadzirwa chiwedzere kuve chakasarudzika, mazhinji ezvigadzirwa zvekurongedza zvinofanirwa kuve nemavara pamusoro. Kune akasiyana-siyana epamusoro ekurapa maitiro emazuva ese emakemikari kurongedza. Pano isu tinonyanya kusuma akati wandei maitiro akajairika muindasitiri yekurongedza yekushongedza, senge vacuum coating, spraying, electroplating, anodizing, nezvimwe.
一、Nezve kupfapfaidza maitiro
Kupfapfaidza (spraying) zvinoreva nzira yekuputira inoshandisa pfuti yekupfapfaidza kana disc atomizer kuti ipararire kuita madonhwe euniform neakanaka nerubatsiro rwepressure kana centrifugal force woaisa pamusoro pechinhu chichaputirwa. Inogona kupatsanurwa kuita mhepo kupfapfaidza, airless spraying, electrostatic spraying uye siyana derivative nzira pamusoro apa anokosha kupfapfaidza mafomu, akadai mukuru-kuyerera yakaderera-kutsikirira atomization spraying, thermal spraying, otomatiki spraying, multi-boka spraying, etc.
二、Zvimiro zvekupfapfaidza maitiro
● Dziviriro:
Chengetedza simbi, huni, matombo uye zvepurasitiki zvinhu kubva pakusvibiswa nechiedza, mvura, dova, hydration nezvimwe zvinobudisa nhau. Kuvhara zvinhu nepende ndeimwe yenzira dzakanakisa uye dzakavimbika dzekudzivirira, dzinogona kuchengetedza zvinhu uye kuwedzera hupenyu hwavo hwebasa.
●Decorative effect:
Kupenda kunogona kuita zvinhu "kuvhara" nejasi rakanaka, nekupenya, kupenya uye kutsetseka. Nzvimbo yakashongedzwa uye zvinhu zvinoita kuti vanhu vanzwe vakanaka uye vakasununguka.
●Special function:
Mushure mekushandisa pendi yakakosha pachinhu, pamusoro pechinhu chacho chinogona kuva nemabasa akadai sekudzivirira moto, kusapinda kwemvura, anti-fouling, chiratidzo chekushisa, kuchengetedza kupisa, stealth, conductivity, insecticide, sterilization, luminescence uye kufungisisa.
三、Kuumbwa kwekupfapfaidza process system
1. Imba yekupfirira
1) Air conditioning system: midziyo inopa yakachena mweya mutsva nekushisa, humidity uye guruva kudzora kune spray booth.
2) Spray booth body: ine ine simba rekumanikidza kamuri, static yekumanikidza kamuri, yekupfapfaidza yekuvhiya imba uye grille pasi ndiro.
3) Exhaust uye pendi mhute yekuunganidza system: ine pendi mhute yekuunganidza mudziyo, exhaust fan uye mhepo duct.
4) Tsvina yekubvisa pendi yekubvisa: nenguva bvisa tsvina yependi mutsvina inoburitswa kubva mudumba rekupfapfaidza enhi yekuwachisa mudziyo, uye dzosera iyo yakasefa mvura mugomba pazasi penzvimbo yekupfapfaidza kuti idzokororwe.
2. Mutsara wekupfirira
Zvikamu zvinomwe zvakakura zvemutsetse wekuputira zvinonyanya zvinosanganisira: pre-kurapa midziyo, poda yekupfapfaidza system, pendi yekupfapfaidza midziyo, oveni, kupisa sosi system, yemagetsi control system, inorembera conveyor cheni, nezvimwe.
1) Pre-kurapa midziyo
The spray-type multi-station pre-treatment unit chinhu chinowanzoshandiswa pakurapa kwepamusoro. Nheyo yayo ndeye kushandisa mechanic scouring kukurumidza kuita kemikari kupedzisa degreasing, phosphating, kugeza mvura uye mamwe maitiro ekuita. Iyo yakajairika maitiro esimbi zvikamu zvekupfapfaidza pre-kurapwa ndeye: pre-degreasing, degreasing, kugeza mvura, kugeza mvura, kugadzirisa pamusoro, phosphating, kugeza mvura, kugeza mvura, kugeza mvura yakachena. Shot blasting yekuchenesa muchina inogona zvakare kushandiswa kwekutanga kurapwa, iyo inokodzera zvikamu zvesimbi zvine chimiro chakareruka, ngura yakaoma, isina mafuta kana mafuta mashoma. Uye hakuna kusvibiswa kwemvura.
2) Powder spraying system
Iyo diki cyclone + sefa yekudzoreredza chinhu muhupfu yekupfapfaidza chinhu chepamberi chekudzoreredza poda chinokurumidza kuchinja kwemavara. Zvinokurudzirwa kushandisa zvigadzirwa zvinotengeswa kunze kwenyika kune zvakakosha zvikamu zvehupfu yekupfapfaidza system, uye zvikamu zvese senge poda yekupfapfaidza kamuri uye yemagetsi mechanical lift zvinogadzirwa mudzimba.
3) Kupfapfaidza michina
Zvakadai sekamuri yekupfapfaidza mafuta uye kamuri yekupfapfaidza jira remvura, iyo inoshandiswa zvakanyanya mukuputira pamusoro pemabhasikoro, zvitubu zvemashizha emotokari uye mahombe anotakura.
4) Ovheni
Oveni ndiyo imwe yemidziyo yakakosha mumutsara wekugadzira wekuputira. Kufanana kwayo kwekushisa chiratidzo chakakosha chekusimbisa hutano hwekuputira. Nzira dzekudziya dzechoto dzinosanganisira radiation, kutenderera kwemhepo inopisa uye radiation + kupisa kwemhepo kutenderera, etc. Zvinoenderana nechirongwa chekugadzira, inogona kukamurwa kuva imwe kamuri uye kuburikidza nemhando, nezvimwewo, uye mafomu emidziyo anosanganisira yakatwasuka-kuburikidza nemhando. uye bhiriji mhando. Ovheni yekutenderera kwemhepo inopisa ine yakanaka yekupisa yekupisa, tembiricha yakafanana muchoto, uye kushomeka kwekupisa. Mushure mekuedza, mutsauko wekushisa muchoto uri pasi pe ± 3oC, uchisvika kune zviratidzo zvekushanda zvezvigadzirwa zvakafanana munyika dzepamusoro.
5) Heat source system
Kutenderera kwemhepo inopisa inzira yakajairika yekudziya. Inoshandisa musimboti weconvection conduction kupisa ovheni kuti iwane kuomeswa uye kurapa kweiyo workpiece. Nzvimbo yekupisa inogona kusarudzwa maererano nemamiriro ezvinhu chaiwo emushandisi: magetsi, steam, gasi kana mafuta emafuta, nezvimwewo Bhokisi rinopisa rinopisa rinogona kugadziriswa maererano nemamiriro ezvinhu echoto: kuiswa pamusoro, pasi uye parutivi. Kana iyo inotenderera feni yekugadzira kupisa sosi iri yakakosha yakakwira tembiricha inodzivirira feni, ine zvakanakira hupenyu hwakareba, kuderera kwesimba rekushandisa, yakaderera ruzha uye diki saizi.
6) Electric control system
Iyo yemagetsi kutonga kwekupenda uye pendi mutsara ine pakati uye imwechete-column control. Centralized control inogona kushandisa programmable controller (PLC) kudzora mugadziri, otomatiki kudzora maitiro ega ega zvichienderana neyakaunganidzwa yekudzora chirongwa, kuunganidza data uye kutarisa alarm. Single-column control ndiyo inonyanya kushandiswa kudzora nzira mumutsara wekugadzira pendi. Nzira imwe neimwe inodzorwa mumutsara mumwe chete, uye bhokisi rekutonga remagetsi (cabinet) rakagadzirirwa pedyo nemichina. Iine mutengo wakaderera, intuitive kushanda uye kugadzirisa kuri nyore.
7) Suspension conveyor cheni
Suspension conveyor ndiyo nzira yekufambisa yeindasitiri yegungano mutsara uye mutsara wekupenda. Accumulation type kuturika conveyor inoshandiswa kuchengetera masherufu ane L = 10-14M uye yakasarudzika-yakavezwa mwenje wemugwagwa alloy simbi pombi pendi mutsara. Iyo workpiece yakasimudzwa pane yakakosha hanger (ine inotakura mutoro we500-600KG), uye iyo mukati nekunze inobuda inotsvedza. Iko kutendeuka kunovhurwa uye kuvharwa nekutonga kwemagetsi maererano nemirairo yebasa, iyo inosangana nekutakura otomatiki kweiyo workpiece muchiteshi chega chega chekugadzirisa, uye yakaenzana inounganidzwa uye inotonhorera muimba yakasimba yekutonhora uye nzvimbo yekudzikisa. Chiziviso che hanger uye traction alarm yekuvhara mudziyo yakaiswa munzvimbo yakasimba yekutonhora.
3. Mwaya pfuti
4. Pendi
Paint chinhu chinoshandiswa kuchengetedza nekushongedza pamusoro pechinhu. Inoshandiswa pamusoro pechinhu kuti iite firimu rinopfuurira rinoputira rine mamwe mabasa uye kunamatira kwakasimba, iyo inoshandiswa kudzivirira nekushongedza chinhu. Basa repende ndeyekudzivirira, kushongedza, uye akakosha mabasa (anti-corrosion, kuzviparadzanisa nevamwe, kumaka, kuratidza, conductivity, nezvimwewo).
四、Basic process flow
Nzira yekuputira uye maitiro ezvinangwa zvakasiyana zvakasiyana. Isu tinotora zvakajairwa zvikamu zvepurasitiki zvekupfeka semuenzaniso kutsanangura maitiro ese:
1. Pre-kurapa maitiro
Kuti upe chigadziko chakanaka chakakodzera kupfekedza zvinodiwa uye kuve nechokwadi chokuti chifukidzo chine zvakanaka anti-corrosion uye zvinhu zvekushongedza, zvinhu zvakasiyana-siyana zvekunze zvakabatanidzwa pamusoro pechinhu chacho zvinofanira kurapwa zvisati zvaputirwa. Vanhu vanotaura nezvebasa rakaitwa nenzira iyi se-pre-coating (pamusoro) kurapwa. Inonyanya kushandiswa kubvisa zvinosvibisa pane zvinyorwa kana roughen pamusoro pezvinhu kuti uwedzere kunamatira kwefirimu yekuputira.
Pre-degreasing: Basa guru nderekubvisa zvishoma pamusoro pezvikamu zvepurasitiki.
Main degreasing: Iyo yekuchenesa mumiriri inobvisa pamusoro pezvikamu zvepurasitiki.
Kugeza mvura: Shandisa mvura yemupombi yakachena kugezesa makemikari reagents akasara pamusoro pezvikamu. Kugezwa kwemvura mbiri, tembiricha yemvura RT, kupfapfaidza kudzvanywa ndeye 0.06-0.12Mpa. Mvura yakachena yekugeza, shandisa mvura yakachena yakasvibiswa kuti unyatsochenesa pamusoro pezvikamu (kuchena kunodiwa kwemvura yakasvibiswa ndiko conductivity ≤10μm / cm).
Mhepo inovhuvhuta nzvimbo: Mushonga wemhepo mushure mekugezwa kwemvura yakachena mugero rekugeza mvura unoshandiswa kupeperetsa madonhwe emvura akasara pamusoro pezvikamu zvine mhepo ine simba. Nekudaro, dzimwe nguva nekuda kwechimiro chechigadzirwa uye zvimwe zvikonzero, madonhwe emvura mune dzimwe nzvimbo dzezvikamu haagone kupeperetswa zvachose, uye nzvimbo yekuomesa haigone kuomesa madonhwe emvura, izvo zvinokonzeresa kuunganidzwa kwemvura pamusoro pezvikamu uye. kukanganisa kupfapfaidza kwechigadzirwa. Naizvozvo, pamusoro peiyo workpiece inoda kuongororwa mushure mekurapwa kwemoto. Kana mamiriro ari pamusoro akaitika, pamusoro pebumper inoda kupukuta.
Kuomesa: Chigadzirwa chekuomesa nguva ndeye 20min. Ovheni inoshandisa gasi kupisa mhepo inotenderera kuita kuti tembiricha iri mugero rekuomesa isvike pakukosha kwakatarwa. Kana zvigadzirwa zvakagezwa uye zvakaomeswa zvichipfuura nemugero rehovhoni, mhepo inopisa muchoto inoomesa hunyoro huri pamusoro pezvigadzirwa. Kugadzika kwekushisa kwekubikira hakufaniri kungofunga nezvekubuda kwehunyoro pamusoro pezvigadzirwa, asiwo zvakasiyana-siyana zvekupisa kwezvigadzirwa zvakasiyana. Parizvino, mutsara wekuputira wechipiri chekugadzira chirimwa chinonyanya kugadzirwa nePP zvinhu, saka tembiricha yekuseta i95±5℃.
Kurapa kwemurazvo: Shandisa murazvo wakasimba weoxidizing kuti uwedzere kuvhuvhuta kwepurasitiki, wedzera tension yepasi peplastic substrate surface, kuitira kuti pendi igone kusanganisa zvirinani ne substrate surface kuvandudza kunamatira kwepende.
Primer: Primer ine zvinangwa zvakasiyana uye kune akawanda marudzi. Kunyange zvazvo isingagoni kuonekwa kubva kunze, ine simba guru. Mabasa ayo ndeaya anotevera: kuwedzera kunamatira, kuderedza mutsauko wemuvara, uye masiki akaremara mavara pane workpieces.
Kupfeka kwepakati: Rudzi rwefirimu rekuputira rinoonekwa mushure mekupenda, chinhu chinonyanya kukosha ndechekuita kuti chinhu chakaputirwa chive chakanaka kana kuva nemuviri wakanaka uye makemikari zvinhu.
Kupfeka kwepamusoro: Kuputira kwepamusoro ndiyo yekupedzisira yekuputira mukugadzirisa kwekuputira, chinangwa chayo ndechekupa firimu rekuputira kubwinya kwepamusoro uye kwakanaka kwemuviri nemakemikari zvinhu kuchengetedza chinhu chakaputirwa.
五、Chikumbiro mumunda wecosmetic packaging
Iyo yekupfekedza maitiro inoshandiswa zvakanyanya mukushongedza zvizorwa, uye inhengo yekunze yeakasiyana lipstick kits,mabhodhoro egirazi, misoro yepombi, zvivharo zvemabhodhoro, nezvimwe.
Imwe yenzira huru dzekuisa mavara
Nguva yekutumira: Jun-20-2024