Isingeniso
Izinkinga eziningi zokunamathela ezisolwa ngoyinki, i-adhesive, noma ukunamathela empeleni yizinkinga zamandla angaphezulu. Ifilimu eshiya i-extruder ku-31 mN/m ngeke ibambe-uyinki osuselwe emanzini kungakhathaliseki ukuthi umshini wokunyathelisa usethwe kanjani.Ukwelashwa kweCoronaikhona ukuze kukhushulwe lawo mandla angaphezulu abe sezingeni inqubo engaphansi komfula engabambelela, futhi okuwukuphela kwendlela ethembekile yokwazi ukuthi asebenzile yini ukukala izinga le-dyne.
Lo mhlahlandlela uchaza ukuthi yiziphi izilinganiso zeleveli ye-dyne, amanani okuhlosiwe wama-substrates avamile, indlela yokuhlola ngendlela efanele, kanye nendlela yokuxazulula inkinga uhlelo lokwelapha lwe-corona olukala oluphansi kunalokho obekufanele. Ibhalelwe ama-opharetha, onjiniyela bekhwalithi, nabaguquli abadinga izinombolo esikhundleni sokuqinisekiswa.
Yini Ekala Izinga LeDyne Empeleni
Ileveli ye-Dyne - ngokunembe kakhudlwana, amandla angaphezulu noma ukungezwani kokumanzisa - kuchaza ukuthi uketshezi luzosakazeka kangakanani endaweni eqinile. Ivezwa ngo-mN/m (ama-millinewtons imitha), okufana ngenani ne-dyne/cm endala, ngakho la magama amabili asetshenziswa ngokushintshana ezitshalweni eziningi.
Ama-polyolefin angalashiwe awawona-i-polar futhi aphansi ngamandla angaphezulu. I-inki, ingcina, kanye ne-coating ku-polar. Uma amandla angaphezulu engaphansi kokudonsa kwamanzi oketshezi, ubuhlalu buphakama esikhundleni sokusabalala, futhi ibhondi eyakhayo iwumshini kunekhemikhali - ibuthakathaka, futhi ijwayele ukwehluleka ensimini.
Kungani Izinga leDyne Libalulekile Kunamandla Omshini
Abathengi bavame ukucacisa isistimu yokwelapha i-corona ngamandla aphumayo ngama-kilowatts futhi baphathe leso sibalo njengommeleli wokusebenza. Akuyona. Izinga le-dyne elifinyelelwe lincike ekuhlanganisweni kokuminyana kwamandla, idizayini ye-electrode, isikhathi sokuhlala, izinga lokushisa lewebhu, umswakama, kanye nokwakhiwa kwefilimu ngokwayo.
Imishini emibili elinganiselwe ngamandla afanayo ingaletha amazinga e-dyne ahluke kakhulu ku-substrate efanayo. Ukucaciswa okubalulekile izinga le-dyne elitholwe ngesivinini esishiwo kufilimu eshiwo - hhayi isilinganiso se-kilowatt ku-nameplate.
Khomba Amazinga eDyne nge-Substrate
Amanani alandelayo ayizinjongo zokusebenza ezingokoqobo zokupakishwa okufanayo nokuguqula ama-substrates. Izidingo ziyahlukahluka ngoyinki othize noma into enamathelayo, ngakho-ke hlala uqinisekisa nomphakeli wakho kanye nezilinganiso ezingezansi.
| I-substrate | Izinga le-dyne eliqondiwe elijwayelekile | Inqubo evamile eya phansi |
|---|---|---|
| Ifilimu ye-LDPE / LLDPE | 38–42 mN/m | ukuphrinta kwe-flexo, i-lamination |
| Ifilimu ye-HDPE | 40–44 mN/m | amalebula, ukupakisha |
| Ifilimu ye-BOPP | 38–42 mN/m | amalebula, i-adhesive coating |
| Ifilimu ye-PET | 44–50 mN/m | metallising, enamathela |
| Ifilimu ye-PVC | 38–42 mN/m | shwabanisa imikhono |
| I-aluminium foil | 38–44 mN/m | lamination |
Kulandela imithetho emibili kuleli thebula. Okokuqala,{1}ukwelapha{1}}kakhulu kuyiphutha langempela: ukusunduza i-PET ngaphezu kuka-50 mN/m kungabangela ukuvinjelwa noma ukwehluleka kokuvala. Okwesibili, phatha okuqondiwe, hhayi kufika kumkhawulo ongu-- umgomo uyiwindi lenqubo, hhayi inombolo yokurekhoda.
Indlela Yokuhlola I-Dyne Level
Izindlela ezijwayelekile zilula futhi azibizi.I-ASTM D2578ihlanganisa ukuhlolwa kwengcindezi yokumanzisa kwefilimu ye-polyethylene ne-polypropylene, kanyeISO 8296ichaza indlela elinganayo yamafilimu epulasitiki namashidi. Kokubili kuncike esimisweni esifanayo: sebenzisa uchungechunge loketshezi oluhlolayo lokungezwani kwendawo okwaziwayo futhi ubheke ukuthi iyiphi emane imanzise indawo esikhundleni sokwenza ubuhlalu.
Amapeni e-Dyne ayindlela yasensimini eshesha kakhulu, kodwa anemikhawulo. Ithiphu yepeni ingangcoliswa, uyinki ungaguga, futhi umphumela uba yi-subjective uma u-opharetha eshesha. Kunoma yini-ebhekene nekhasimende, qinisekisa ngesethi entsha yoyinki wokuhlola kusampula ehlanzekile, futhi urekhode izinga lokushisa kanye nomswakama ngesikhathi sokulinganisa.
Imithetho esebenzayo yokufunda okuthembekile:
- Hlola uhlangothi olulashiwe, futhi ungalokothi uthinte indawo yokuhlola ngezandla ezingenalutho - amafutha esikhumba afundeka njengokuphansi okungamanga.
- Linganisa ububanzi bewebhu, hhayi kuphela emzileni ophakathi nendawo.
- Hlola phakathi nemizuzu yokwelashwa kulayini, futhi futhi ngemva kwesitoreji ukuze ubone ukuthi izinga libola kanjani.
- Sebenzisa isifanekiso esisha; sika isampula ehlanzekile kunokuhlola unqenqema oludabukile.
- Rekhoda inombolo, i-substrate, isivinini somugqa, nosuku.
Ukufunda Imiphumela: Amaphethini Avamile
Inombolo eyodwa ikutshela okuncane. Iphethini kuyo yonke iwebhu ikutshela okuningi.
Izinga elilungile phakathi nendawo, liphansi emaphethelweniukhomba ukuguga kwama-electrode, igebe eliwunqenqema, noma i-electrode engalingani-ukuze{1}}uginqe othintana naye.Ileveli ephezulu ekuqaleni kokugijima kanye nokuwa ngamahorangokuvamile kubonisa ukwanda kwezinga lokushisa lewebhu noma ukunikezwa kwamandla okukhukhulekayo.Izinga elilungile emgqeni owodwa futhi liphansi komunye usebenzisa ifilimu efanayoiphakamisa umehluko wokusetha imishini kunenkinga yokubunjwa.
Izinga lilungile ngokushesha ngemva kokwelashwa kodwa liphansi lapho umqulu uphuma ngemva kwezinsuku ezimbalwaukubola okuvamile, futhi yingakho uhlelo lokwelapha i-corona kufanele ngaso sonke isikhathi lubekwe eduze nenqubo engezansi njengoba isakhiwo sivuma. Kwamanye amafilimu,{1}}isiteshi sokwelashwa kabusha ngaphambi kwabezindaba siwutshalomali oluphusile hhayi ukunethezeka.
Ukuxazulula inkinga Uhlelo Lokwelapha I-Corona
Sebenza ngalokhu kuhlola ukuze uma izinga le-dyne elilinganisiwe lingaphansi kwethagethi:
- Qinisekisa ukulinganisa kuqala.Hlola ubudala bepeni, indlela yomsebenzisi, kanye nesampula yokuhlanzeka ngaphambi kokuthinta umshini.
- Hlola ama-electrode bese ugoqa.Ukungcola, ukwakheka kwe-oxide{0}}, nama-electrode agugile kunciphisa ukusebenza kahle kokwelashwa ngokuphawulekayo.
- Hlola igebe kanye noxhumana naye.I-Electrode-ukuze{1}}ikhiphe imvume kanye ne-engeli yokugoqa inqume isikhathi sokuhlala; amaphutha amancane emishini adala ukulahlekelwa okukhulu.
- Qinisekisa okukhiphayo kokunikezwa kwamandla.I-transformer ehlulekayo noma i-generator ingalahlekelwa ukuphuma ngaphandle kwanoma yiluphi uphawu olubonakalayo.
- Bheka ukwakhiwa kwefilimu.Izithasiselo ezishelelayo nezivimbela{0}}izivimbeli zithuthela phezulu futhi zicindezele ukwelashwa; i-resin eyenziwe kabusha ingadinga izilungiselelo ezihlukile.
- Hlola imvelo.Umswakama ophezulu kanye nezinga lokushisa eliphansi lewebhu kokubili kunciphisa izinga le-dyne elifinyelelwe.
Ukubhala imiphumela yalokhu kuhlola kuguqula imfihlakalo ephindaphindayo ibe inqubo emfushane, ephindaphindwayo.
Isondlo kanye nokunakekelwa kwe-Electrode
Uhlelo lokwelapha i-corona aluvamile ukuhluleka ngokuzumayo. Iyakhukhuleka, futhi ukukhukhuleka akubonakali kuze kube yilapho ibhondi ihluleka phansi komfula. Isimo se-Electrode siwukuguquguquka okukhulu, futhi sifanelwe isimiso esihleliwe kunokunakwa kuphela lapho kuvela izinkinga.
Hlanza ama-electrode ngesikhathi esinqunyiwe - masonto onke ezindaweni eziguqula uthuli, nyanga zonke kwezihlanzekile - usebenzisa inqubo nezincibilikisi ezishiwo umkhiqizi. Ukwakhiwa kwe-oksidi{3}nenkungu eyinki endaweni ye-electrode kunciphisa indawo yokwelapha esebenzayo, ngakho amandla ahlala engashintshi ngenkathi ukuphuma kokwelashwa kwe-corona kwehla buthule. Izindawo ezingaphansi kwe-Ground roll zidinga ukunakwa okufanayo: umqulu ongcolile ushintsha umgoqo we-dielectric futhi ushintsha imiphumela kuwebhu yonkana.
Rekhoda idethi yokuhlanza, ileveli ye-dyne elinganisiwe ngaphambi nangemuva, nanoma yikuphi ukushintshwa kwama-electrode. Ezinyangeni ezimbalwa leyo log ikutshela isikhawu sangempela sokushintshwa kolayini wakho, esikhundleni salowo osemininingwaneni. Iphinde ikunikeze ubufakazi lapho ikhasimende libuza ukuthi kungani iqoqo liziphathe ngendlela ehlukile: iphutha lokwelashwa kwe-corona elivela kulogi liyinkinga exazululiwe, kuyilapho elivela enkundleni kuphela ingxabano.
Gcina ama-electrode ayisipele, isethi yeziyinki ezintsha zokuhlola, nesimiso sokulinganisa esilinganiselwe esizeni. Isikhathi sokuphumula esichithwe silinde ukuthi i-electrode ifike ibiza kakhulu kunengxenye.
Uhlu Lokuhlola Ukucaciswa
Uma ucela ikhotheshini yesistimu yokwelapha i-corona, faka la maphuzu:
- Uhlobo lwe-substrate, ukujiya, nebanga lejubane lomugqa.
- Ileveli ye-dyne edingekayo ngesivinini esinensa kakhulu nesishesha kakhulu, hhayi nje phakathi nendawo.
- Ububanzi bewebhu, kufaka phakathi noma yikuphi ukunqunywa konqenqema, nobubanzi bokwelashwa okudingekayo.
- Inqubo ekhona: ukuphrinta, i-lamination, i-coating, noma i-metallising, kanye ne-inki noma i-adhesive chemistry.
- Ukufinyelela kwe-electrode yokuhlanza kanye nesikhawu sokulungiswa esilindelekile.
- Indlela yokulinganisa nokuthi ubani ozoqinisekisa ukuthotshelwa kokwamukelwa.
Umphakeli ocela le mininingwane ucacisa umphumela wokwelashwa. Umphakeli ocaphuna ama-kilowatts kuphela uthengisa ibhokisi.
FAQ
Q1: Iliphi izinga le-dyne elihle lokuphrinta ku-BOPP?
I-38–42 mN/m ububanzi obujwayelekile bokusebenza be-BOPP ngaphambi kokuphrinta kwe-flexo noma ukunamathela okunamathelayo. Qinisekisa inani eliqondile ngoyinki wakho noma umnikezeli we-adhesive, njengoba amasistimu asuselwa kuncibilikisi namanzi{3}ehlukile.
Q2: Kuthatha isikhathi esingakanani ukwelashwa kwe-corona?
Ibola ngokuhamba kwesikhathi, ngokushesha kwamanye amafilimu nasendaweni efudumele. Iziguquli eziningi zihlose ukusebenzisa ifilimu eselakiwe phakathi nezinsuku, futhi{1}}ziphinde zelaphe ngokushesha ngaphambi kokuphrinta umsebenzi obalulekile. Lapho isiteshi sokwelapha i-corona sihlala emgqeni obalulekile: lapho sisondelana nabezindaba, izinga liyancipha kakhulu ngaphambi kokusetshenziswa.
Q3: Ungakwazi yini{1}}ukwelapha ifilimu?
Yebo. Amazinga e-dyne aphezulu kakhulu angabangela ukuvinjwa, ukwehluleka kwe-seal, kanye ne-embrittlement ebusweni, futhi amoshe amandla. Phatha iwindi eliqondiwe kunokuba uphakame ngangokunokwenzeka.
Q4: Uyini umehluko phakathi kwezinga le-dyne namandla angaphezulu?
Bachaza impahla efanayo. I-Dyne/cm ne-mN/m ziyalingana ngezinombolo, futhi zombili ziveza ukungezwani kokumanzisa. Itemu yehluka phakathi kwezimboni, hhayi i-physics.
Q5: Yikuphi okujwayelekile okuhlanganisa ukuhlolwa kwe-dyne?
I-ASTM D2578 ihlanganisa ukuhlolwa kokungezwani kokumanzisa kwamafilimu e-polyethylene nawe-polypropylene, kanti i-ISO 8296 ihlanganisa amafilimu epulasitiki namashidi. Zombili zisekelwe oketshezini oluhlolwayo lwengcindezi eyaziwayo yendawo.
Q6: Kungani izinga lami le-dyne lehla emaphethelweni ewebhu?
Ngokuvamile ukuguga kwama-electrode, igebe elingalingani, noma ububanzi bokwelashwa obanele. Hlola isimo se-electrode kanye nokuqondanisa komshini ngaphambi kokwandisa amandla.
Q7: Ingabe ukwelashwa kwe-corona kulungele i-aluminium foil?
Yebo, futhi isetshenziswa kabanzi ukwenza ngcono ukunamathela ngaphambi kwe-lamination nokugqoka. I-foil idinga ukuphathwa okushisayo okucophelelayo ngoba iphatha ukushisa kahle, ngakho-ke izilungiselelo zokwelapha ziyahluka kumafilimu epulasitiki. Qinisekisa ukuthi isistimu yokwelapha i-corona icaciswe kuma-metallic substrates, njengoba ukumiswa kwama-electrode nomqulu akufani.
Isiphetho
Izinga leDyne ukuphela kwesilinganiso esithembekile sokuthi ngabe ukwelashwa kwe-corona kwenze umsebenzi wako. Setha ithagethi ye-substrate ngayinye, ihlole ngoyinki abasha usebenzisa indlela ebhaliwe, buka ukuthi inombolo iziphatha kanjani kuwebhu yonkana nangesikhathi, futhi ugcine umshini uhlanzekile futhi unegebe ngendlela efanele. Phatha izinga le-dyne njengengxenye yokulawula ukukhiqiza esikhundleni{2}}sokuhlolwa kokwamukela okukodwa, futhi ukucaciswa kokwelashwa kwe-corona ekugcineni kusho okuthile esitolo esikhundleni sesitifiketi. Linganisa umphumela wokwelashwa kwe-corona ngeshejuli futhi ukwelashwa kwe-corona kuhlala kuphindaphindeka, inqwaba ngemva kwenqwaba.
I-Shenzhen Hefengjiada Technology Co., Ltd. ikhiqiza amasistimu okwelapha ama-corona, izihlanzi ze-plasma, imishini yokuhlanza iwebhu, nezinqamuli ezimile zefilimu, i-foil, neziguquli zeshidi, okuhlanganisa{2}}ukugcotshwa kwewebhu okuwumngcingo,{3}}okumile kanye nekhabhinethi{4}}isitayela samajeneretha e-corona, kanye nezilungiselelo ezihlanganisiwe nezilengayo. Sithumelele i-substrate yakho, isivinini somugqa, nezinga le-dyne elidingekayo, futhi ithimba lethu lizocacisa uhlelo olulungile futhi lisekele ukuhlolwa kwakho kokwamukela.