Indlela Yokubala Umthamo we-UV wokuphulukiswa kwe-LED (ukuqina × isikhathi)

Ekukhiqizeni izimboni, ukufeza ukuqedwa okungaguquguquki, okusezingeni eliphakeme kuncike okungaphezu kokuvula ukukhanya. Ukuqinisekisa ukuthi izinamathiselo zakho, ama-inks, noma ukumbozwa kufinyelela ubuqotho babo obugcwele besakhiwo, kufanele uqonde ubudlelwano phakathi kwamandla esibani sakho nesikhathi sokuchayeka.

Lo mhlahlandlela wezobuchwepheshe ugxile kumethrikhi eyisisekelo yomthamo we-UV, ukukunikeza amafomula aqondile nemininingwane esebenzayo edingekayo ukulinganisa umugqa wakho wokukhiqiza. Ngokuqonda lezi zibalo, ungaqeda ukukhubazeka okujwayelekile njenge-tackiness ebusweni noma i-delamination, uqinisekise ukuthi yonke ingxenye eshiya isikhungo sakho iphulukiswa ngokuphelele futhi ilungele isigaba esilandelayo somhlangano.

Yini umthamo we-UV ekwelapheni i-LED?

Umthamo we-UV ekwelapheni kwe-LED ubhekisa enanini eliphelele lamandla e-UV alethwa ebusweni ngesikhathi esinqunyiwe sokuvezwa. Kufanele ucabange ngakho njengamandla aqoqiwe ukuthi impahla yakho idonsa, kunokuba nje "ukukhanya" kwesibani ngomzuzwana owodwa.

Ngenkathi ukuqina kuhlinzeka ngamandla aphezulu adingekayo "ukushaqeka" ama-photoinitiators futhi aqale ukuphendula, umthamo unquma ukuthi kukhona amandla anele okuqedela ukuxhumanisa kwamangqamuzana kuwo wonke ukushuba kwengubo yakho. Ngaphandle komthamo owanele, ukusabela kwamakhemikhali kungama, okuholele engxenyeni eyomile phezulu kodwa ihlala uketshezi esisekelweni.

How is UV dose calculated using intensity and time?

Umthamo we-UV ubalwa ngokuphindaphinda ukuqina kwe-UV ngesikhathi sokuchayeka, okuvame ukuvezwa kule fomula elandelayo yesayensi:

$$E = P \cdot t $$

Kulesi silinganiso, i-$E$ imele ukuminyana kwamandla noma umthamo ($J / cm ^ 2 $), i-$P $ imele ukukhanya noma ukuqina ($W / cm ^ 2 $), kanti i-$t $ yisikhathi sokuvezwa ngemizuzwana. Isibonelo, uma isibani sakho siletha ukuqina kwe-2 W / cm² futhi ingxenye ihlala ngaphansi kokukhanya imizuzwana emi-3, umthamo oholela ngu-6 J / cm².

Lesi sibalo siyithuluzi elibalulekile lonjiniyela bokukhiqiza ngoba likuvumela ukuthi ulungise ijubane lakho lokuhambisa noma amandla esibani ngokulinganayo ukuze ugcine izinga lamandla lingaguquguquki. Ngisho nalapho izidingo zokukhiqiza zishintsha, ifomula iqinisekisa ukuthi izidingo zamakhemikhali ze-resin yakho zihlangatshezwana njalo.

Kungani umthamo we-UV ubaluleke kakhulu kunokuqina kuphela?

Umthamo we-UV ubaluleke kakhulu kunokuqina kuphela ngoba ukwelashwa kuncike kumandla aphelele alethwe, hhayi nje amandla asheshayo. Ungase ube nesibani esinamandla kakhulu, kepha uma ingxenye idlula ngaphansi kwayo ngokushesha okukhulu, amandla aphelele angase akwanele ukufeza "ukwelashwa" okugcwele.

Lokhu kuyiqiniso ikakhulukazi ezintweni ezijiyile noma ezinemibala lapho ama-photon kufanele ahambe ngezingqimba eziningi ukuze afinyelele ku-substrate. Ngakolunye uhlangothi, isibani esinamandla aphansi singavame ukufeza umphumela ophelele uma sinikezwe isikhathi esanele sokuhlala, njengoba umthamo ophelele ekugcineni ufinyelela embundleni odingekayo wekhemikhali lakho elithile lezinto ezibonakalayo.

Isikhathi sokuvezwa sithinta kanjani umthamo we-UV ekukhiqizeni?

Isikhathi sokuchayeka sithinta ngqo umthamo we-UV ngoba isikhathi eside sokuhlala sikhulisa amandla aphelele anikezwa ngisho nangamandla afanayo. Ohlelweni oluhambisayo, isikhathi sakho sokuvezwa sisebenza ngejubane lebhande nobude bomzimba bewindi lokuphulukisa lesibani se-UV.

Uma uphinda kabili ijubane lomugqa wakho, unciphisa ngempumelelo isikhathi sakho sokuvezwa nomthamo wakho ohanjisiwe ngesigamu. Kufanele ulinganise ngokucophelela isivinini somshini wakho futhi uyibhale njengengxenye yezinqubo zakho zokusebenza ezijwayelekile ukuqinisekisa ukuthi ingxenye ngayinye ithola umthamo omncane wamandla odingekayo ngumhlinzeki wakho wezinto ezibonakalayo.

Kufanele ufanise kanjani umthamo we-UV nezidingo zezinto ezibonakalayo?

Ukufanisa umthamo we-UV nezidingo zezinto ezibonakalayo kuhilela ukuqonda ukuzwela kokwelapha nokuqinisekisa ukusebenza ngokuhlolwa kunokuba uthembele kumanani ajwayelekile. Kufanele ulandele lezi zinyathelo ezisebenzayo ukuze uvumelanise inqubo yakho nezidingo ezithile zezinto zakho:

• Buyekeza i-Technical Data Sheet (TDS): Thola ama-joules anconyiwe ngumkhiqizi ngesentimitha ngalinye.
• Yenza izifundo ze-Ladder: Hlola izinto zakho ngesivinini esihlukahlukene namazinga wamandla ukuze uthole "iwindi lenqubo" elihle kakhulu.
• Yenza izivivinyo zokunamathela: Sebenzisa izivivinyo ze-cross-hatch noma i-solvent-rub ezingxenyeni eziqediwe ukuqinisekisa ukwelashwa kwesakhiwo.
• I-akhawunti ye-Pigmentation: Izinto eziminyene noma ezimnyama zivame ukudinga umthamo ophakeme kakhulu ukuphulukisa ungqimba oluyisisekelo ngempumelelo.

Yiziphi izici ezinganciphisa umthamo we-UV osebenzayo ohanjisiwe?

Umthamo osebenzayo we-UV ungancishiswa yizinto ezifana nokusatshalaliswa okungalingani, imiphumela yokushisa, ukuguga kwesibani, noma ukusethwa kohlelo okungafanele. Ungathola ukuthi noma ngabe isibani sakho silinganiswe ngamandla athile, ukungcola kwilensi noma ukwanda kokushisa kwesibani sangaphakathi kungadala ukuthi ukuqina kwangempela kwehle.

Njengoba ukuqina kwehla, umthamo oholela uyancipha ngokulinganayo. Kubalulekile ukukala amandla ebusweni bengxenye njalo usebenzisa i-radiometer elinganisiwe ukulandisa lokhu kulahleka komhlaba wangempela. Lezi zinguquko azibonakali ngaso sonke isikhathi ngeso lenyama kodwa zingaholela ekuhlulekeni okukhulu kwekhwalithi uma zishiywa zingalawulwa.

Ungaqinisekisa kanjani umthamo we-UV kuzicelo zangempela?

Ukuqinisekisa umthamo we-UV kuzicelo zangempela kuhilela ukulinganisa ukuqina, ukuqinisekisa isikhathi sokuvezwa, nokuqinisekisa ukusebenza kokwelapha engxenyeni eqediwe. Kufanele usebenzise i-radiometer eyenzelwe ngokukhethekile ama-wavelengths e-LED ukwenza imephu yamazinga wamandla ebhande lakho lokuhambisa.

Ukuqapha la manani ngesikhathi sokushintsha kokukhiqiza kukuvumela ukuthi ubone ukuthi isibani siyahluleka noma uma ijubane lakho lokuhambisa likhuphukile. Le nqubo yokuqinisekiswa iguqula umjikelezo wakho wokuphulukisa usuka "ekuqageni okungcono kakhulu" ube yisinyathelo sokukhiqiza esiqhutshwa yidatha, ukuvimbela ukuthunyelwa kwemikhiqizo engalapheki.

Yiziphi izinto ezibalulekile zokubala umthamo we-UV?

Izinqubo zokuphulukisa eziphumelela kakhulu zincike ekuqondeni okuqondile kobudlelwano phakathi kwamandla nesikhathi. Uthola imiphumela enokwethenjelwa kakhulu lapho uphatha umthamo we-UV njengemethrikhi yakho eyinhloko yokulawula ikhwalithi nokuphindaphinda kwenqubo.

• Umthamo wamandla aphelele: Njalo ulinganisa ngo-$J / cm ^ 2 $ ukuqinisekisa ukwelashwa.
• Ifomula eyisisekelo: Khumbula ukuthi $Energy = Ukuqina \ izikhathi Isikhathi $.
• Ijubane libalulekile: Ukulungisa ijubane lokuhambisa kuyindlela ejwayelekile kakhulu yokulawula umthamo endaweni yezimboni.
• Ukulinganisa kuyisihluthulelo: Sebenzisa i-radiometer ukuqinisekisa ukuthi isibani siletha lokho okuthembisayo ishidi ledatha.

Yiziphi izincazelo zesistimu ezithinta ukulethwa komthamo we-UV?

Ungafunda kabanzi mayelana nokuthi ukwakheka kwesibani kuthinta kanjani ukukhishwa kwamandla kumhlahlandlela wethu UV LED ukuphulukisa uhlelo specs.

How is UV LED dose calculated in practice?

Ukuze uthole izibonelo ezinemininingwane ethe xaxa kanye nama-nuances obuchwepheshe, vakashela ikhasi lethu ku UV LED yokuphulukisa ukubalwa komthamo.

Ngabe ukufana kokuqina kuthinta kanjani umthamo ohanjisiwe?

Uma isibani sakho "sinezindawo ezibandayo," umthamo wakho uzobe ungahambisani kuyo yonke ingxenye. Funda mayelana UV LED ukuphulukisa iyunifomu ukuze uthole eminye imininingwane.

How Does Lamp Temperature Influence UV Dose?

Ukushisa kungadala ukwehla kokukhanya, okunciphisa ngqo umthamo wakho. Hlola ubudlelwano phakathi izinga lokushisa lesibani nokusebenza kwe-UV.

Yiziphi izici zesondlo ezithinta ukungaguquguquki komthamo we-UV?

Amalensi angcolile noma ama-diode agqokile anganciphisa ukulethwa kwamandla akho. Landela i-umhlahlandlela wesondlo ukugcina umthamo wakho ku-spec.

Izindlela zokupholisa zithinta kanjani ukuzinza komthamo we-UV?

Ukugcina umthamo ozinzile kudinga ukuphathwa okuqondile kokushisa. Qhathanisa izinhlelo ezipholile amanzi futhi izibani ezipholile emoyeni.

Yini echaza uhlelo oluphezulu lokuphulukisa lwe-UV LED?

Ngezicelo ezidinga umthamo omkhulu ngesikhathi esifushane, funda nge- izinhlelo zokuphulukisa ze-UV LED ezinamandla amakhulu.

Imicabango yokugcina ekubalweni komthamo we-UV

Ukubala umthamo ofanele we-UV kuyibhuloho phakathi kwamakhemikhali we-theory nokukhiqiza okuphumelelayo. Ngenkathi ifomula ngokwayo ilula, ukusetshenziswa kwayo kudinga ukuqapha njalo maqondana nempilo yemishini yakho kanye nezimo zemvelo zefektri yakho.

Ngokubeka phambili amandla aphelele alethwe ($J / cm ^ 2 $) ngaphezu kwezilinganiso ezilula zokuqina, uqinisekisa ukuthi zonke izibopho zihlala njalo futhi zonke izibopho zihlala isikhathi eside. Njengoba izidingo zakho zokukhiqiza zikhula, le ndlela eqhutshwa yidatha izokuvumela ukuthi ukhulise isivinini sakho ngokuzethemba, wazi kahle ukuthi ungalungisa kanjani imingcele yakho ukuze ugcine ukwelashwa okuphelele ngaso sonke isikhathi.