Nekuwedzera kwekutarisa pamhinduro dzinochengetedza nharaunda mumakore achangopfuura, tiri kuona kudiwa kuri kukura kwezvivakwa zvinochengetedza nharaunda uye masisitimu emvura, kusiyana neanoshandisa zvinonyungudutsa. Kurapa kweUV tekinoroji inoshanda zvakanaka yakagadzirwa makumi emakore apfuura. Nekubatanidza mabhenefiti ekurapa kweUV nekukurumidza, yemhando yepamusoro netekinoroji yemasisitimu emvura, zvinokwanisika kuwana zvakanakisa zvepasi mbiri dzinochengetedza nharaunda.
Kuwedzera kutarisisa kwehunyanzvi pakusimudzira magariro ehupenyu
Kukura kusati kwamboitika kwedenda mugore ra2020, kuchichinja zvikuru mararamiro edu nemaitiro edu ebhizinesi, kwakakanganisawo kutarisisa zvinhu zvinogara kwenguva refu muindasitiri yemakemikari. Zvipikirwa zvitsva zvinoitwa pamatanho epamusoro ezvematongerwo enyika mumakondinendi akati wandei, mabhizinesi anomanikidzwa kuongorora nzira dzavo uye zvipikirwa zvekuchengetedza nguva refu zvinoongororwa kusvika padanho repamusoro. Uye zviri mumashoko akajeka mhinduro dzinogona kuwanikwa dzekuti matekinoroji angabatsira sei kuzadzisa zvinodiwa nevanhu nemabhizinesi nenzira inochengetedza nguva dzose. Mashandisirwo uye kubatanidzwa kwematekinoroji nenzira itsva, semuenzaniso kusanganiswa kwetekinoroji yeUV uye masisitimu emvura.
Kukurudzira tekinoroji yekurapa UV munzvimbo inotonhorera
Tekinoroji yekurapa UV yakagadzirwa kare muma1960 ichishandisa makemikari asina kukwana kuti iporeswe nekuvhenekerwa nechiedza cheUV kana Electron Beams (EB). Yakabatana neradiation curing, mukana mukuru waive instant curing uye hunhu hwakanaka hwekufukidza. Mumakore ekuma1980 tekinoroji iyi yakatanga kushandiswa pakutengeserana. Sezvo ruzivo rwekuti zvinonyungudutsa zvinokanganisa nharaunda rwakawedzera, kufarirwa kweradiation curing senzira yekuderedza huwandu hwezvinonyungudutsa zvinoshandiswa kwakawedzerawo. Maitiro aya haana kudzikira uye kuwedzera kwekushandiswa uye mhando dzekushandiswa kwakaramba kuripo kubvira ipapo, uye ndizvo zvakaitawo kudiwa kwezvinhu zvese maererano nekushanda uye kugara kwenguva refu.
Kusiya zvinonyungudutsa
Kunyangwe UV curing pachayo yatova tekinoroji inochengetedza zvakatipoteredza, mamwe mashandisirwo achiri kuda kushandiswa kwezvinonyungudutsa kana monomers (zvine njodzi yekutama) kuderedza viscosity kuti pave nemhedzisiro inogutsa pakushandisa coating kana inki. Munguva pfupi yapfuura, pfungwa yakabuda yekubatanidza tekinoroji yeUV neimwe tekinoroji inochengetedza zvakatipoteredza: masisitimu akavakirwa mumvura. Masisitimu aya anowanzo kuve emhando inonyunguduka mumvura (kungave kuburikidza nekupatsanurwa kweionic kana kusangana nemvura) kana erudzi rwePUD (polyurethane dispersion) uko madonhwe echikamu chisinganyunguduke anoparadzirwa mumvura kuburikidza nekushandisa dispersing agent.
Kupfuura kuputira kwehuni
Pakutanga, machira eUV anoburitswa mumvura ainyanya kushandiswa neindasitiri yekupenda matanda. Pano zvaive nyore kuona zvakanakira zvekubatanidza mabhenefiti kubva pakugadzirwa kwepamusoro (zvichienzaniswa neasiri UV) uye kuramba kwakawanda kwemakemikari neVOC shoma. Hunhu hwakakosha mukupenda pasi nefenicha. Zvisinei, munguva pfupi yapfuura mamwe mashandisirwo akatanga kuwana mukana weUV inoburitswa mumvura zvakare. Kudhinda kwedhijitari kweUV inoburitswa mumvura (inkjet inks) kunogona kubatsirwa nemabhenefiti ezvose zviri zviviri mvura inoburitswa mumvura (kusviba kwakaderera uye VOC shoma) pamwe neUV inoporesa (kurapwa nekukurumidza, kugadziriswa kwakanaka uye kuramba kwemakemikari). Kuvandudzwa kuri kufambira mberi nekukurumidza uye zvingangoita kuti mamwe mashandisirwo akawanda achakurumidza kuongorora mikana yekushandisa UV inoporesa mumvura.
Kupfeka kweUV kwakavakirwa mumvura kwese kwese?
Tose tinoziva kuti pasi redu riri kutarisana nematambudziko akati wandei ari mberi. Nekuwedzera kwevanhu uye kuwedzera kwemararamiro, kushandiswa kwemari uye nekudaro manejimendi yezviwanikwa kwava kukosha kupfuura kare. Kurapa kweUV hakuzove mhinduro kumatambudziko ese aya asi kunogona kuva chimwe chezvinhu zvinonetsa se tekinoroji inoshanda nesimba uye zviwanikwa. Matekinoroji echinyakare anotakura zvinonyungudutsa anoda masisitimu ane simba rakawanda ekuomesa, pamwe nekuburitswa kweVOC. Kurapa kweUV kunogona kuitwa nekushandisa mwenje yeLED ine simba shoma yeingi nependi dzisina zvinonyungudutsa kana, sezvatakadzidza muchinyorwa chino, kushandisa mvura chete se solvent. Kusarudza matekinoroji anochengetedza nguva dzose uye dzimwe nzira dzinoita kuti usangodzivirira pasi pekicheni yako kana sherufu yemabhuku nependi inoshanda zvakanyanya, asiwo kudzivirira nekuziva zviwanikwa zvishoma zvepasi redu.
Nguva yekutumira: Chivabvu-24-2024
