He aha te tere whakamātātanga e hiahiatia ai e te tinta paraihe hei whakaprint i ngā uhi papanga?

Te Kōwhe o te Horahanga Whakapai i te Mahi Solvent Ink me te Whakapāwheratanga o te Whakaprinti

Me pēhea te tāmua i te kounga whakaprinti, te whakauru, me te tere whanaketanga

Ko te āhua pai o te tere whakamātutu o te tinta kaiwhakangao he mea nui ina hiahia ana koe ki te kounga tāpihi pai, te hāpai tika, me te whakahaere i te whakaputa kia pai ai te haere tonu. Ina whakamātutu tinta tino tere, hei tauira he iti ake i te 15 hēkona, kaore i te tino pakaru ki ngā kiriata polyethylene e mahi ana i runga i a mātou, arānei he tino tūpono kei te tinta e pakaru ana i te wā e whakamahia ana ngā taputapu tāpihi. Ko ngā take ka tū ina roa ake te tinta i te 30 hēkona te roa ki te whakamātutu. Ka tā ake tēnei i ā mātou tāwhai tere-whakamua ina tāwhai ana i te māmā ki te tāpihi i ngā wā katoa. Ko te wehe i ēnei take ka taea te whakaiti i ā mātou hua e 40% ina he nui ngā tāpihi e hiahiatia ana i te wā kotahi.

Ngā rerekētanga i ngā tikanga whakamātutu i waenganui i ngā tinta kaiwhakangao tūmau me ngā tinta kaiwhakangao eco ki runga i te polyethylene

Ko ngā tinta torehuruhuru tātai, e whakamahia ana i te tolune, i te hirihiri rānei, e māmā ana i te 20–25% tere ake i ngā kōwhiringa tinta eco-solvent ki te LDPE kāore i te whakarite. Heoi anō, e pai ake te mahi a ngā tinta eco-solvent ki ngā kiriata corona-treated ahakoa i te nuinga o ā rātou wā pātata (130–160°C vs 90–120°C), e tuku ana i tētahi whakaaetanga tūturu i waenganui i te iti ake o ngā whakaputanga VOC me te whakapai ake i te performance māmā.

Te whakatōtika i te tere māmā me te mōrearea o ngā ngoikera: te kiri, te pōpō, me te hau māu

Ina whakaputua tētahi pakanga mō te horoi, e toru ngā raru nui ka tū. Tuatahi, ko te kapinga o te mātāpuna inu he raru ina hua ana he kiri paku (kei te 0.5 ki te 2 mira mitamano te whānui). Ko te whakapae tēnei e herea ai ngā kaiwhakangao ki raro, ka hua ai ngā pōro. Ko tētahi atu raru ko te kōpōtanga o ngā pōro. Kua whakaaturia e ngā rangahau kua paku noa mai te raru ki te waru ki te iwa o ngā hinga o ngā upoko whakaputa i ngā punaha e horoi marino ana nā te mea ka paku noa ngā kaiwhakarewa ki roto i ngā pōro. Ā, kei te tāone anō hoki te raru ki te rere o te hau. Mēnā ka pāpaku ake te tere i te 3.2 mita ia hēkona ki roto i ērā whakaputanga horoi, ka hua he āpiti. Ko ngā pātītī inu iti (he iti ake i te 10 mira mitamano) ka uru ki te hau, ka pā ki te kapinga i ngā taputapu me ngā mātāpuna anō hoki.

Te wā tino pai hei horoi: 15–30 hēkona mā te 60–80°C mō te flexo me te rotogravure

Kua kitea e ngā akothatia ko te 22 ki te 28 hēkona ki te 70 tāpiri atu anō rānei i te 5 raupeka Celsius ko te pai rawa hei whakamātai i te tinta pāpaku ki ngā kiriata polietilēn e 40 ki te 60 mirirometimātia te whānui. Ina whakamātia ki roto i tēnei wā, ka pānuku te nuinga o te tinta, ka waiho noa i te kaiwhakauru whakamātai i raro i te 0.3 ōrau. Ko te āhua o te mata ka tūhono tonu, me te rerekētanga o te mārama e noho ana i raro i te 5 ōrau mai i te kotahi ki te kotahi. Mō ngā whakahaerenga taarua rotogravure, ka hōhonu ake te tere o ngā mea nā te mea ka mahi ratou ki te kiri tinta tino whakamātia e 8 ki te 12 mirirometimātia te whānui. Ko ēnei tautuhinga e hiahiatia ana ko te 15 ki te 20 hēkona anake. Ko te taarua flexographic e roa ake te wātā nā te mea ko ngā kauta tinta he whānui ake, e hiahiatia ana ko te 25 ki te 30 hēkona hei whakamātia tika ina hāngai ana ki ngā kiri e 15 ki te 20 mirirometimātia te whānui. Ko ngā kaiwhakahaere umanga e whakamahi ana i te arotake inaianei i te wa o te whakaputa e kii ana i te whakapai ake nui. Ka kitea e rātou ko te nui o ā rātou mahi anō e iti i te ruatekau mā whā ōrau i ngā wā kāore i te tika te whakamātia.

Ngā Āhuatanga Kaiārahi me Tōna Whaitua ki te Maroke ai i ngā Inka Tōnuitanga

Ngā Ukaipotanga Kaha Ake me ngā Kiriata LDPE me HDPE

Ko ngā kiriata LDPE me HDPE e whai ukaipotanga whakakaha ana i runga i te iti o te kaha mata (30–34 dyne/cm), e hua ai te iti kē o te whakakaha maroke ai, me ngā ukaipotanga pērā i ngā kōpiko me te iti ake o te kaha o te tae. Hei whakawātea i tēnei, me nui ake te kaha mata o ngā inka tōnuitanga i te 30 mN/m. Ahakoa tēnā, ko te roa o te kaha o te kaha ki ngā kaha o waho he iti noa tonu ki te kāore he whakapai ake i te mata.

Ko ngā Mātāpuna Kua Whakapai me Kāore: Ngā Whaitua ki te Whakapuru Inka me te Ūrite o te Maroke

Ko ngā kiriata kua whakapai e whakapai ake i te ūrite o te maroke i te 40–60% i ngā kiriata kāore i whakapai, berlhan i ngā takotoranga itiiti e whakahaere ai i te whakapuru tōnuitanga. Ki runga i ngā mata kāore i whakapai, ko te 70% o te tōnuitanga e pānuku ana pūmau ki runga ake i te takotoranga inka, e hua ai te mōrearea o ngā pōro. I te wehenga, ko ngā kaiārahi kua whakapai e āwhina ana i te kākano taraweti, e āwhina ai i te maroke ūrite ake me te kaha ake o te takotoranga.

Whakapai ake i te Kaha Maroke Trūna te Whakamahinga o te Corona me te Whakapai ake i te Mata

Ina tāpirihia e mātou te corona ki ngā taputapu LDPE, HDPE rānei, ka piki ake te kaha o te mata ki waenganui i te 38 ki te 42 dynes ia centimetre troughte ngā tikanga o te oxidation. E pai ake ai te here o ngā mata ki ngā inka papaku. I āta whakaatu mai ngā whakamātau arotake he nui kē te whakapai ake i te wā e 50 watts ia mita tapawhā te corona. I iti ake te wā mō te horoi i te kaupeka, i pai ake te here, ā, i iti ake ngā ngoikera. Kei te pai hoki te mātātoko irirangi engari kāore i te rite ki te whakapai ake i ngā inka. Mō ngā mahi whakaputanga u kaupeka tere, mā te whakakotahi i ngā tikanga mō te tōaitanga me ngā papaku hou e āhua tere ai te horoi, heoi anō kāore i te paku noa te āhua (he iti ake i te 2% te hauātanga e whakaaetia ana).

Ngā Tikanga Aronui, Tikanga Huihuinga Hoki E Pa Ana Ki Te Horoi I Ngā Papaku

Te Whakahaere i te Roimata o te Wāhi me te Hau Hūhū i ngā Taiao Whakapāpaku Tere

Whakamahia ngā tikanga o te wāhi ki te 22–24°C me te 45–55% RH hei whakapumau i te tere whakamātenga. Ko te nui o te hau hūhū e whakaputua ai te whakapāpaku, e whakapai ai i te pāpaku o te inu ki runga i te polietilēna, i te nui hoki o te hau hūhū e whakarahi ai i te tere whakamātenga me te nui ake te mōrearea o te pāpaku. Ko ngā taiao kua whakaritea e iti ake i te 18–22% te maha o ngā ngoikera ki te tā compared to those without regulation. Ko ngā kaiwhakauru wātūturu e āwhina ai i ngā rerekētanga ā-hauwhānui, e iti ai te wā kāore i te whakamahinga.

Te Whakapai ake i te Hau ki roto i ngā Tūnel Whakamātenga hei Whakakaha i te Whakakaha me te Misting Ink

He pai te whakahaere i te hau e iti ai i te raru o te āhua kōpae e hinga ai pea te rahi o te 12 ki te 15 ōrau o ngā rawa i te wā o te mahi inipere. Ina tukuna tika ngā pōro, āwhina iho i te hau kia tōtika anō ki te āhua, kia tū tonu ai te wā māmā i roto i ngā rua tinihau. Ko te tikanga o te pūnaha tāwhaiwhai e hinga ai i ngā kaiwhakangungu pērā i te toru tekau ōrau tere ake i ngā tikanga ake o mua, kaua ko te tāone hau tū, katoa anō horekau te whakapā ki ngā āhuatanga. A, mō ērā e mahi ana ki ngā rawa LDPE pāmahana iti, he tino nui te whakauru i ngā raru ki raro i te rima ōrau kia kaua ko te kiri inu e raru.

Te Infrared vs. Te Hot Air Drying: Te Whakamahinga Pūngao me te Tikanga Māmā Tikatanga o te Whakamāmātanga

Ko te whakapai a-infrared e whakamahi ana i te hiko e 30 ki te 40% iti ake i ngā rōpaku hau makariri hauwhā tawhito nā te mea e whakapai ana i te takotoranga tinta tika kaua ko te whakapai i te taiao katoa. Engari he uaua ina hurihia ki ngā mata kāore he ōrite. Ka taea e ēnei te arai i ngā wāhi e pānui ana, i te wātā e pānui hoki ana i runga i te 90 neketa Celsius, e taea hoki e te raihe te whara i te raihe. Kei te māmā ngā mahi inaianei i ngā tikanga takotoranga e whai ana i te infrared hei whakapai i te takotoranga tuatahi ā muri ka huri ki te hau makariri hei whakapai i ngā takotoranga whakamutunga. Ko te takotoranga tēnei e whakapono ana i ngā taumata whakapapa e 5% rite tonu ana i te hua katoa ā mātua e whakaora ana i te kapa e 25% o ngā utu hiko. Ko te nuinga ka whakamāmā te infrared ina hurihia ki ngā tātai e whakapai ana i mua i te mahi. Ko te hau makariri e pai ake ana mā runga i ēnei kiri e whakapaihia ana e te mātāpuna hauwhā i te mata e nui ake i te 38 dynes ia centimetre.

Ngā Tukanga Whakatakoto Tuhinga hei Whakahaere i te Tere o te Whakamātutu

Te Whakarite i ngā Kauta Whakakī: Kaupeka, Kauta Pakanga, me ngā Kauta Kātata

Ko te whiwhi i te whakahaerenga whakamātutu pai ka hoki mai ki te kimi i te tātai tika o ngā kauta. E toru ngā kāwai matua hei whai mōhio: ngā kaupeka pērā i te acetone, ngā kōwhiringa tere pērā i te ethyl acetate, me ngā kauta e whakamātutu pōhara ana, kei roto i te propylene glycol methyl ether. Nga tāngata nui pea e mōhio ana ko te whakauru i ērā i roto i te 70/20/10 tātai e mahi tino pai ana kia mātutu ngā mata i roto i te 15 ki te 30 hēkona ina mahi me te polyethylene i te tata ki te 60 digiriti Celsius. Ko ngā kauta whakamātutu tere ka tīmata ki te mata, engari ko ngā kauta e noho pōhara ana kei te whai mahi nui ki raro i te mata. Āwhina ana kia kaua e pa ki te 'skinning' mā te whakaaetia i ngā kauta kei roto e wehe atu ai kia māmā ai kaua ko te noho noa atu ka whai raru ai i muri mai.

Te Whiriwhiri i te Resin me te Ngota hei Whakauru Pakari i te Rerekētanga i te Wā o te Whakamātutu Tere

Ko ngā harakeke akrilik me ngā harakeke nitrocellulose e tōia ana mō te pūmahara ki te pāmahara i ngā tikanga horoi tere, te pupuri i te whakawhitinga pigment hoki kia noho tonu te āhua o te evaporation rate kei runga ake i te 0.5 g/m²·s. Ko ngā pigment micronized (<5 μm) e iti ake ai te ngota e 40% tērā i ngā kōtaha tūmatanui, kia tū tonu ai te tae i ngā rere tere.

Ngā Tāpiritanga Ka Whakarerekē I Te Horoi Kaore E Ngaro I Te Whakamā, Te Mārama Rānei

Ko ngā kaiwhakarewa hauhake (0.5–1.5% e weight) e whakapai ake i te rite me te whakarahi i te wā tuwhera e 8–12 hēkona. Ko ngā tāpiritanga hua urethane e aki ai te noho tonu i te mārama o te 85 me te pupuri i te 200% roa i te pakaru, he mea matua mō te whakauru whakarewa e hiahiatia ana kia tūpato.

Te whakaiti i te poka noho poka me te kiriaki i roto i ngā punaha tinta kawe tere horoi tere

Hei whakaiti i te huihuinga o te papa noho, me whai iti i te 3% VOC ngā inki pāwhara kaha. Ko ngā kaiwhakauru cyclohexanone ka whakamahia hei kaiwhakauru e iti ake ai te maha o ngā take kiri e 60% ki ngā pana torehuruhuru e haere ana i te 200m/ meneti. Te tūhono o ngā rārangi inki i waenganui i te 45–55°C e whakawātea ana i ngā pikinga o te uauatanga i mua i te wā e mafai ai te whara i te pepe.

Te ine me te whakapai ake i te mahi horohoro hei whiwhi i ngā hua tōtika

Te arotake tūmatanui me ngā kaiwhakamahi IR me te tātai whakamā

Ko ngā kaiwhakauru IR me ngā kaiwhakamā kapaiti e tuku ana i te korero tonu mō te horohorotanga, e kite ana i te rahi o te kaiwhakauru e toe ana ki roto i te 0.5% rerekētanga. Kātahi ka whakaurua ngā raru o te māmā (± 5 ° C) me ngā tere o te kawe waka, kātahi ka āwhina i ngā kaihanga e iti ake te maha o ngā tākarotanga whakaputanga mai i te raru rānei te here rānei i te 18–22% tērā i mua i te tātaritanga ā-ringa.

Te whakamahi i te Hoahoa Whakamātau (DOE) hei whakapai ake i ngā tātai horohoro

Ko te whakamahi i ngā tikanga pāngarau pērā i te Hoahoa Whakamatautau (DOE) e āwhina ana i ngā kaihanga e whakapai pono ana i ā rātou tikanga whakamātai i te āhua tūhono. I te rangahau hou mai i te Pukapuka o ngā Tikanga Whakaputa Huihuinga i te tau 2024 kua tirohia tēnei me ngā uhi polyethylene. I whakamahia e rātou te arataki matawhāiti e rapu ana i te tātai tika: kei te 68 kai Kelvin te hihiani o te wāhi noho, kei te 2.2 mita ia hēkona te hihiani o te hau, me te noho tūmau i te 23 hēkona i mua i te neke atu. Ko te otinga hoki, kua iti ake te kaihoko pūngao i te toru huihuinga tāpiri i ngā tikanga noa. I te wā kotahi i whakauriaia hoki te kounga tikangia me te 99.2% o te kaihono ink i te uhi i muri i te neke atu i te 12 haora.

Te whakatau i te kaha o te whakamātai i runga i te tere o te pēhi me te kaha o te tioata

Kua whakatakotoria e ngā kaihapi kapa tuatahi mā te whakamātau i te mahi a te tinta kaiwhakarewa i ngā tere pana (150–550 fpm) me ngā rahi o te kiri tinta (1.8–2.5 μm). Kua whakaatu te rara e pā ana ki te 400 fpm, ka tāpahia te taumaha o te tinta ki te 0.3 g/m³ hei aukati i te kaihapi kaiwhakarewa i te wā e manawa tonu ai te kaha o te kiri me te tango atu i te whakamahinga o te kaiwhakarewa ki te 19%. Āwhina ana ēnei tātaitanga i te tere ake o te huihuinga kāore i te whakakaha i te katoa o te horohoro.

Nga Pātai Ake (FAQs)

He aha te wā tino pai hei horohoro i ngā tinta kaiwhakarewa?

Ko te wā tino pai hei horohoro i ngā tinta kaiwhakarewa, ā, he tino nui ake mō ngā kiri polietilēna, ko te wā e 15 ki te 30 hēkona, e whai ana ki te tikanga tuhituhi me te rahi o te kiri.

Me pēhea te whakapā ki te horohoro tinta a te tōkiri?

Ko te tōkiri e nui ake ai te kaha ake o ngā kiri pērā i te LDPE me te HDPE, ka pai ake te kaha o te tinta me te whakamāmā i ngā wā horohoro.

He aha ngā raru o te horohoro tinta tere?

Might lead to issues such as skinning, clogging, and misting, which can affect print quality and increase machine maintenance.

He aha i tūhono ai te here i ngā tikanga o waho i te māme?

Kei te whakapono i ngā wa pāpaku me ngā taumaha o te hau, ka tūtohu i te tika o te māme, ka iti ake ngā ngoikera, ka pai ake te mahi.