He aha ngā āhuatanga e pa ana ki te kounga o ngā hua tāwhai?

Ngā Paparorohiko Whakaprint Paraire: Ko te Turanga o te Whakapono o te Whakaahua

Me pēhea te pānga ake o te matāpuna ki te mārama o te whakaahua me te roa o te whakaprint paraire

Ko ngā papa photopolymer kei te tango i te wāhi anuanu hoki ki te whakaprinta modern flexographic i te mea kei te tautohe i te tika kia whiti kia mau hoki me te āwhina i ngā āhuatanga iti nei ka pai ai te āhua o ngā tapa whakaprinta. Ki te kōrero mō te rahinga, ko ngā papa mai i te 1.14 ki te 2.84 mirimita te rahi pai hei whakaprinta roa ake i ngā papanga kōpaha pērā i te pepa rārangi. Ko ngā papa iti ake, mai i te 0.76 ki te 1.7 mirimita te rahi, ka whakapai tino pai i te whakaprinta o ngā tapanga whakamārama i ērā wā e 150 ngā raina i te ōrahi ka taea te eke. I tētahi rangahau hou i te tau 2023 kua kitea ko ngā putanga motuhake o te photopolymer e herea ai te whakauru o ngā kaiwhakarewa ka iti ake te raru o ngā pātuki umu ki te 18 ōrau ina whakamahia mō te wā roa ki te whakaprinta huihuinga e whā ngā tae ki te tata ki te papa paraihe tawhito.

Te Kōwae o te Whakapapa Papatu ki te Whakapāpaku Tāpoi me te Kauta Kauta

E ai ki te Pūrongo Whakaputa Mātātoko Flexographic hou ake i te tau 2024, kei te hapa whakaputanga paparorohiko e 9 ki te 10 hapa whakaputa. Ko te whakapuatanga hou o te hangarau AM/FM huinga hou e āwhina ana i te whakaputa i ēnei wāhi māmā 1% i ngā wā katoa, ā, ina hui tātou ki ngā paparorohiko uaua hoki. Ko ngā kauwhata whakapā ana LED hou e whakapono ana i te rahi o te paparorohiko i roto i te 2 microns i te nuinga o ngā kōtaha e 50 paparorohiko. Ko tēnei momo whakahaere tino whakapono he mea nui kia taea ai te tōtika i ngā wā katoa.

Matapihi vs. Matapihi Paparorohiko: Te Whaitua ki te Whakapono me te Tōtika

Ko te whakaahua matihiko e whakakaha ana i ngā whakapōkai kino o te kiriata ka taea te whakauru i te whakauru tika ki te tata ki te ± 0.0015 inihana, he nui ake i te mea e taea ana e ngā tikanga anōrama ki te ± 0.005 inihana. Ko te whakakōwhainga rama hihiani hoki te kaiwhakarewa i te ara, e whakarewa ana i ngā āhua iti rawa e 10 micrometers. E āki ai tēnei i ngā kaihanga e hanga i ngā tuhinga itiiti 200 ngā raina i te inihana e nui ana kia herehere ngā pirihimana, ina nui ake ko ngā pakihi huarahi rongoā kei te tika te āhua. Ko tētahi ingoa nui ki te pakihi pakihi i kitea hoki te iti ake o te nuinga o te wā i te paku 40% i muri i te neke ki ēnei papa matihiko penei i ngā papa hihiani tūmatanui tūturu. Kāore ngā tāke kia māmā noa i te pepa e hāngai ana ki te moni tino kua tiakina me te iti ake ngā upoko pōuri i te wā o te whakangao.

Ngā Koinuwhenuwhenu o te Whakaprinta mai i te Whakaputanga Paparorohiko Kino me te Whakapōkai Whakapōkai

Tauira Koiora: Whakapai ake i te Ūwitiwhiti Tuwhera Ki te Whakahaere Whakapae Paparanga Tūmataitanga

Ko te kaihanga pakonga whakarewa i te tōaitanga o te inu ink mai i te 0.28 ki te 0.12 ΔD na te whakamahi i ngā mea e whai ake nei:

• scanning topography paparanga 3D i mua i te whakamau
• Whakarerekētanga māmā UV ā-tinana i te wā o te whakapaku paparanga
• whakarāwekenga paku mākū paparanga 7-pūwaha

I te $2.7M hoki mai i tēnei ka taea e 14 marama te utu anō hoki nā te 62% te iti ake o te waihanga pāpaku.

Ngā Karikari Anilox me te Whakawhitinga Inu Tika

Te āhua o ngā wāhanga me te rahi: te whakahaere i te kapi inu mō te kapi tāruatanga

Ko te āhua me te rahi o ngā wāhanga ki roto i ngā karikari anilox kei te tāheke nui ki te āhua o te whakawhitinga inu i te wā o ngā mahi whakaatu. Ki te kōrero mō ngā wāhanga tapawhā rite, ko ngā mea e 2 ki te 8 BCM per square inch te rite o te pōpōke he nui ake te tūpono o te wehe inu tūturu i te wā o te whakaatu. Ko ngā wāhanga poto he nui ake te tūpono o te kapi inu iti, ā, ki te pōpōke ake ka māmā te nuinga o te inu. E ai ki ngā whakamātau hou kua whakaputua ki te Label & Narrow Web 2025, he iti ake te whakamahi inu i te 18% te rahi o te hoahoa ā-patu GTT 2.0 hou, kaua ko te kounga. Kua whakaatu hoki ngā whakamātau e 0.15 te rite o te kotaha i roto i te 1,000 mita katoa o ngā mahi whakaatu, he mea nui tēnei ki te nuinga o ngā tikanga o te wāhi mahi.

Ngā pāngarara o te whara anilox pōno ki te whakarere i te tinta me ngā ngoikera o te tuhinga

Ko ngā kāpua anilox pakaru, kua pakaru rānei ngā kāpua e whakaroa i te tātai tika i te tinta, e hāngai ai ki te kōpū ki ngā takotoranga me ngā pāpaku takotoranga takotoranga. Ina eke ngā kāpua kua pakaru ake i te 5% o te rahi o ngā kāpua katoa, ka piki ake te pāmu o te 22% nā te maha o ngā wā e totohu ai te pēhi hei whakamau i te pōno (Flexopedia 2024). Ko te whakamahi i te whakamau reo irirangi ia 250,000 tā karu e whakarite ai i te kāpua kia kaua e pakaru mai te toto UV.

Te whirihau i ngā whakaritenga anilox ki te whakaputanga whakaputanga me ngā hiahia kua whakaritea

Kei te hiahiatia tētahi kaha o te āhua (he iti ake i te 2.5 BCM/in²) hei whakapakari i ngā kiriata polyester hei kaha ake te āhua, i te wā e hiahiatia ana tētahi kaha o te 6.0 BCM/in², neke atu rānei hei whakapai i te kaha o te tūpuna.

Ko te āhua o ngā rōpere anilox ki te āhua o te rerehua hei whakapai ake i te kaha o te kaha me te roa o te wā

Kei te roa ake ngā karu anilox ki ngā karu chromium e 3 ki te 5 ngā wā ina whakamahia ngā karu anilox ki ngā karu ceramic. Ko ngā whakamātau ake i te ao hōu e whakaatu ana i ēnei āhua karu ceramic e ngaro ana i te 0.02 microns ia tau ina whakamahia ana ki ngā tinta pātai tūtohu, i te wa e 0.15 microns ia tau te wehe o ngā tauira tawhito. Ko te uaua o te rino ceramic anō hoki ko te 1800 HV, arā ko te uaua ki te tātaku i ngā paparua e āhua ai te wehe. Ko te mea hira ake, kei te pūmahara tonu ngā karu i te rōrahi o ngā wā kua tākarotia e 12 miriona, ā he mea tino uara tēnei ki ngā umanga whakapātai rahi i te wā e nui ana te tatau.

Ngā Tira Tinta me te Whakapapa Pūmau i te Tākiri Flexo

Te Whakareatanga i ngā Tinta Flexo e Pātai ai, e Hurihia ana, UV, me ngā Tikanga Motuhake

Kei te whanui haere te kōaro i ngā inu tā karawhiti ā-nōhanga. Ko ngā mea kua hangaia ki te wai hei kaihāpai matua e tū mai ana i ngā kikorangi kua whakakaha hoki ai te wai. Ko te aronga o te nuinga o ngā kaihanga ko te whiriwhiri i ēnei mō ngā tono pakipu kai kei te nuinga o te haumaru, mai i te iti ake o ngā kohinga takotoranga takitahi e whakaputangia ana ki te hau. Kei te ētahi atu anō hoki ko ngā kikorangi pātai e mahi pai ana ki ngā taputapu pērā i ngā kiriata hiriwai mai i ō rātou uara whakarewa tere mai i ngā mirumiru rakau. Mō ngā hiahia tapa kaihauturu, ko ngā inu UV e whakapai ai i te rā anō nei kua rite ki te rongonui. Ko ēnei whakarewanga motuhake e whakakaha ana tāpiripiri ina tūhono ki te rā ultraviolet, e whakapai ai i te iti o te whara i te wā e whakamahia ana. Ā, kaua hoki e wareware ki ngā hua tāoneke, pērā i ngā inu e hāngai ai i ngā pātītī hirangi iti e whakamahia ana i ngā paparorohiko huihuinga me ētahi atu huinga hiko.

Te Viscosity Ink: Ko tana tuara herekai ki te whakaputa i te ōrite me te whakauru i te uara

Ko te kaha o te whakawhitinga ko te kaipupuri matua o te tika o te whakawhitinga inu. I kitea e te rangahau i tākarotia ki te Chemical Asian Journal (Gencoglu et al., 2012) i whakapā ake i te 18% te whakapā o ngā pāpaku inu ina heke haere te kaha ki waho i te ±10% ka hua mai hoki i te kiriata kātata. Ko te whakauru i te kaha tika (he tata 20–200 cP) te whakapumau i te takotoranga tāwhai mō ngā rere tere āwhānui ka whakamāmā i te kaihuna.

Te Kaha o te Rarangi me te Whakakaha i te Papa: Ngā Kī ki te Whakauru Inu Kotahi

Ko ngā papanga e iti ake ana i te kaha mata o 38 mN/m—ka tōaitia hoki ki ngā kiriata polietilēni—me te whakawhitinga a corona hei whakapai ake i te whakakaha. Ko ngā inu i hangaia me te kaha mata i waenganui i te 28–36 mN/m e 90°±5° te kōtuku kapinga, ka tūtohu i te āhua o te tapa parakore ka whakamāmā i ngā ngoikera pērā i ngā kōpiko me te takotoranga kāore i te ōrite.

Te Whakamahi i te Aratau Whakahaere Kaha Kua Ora hei Whakapapa Kaiwhakamahi Inu Flexo

Kua whakauruhia ngā kaiwhakamahi aroturuki ki ngā pūnaha tukatuka kaiwhakapai hei whakaiti i te nekehanga o te kōtai mā te 75% i ngā whakamātau pēpi. Kātahi ka tūtohu ngā rautaki tāutanga hei whirihora i te rere o te tinta ki te tākarotia ki ngā panoni o te wera me te whakaputanga o ngā kaiwhakapai, kia kūmau ai te angamua tūturu i te tūhono haere i ngā whakahaerenga 24/7.

Ngā Āhuatanga Kaiāwhina me ngā Whakapāpaku Whakapā

Te Māme ki runga i ngā Kiriata Hāngai Iti: Te Whakawātea i ngā Aronga Māuiui

Ngā tāpapa pēnei i te polietilēna (PE) me te polipropilēna (PP), kei te whai pāngaru māmā o rātou, e wehe ai i te tinta nā te mea kei te wai-iti noa iho te whakapā. Ina titiro ki ngā tau tūturu, kei te whai uara mō te 38 dyne/cm te pāngaru mō te mata o ngā kiriata he whai tikanga mai i te 40% ki te 60% nui ake ngā raru ki te tinta e pā ana ki te tātanga i ngā kiriata i te tika te whakahaere. Kei te nui ngā kaihanga e whakamahi ana i te whakahaerenga aitua korona hei rautaki matua. Ko te tikanga o te whakaputa i te pāngaru mata e 8 ki te 12 dyne/cm te nui ake mā te whakapai ake i ngā rironga. Engari kei te etahi atu hoki e āhua. Mō ngā kamupene e mahi ana ki ngā tinta UV-flexo, kei te nui ake te whakamahi i te tōaitanga o mua. Ka whakapai ake i te ōwe i te tātanga e 97% ki runga i ēnei kiriata pāngaru iti. Me pēhea? Mā te whanake i ngā hanganga iti rawa e tūturu ai te tinta ki te mata. He nui te take ki ngā tono pakete kei reira te kounga tātanga tūturu he mea matua.

Ngā Rawa Dyne me te Kaha o te Mata: Te Whakapōturi i te Anga Whakauru

Ko te āki mō te mātai i te kaha o te mata he mea nui; he substrate heke iho i te 36 dyne/cm e hiahiatia ai te nuinga o ngā kaiwhakapiri, heoi anō hoki ngā kaiwhakapai ake. I whakaatu tētahi tāparo kaha mai i te tau 2023 ko ngā raupapa dyne mai i te 38 ki te 42 te pai ake ai te kaha o te tūturu. Ko te whakamahi nui (>45 dyne/cm) e mōhiotia ai te mata ka heke te kaha o te hononga mai i te 15 ki te 20%

Te Whakahaere i te Rerekētanga o te Papanga ki ngā Rereke Rereke o te Rereke Flexo

Ko ngā punaha anō hōu ka taea e ngā punaha mātātoko ake i ngā rerekētanga iti rawa o te kaha o te mata, kei te taha o ngā 3 dyne per cm, i a rātou e neke haere ana i ngā rōpere whakaputa. Ina kitea e ēnei punaha he mea e kore ana, ka whakatikatia tātou i te kaha o te tinta i taua wā. He aha tēnei e whai tikanga ana mō te kounga? Mai i ngā whiriwhiringa, i whakaatu ko te whākore i te tata ki te kauta tērā pea i ngā ngoikera o te taarua ina hāngai ana ki ngā taputapu uaua pērā i ngā taputapu whakarewa. Me kaua e wareware hoki ki te pepa hua hoki. Ko ngā kaiwhakauru porosity hoki ka tū ake i konei anō hoki, e whakatika ana i ngā tautuhinga kia taea ai e te tinta te whakauru tika, kei te taha o te 0.02 ki te 0.03 mirimita te roa. Ko te tika tēnei ka tino rerekē ai te kounga o te hua mutunga.

Coated vs. Uncoated Substrates: Performance in High-Speed Flexo Applications

Ka taea e ngā papanga kua whakapiria te 60% tere ake te whakapai ake tru ngā aronga kapuka, i te wā e hiahiatia ana ngā papanga kore-kiriata kia whai inki kia iti ake te uara kia 12–15% hei teitei te āhua o ngā tapa. Ko ngā tāpari hou ka whakaatu i ngā kiriata huinga e iti iho ana i te 30–50% karekau tāarua i te wā o te whakawhitinga mahi.

Ngā Take Taiao, Rāwekenga, me ngā Mea i Mua i te Whakaputanga i te Tōwātanga o te Tāarua

Me pēhea e ngā Paninga me ngā Hau Umukanga Ngā Whakapakoko o te Pāpaku me te Whanonga Inki

He nui te whakahaere i te waihanga o te taiao kia tūmau hei whakarahi i te āhua tika i te wā e whakamahi ana i te mātāpuna rere. Ina heke te hau, ka pā ki te papa photopolymer te nuinga o te wā i waenganui i te haurua o te ōrau ki te tahi ōrau anō pea ina heke ake te nui ake i te 55% rōpuna kua whakaputua e te Rōpū Huinga Mātāpuna i te tau ki muri. Ko te pā ki te rerekētanga o te rahi o te papa ka hua mai i te raru o te rerekētanga o te rahi e mōhiotia ana e ngā kaiwhakamātāpuna. Ko te māmā hoki ka hua mai i ngā raru nui ake i te wā e heke ake i te 20° Celsius, nā te mea ka pīroiroi ake te tio (15-30%) ka pā ki te kaha o te tio ki te rere ki runga i te papanga ka hua mai i te tā mātāpuna. I te tau 2021 i kitea e te ao huihuinga he mea hou. Kua kitea e rātou ko te noho i waenganui i te 22 ki te 24° Celsius me te whakahaere i te rōpuna ki waenganui i te 45-55% ka heke i te raru o te tā mātāpuna i te rite ki te kāore he whakahaere.

Kaha o te Tension me te Whakapai ake i te Whakapai: Whakakaha i te Whakapai me te Whakapai Kaihanga

Ko ngā punaha whakapai ake i te inerangi inaianei e whai whakauru ana ki te tere o ngā panoni tere ki te 300 mita/min, e whakaiti ana i te tāone hou o te tinta ki te 67% i ngā kapa whakapai kaha.

Mahere Mahi Mua: Wehenga Tae, Whakamātua, me te Whakarite Kapa hei Whakapono

Ka whakaita ngā tohu pāpāho matātū te huringa o ngā papa ki te 28% ina whakaurua ki ngā tātai ISO 12647-7 mō te whakatōtika tae. I whakaatu tētahi whakamātau tau 2022 ko te 93% o ngā kaiwhakahaere e whakamahi ana i ngā taputapu whakarite papa awhōmati kia eke noa ki te āhua o te tae ki te ≤1.5 Delta-E puta noa i ngā kapa e whakaputangia ana.

Ngā Pūnaha Whakahaere Tae mō ngā Hua Whakamua Reretahi, Rerewhakapā

Ko ngā pūnaha CMS (Color Management Systems) matua e whakauru ana i ngā raraunga kōpiko 3D hei whirihau i ngā takotoranga tae i te wā poto, ka whakaita i te whakamahinga tae ki te 15–20% i te wā e tiaki ana i te ΔE2000 ≤2 puta noa i ngā papanga rerekē. Ko tēnei āhua he mea nui ina 38% o ngā mahi flexo e whakahaere ana inaianei i runga i ngā taputapu kua whakamahia anō e kore pea ngā āhua mata.

Wāhanga FAQ:

He aha ngā āhuatanga matua e pā ana ki te kounga whakaatu i te whakaatu whakamua?

Ko ngā āhuatanga matua ko te matāpuna papa, te takotoranga tae, ngā whirwhe anilox, ngā tikanga taiao, me ngā āhua o te papanga.

Pēhea e pāngia ai ngā paparorohiko photopolymer i te maarama o te whakaahua?

Ko ngā paparorohiko photopolymer e hāngai ai i ngā taipitopito iti me te whakapūmau, e tuku ana i te maarama o te whakaahua kia pai ake i ngā paparorohiko miriro hau tawhito.

He aha te take e nui ana kia pupuri i ngā taumaha o te whakapua me te wera?

Ko te pupuri i ngā taumaha motuhake o te whakapua me te wera e whakapumau ai i te rahi o ngā paparorohiko me te whanonga o te tinta, he iti ake ngā take e pā ana ki te rēhita me te whakaputanga.

He aha te painga o ngā rōrō anilox hipoki karu?

Ko ngā rōrō anilox hipoki karu e tuku ana i te whakapae whakapapa me te roa o te ora, e pupuri ana i te rōrahi o ngā kāpua i runga i ngā miriona whakaputanga.

Pēhea e pāngia ai te tāwhai o te tinta i te tōtika o te whakaputa?

Ko te tāwhai o te tinta e whakatau ana i te tika o te neke, ā, ko te pupuri i te tāwhai tino pai e iti ai te whanake o ngā pitoata me te whakapumua i te tōtika o te takotoranga.