Flexographic Printing ne Pinholing ho nnianim asɛm
Dɛn ne Flexographic Printing?
Flexographic tintim yɛ ɔkwan a agye din a wɔfa so tintim nhoma a wɔde di dwuma wɔ nneɛma a wɔde kyekyere nneɛma ho adwumayɛ mu. Ɛde mprɛte a wɔde tintim nhoma a ɛyɛ mmerɛw di dwuma de ink kɔ nneɛma ahorow te sɛ krataa, plastic, ne foil so. Wonim saa kwan yi sɛ ɛyɛ nea wotumi de di dwuma wɔ mmeae pii na etumi yɛ mfonini a ɛkorɔn ntɛmntɛm na etu mpɔn.
Dɛn Nti na Flexographic Printing Ho Hia?
Wɔ nnɛyi gua a akansi wom mu no, nneɛma a wɔde kyekyere nneɛma a ɛyɛ fɛ ho hia na ama wɔatwetwe adetɔfo adwene. Flexographic tintim boa ma wɔyɛ nneɛma a wɔde kyekyere nneɛma a ɛyɛ fɛ na ɛtra hɔ kyɛ a ɛda nsow wɔ sotɔɔ ahorow mu. Ɛyɛ nea eye ma nneɛma akɛse a wɔyɛ esiane ahoɔhare ne sɛnea ɛyɛ adwuma yiye nti.
Dɛn ne Pinholing?
Pinholing kyerɛ mmeae nketenkete a wɔantintim a epue wɔ substrate no so bere a wɔretintim no. Saa nsensanee yi te sɛ ntokuru nketenkete na ɛhaw baabi a wɔatintim no kɔ so. Pinholing yɛ sintɔ a ɛtaa ba wɔ flexographic tintim mu na ebetumi aka tintim no yiyedi kɛse.
Nkɛntɛnso a Pinholing Nya wɔ Print Quality So
Pinholing ka sɛnea nneɛma a wɔatintim no te aniwa so denam nsonsonoe a ɛma ɛyɛ soronko wɔ mmeae a kɔla yɛ den no so. Eyi betumi atew ne nyinaa su so na ama nneɛma a wɔde kyekyere nneɛma no ayɛ te sɛ nea ɛnyɛ adwumayɛfo de. Ɛda adi titiriw wɔ kɔla akɛse a ɛyɛ den mu na ebetumi anya adetɔfo adwene ne gyinaesi ahorow a ɛfa adetɔ ho so nkɛntɛnso.
Hia a Ɛho Hia sɛ Wobedi Pinholing Ho Adi
Nea ɛde pinholing ba no ntease ne nea wobedi ho dwuma no ho hia kɛse na ama wɔakura nhoma a wɔatintim no yiye mu. Ɛdenam saa sintɔ yi a wobehu na wɔasiesie so no, mfiri a wɔde tintim nhoma no betumi ama wɔn nneɛma no ayɛ fɛ na wɔakwati bere a ɛho ka yɛ den a wɔde gyae adwuma anaasɛ wɔbɛsan atintim bio.
Dɛn ne Pinholing wɔ Flexographic Printing mu?
Nkyerɛase ne Su a Wɔde Aniwa Hu
Pinholing yɛ nea ɛda adi wɔ nsensanee nketenkete a wɔantintim wɔ substrate no so. Mpɛn pii no, saa nsensanee yi nsɛso ne ne kɛse nyɛ pɛpɛɛpɛ, na ɛte sɛ pinholes. Wɔsɛe sɛnea baabi a wɔatintim no yɛ pɛ no na wotumi hu titiriw wɔ kɔla ahorow a ɛyɛ den mu.
Sɛnea Pinholing Ka Print Su
Pinholing ma nneɛma a wɔatintim no mu den ne kɔla a ɛyɛ hyew no so tew. Ɛma ɛyɛ fɛ a ɛnyɛ pɛpɛɛpɛ a ebetumi ama nneɛma a wɔde kyekyere nneɛma no ayɛ te sɛ nea ɛnyɛ adwumayɛfo de. Saa sintɔ yi yɛ ɔhaw titiriw wɔ nneɛma a wɔde kyekyere nneɛma mu a wɔde aniwa hu ho hia kɛse ma adetɔfo anigye.
Pinholing a abu so wɔ Flexographic Printing mu
Pinholing yɛ asɛm a ɛtaa ba wɔ flexographic printing mu esiane nneɛma te sɛ ink drying ahoɔhare, substrate surface quality, ne equipment settings nti. Ɛba bere a ink ntumi nkata ade a ɛwɔ ase no so koraa, na ɛma baabi nketenkete anaa ntokuru gu hɔ no. Sɛ wosiesie ne nsakrae a ɛfata a, ebetumi aboa ma nea ɛbɛba no ayɛ ketewaa bi.
Nneɛma a Ɛde Pinholing Ba wɔ Flexographic Printing mu
Nsɛm a Ɛfa Ink Ho
Fast drying speed of inks : Sɛ ink wew ntɛmntɛm dodo a, ebia ɛrenkata nea ɛwɔ ase no so koraa, na ɛde pinholing bɛba. Eyi betumi afi ɔhyew a ɛkɔ soro anaasɛ ink a wɔmfa nni dwuma yiye mu aba.
High viscosity of inks : Inks a ɛyɛ den dodo betumi ama akata so pɛpɛɛpɛ na ɛnyɛ papa sɛ ɛbɛkɔ substrate no so, na ama pinholes aba.
Efĩ anaa nneɛma nketenkete a ɛwɔ ink mu : Efĩ a ɛwɔ ink no mu betumi asɛe nhoma tintim no na ama baabi a wɔatintim no ayɛ mmerɛw nketenkete.
Nsɛm a Ɛfa Mprɛte Ho
Nneɛma a ɛnkɔ so pɛpɛɛpɛ anaasɛ ɛsɛe wɔ mprɛte no ani : Mprɛte a wɔde tintim nhoma a asɛe anaasɛ ɛnteɛ no betumi asiw ink a ɛkɔ baabi foforo yiye ano, na ɛde pinholing aba.
Nsonsonoe a emu dɔ anaa ne nsusuwii a ɛmfata wɔ mprɛte a wɔde tintim nhoma so : Ebia nsensanee a emu nnɔ dodo anaasɛ ne nsusuwii nyɛ pɛpɛɛpɛ no rentumi nkura ink a ɛdɔɔso, na ɛbɛma wɔakata so koraa.
Nsɛm a Ɛfa Nnwinnade Ho
Nhyɛso a ɛnyɛ pɛpɛɛpɛ a wɔde kyerɛw nsɛm : Nhyɛso a ɛnkɔ so wɔ mprɛte a wɔde tintim nhoma ne nea wɔde hyɛ ase no ntam no betumi ama mmeae bi anya ink a ɛdɔɔso, na ama pinholes aba.
Nsiesiei a ɛmfata wɔ mfiri a wɔde dry so : Nnwinnade a wɔde dry a wɔde si soro dodo anaasɛ ɛba fam dodo no betumi aka ink a ɛyow ne nea wɔde kɔ baabi foforo, na ɛde pinholing aba.
Nsɛm a Ɛfa Substrate Ho
Mismatch between substrate surface tension and ink : Sɛ substrate no ani tension ne ink no nhyia a, ebia ink no rentrɛw pɛpɛɛpɛ, na ɛde pinholes bɛba.
Mfutuma, ngo, anaa nneɛma afoforo a efĩ wom a ɛwɔ substrate no ani : Efĩ a ɛwɔ substrate no so no betumi asiw ink kwan sɛ ɛbɛbata ho yiye, na ama baabi a wɔatintim no ayɛ mmerɛw.
Pinholing ano aduru wɔ Flexographic Printing mu
Ink Su ahorow a Wɔbɛsesa
Modifying ink formulations : Sesa ink formulations na ama woanya ahoɔhare ne viscosity a eye sen biara. Eyi ma ink kɔ baabi foforo yiye na ɛtew pinholing a ɛba no so.
Retarders anaa thinners a wode bɛka ho : Sɛ wode retarders anaa thinners ka ho a, ebetumi ama ink no ayow brɛoo, na amma ɛnyow ntɛmntɛm dodo na ama pinholes aba.
Ink a wobɛhwɛ sɛ ɛho tew : Fa ink a ɛyɛ papa di dwuma na hwɛ hu sɛ efĩ biara nni mu. Tew ink nkuku ne nneɛma a wɔde kɔma no ho daa na ama ink no ho atew.
Mprɛte a Wɔatintim no a Wɔbɛyɛ no Yiye
Mprɛte a asɛe a wobɛhwɛ na woasesa : Hwɛ mprɛte a wɔde tintim nhoma no mu daa sɛ asɛe anaasɛ ɛnteɛ anaa. Sesa mprɛte a asɛe no na ama woahwɛ ahu sɛ ink mpo bɛkɔ baabi foforo.
Mprɛte nneɛma a ɛfata a wobɛpaw : Paw mprɛte nneɛma a ɛma ink kɔ baabi foforo yiye na ɛko tia sɛ ɛbɛhon na asɛe. Susuw ho sɛ wode elastomer nsateaa a ɛko tia solvent bedi dwuma na ama woatumi ayɛ adwuma yiye.
Nnwinnade a Wɔhwɛ So ne Nsakrae a Wɔyɛ
Nhwehwɛmu ne calibration impression pressure : Hwɛ na calibrate impression pressure a ɛda printing plate ne substrate ntam no. Hwɛ hu sɛ nhyɛso a ɛkɔ so daa ma ink a wɔde kɔ baabi foforo a eye sen biara.
Adjusting drying equipment nhyehyɛe : Sesa drying equipment nhyehyɛe ma ɛne ink drying ahwehwɛde ahorow hyia. Kwati nhyehyɛe a ɛkorɔn dodo anaasɛ ɛba fam dodo, a ebetumi aka ink a ɛyow ne nea wɔde kɔ baabi foforo.
Substrate Pre-Ayaresa a Wɔde Yɛ Adwuma
Implementing surface treatments : Fa surface treatments te sɛ corona anaa flame treatment di substrates ho dwuma na ama wettability ayɛ kɛse na ama ink adhesion atu mpɔn.
Hwɛ sɛ nneɛma a ɛwɔ ase no ho tew : Hohoro nneɛma a ɛwɔ ase no ho yiye ansa na woatintim na ama mfutuma, ngo, ne efĩ afoforo a ebetumi ama pinholing no afi hɔ.
Nneɛma a Atwa Yɛn Ho Ahyia a Wɔhwɛ So
Ɔhyew ne nsu a ɛyɛ nwini a wɔbɛhwɛ so : Ma ɔhyew ne nsu a ɛyɛ nwini a eye sen biara nkɔ so wɔ baabi a wotintim nhoma no na amma ink no anyow ntɛmntɛm dodo anaasɛ ansɛe dodo.
Electricity a ɛnyɛ adwuma a wobɛtew so : Tew anyinam ahoɔden a ɛnsakra wɔ baabi a wotintim nhoma no so na amma mfutuma antwetwe, na ebetumi ama pinholing aba. Fa mfiri a ɛko tia static di dwuma na hwɛ ma nsu a ɛyɛ nwini no nkɔ so yiye.
Awiei: Flexographic Printing Quality a wɔbɛma anya nkɔso denam Pinholing a wobesiw ano so
Nneɛma Titiriw a Ɛde Pinholing Ba ne Ano Aduru Ho Nsɛm a Wɔaboaboa Ano
Pinholing yɛ sintɔ a ɛtaa ba wɔ flexographic tintim mu a ɛba bere a ink ntumi nkata substrate no so koraa, na ɛma mmeae nketenkete a wɔantintim a ɛte sɛ pinholes no. Nneɛma atitiriw a ɛde pinholing ba no bi ne:
Nsɛm a ɛfa ink ho : Ahoɔhare a ɛyow ntɛmntɛm, ɛyɛ den kɛse, anaasɛ efĩ a ɛwɔ ink no mu.
Nsɛm a ɛfa mprɛte ho : Mprɛte a wɔde tintim nhoma a asɛe anaasɛ ɛnkɔ so daa.
Nsɛm a ɛfa nnwinnade ho : Nhyɛso a ɛnyɛ pɛpɛɛpɛ a wɔde hyɛ obi so anaasɛ nnwinnade a wɔde dry no nhyehyɛe a ɛmfata.
Nsɛm a ɛfa substrate ho : Nneɛma a ɛwɔ soro a ɛnhyia anaasɛ efĩ a ɛwɔ substrate no so.
Hia a Ɛho Hia sɛ Wosiw Pinholing a Wɔde Siw Ano Ano
Pinholing a wɔde di kan bedi ho dwuma no ho hia kɛse na ama wɔakura nhoma tintim a ɛkorɔn mu na wɔatew bere a wɔde gyae adwuma no so. Nsiesiei a wɔyɛ no daa, ink a wɔde yɛ no yiye, ne substrate a wodi kan yɛ no betumi aboa ma wɔasiw saa sintɔ yi ano na wɔahwɛ ahu sɛ nea efi mu ba no daa.
Nkɔso a Ɛwɔ Flexographic Printing Mfiridwuma Mu Ho Nsusuwii
Nkɔso a aba wɔ flexographic printing mfiridwuma mu no kɔ so ma awerɛhyem sɛ ɛyɛ papa. Nneɛma foforo a wɔayɛ wɔ ink a wɔde yɛ nneɛma, mprɛte a wɔde tintim nhoma, ne mfiri a wɔde yɛ nneɛma mu no reboa ma wɔn a wotintim nhoma no anya nneɛma pa a sintɔ kakraa bi na ɛwɔ mu. Ɛdenam nkɔso ahorow yi a wɔbɛkɔ so ahu so no, mfiri a wɔde tintim nhoma no betumi ama wɔn akwan a wɔfa so yɛ adwuma no atu mpɔn na wɔde nneɛma a wɔde kyekyere nneɛma ho ano aduru a ɛkorɔn ama.
