Pengekodan pembungkusan makanan: mengapa kod gagal pada barisan basah dan sejuk


Masa siaran:

2026-10-09

Mengapa kod gagal pada pembungkusan makanan: kondensasi pada dulang sejuk, permukaan beku, filem berminyak dan urutan pemeriksaan yang betul.

Pengekodan pembungkusan makanan: mengapa kod gagal pada barisan basah dan sejuk

Hampir semua masalah penandaan yang saya dipanggil ke barisan makanan bukan kerosakan pengekod. Mesin buat tepat apa yang disuruh. Yang berubah ialah permukaan yang dicetaknya: hari ujian dan syif sebenar tidak sama.

Dua pemboleh ubah yang paling banyak berubah ialah kelembapan dan suhu. Tersalah satu, anda dapat kod yang nampak cantik bawah lampu pemeriksaan dan terhakis dengan ibu jari di hujung penghantar.

Kod gagal atas sebab yang membosankan

Banyak kilang, apabila kod pertama kali tertanggal, terus mengesyaki dakwat atau memanggil pembekal memeriksa mesin. Lapan daripada sepuluh kes bukan dakwat dan bukan pengekod.

Lihat keadaan barisan dahulu, kemudian bahan guna habis. Urutan terbalik hanya membazir wang dan masa.

Kondensasi ialah musuh sebenar

Dulang sejuk yang dibawa masuk ke dewan pengisian yang panas membentuk lapisan air pada permukaannya dalam beberapa saat. Titisan dakwat jatuh pada lapisan itu, bukan pada bungkusan. Ia tergantung di atas air, kering di atas air, lalu hilang dengan ibu jari.

Penyelesaiannya jarang mesin baharu. Dekatkan kepala cetak ke mesin pengisi, pendekkan masa antara pengisian dan cetakan, dan gerakkan udara di stesen cetak supaya lapisan itu tidak terbentuk. Pada barisan yang guna VJ atau DM, menggeser kepala dua sentimeter memberi kesan lebih besar daripada apa-apa pertukaran dakwat.

Rantaian sejuk dan permukaan beku

Mencetak pada permukaan yang disejukkan dalam atau beku ialah masalah substrat, bukan masalah tetapan. Dakwat membeku sebelum sempat mencengkam bahan. Anda boleh naikkan saiz titisan dan masa tinggal, tetapi jika permukaan bungkusan di bawah takat embun dewan, tiada apa akan melekat.

Sama ada cetak sebelum penyejuk, atau terima bahawa bungkusan ini perlu label dan bukan kod dakwat.

Filem berminyak dan bersalut

Lemak dan agen pelepas silikon ialah punca kedua paling biasa. Ia buat tepat apa yang direka untuknya: menghalang sesuatu daripada melekat. Malangnya itu termasuk dakwat.

Tanya pembekal filem anda apa kimia pelepas pada permukaan, dan minta sampel bersalut untuk dijalankan pada barisan sebenar. Selalunya tetingkap cetakan yang berbeza, atau pelarut yang mencengkam sedikit lebih kuat, sudah selesai. Perbezaan sebenar biasanya bersembunyi pada perincian kecil ini.

Membaiki tanpa melambatkan barisan

Periksa mengikut urutan ini: jurang antara pengisian dan cetakan, gerakan udara di dewan, spesifikasi filem, dan barulah dakwat serta cip dalam kartrij. Bermula dengan dakwat ialah jalan yang mahal.

Catat bungkusan mana, barisan mana dan syif mana paling banyak gagal. Dua minggu rekod itu akan menunjuk pemboleh ubah sebenar lebih cepat daripada apa-apa lawatan pembekal.

Produk berkaitan: VJ 1000 series service module chip | DM IC2bk124 solvent ink chip | all compatible chips & RFID tags

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Semua nama jenama yang dirujuk termasuk Linx, Imaje, Domino, VJ digunakan hanya untuk menunjukkan skop keserasian produk.
Topmark tidak mempunyai hubungan gabungan, kebenaran, perkongsian atau sokongan rasmi dengan mana-mana pengeluar pencetak industri.
Semua produk Topmark adalah bahan habis pakai serasi pihak ketiga, bukan alat ganti asal OEM. Kami tidak menuntut hak milik mana-mana tanda dagangan yang dinyatakan.


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