Printing Knowledge

The sequence of steps in binding hardcover books is shown in Figure 6-1. These steps remain the same whether books are bound by hand or by machine. FOLDING SIGNATURES AND ENDSHEETS. Large printed sheets are first folded to form signatures. A signatur…

Name Thickness/mm Name Thickness/mm
80gsm art paper 0.065 105gsm matt coated paper 0.09
105gsm art paper 0.085 128gsm matt coated paper 0.12
128gsm art paper 0.105 157gsm matt coated paper 0.16
157gsm art paper 0.135 200gsm matt coated paper 0.19
200…

Perfect Binding Process Sewn Binding Process Perfect binding is often used, and gives a result similar to paperback books. National Geographic is one example of this type. Paperback or soft cover books are also normally bound using perfect binding. T…

Fold the impression (cut or uncut) into several folds according to page number and sequence. The fold with multi-pages is called a signature of book-block. After collocating the folded signatures into volumes by order and combine them, it is called s…

Quality and rather heavy two-side coated printing paper with smooth surface. The reproduction of fine screen single- and multicolor pictures ("art on paper") requires a paper that has an even, well closed surface and a uniform ink absorption.…

Silkscreen printing involves multiple prepress steps. To produce a high-quality silkscreen product, every step must be executed without error. Even a minor mistake in any step can prevent achieving the desired print quality. The prepress process can …

In recent years, the market for large UV double-sided printers has shown rapid growth. However, ensuring printing accuracy and long-term stability for large-format printing materials has been a persistent challenge. This article introduces a design a…

High-speed rotogravure printing operates at high speeds, with long paper paths. Once a fault occurs, whether during shutdown for adjustments or startup, the waste generated can be enormous. The causes of such faults are manifold: one is the impact of…

In the production of tobacco packaging printing, curling of paper can lead to serious problems during post-processing and use. For instance, curled sheets can increase positioning errors during downstream processes such as cutting, hot stamping, and …

It is well known that materials used in the packaging and printing industry, such as paper, plastic, ink, adhesives, and guide rollers (some of which are anodized to form alumina), are insulators. The processes of printing, laminating, rewinding, and…

Determining the Line Screen Based on Paper Performance
Paper is the main substrate for printing, and the quality of paper directly affects the quality of printed materials. There are significant differences in the glossiness, surface strength, whiten…

How should the black color be treated in the design file before printing?
- When should overprinting be applied?
- When should you use C0 M0 Y0 K100?
- If the background is a large area of black, how should that be handled?
- Are there any difference…

Why Does Powder Appear on the Ink Rollers, Leading to Poor Ink Transfer?
In the offset printing process, water and ink are two essential materials involved in ink transfer. Water refers to the fountain solution, while ink is the offset printing ink. …

In printing, all text in CD files must be converted to outlines to ensure print quality.
Some images come from Photoshop and contain embedded text in a combination of text and graphics. If this text isn’t converted to outlines, can it still be print…

To ensure the strength and good adhesion of corrugated cardboard, adjustments should be made according to the configuration of the corrugated cardboard production line.
  1. The ideal moisture content of the corrugated base paper entering the single…

Process Characteristics
Metallic etching imitates a frosted effect using textured inks on gold and silver paper, where the texture's coarseness and feel depend on the ink used, allowing limited adjustments during operation. The fabric texture techni…

In color printing, the typical approach is to use four colors: yellow, magenta, cyan, and black, which are printed in a specific sequence. Theoretically, there are twenty-four different printing color sequences possible with these four colors, and an…

Lithographic printing is based on the principle that oil and water do not mix. The image areas on the plate are oleophilic (ink-attracting) and hydrophobic (water-repellent), while the non-image areas must first absorb water to become hydrophilic and…

Packaging Inspection for Paper
Currently, flat paper packaging primarily comes in two basic forms: wood clipboard packaging and wooden box packaging. Qualified flat paper usually has more than two layers of wrapping paper on the outside, further rein…

Someone asked online: "Why does the ink layer not appear bright enough when silver ink is overprinted with other colors on black paper?" Here are my thoughts and insights on this issue for reference.
The so-called "black paper" is a type of speci…