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.…

A bottle of high-quality wine is like a piece of exquisite artwork, and in this regard, the wine bottle and label play a crucial role. In the field of packaging printing, the printing process for wine labels is highly regarded. Here is an exploration…

There are two types of doctor blades: standard sharp-edged doctor blades and section-type doctor blades. The section-type doctor blade is more commonly used.
The section-type doctor blade has a longer service life. Because the contact angle between t…

Solvent-based gravure printing inks consist of pigments, resins, additives, and a significant amount of solvents, making the ink relatively thin. The drying process of solvent-based gravure inks is volatile, which makes them suitable for printing on …

The quality of printed products is intricately tied to the properties of the paper used. Therefore, in printing operations, the requirements for paper vary depending on the nature of the printed material and the desired quality. Different papers, due…

As the name suggests, a single-color offset printer prints only one color at a time.
When it comes to selecting printing consumables for a single-color offset printer, there are some differences compared to multi-color offset printers. Multi-color pr…

The selection, installation, and adjustment of the ink doctor blade in gravure printing have a significant impact on the quality of printed products. Below are some insights on the application of the doctor blade in gravure printing and related issue…

Two-color printing design refers to the process of reproducing an original image using two different ink colors through a color separation technique. In general, the two-color printing process involves combining the black (K) plate with one of the ot…

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. …