Web offset printing is an efficient and cost-effective method that is frequently used for high-quality printed materials production in huge quantities. This process goes from newspapers, journals, catalogs, brochures to the end of the web offset printing process, which reproduces identical, top-quality products wholesale order for publishers and companies.
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What is Web Offset Printing?
This type of printing consists of offset printing where the used printing media is in a continuous web or roll of paper which is inserted into a web printing press. The process includes inking the plate, which then is transferred to the blanket which in turn blankets the paper. In sheet fed printing, an exact number of sheets is loaded in the printer and printing happens one sheet at a time. Although printing is done on a spherical surface this paper is rolled up and cut to the required size later.
Features and Benefits of Web Offset Printing
High-Speed Production: Speed is right at the top of the advantages of this printing style. The nature of feeding papers in this manner tends is very fast making it suitable for capturing a number of prints where speed is of concern.
Economical for Prints Based on Demand; Economical web printing depends upon the demand since the number of prints increases. Since large number of copies can be produced that lowers the average cost and thus this type of printing is suitable for executing projects of large size, like newspapers, magazines or direct mails.
Good Quality for every print; One of the benefits of web offset printing is that it allows for printing sharp and clean images as well as the ability to maintain uniform color quality even with high number of prints. This means utilizing modern presses which have excellent in-ink control system that guarantees every one of that particular print run copy is of the same quality as the first up to the last.
Type of Paper and Ink Flexibility: Web offset presses consist of several paper including ordinary newsprint paper and even magazine art paper. They are also able to dry all types of inks including standard, uv and heatset inks, which will add on creativity to the final product.
Inline Finishing: The web offset presses usually have some inline finishing processes like folding, craning or binding. This enhances the production process by minimizing the time taken as well as the amount of labor required for finishing after printing.
Web Offset Printing Techniques
Heatset Web Offset: Heatset web offset printing is a process that involves drying the ink by depressing the printed material into an oven furnace. This technique is mainly applied for the printing of high-quality images on coated papers like catalogs, magazines, and brochures that require sharp and bright images.
Coldset Web Offset: Coldset web offset printing, unlike the heat-set method, uses the forces of the atmosphere to dry off the inks once printed on the substrate. This technique is more suitable for plate newspaper printing, which is more of high speed and less concern about outlook than heatset printed papers.
Web Offset Printing Uses
• Newspapers: Due to the fact that web offset printing has a very high speed, this printing technique has been adopted in newspaper production as it demands fast processing in order to catch daily or weekly time lines for deliveries.
• Magazines: As for glossy magazines, which require photographs of high quality and color brightness, the method of heatset web offset printing is often used.
• Catalogs and Brochures: Companies normally buy web offset printing for a more economical production of catalogs and brochures and for that confusion free printing output as extended –run.
• Direct Mail - Web offset printing is efficiently used in the production of high volume of direct mails, since these ensure economy in mass mail campaigns.
Web Offset vs. Sheet-Fed Offset Printing
Using the same underlying principles, the two methods have their own strengths suited for the specific approach to a project:
• Print Volume – Web offset printing is suitable for long print runs while sheet fed offset is mostly reserved for short runs or often more personalized strategies.
• Speed – Web offset printing is preferred as it is much more quicker compared to sheet-fed printing since in web offset printing the paper is continuously fed as opposed to in sheetfed printing where individual sheets are used.
• Quality – Almost the same high quality prints are attained from both techniques but for large volume of print replicas with hundreds or thousands of the same copy, web offset printing may be more practical due to uniformity required in copies.