The Process Of Offset Printing

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Posted by Anita Tan | Posted in Business | Posted on 20-02-2010

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Printing service is used by most businesses for varied purposes such as marketing and intra-company communications. Offset printing is the most frequently used printing technology and knowing about it is therefore helpful and important.

Offset printing is so well known among printing service companies and clients because for large quantities, it is more economical than other options. This is the reason good printing service providers suggest the use of offset printing for bulk prints.

The ink employed during offset printing has oil as the medium and does not dissolve in water. In offset printing, rubber blankets play a transitional role in copying the image on the paper, which is to begin with on the plate.

The first step is preparing the images. When offset printing began, the images had to be made by the use of film negatives and they were later transferred to aluminum plates. In the current times, the printers can make use of the image setting system for making the plates directly. This plate is then put on a cylinder in the proper configuration. Thereafter water, and then ink, is spread on the image plates. The image receives the ink while the rest of the area gets a thin layer of water, which ensures that the ink does not spread beyond the images.

The image is then taken from the plates to the rubber blanket spun on another cylinder, so that it is inverted. The image is inverted to its right side by transmitting the image to sheets which have been cut according to the need and are put on a different cylinder.

Printed sheets are stapled, pasted, or arranged in any other way as required and the printing company sends them after giving some finishing touches.

Learn more about a printing companythat offers the best printing services.

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