The Working Of An Offset Printer

Business

Written by CesarTan

Tuesday, 23 February 2010

by CesarTan

Many important operations in a business such as maintaining flow of information within the company and marketing the offerings of the company require printing service. Offset printing is the most frequently used printing technology and knowing about it is therefore helpful and important.

Offset printing can generate a large number of prints quickly, which makes it less costlier than other techniques and also more well known. That is why for bulk orders any good printing company would advise you to go for offset printing.

This printing technique uses oil-based ink, which is not soluble in water. Its so called because in this method, images are not transferred directly from the plates to the paper but this is done using rubber blankets as a medium.

The process begins by developing the designs. Previously the images were produced by creating film negatives and were then transmitted to aluminum printing plates. This is no longer required as the technology exists for making the plates in one step through an image setting system. The next step is to transfer the plate on to a cylinder such that it is spot on. Next, the water is put on the image plates, which is followed by the ink. While the ink gets fixed to the image, the water gets stuck to that part of the plate where there is no image so that the ink does not spill beyond the image.

Next, the image is turned around when it is transmitted to a rubber blanket which is stuck to another cylinder. The image is reversed to its right side by transferring the image to sheets which have been cut according to the need and are put on a different cylinder.

The work of printing is completed by the printing company by consolidating the printed sheets using staples or paste or in any other way as per the needs of the client.

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