How Does Offset Printing Work
Printing service is used by most companies for varied functions such as marketing and corporate communications. Hence, it is good to have some basic knowledge of how printing works, particularly offset printing, which is one of the most widely employed printing technologies.
Offset printing is so well known among printing service companies and customers because for large quantities, it turns out to be cheaper than alternative methods. This is the reason good printing service providers suggest the use of offset printing for large volume of prints.
Offset printing uses oil based ink, which does not mix with 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.
First step is to prepare the graphics. Previously the images were produced by creating film negatives and were then transferred to aluminum printing plates. In the present times, the printers can make use of the image setting system for preparing the plates directly. After this, the plate is attached to a cylinder with the proper side facing upwards. Next, the water is put on the image plates, which is followed by the ink. While the ink gets stuck to the image, the water gets attached to that part of the plate which has no image so that the ink does not spread beyond the image.
Next, the image is inverted when it is put on to a rubber blanket which is stuck to another cylinder. The image is now printed with its right side looking up by cutting sheets of papers into correct size and placing them on a third cylinder.
The job of printing is finished by the printing company by providing the final touches to the printed sheets using staples or glue or in any other way as per the requirements of the client.
Learn more about a printing companythat offers the best printing services.
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