Offset printing is one of the most popular printings which is very common now a days. Over 45 to 50 percent of print jobs are done by offset printing. It works in a simple way, it uses its three cylinders for transferring the image. The printing plate is attached with the first cylinder. The image on the printing plate is written with the right side. By inking the first cylinder the image will be sent to the second cylinder that is attached with the latex blanket. From here the image is transferred to the third cylinder. This process goes on like this. Impression cylinder is an important part of offset printing here the substrate is attached. In the second cylinder the images reversed and becomes wrong reading while in the impression cylinder the image reversed and becomes right and that is the final printing. This is how the process continues.
One of the unique features of offset printing is that there is same part for both the image and non-image. Offset printing is called as litho offset also because the printing method in offset printing, during the printing method oil and water is used, and they are not even mixed here due to the usage of chemical element. It is done by lithography that is why it is also known as litho offset.
Forms of Offset printing press: it has two types namely sheet-fed and web-fed offset.
- Sheet-fed: In this type of offset printing single piece of paper is required for printing and they are supposed to press one at a time.
- Web-fed: : In this type of offset printing also a single piece of paper is required for printing but the sheet is cut into separate sheets of preferred size.
Process of offset printing press: offset printing press needs a very vast investment in tools and arrangement. Offset printing press is less expensive.
Applications of offset printing press: offset printing press occupies every aspects of today’s human lives. It ranges from printing of books, and other reading materials to the packaging of different things by different types of creative printing. Without offset printing press there will be no such creative and beautiful things in our lives. It has made possible many things in this world. That things range from simple to complex things. Including books, other reading materials,marketing and promotion of many things even the promotion of heavy weapons are done by offset printing press.
Advantages of offset printing press:
- Greater quality and color reliability
- Easy and cost operative for printing larger numbers.
- Composed of Inks and different colors.
- Massive variety can be used.
Disadvantages of offset printing press:
- Costly at initial stage and more costly for even small numbers
- No adaptable data printing
For top quality offset printing in Dubai contact Rainbow Printing Industries.