Who invented offset printing press

This is a very simple blog that tells you the most important details. The history is not pages long but fast and easy so you learn and be ready in a few seconds. Post a Comment. A Short History of Offset Printing. September 26, The history of offset printing could fill volumes. Instead I would like to highlight more modern advances in offset printing as it relates to sheetfed and web printers.

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Offset printing machines are now manufactured exclusively in the rotation version and they are based on the roller and cylinder assembly. The plate cylinder bearing the printing forme, transfer roller, ink rollers, water roller and impression roller.

The pattern transfer principle itself is then simple. The plate cylinder is surrounded by the ink rollers and a water roller. As the plate cylinder rotates, first it is moisturized and then the ink is applied on it. However, in the next step the pattern is not printed directly on the substrate, as it was with its predecessor - lithography, but the transfer roller is used instead. The pattern is therefore printed on its rubber surface and only then the transfer roller transfers the pattern to the substrate.

With the dry offset the principle is the same but the moisturizing part is left out, thus the wet roller is not used. On the contrary, the roller thermoregulation principle is utilized here. If the temperature is too high the ink viscosity is higher and the ink can easily adhere also to the non-printing areas and the print "smudges".

If the temperature is too low the ink does not easily adhere even on the printing areas. Printing surfaces are water-repellent and non-printing surfaces are water-receptive. When he then placed paper into the machine it would have the image on two sides, one from the stone plate and one from the rubber impression cylinder.

This process was also noted by two brothers, Charles and Albert Harris, at about the same time. In England in , Robert Barclay patented the first rotary offset lithographic printing press. Previously, the press had employed a metal cylinder wrapped in cardboard that printed the image directly on metal. At that time, lithography was falling out of favor as photography became more and more popular.

Today, the offset printing press is still used to print high volumes of any image or text you may need. It remains the best method for printing a lot of copies quickly, efficiently, and, most importantly, with the best quality. At APT, you can find a wide selection of pre-owned offset presses.