High Speed Printing Machine - Rotogravure Printing Machine

Rotogravure, a type of intaglio printing process which involves carving the image on image carrier. Gravure Printing also uses rotary printing process so the image is carved on a copper cylinder just like the offset and flexography printing. Rotary gravure presses are used widely because of their high speed operation and remarkable prints. Commercial printing of magazines, postcards, and corrugated (cardboard) product packaging use rotogravure printing machine.

Process Of Rotogravure Printing

For every individual color, usually CMYK or cyan,magenta, yellow and key, one printing unit is present. The number of units depends upon the colors required for the final image. Each color unit is composed of five components namely, an engraved cylinder,an ink fountain, a doctor blade, an impression roller, and a dryer. Basically three methods are used for engraving gravure cylinders. The cell open size or depth of cell may vary from uniform or variable. The methods are :-

• Conventional

• "Two positive" or "Lateral hard dot"

• Direct transfer

To read in brief about rotogravure printing machine read here..