From the course: Print Production: Folding

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Knife folding

Knife folding

From the course: Print Production: Folding

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Knife folding

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- The knife folding process consists of a vertically moving knife and two rollers that rotate in opposite directions. The sheet is carried from the feed to the folding station until it makes contact with the sheet stop. At this point, the knife descends vertically, plunging the sheet down between the rollers that have been set to the thickness of the sheet going through them. AS the sheet passes through the rollers, it's pinched and a fold is formed. For this folding process, the speed is dependent upon the cyclical action of the knife. Unlike buckle plate folding, where there can be several plates and several folds at each folding station, there's only one knife and one fold at each knife folding station. Additional knife folds can be made by placing additional knife stations at right angles to each other. Printers and binderies that specialize in folding large sheets of paper, tend to use knife folders. So although you won't see knife folding used as much as buckle plate folding…

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