GRC 324 Chapter Notes - Chapter 5: Paperboard, Bookbinding, Accordion
28 May 2017
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Document Summary
Panel: one front-and-back section of a folded piece. Flap: when a panel does not extend as far as the other panels. Spreads: copy or graphics crossing two or more panels. Leaves: single sheets in a book containing two pages. I. e. 48-page book is made of 24 leaves. Parallel folds: when two or more folds are parallel to each other. Right-angle fold: when a fold is made perpendicular to the first. Folded pieces are usually cut before folding. Thick stocks: easy to handle through folding machine and difficult to fold. Thin stocks: difficult to handle through folding machine and easy to fold. Techniques: depend on type of paper and type of fold. Folding rolls: web presses have in-line folding capabilities (substrate folded directly after printing) Folding sheets: sheetfed work folded off-line after printing. Perforating signatures: relieves stress on paper (allows air to escape + paper to flex) Common for perfect bound books, not saddle-stitched. Hand folding: used for very short runs.
