Paper Folders
Folding machines exclusively used for folding paper are commonly referred to as paper folders. These machines are typically used for creating letter folds (C Folds) and accordion folds (Z Folds). Other commonly used folds include a half fold, fold-out, double parallel fold, gate (brochure) fold, and right angle fold.
The fold type in a buckle folder is set by adjusting two folding plates. As paper enters the machine, it hits the first plate, is run through rollers that fold the paper, and then hits a second plate, after which the final crease is made. Most paper folders allow for a wide range of fold types. Right angle folds require the paper to rotate 90 degrees and machines require manual re-feeding after the first fold to accomplish this.
Entry-level paper folders require that the folding plates be adjusted manually, with fold settings specified on the folding plates. Higher-end paper folders will electronically adjust the folding plates for added precision and convenience. Both usually have fine tuning knobs for precise adjustments.
Most paper folders pull paper into the machine by use of a friction wheel; this grabs paper using friction. Friction-feed paper folders do not work well with glossy paper as the friction wheel slips on the paper's surface. Pneumatic paper folders are preferable for folding glossy paper.
Read more about this topic: Folding Machine
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