Printing News
Folding printing techniques

A, impact type folding principle
The longitudinal fold by set square, the paper along the longitudinal get first fold, fold out folding knife activities drum blunt origami zhang, the paper pushed to two continuous rotation frilled roll between 4, folding post compaction, and transmitted to the post flower drum. According to the principle of folding folding device is called impact type folding machine. Impact type folding machine structure is simple, and is suitable for high speed printing, but folding slightly lower accuracy.
Second, rolling SheShi folding principle
Has broken the paper folding to cut in folding roller 2 and output roller 1, 4 pick by pick needle turning live, to roll in the roller discerner online, elastic folding knives and headed paper 3 2 the gap of the drum, plywood 6 and 7 along the line will be the clamping, and the roller 2 away, folding knives from fold in crack in the exit. Use a roller of folding knives and another roller plywood in relative finish rolling of folding device is called roller-type folding machine.
Rolling folding machine folding high accuracy, speed, usually in a drum paper books cycle printing machine. According to the completed folding times, fold the dose of the type, use different Numbers of folding roller and folding solutions.
Three, knife type folding principle
The sword is the type folding paper folding knives 1 will be pressed into the two opposite 4 rotating folding roll between 2, again by folding roller sent out, complete a folding process. The paper was completed after folding belt away, and fold into the second, the third fold.
Knife type folding has higher precision, books for the real pressure fold seam, because of the folding knives motion inertia, folding at a slower speed.
Four, fences type folding principle
By lose page device send out four feature, after two rotating folding roller 2, is sent to the folding the fence and crashed into the fence dampers 5, was forced to transfer bent into half-and-half form into the fold among three folding roller, completed the first fold folding, and then will have ten percent discount to the next book for folding the fence, use the same method for the second, the third fold. The end be sent to paper receiver station, finishing a book posted folding work.

(Gold Printing Group)
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