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Solution of the common failure of the die-cutting machine

Read number: Time:2012-06-20 15:07
  Die-cutting machine in daily use in the production process will often encounter a variety of failures, this production would have been affected. The following aspects of the common failure of the die-cutting machine analysis, and provides a solution:
  1.carton die cutting machine indentation to generate a burst line "and" dark line "
  The cause of the problem: "burst line" refers to the die cutting creasing the pressure is too large, more than the tolerance limits of the paper fibers, paper fibers fracture or part of the fracture; "dark line" refers to undue crease line, the general to inappropriate choice of die-indentation Telegraph, die-cutting improper pressure adjustment, poor paper quality, paper fiber orientation is inconsistent with the direction of the die-row knife, paper moisture content due to the low flexibility of decline and other reasons.
  Workaround: Select the appropriate die; appropriate to adjust the cutting pressure; first to be die-cutting of printed materials placed in the workshop for some time before the in-mold; workshop relative humidity of the environment. The better approach is to reduce the height of the indentation Telegraph, reduce the height of typically 0.1 ~ 0.2mm, the specific quantitative determination according to the paper quantitatively more than 350g/m2 paper to be reduced indentation height of the steel wire to 0.2mm quantitatively less than 350g/m2 paper should reduce 0.1mm.
  2.die-cutting machine die-cutting fluff, dust
  The cause of the problem: when die-cutting, often cutting edge is not smooth cutting products, raising the phenomenon, especially from the indentation line closer trimming at the situation more serious. This is due to the mold when the pressure of the suit, the die-strip indentation steel wire on the paper pull the paper is not completely cut through the tension generated to pull off, there is a flash.
  Solution: First, according to the paper selection of different types of cutting knife. Cutting knives, including the ruled knife and stripes knife, the blade of the two lines have the height of points the blade to the formation of lines and different height is directly related to the life of the cutting quality and cutting knife. Avoid die-cutting fluff, ruled knife the stripes knife; in life, short front knife is high and the front knife. Should use die-cutting coated cardboard ruled high front knife, and the requirements of the blade is polished, it is best not to use embossing a molding process, otherwise too much pressure would have die-cutting a significant impact; in the processing ordinary cardboard should be selected when the short front knife, and the quality of the paper fibers to determine the lines of the blade.
  3, die-cutting machine die-cutting accuracy is not high
  The cause of the problem: die-cutting accuracy is not high die-printed. Handmade die-error; die-indentation and the operating environment of the printing process will cause the paper deformation, resulting in die-indentation position are not allowed, especially after polishing, laminating, paper deformation more serious impact of cutting precision.
  Solution: advanced die-plate process, to improve the accuracy of the die. Try to ensure that the die-indentation and printing process is carried out under the same operating environment, or to ensure the identity of the operating environment (ie the same temperature, relative humidity, etc.); for cutting pretreatment on light coated paper, minimize paper distortion on the cutting precision.