Solve the die cutting indentation common fault handling countermeasures during processing

by:Dalilu     2020-09-24
Solve the die cutting indentation common fault handling countermeasures during processing the common failures in the die cutting indentation processing and processing can be summarized as: ( 1) Die-cutting indentation location is not accurate. Causes of failure is # the location is not consistent with printing products; Die cutting and cells for the printing on are; Cardboard diao mouth have different rules; Die cutting operation in the feed position is inconsistent; Operating in cardboard deformation or stretching, misregister. The solution is based on product requirements to calibration template, set of cells for the printing and die cutting; Adjust the die cutting feed positioning rules, make its consistent feed location; In view of the causes of failure, reduce printing and the defects on the quality of the die cutting material. ( 2) Die cutting edge not only. Reason is the poor quality of steel knife, the blade is not sharp, die-cutting eligibility is poor; Steel knife blade wear serious, did not change in time; Machine pressure is not enough; Die cutting pressure adjustment, the steel knife pad paper processes improper, die cutting pressure and uncomfortable. Elimination method is according to the different performance of die cutting board, choose different quality of steel knife, to improve the die cutting eligibility; Regularly check steel knife edge and the wear situation, timely replacement of new steel knife; Appropriate increase of the die-cutting machine die cutting pressure. To adjust the steel knife pressure and change of pad of paper. ( 3) Die cutting board adhesion after knife version. Reason is padded around the edge of rubber too thin, cause back stretch inadequacy, or rubber hard, medium, the performance of the soft choose not appropriate; Steel knife blade is not sharp, paper thickness is too big, cause sword or die cutting pressure. According to the distribution of the template steel knife, a reasonable choice of different hardness rubber, pay attention to stick to moderate density distribution when plug; Properly adjust the die cutting pressure, if necessary, replace the steel knife. ( 4) Indentation is not clear and dark lines, Fried line. Wiring is refers to the undue indentation, Fried line refers to as the indentation pressure is overweight, cardboard fracture. The causes of failure are: copper pad of paper thickness calculation inaccurate, pad of paper too low or too high; Copper wire choose not appropriate; Improper pressure adjustment molding machine, too big or too small; Poor paper, paper moisture content is too low, make its brittleness increases, lower toughness. Should be recalculated and adjust the thickness of steel wire paper-cut; Check whether copper wire to choose appropriate; Appropriate to adjust the pressure die cutting machine. According to the condition of moulding board, adjust the die cutting indentation process conditions, adapt both as far as possible. ( 5) When folding forming, cardboard crease place craze. Folding, such as cardboard indentation lateral crack, its reason is indentation indentation width or depth is not enough; If the cardboard inside crack, it is moulded indentation force is too large, fold too deep. Can decrease the thickness of steel wire paper-cut; According to the thickness of the cardboard to widen the indentation line; Appropriate reduction building cutting machine pressure. Or to switch to height slightly lower copper wire.
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