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Carton Die In Quality Problems And Their Solutions by zyzy wang
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Carton Die In Quality Problems And Their Solutions |
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Business,Business News,Business Opportunities
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Box In the cutting process is often a lot of quality problems, here are several more common quality problems and their solutions, hoping to help you colleagues.
Cutting accuracy is not high Cause of the problem: cutting accuracy is not high due to a die-own problems, but also print issues. Handmade die-big error; die indentation and printing process the paper work in different environments can cause deformation, resulting in inaccurate position of die cutting creasing, especially after polishing, coating, the paper, the deformation is more seriously affect the cutting precision.
Solution: select the advanced die-plate-making process, to improve the accuracy of Die. Creasing and die cutting as much as possible to ensure the printing process is carried out under the same operating environment, or operating environment to ensure the identity (ie the same temperature, relative humidity); on the light and coated paper to be die after pretreatment minimize the deformation of paper cutting accuracy.
Die indentation produce "explosive line" and "dark line"
Cause of the problem: "explosion line" refers to the indentation pressure as cutting too much, more than the tolerance limit of the paper fiber to make paper fiber breakage or part of the fault; "dark line" refers to the indentation line should not have general is due to die-and wire selection indentation inappropriate, improper cutting pressure regulation, poor quality paper, paper fiber direction and die-cutting direction inconsistent scheduling, paper due to the low water content decreased flexibility caused by such factors of.
Solution: Choose the appropriate die-; proper cutting pressure regulation; to die before the first cutting of printed matter to be placed in the workshop for some time; raising workshop environment, the relative humidity. Tianjin Evergreen Printing Equipment Co., Ltd.
There is also a special case, that is, small box in the die-hard restaurant two blocks away package, a lot of distance between the location of indentation lines very close, if the indentation according to the normal configuration the height of steel wire, molding time excessive tension on the paper will lead to "explosive line." Therefore, we should try to pull on the paper produced to minimize the method are two: First, reduce the height of indentation steel wire; Second, to reduce creasing the thickness of the bottom mold section, but both can not use, or from non- the good indentation results. Better approach is to reduce the height of indentation steel wire, lowering the height is usually 0.1 ~ 0.2mm, the specific quantitative determination according to the paper, quantitative in 350g / m 2 Be lower than the indentation of paper the height of steel wire 0.2mm, quantitative in 350g / m 2 The following paper should reduce 0.1mm.
Indentation line post moves, not full
Cause of the problem: Telegraph indentation under pressure in the die twisting occurs, it can cause indentation line post moves; die-cutting pressure will cause indentation line not less than full.
Solution: were used to replace the die-cutting pressure and increase the ways to improve this problem.
Cutting fluff, dust Cause of the problem: in the cutting, we often do not appear smooth trimming cutting products, shaggy, especially in a close line from the indentation of some cutting-edge office even more serious. This is due to meet the pressure in the mold, the die version of the tape, steel wire indentation produced tension on the paper, the paper has not been completely cut through at the time was pulled off tension generated by the emergence of flash.
Solution: First, we must choose different types of paper cutting knife. Straight knife cutting knives, including knives and stripes, there are two lines of the blade height of points, lines and blade formation of different height, directly related to the cutting quality and cutting knife life. Avoid cutting the fluff, the Straight knife blade than the stripes and good; in life, the short front knife better than the high front knife. Coated paperboard in the die, should use high-front knife ruled, and the required blade is polished, it is best not to use embossing a molding process, or cutting too much pressure will produce a significant impact; in processing timely use of ordinary cardboard dwarf front knife, and in accordance with the quality of the paper fibers to determine the blade's lines. I am an expert from China Crafts Suppliers, usually analyzes all kind of industries situation, such as eva shower curtain , christmas shower curtains.
Related Articles -
eva shower curtain, christmas shower curtains,
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