How to Solve the Low Precision of Carton Die Cutting Machine

Low die-cutting accuracy or inaccurate location of die-cutting indentation will have an important impact on the actual use of production and processing technology, which can no longer produce important characteristics and values in certain aspects. It is necessary to constantly improve the imperfect areas so as to make them have a good development space in carton equipment. Value, so that it has efficient production and use power, in the use of carton machinery industry shows good performance and trends.

The position of die-cutting indentation line does not correspond to the position of printed products. The reasons for this failure are as follows:

(1) There are errors in the manufacturing process of the die cutter version body, which can not absolutely reach the ideal die-cutting indentation position. The different working conditions between die-cutting indentation and printing will cause the deforming or stretching of cardboard fibers, and also make die-cutting indentation inaccurate. The die-cutting indentation should be ensured as much as possible to ensure the identity of the working environment (i.e., the same temperature, humidity, etc.). At present, there are two main methods of making die-cutting cutter plate: manual plate-making and laser plate-making. Laser plate-making has high precision. The design and cutting are completed by computer and machine. It is suitable for die-cutting of middle and high-grade packaging.

(2) The rules of cardboard mouth are different. All die-cutting machines themselves will produce precision errors. In order to improve the accuracy of die-cutting indentation, we must choose a high-precision die-cutting machine. Manual plate-making method requires high technical level of plate-maker. Plate-maker is influenced by many factors such as technical level and experience of plate-maker. It is suitable for medium and short plate packaging with low precision requirement. Therefore, in order to get a good die-cutting accuracy, we must choose advanced plate-making methods. For example, the error of the size of the cardboard mouth is large, it may be that the post-positioning (also known as secondary positioning) of the die-cutting machine is too small, which can be solved by adjusting the post-positioning and increasing the post-positioning distance.www.chinacartonmachine.com

(3) The position of die cutting indentation and printing is not aligned. The solution is to recalibrate the die cutting plate according to the product requirements, set the position of positive printing and die cutting indentation, and adjust the position of die cutting indentation and printing grid through the positioning rules of paper conveyor side or front positioning rules.

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