Discussion on the manufacturing process of the die

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Discussion on the production process of high-quality carton die-cutting plate IV

VII. Indentation should be accurately expanded. The use of biodegradable plastic bottom mold production

(I) the production of indentation bottom mold mainly has the following methods:

hand stick bottom mold, which is the earliest production method of indentation bottom mold. It is made by sticking carbon paper on the bottom mold steel plate to press out the impression, and manually splicing the bottom mold groove according to the stamping position. This method is inefficient in making indentation bottom mold, and the indentation line is not full enough, and the number of indentation is very few. This backward production method has been eliminated in Europe and the United States and other developed countries as early as a few years ago. With the continuous development and popularization of new technology, this method will eventually be eliminated in China

open the bottom mold with the bottom mold slotting machine, and use big data to change the research and development method of new materials to produce the bottom mold. This manufacturing process is to manually draw the bottom mold material or print the line mark on the die cutting machine, and then use the special indentation bottom mold slotting machine to mill the groove on the bottom mold material with the saw blade milling cutter of the required groove width. The quality of the produced indentation bottom mold varies greatly due to the technical level of the operators; At the same time, the overall production cost is high, and now this kind of production process is less and less used

fiber indentation bottom mold. The bottom mold material of this processing method is fiberboard, which is hard and durable. It is generally used in die cutting of extremely long boards. The manufacturing process is relatively complex, and it needs to be made on a special computer bottom mold processing machine. The overall manufacturing cost is high and the adaptability is poor

steel bottom formwork. This manufacturing method is to electrically process grooves directly on the bottom formwork steel plate. The advantages of the processed steel formwork are excellent dimensional stability and mechanical strength, while the disadvantages are complex process and expensive proprietary equipment. This production method is the most expensive one in the production of base template. It can be selected in the extremely long version and single product die cutting

indentation die. This method of making indentation bottom template with indentation die is the simplest, fastest and convenient method. It does not need to buy equipment or customize the bottom template. Through simple operation, a neat and standard indentation bottom template can be made on the bottom template steel plate. It has strong durability and low price, and is suitable for the different needs of short, medium and long versions, The method of making indentation bottom mold with indentation mold is the most widely used method in the world, and it is also a new method that has been rapidly developed and applied in China in recent years. Next, we will introduce in detail the selection and operation of the bottom template for indentation molding

selection and operation of indentation mold base template:

the structure and model of indentation mold: the indentation mold is mainly composed of indentation base mold, positioning plastic strip, strong base film and protective adhesive tape. The model of the indentation die is expressed by "groove maximum pressure, automatic alarm, time delay, test results can be stored and other functions, depth x groove width"

common types of indentation dies. According to different positions of use, indentation dies can be mainly divided into four different types: standard type, ultra narrow type, unilateral narrow type, and even pit type

standard type - used at the position with wide distance between both sides of the indentation line in work. This type number is ordinary type

ultra narrow type - used where the indentation line is close to the die cutter

unilateral narrow type - used for the position where the indentation line is close to the indentation line

continuous pit type - used with two or more indentation lines with a distance of less than 4mm

(to be continued)

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