The correct use of slotting knife for carton printing slotting machine

 

Carton printing slotting machine, molding machine and various printing die cutting and other multi function joint machine. It has the characteristics of high quality, high education, compact structure and so on. It is widely used by carton packaging enterprises. Slotting knife is one of the necessary tools. Its service life directly affects the quality of carton slotting and manufacturing cost. It is one of the problems that need to be improved in the quality management and cost management of similar enterprises. Tool wear is related to the cutting of paper. When the slotting tool is working, the cutting edge of the ruler will cut the cardboard while the surface will be subjected to relative friction. The sand content in many cardboard is high 5%~l0%, and the sand grain produces Lieutenant's grinding and scraping relative to the edge, which makes the metal plastic deformation and fatigue wear off on the edge surface. The service life of the cutter decreases with the increase of the use time and the sand content of the cutting board (quartz sand, etc.) and the increase of the impurity.

 

There are some problems in the carton printing machine: one is that the slotting knife (top knife) can only be used once and the life is short; two is the poor effect of the grinding tool, the quality of the slotting is not stable; the three is the poor wear resistance of the blade, and some of the edges of the blade are partially cracked; the four is the frequent addition of the new knife, the big expense and the higher production cost. The method of improving life is mentioned in this paper. Some factors which are very difficult to avoid or life impact due to accidental bruise are not mentioned here. Through subjective efforts, the practical solution is to solve the problem of the reuse of old knives and new knives, thereby prolonging the service life of slotting knives. www.chinacartonmachine.com

 

In today's fierce market competition with the core of quality and price, this problem is becoming more and more concerned by the leaders of the enterprises, promoting the innovation, saving and increasing efficiency of enterprises, and taking the road of connotation development. This paper discusses how to improve the service life of slotting knives. The slotting knife consists of two parts: the upper knife and the lower knife. The common knives are the arc knife and the arc sawtooth two. The knife has a semicircular sharp angle knife or a semicircle right angle knife, and a semicircle slot wide gear ring. The service life of slotting knives depends on whether the quality of cardboard grooving is in line with product standards. The quality of slotting is generally reduced with the wear of the cutting edge of the tool. It will produce the phenomena of edge, burr, fragmentation and scraps. When the product does not conform to the standard, the slotting knife needs to be changed. There are certain differences in the service life of imported and domestic slotting knives.

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