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*, knife material. The cutter of the single-piece paper cutter is made of high-hardness chrome-tungsten-manganese steel with a high-hardness chrome-tungsten steel and a low-carbon steel. The durability of the tool is proportional to the hardness of the steel in the blade section. The hardness of the blade after quenching can reach HR55~60.
Second, the shape and angle of the cutter sharpening. On a single-sided paper cutter, a single-blade cutter is generally used, and the sharpening angle is between 19° and 23°. However, the sharpened surface of this shape causes the beveled surface of the tool to withstand the pressure from the portion of the paper that is cut during the cutting process, and the bevel of the blade is quickly worn under the friction of the paper edge. The double-edged tool has obvious advantages, and its sharp edge helps reduce the load on the machine and improves the accuracy of the cutting. Therefore, the angle of the sharpening edge should be as small as possible, given the tool material, and taking into account the shear resistance of the cutting material.
Third, the quality of the paper cutter sharpening. The higher the quality of the sharpening knife, the longer the life of the cutting knife and the better the cutting quality.
Fourth, the type of material being cut. During the cutting process, the speed at which the cutter edge becomes dull is related to the wear resistance of the material being cut. When cutting paper, the speed at which the blade becomes dull is related to the softness and hardness of the paper and the amount of ash. When cutting a paper with a harder texture and a higher ash content, the blade becomes dull faster.
The above is the factor that affects the use effect and life of the cutter blade. Therefore, in the use of automatic paper cutters, CNC paper cutters, program-controlled paper cutters and other high-end paper cutters, pay attention to the use of techniques to improve the cutter blades. Use efficiency and service life.
Brief analysis of the main factors affecting the use and life of the cutter blade
The use of paper cutters provides higher cutting precision for the printing industry and packaging industry. At present, various high-end paper cutters such as automatic paper cutters, CNC paper cutters, and program-controlled paper cutters are widely used in related industries. Among them, the paper cutter blade is one of the important paper cutter components, and its sharpness and service life largely influence the production efficiency of the paper cutter. So, what are the main factors that affect the use and life of the cutter blades?