Option 3 uses equipment that helps reduce costs (German Komori corrugated conveyor belts in Germany)
1. Long service life:
The running time is significantly longer and the average operating length is 555 to 75 million meters high (in a better production environment, the run length can reach 100 million meters or more).
Long service life, so the price per square meter is correspondingly lower.
The production stoppages and downtime are low, so the costs incurred due to production stoppages and installations are also reduced accordingly.
Selected yarns and specially designed special machines make it very tightly woven. Weaving uses many materials and high density, so it has strong wear resistance and is about three times more wear resistant than a knitted conveyor belt.
2. Advantages in the production of corrugated board:
Weaving high-absorbent fibers to improve the ability of the conveyor belt to absorb and evaporate moisture, so that the humidity can be better adjusted, the corrugated board can be dried evenly, the quality of the paperboard can be improved, and the corrugating machine can reach the maximum speed. This will increase the average production efficiency of corrugated board machines.
The unit weight of the conveyor belt ensures that the cardboard is evenly and smoothly conveyed to the hot plate section, making the cardboard more uniform and of better quality.
Conveyor belts are only automatically adjusted to the performance of various models and are automatically fixed to ensure excellent, long-term linear operation.
Specially heat-treated joints press the button deeply into the belt and cover it with a protective material. As long as it is operated correctly, this connector will last for a long period of time and will last the same life as the belt. It will also not cause pressure on the board. mark.
The stretch rate of the conveyor belt is small, each yarn is treated specially, so the control of the stretch rate is less than 0.8%. After use, the belt does not become longer and becomes narrower, and it needs to be cut short and then reconnected, resulting in waste of working hours and bad joints. It is also unable to produce the largest internal web.
Corrugating roller 1, corrugating roller surface coating material: It is known that the traditional method of extending the life of corrugating roller is to use a coating film on the surface of the roller.
(1) Chrome plating: The chrome plating film on the corrugated surface currently used in the market. Hard chrome has a hardness of about 1200-1400 VlCkers, so it is very strong but weak. The material hardness of the corrugating roller itself is only between 600-800 VlCkers.
Use effect: The corrugating roller is subjected to various resistances during operation, and the chrome plating cracks off and falls off after several hundred vibrations per minute. The surface smoothness is low and must be rubbed by the paper after several weeks of friction; the thickness of the chrome plating is generally between 0.1-0.15mm. After the dome wears, the arc of the tip increases and the corrugation rate increases, resulting in a core The paper is hugely wasteful, and after the dome wears out, it needs to be constantly re-cut and the materials are spent.
(2) RoCkwelle Tungsten Carbide Steel Coating: In North America, tungsten carbide steel coatings have been used for corrugating rolls in recent years. A superhard, anti-wear material that is mainly composed of tungsten and carbides and its hardness is second only to diamonds. At the same time, it also has good flexibility.
Usage effect: The corrugating roller with drilled tungsten carbide steel coating is used after extremely precise polishing and grinding. The surface is extremely smooth and wears little with the paper, because RoCkwelle has low wear rate and almost no wear, so tungsten carbide is used. The thickness of the steel coating is only about 0.05mm, which greatly reduces the corrugation rate and saves core paper. After wear, re-coating, without changing the diameter of the base roll, is simple and convenient.
2. Outline of Corrugating Roller (1) The roundness of the top and bottom of the V-shaped wheel corrugating roller is a key factor in its appearance. The V-shape will use less paper than the U-shape, but for decades, there has been no one. The use of V-shaped corrugations, because at that time the electromagnetic hardening and chrome plating technology is not mature, if the roof of the tile is too sharp and will quickly wear out, the cardboard will become softer and the corrugated life will be shortened.
(2) U-shaped profile: Because of the V-shaped problem, the dome and the bottom of the radon are changed into a circle, so that the wear force is not concentrated at one point, which is convenient for keeping the life of the roller. However, the U-shaped corrugation rate is high, the amount of paper used is large, the strength of the board is lowered, the operation is difficult, and the speed is slow.
(3) RoCkwell structure outline shape: due to the special process of tungsten carbide coated corrugating roller, its profile shape has a narrow tip and valley radius, making the profile more straight and stiff, the cardboard strength is higher, and the corrugation rate Because of this reduction, a large amount of core paper is saved. In addition, a smaller radius also means less contact, and the relative tension decreases.
3, corrugated roller internal condensation output method (1) non-thermal groove corrugated roll ordinary corrugated roll, due to high-speed rotation, often in the corrugated roll inside a layer of water film. We all know that a 1mm condensate equals a 50mm thickness steel plate that resists heat conduction and conduction, so its thermal conductivity is strong.
(2) The corrugating roller with heat-conducting groove has a patented heat-conducting groove, which can effectively destroy the formation of the condensate water film inside the corrugating roller, and can quickly discharge the condensate water, which will be 20%, 25% per second. The thermal energy is transmitted to the surface of the corrugating roller, which reduces the surface cooling rate during high-speed operation, eliminates the drawbacks of the ordinary corrugating roller in rapid traverse and prevents the corrugated roller banana from being produced. See the experiment of the hot recess of the German University of Technology's COBURG. Achievements:
parameter:
Heating: 2 hours to a temperature of 180°C
Operation: Stop at 150 m/min for 1 hour: At the stop time of half an hour, measure the distance from which the roller bends downward. (table below)
1. Long service life:
The running time is significantly longer and the average operating length is 555 to 75 million meters high (in a better production environment, the run length can reach 100 million meters or more).
Long service life, so the price per square meter is correspondingly lower.
The production stoppages and downtime are low, so the costs incurred due to production stoppages and installations are also reduced accordingly.
Selected yarns and specially designed special machines make it very tightly woven. Weaving uses many materials and high density, so it has strong wear resistance and is about three times more wear resistant than a knitted conveyor belt.
2. Advantages in the production of corrugated board:
Weaving high-absorbent fibers to improve the ability of the conveyor belt to absorb and evaporate moisture, so that the humidity can be better adjusted, the corrugated board can be dried evenly, the quality of the paperboard can be improved, and the corrugating machine can reach the maximum speed. This will increase the average production efficiency of corrugated board machines.
The unit weight of the conveyor belt ensures that the cardboard is evenly and smoothly conveyed to the hot plate section, making the cardboard more uniform and of better quality.
Conveyor belts are only automatically adjusted to the performance of various models and are automatically fixed to ensure excellent, long-term linear operation.
Specially heat-treated joints press the button deeply into the belt and cover it with a protective material. As long as it is operated correctly, this connector will last for a long period of time and will last the same life as the belt. It will also not cause pressure on the board. mark.
The stretch rate of the conveyor belt is small, each yarn is treated specially, so the control of the stretch rate is less than 0.8%. After use, the belt does not become longer and becomes narrower, and it needs to be cut short and then reconnected, resulting in waste of working hours and bad joints. It is also unable to produce the largest internal web.
Corrugating roller 1, corrugating roller surface coating material: It is known that the traditional method of extending the life of corrugating roller is to use a coating film on the surface of the roller.
(1) Chrome plating: The chrome plating film on the corrugated surface currently used in the market. Hard chrome has a hardness of about 1200-1400 VlCkers, so it is very strong but weak. The material hardness of the corrugating roller itself is only between 600-800 VlCkers.
Use effect: The corrugating roller is subjected to various resistances during operation, and the chrome plating cracks off and falls off after several hundred vibrations per minute. The surface smoothness is low and must be rubbed by the paper after several weeks of friction; the thickness of the chrome plating is generally between 0.1-0.15mm. After the dome wears, the arc of the tip increases and the corrugation rate increases, resulting in a core The paper is hugely wasteful, and after the dome wears out, it needs to be constantly re-cut and the materials are spent.
(2) RoCkwelle Tungsten Carbide Steel Coating: In North America, tungsten carbide steel coatings have been used for corrugating rolls in recent years. A superhard, anti-wear material that is mainly composed of tungsten and carbides and its hardness is second only to diamonds. At the same time, it also has good flexibility.
Usage effect: The corrugating roller with drilled tungsten carbide steel coating is used after extremely precise polishing and grinding. The surface is extremely smooth and wears little with the paper, because RoCkwelle has low wear rate and almost no wear, so tungsten carbide is used. The thickness of the steel coating is only about 0.05mm, which greatly reduces the corrugation rate and saves core paper. After wear, re-coating, without changing the diameter of the base roll, is simple and convenient.
2. Outline of Corrugating Roller (1) The roundness of the top and bottom of the V-shaped wheel corrugating roller is a key factor in its appearance. The V-shape will use less paper than the U-shape, but for decades, there has been no one. The use of V-shaped corrugations, because at that time the electromagnetic hardening and chrome plating technology is not mature, if the roof of the tile is too sharp and will quickly wear out, the cardboard will become softer and the corrugated life will be shortened.
(2) U-shaped profile: Because of the V-shaped problem, the dome and the bottom of the radon are changed into a circle, so that the wear force is not concentrated at one point, which is convenient for keeping the life of the roller. However, the U-shaped corrugation rate is high, the amount of paper used is large, the strength of the board is lowered, the operation is difficult, and the speed is slow.
(3) RoCkwell structure outline shape: due to the special process of tungsten carbide coated corrugating roller, its profile shape has a narrow tip and valley radius, making the profile more straight and stiff, the cardboard strength is higher, and the corrugation rate Because of this reduction, a large amount of core paper is saved. In addition, a smaller radius also means less contact, and the relative tension decreases.
3, corrugated roller internal condensation output method (1) non-thermal groove corrugated roll ordinary corrugated roll, due to high-speed rotation, often in the corrugated roll inside a layer of water film. We all know that a 1mm condensate equals a 50mm thickness steel plate that resists heat conduction and conduction, so its thermal conductivity is strong.
(2) The corrugating roller with heat-conducting groove has a patented heat-conducting groove, which can effectively destroy the formation of the condensate water film inside the corrugating roller, and can quickly discharge the condensate water, which will be 20%, 25% per second. The thermal energy is transmitted to the surface of the corrugating roller, which reduces the surface cooling rate during high-speed operation, eliminates the drawbacks of the ordinary corrugating roller in rapid traverse and prevents the corrugated roller banana from being produced. See the experiment of the hot recess of the German University of Technology's COBURG. Achievements:
parameter:
Heating: 2 hours to a temperature of 180°C
Operation: Stop at 150 m/min for 1 hour: At the stop time of half an hour, measure the distance from which the roller bends downward. (table below)
Result Roller Center Temperature Deviation °C Roller Concaveness mm No Heat Groove Roller Water 2mm 12°C 0.50mm No Heat Groove Roller Water 2mm 17°C 0.80mm RoCkwell Hot Groove Roller Water 2mm 14°C 0.03 Mm
Conclusion: The corrugating roll with the heat-conducting groove is less deformed, so the generation of waste paper is reduced.
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