Ultra-thin blade machine, with its thin blade, sharp, slitting corrugated cardboard cut smooth without burr, inside, surface paper does not break, corrugated after the cut is not deformed, can perfectly reflect the actual thickness of the cardboard, and equipped with automatic sharpening, automatic The advantages of adjusting knife, line equipment, etc., have been favored by the carton packaging industry.
With the increasingly fierce market competition, the original manufacturers who do not intend to use ultra-thin knife-cutting tools have to make the choice of updating equipment. This undoubtedly creates a good business opportunity for the packaging machinery manufacturing industry. So the ultra-thin blade machines with different styles, different performances and different prices have appeared on the market. Faced with these problems, if we cannot scientifically and rationally purchase products according to our actual needs, and we do not have a complete understanding of the performance of the equipment, then the purchase of an ultra-thin blade machine will not only fail to achieve the desired effect, but it will bring Many troubles come.
Here I will discuss the purchase, use and maintenance of ultra-thin blade machines, as well as the common faults and causes analysis, for peer reference:
First, buy
To purchase an ultra-thin blade machine with excellent performance, elegant appearance, moderate price, robustness, and easy operation, we must first understand the type, shape, structure, transmission method, accuracy of paper separation, and effectiveness of the machine currently on the market. Whether the use of width, degree of automation, grinding knife wheel, blades, electromagnetic pneumatic valves and other spare parts are easy to purchase.
The models currently sold in China's ultra-thin blade machines market are either domestically made or imported. They are mainly divided into two types: one is vertical and used with the corrugated cardboard production line; the second is the desktop, which is suitable for independent stand-alone use. The single-waf machine without cardboard line is divided into paper or a small amount of cardboard. They are divided into ordinary type, improved type and high-end computer numerical control. Paper width 1.20-2.50m; paper accuracy ± 0.2-1.5mm.
The so-called ordinary type, whether vertical or desktop, it is only a set of thin knife and pressure roller, chain drive, supporting power 4-6kw, manually adjusting knife line. Electromagnetic and pneumatic control grinding knife; improved vertical type for the upper and lower two groups of thin knife, pressure line wheel, and can be freely turned 360 °, the knife line wheel can be hydraulically lift, but also manual adjustment, transmission mode for ordinary steel gear rotation. In addition to the common advantages of the desktop, it is also a gear drive, but its paper feed table, feeding positioning baffle slightly longer tens of centimeters, the rear of the paper knife installed guide wheel, avoiding more than 1.50m The disadvantages of paperboard slitting deflection; In addition to the improved performance of the high-end type, the addition of a computer numerical control device, as long as the input data, adjust the knife line can be completed instantly, cutting, pressure line accuracy 0.20-0.50mm, and has automatic Error correction, paper quantitative knife sharpening function (as long as the set number of meters is reached, it will automatically grind the blade without affecting the normal production), the frequency conversion speed regulating motor saves electricity more conveniently, and the advanced nylon gear transmission is super Low noise, smooth rotation, no vibration, even more avant-garde and attractive. In addition to this table, there are automatic paper feeding and bilateral positioning devices. The cardboard after slitting and pressing lines is more accurate and beautiful. The desktop is also equipped with a linkage of the cardboard lines, and the design tends to be perfect.
Ultra-thin knife machine wearing parts: First, thin blades, the specifications are divided into: thickness: 1.20mm-1.30mm, diameter: 245-300mm, diameter: 105-175mm range, manufacturing materials due to different price differences, The imported blade is the best in Korea, with an effective service life of 5 million meters, followed by Taiwan, with an effective mission life of 1 million meters, and an effective domestic life of 500,000-800,000 meters. Common specifications selected 260×158×1.20 are preferred. In addition, it is a sharpening wheel, with gold steel sand as the best. The general model is: 50×15×15×7×2, which is common to various models. Third, the solenoid valve, cylinder, its model specifications are: QB25V-8, pressure 0.7-0.8MPa; QCX, bore diameter 41.1 × 25, telescopic range of 30-47, allowing the maximum pressure of 1.0Mpa (more than universal).
After we have learned about the performance, advantages and disadvantages of various ultra-thin blade machines, we will determine the options based on the actual needs of the production, the satisfactory price, and the brand, and then use the following methods to judge the pros and cons:
A: Look: The appearance is beautiful, the paint surface is smooth, the color is smooth and uniform, and the structure is reasonable and compact. There are no obvious defects in the paper guide rollers, gears, chains, pinch rollers, blades, and grindstones, and the machine runs smoothly without shaking.
B: Listen: Start the machine, the sound is normal, no sharp or special metal friction, no vibrato.
C: touch: feel the electroplating roller, pressure roller, the surface of the paper knife is smooth, work is fine.
D: Test: You can bring different corrugated board thickness tester with different material thickness, single machine cut more than 2m, the length of paperboard skew is not more than 1.5mm, the knife edge is bright and clean, and the normal tile is not deformed.
If you choose the best in this way, we will not be able to buy a satisfiable slim blade machine.
Second, use and maintenance
When using, first carefully check whether the fasteners are loose, whether the power valve leaks, whether the various operating keys are sensitive, then lubricate the lubrication parts, thin knife drive gear coated with high temperature resistant calcium grease, and then according to production requirements Adjust the knife line. Here we must pay attention to adjust the knife distance, the slitting blade should be lifted away from the sipe before moving, and do not interlock with the sipe, otherwise it will easily lead to blade deformation or damage the blade. After the knife position is adjusted, the blade is slowly put into the sipe, and the depth is 3-5mm. The blade must be in the center of the sipe, and it must not be deviated. The two can't contact each other. Otherwise, the blade and the s Burned out. The adjustment of the guide roller should be on the same line as the indentation line, and the feed positioning baffle should be fastened and parallel to the side edge of the equipment. Otherwise, the cut board can be easily deflected, causing extra wheel marks. After everything is in order, confirm the correctness and then manually drive the wheel. If there is no abnormality, turn on the power and turn it on.
The quality of the blade in the production of each 200-500mm sharpen a sharpening time, to maintain the paper-cut incisions and beautiful appearance is appropriate, at the same time pay attention to paper and other foreign objects, do not get involved in the blade drive gear, so as not to damage the gears and bearings. After the production is completed, the paper scraps and oil stains on the equipment shall be promptly removed to keep the machine table clean.
After the thin blade machine is used for a period of time, it is necessary to re-tighten the fastening screws. In particular, the screws fixing the blade must be inspected frequently, otherwise the blade may be damaged or the flying blade may hurt. The grinding wheel must also be adjusted in time so that it will be in close contact with the blade when it is sharpened. When the thickness of the grinding wheel is less than 2mm, the new grinding wheel must be replaced. When the outer diameter of the blade is less than 225mm, it must be replaced. The service life of the blades and grinding wheels depends on their quality, the number of papers, and the quality of the paper. When selecting a supplier with good quality and good reputation, it can achieve cost-saving and product-level improvements.
Third, the common fault analysis
1. Difficult start or unable to start
1 lack of voltage; 2 power supply phase loss; 3 circuit fuse blown; 4 motor has been broken; 5 drive wheel fixed key off; 6 drive gear into the foreign body stuck; 7 have bearing damage or sipe gap adjustment is too narrow, the blade is card.
2. Automatic shutdown
1 Power failure; 2 Incorrect adjustment of the frequency range of the inverter; 3 The wheel suddenly drops off; 4 The computer input is incorrect.
3. Grinding wheel cannot move freely
1 Inadequate air pressure; 2 Damaged solenoid valve; 3 Damage to the cylinder that controls the lift of the grinding wheel, or the loose spring of the traction return; 4 The grinding wheel is stuck too tightly to the blade, which is caused by incorrect adjustment of the grinding wheel.
4. Suddenly the machine noise increases and there is rhythm vibration
1 Loose fasteners; 2 Drive gear fly into paper edge.
Fourth, common corrugated board cutting deviation causes analysis:
1. Slit cardboard tail deflection
1 misadjustment of the paper feed positioning baffle; 2 minutes of the knife has a blunt, and there is a difference with other knife's linear speed; 3 paper guide wheel is adjusted improperly; 4 paper feeds improperly.
2. Cardboard flash
1 minute paper knife is blunt, should be polished; 2 blade and knife slot overlap too shallow; 3 knife edge rolled into the paper edge, paper hair, should be thoroughly cleaned and then boot; 4 slot gap is too large, generally not more than 2.5 Mm is appropriate.
3. Indentation line rupture
1 base paper is poor; 2 pressure line is too deep
4. The pressure line is not straight
1 Pressing line is too shallow, fold lines are uneven, which affects the appearance of the box; 2 paper feeding is skewed; 3 the upper and lower pressure lines are not adjusted.
5 cardboard incision is not vertical
1 tool holder angle is not correct; 2 blade is not in the center of the sipe; 3 blade grinding.
With the increasingly fierce market competition, the original manufacturers who do not intend to use ultra-thin knife-cutting tools have to make the choice of updating equipment. This undoubtedly creates a good business opportunity for the packaging machinery manufacturing industry. So the ultra-thin blade machines with different styles, different performances and different prices have appeared on the market. Faced with these problems, if we cannot scientifically and rationally purchase products according to our actual needs, and we do not have a complete understanding of the performance of the equipment, then the purchase of an ultra-thin blade machine will not only fail to achieve the desired effect, but it will bring Many troubles come.
Here I will discuss the purchase, use and maintenance of ultra-thin blade machines, as well as the common faults and causes analysis, for peer reference:
First, buy
To purchase an ultra-thin blade machine with excellent performance, elegant appearance, moderate price, robustness, and easy operation, we must first understand the type, shape, structure, transmission method, accuracy of paper separation, and effectiveness of the machine currently on the market. Whether the use of width, degree of automation, grinding knife wheel, blades, electromagnetic pneumatic valves and other spare parts are easy to purchase.
The models currently sold in China's ultra-thin blade machines market are either domestically made or imported. They are mainly divided into two types: one is vertical and used with the corrugated cardboard production line; the second is the desktop, which is suitable for independent stand-alone use. The single-waf machine without cardboard line is divided into paper or a small amount of cardboard. They are divided into ordinary type, improved type and high-end computer numerical control. Paper width 1.20-2.50m; paper accuracy ± 0.2-1.5mm.
The so-called ordinary type, whether vertical or desktop, it is only a set of thin knife and pressure roller, chain drive, supporting power 4-6kw, manually adjusting knife line. Electromagnetic and pneumatic control grinding knife; improved vertical type for the upper and lower two groups of thin knife, pressure line wheel, and can be freely turned 360 °, the knife line wheel can be hydraulically lift, but also manual adjustment, transmission mode for ordinary steel gear rotation. In addition to the common advantages of the desktop, it is also a gear drive, but its paper feed table, feeding positioning baffle slightly longer tens of centimeters, the rear of the paper knife installed guide wheel, avoiding more than 1.50m The disadvantages of paperboard slitting deflection; In addition to the improved performance of the high-end type, the addition of a computer numerical control device, as long as the input data, adjust the knife line can be completed instantly, cutting, pressure line accuracy 0.20-0.50mm, and has automatic Error correction, paper quantitative knife sharpening function (as long as the set number of meters is reached, it will automatically grind the blade without affecting the normal production), the frequency conversion speed regulating motor saves electricity more conveniently, and the advanced nylon gear transmission is super Low noise, smooth rotation, no vibration, even more avant-garde and attractive. In addition to this table, there are automatic paper feeding and bilateral positioning devices. The cardboard after slitting and pressing lines is more accurate and beautiful. The desktop is also equipped with a linkage of the cardboard lines, and the design tends to be perfect.
Ultra-thin knife machine wearing parts: First, thin blades, the specifications are divided into: thickness: 1.20mm-1.30mm, diameter: 245-300mm, diameter: 105-175mm range, manufacturing materials due to different price differences, The imported blade is the best in Korea, with an effective service life of 5 million meters, followed by Taiwan, with an effective mission life of 1 million meters, and an effective domestic life of 500,000-800,000 meters. Common specifications selected 260×158×1.20 are preferred. In addition, it is a sharpening wheel, with gold steel sand as the best. The general model is: 50×15×15×7×2, which is common to various models. Third, the solenoid valve, cylinder, its model specifications are: QB25V-8, pressure 0.7-0.8MPa; QCX, bore diameter 41.1 × 25, telescopic range of 30-47, allowing the maximum pressure of 1.0Mpa (more than universal).
After we have learned about the performance, advantages and disadvantages of various ultra-thin blade machines, we will determine the options based on the actual needs of the production, the satisfactory price, and the brand, and then use the following methods to judge the pros and cons:
A: Look: The appearance is beautiful, the paint surface is smooth, the color is smooth and uniform, and the structure is reasonable and compact. There are no obvious defects in the paper guide rollers, gears, chains, pinch rollers, blades, and grindstones, and the machine runs smoothly without shaking.
B: Listen: Start the machine, the sound is normal, no sharp or special metal friction, no vibrato.
C: touch: feel the electroplating roller, pressure roller, the surface of the paper knife is smooth, work is fine.
D: Test: You can bring different corrugated board thickness tester with different material thickness, single machine cut more than 2m, the length of paperboard skew is not more than 1.5mm, the knife edge is bright and clean, and the normal tile is not deformed.
If you choose the best in this way, we will not be able to buy a satisfiable slim blade machine.
Second, use and maintenance
When using, first carefully check whether the fasteners are loose, whether the power valve leaks, whether the various operating keys are sensitive, then lubricate the lubrication parts, thin knife drive gear coated with high temperature resistant calcium grease, and then according to production requirements Adjust the knife line. Here we must pay attention to adjust the knife distance, the slitting blade should be lifted away from the sipe before moving, and do not interlock with the sipe, otherwise it will easily lead to blade deformation or damage the blade. After the knife position is adjusted, the blade is slowly put into the sipe, and the depth is 3-5mm. The blade must be in the center of the sipe, and it must not be deviated. The two can't contact each other. Otherwise, the blade and the s Burned out. The adjustment of the guide roller should be on the same line as the indentation line, and the feed positioning baffle should be fastened and parallel to the side edge of the equipment. Otherwise, the cut board can be easily deflected, causing extra wheel marks. After everything is in order, confirm the correctness and then manually drive the wheel. If there is no abnormality, turn on the power and turn it on.
The quality of the blade in the production of each 200-500mm sharpen a sharpening time, to maintain the paper-cut incisions and beautiful appearance is appropriate, at the same time pay attention to paper and other foreign objects, do not get involved in the blade drive gear, so as not to damage the gears and bearings. After the production is completed, the paper scraps and oil stains on the equipment shall be promptly removed to keep the machine table clean.
After the thin blade machine is used for a period of time, it is necessary to re-tighten the fastening screws. In particular, the screws fixing the blade must be inspected frequently, otherwise the blade may be damaged or the flying blade may hurt. The grinding wheel must also be adjusted in time so that it will be in close contact with the blade when it is sharpened. When the thickness of the grinding wheel is less than 2mm, the new grinding wheel must be replaced. When the outer diameter of the blade is less than 225mm, it must be replaced. The service life of the blades and grinding wheels depends on their quality, the number of papers, and the quality of the paper. When selecting a supplier with good quality and good reputation, it can achieve cost-saving and product-level improvements.
Third, the common fault analysis
1. Difficult start or unable to start
1 lack of voltage; 2 power supply phase loss; 3 circuit fuse blown; 4 motor has been broken; 5 drive wheel fixed key off; 6 drive gear into the foreign body stuck; 7 have bearing damage or sipe gap adjustment is too narrow, the blade is card.
2. Automatic shutdown
1 Power failure; 2 Incorrect adjustment of the frequency range of the inverter; 3 The wheel suddenly drops off; 4 The computer input is incorrect.
3. Grinding wheel cannot move freely
1 Inadequate air pressure; 2 Damaged solenoid valve; 3 Damage to the cylinder that controls the lift of the grinding wheel, or the loose spring of the traction return; 4 The grinding wheel is stuck too tightly to the blade, which is caused by incorrect adjustment of the grinding wheel.
4. Suddenly the machine noise increases and there is rhythm vibration
1 Loose fasteners; 2 Drive gear fly into paper edge.
Fourth, common corrugated board cutting deviation causes analysis:
1. Slit cardboard tail deflection
1 misadjustment of the paper feed positioning baffle; 2 minutes of the knife has a blunt, and there is a difference with other knife's linear speed; 3 paper guide wheel is adjusted improperly; 4 paper feeds improperly.
2. Cardboard flash
1 minute paper knife is blunt, should be polished; 2 blade and knife slot overlap too shallow; 3 knife edge rolled into the paper edge, paper hair, should be thoroughly cleaned and then boot; 4 slot gap is too large, generally not more than 2.5 Mm is appropriate.
3. Indentation line rupture
1 base paper is poor; 2 pressure line is too deep
4. The pressure line is not straight
1 Pressing line is too shallow, fold lines are uneven, which affects the appearance of the box; 2 paper feeding is skewed; 3 the upper and lower pressure lines are not adjusted.
5 cardboard incision is not vertical
1 tool holder angle is not correct; 2 blade is not in the center of the sipe; 3 blade grinding.
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