With the increase in demand for plastic flexible packaging products. The color printing factory and the bag making factory put forward higher requirements on the quality and after-sales service of the equipment while purchasing the packaging equipment, such as: bag making precision, color mark identification, flat end face flatness, color matching precision of composite products and equipment. How long does it take for the faulty equipment manufacturer to repair it on site? These requirements are undoubtedly a new challenge for equipment manufacturers, how to face challenges, and then meet customers, which is the main factor in their survival.
However, users of flexible packaging equipment such as color printing factories and bag making factories have thought about another aspect, that is, when you have spent a reasonable amount of money to buy back the equipment, do you know how to use it properly and how to maintain it? How to eliminate some minor faults. Of course, this is a matter of professional ethics, but your loss of time will be difficult to estimate. So sometimes don't prevent yourself from moving your hands and try to minimize the hours of work. Let's talk about how to deal with some common glitch. May be helpful to you.
The size of the bag making mechanism bag is not accurate, which is a common fault in the bag making equipment. At present, the fixed length methods of the equipment used by everyone can be roughly divided into two categories: one, mechanical fixed length, that is, the use of overrunning clutch; second, electrical type fixed length, that is, stepper motor and AC servo motor. Mechanical fixed length equipment, if the machining precision meets the design requirements, the new equipment may not be fixed in length. You can see if the umbrella gear is adjusted in position, because the position is not adjusted, the mechanical inertia will cause the fixed length. quasi. In addition, you can check whether the pin and the locking screw are loose, and whether there is oil on the brake, which will affect the fixed length accuracy. However, if it is used for more than one year, it is necessary to check whether the mechanical transmission part has worn out and whether the rubber roller is slippery due to wear and tear. These are the main reasons for the indeterminate length. If this is the case, it is only with the equipment manufacturer.
When the fixed length of the electric appliance is used, since the stepping motor has many similarities with the servo motor, the current stepping motor has a larger market share than the servo motor, so it is important to talk about the fixed length of the stepping motor. The common stepping motor can be divided into 400 steps, 480 steps and 600 steps per week (360°). Please specify the accuracy you require when purchasing the equipment to avoid the accuracy. In addition, you should ask about the tracking method when making the printing bag, such as scanning (that is, first go through the fixed length, then scan the color standard), and the fixed length check type (that is, check if there is a color mark after the fixed length is over) Still not in place), so that you can use it in the future. When the appearance of the new equipment is not fixed, you should first look at whether the connection between the stepping motor and the rubber roller is connected. This is why the Zui is easy to cause the length and length, which is likely to be caused by vibration during transportation. The looseness of the screw and the looseness of the timing belt are the reasons why the Zui is easy to cause the length of the length. Secondly, it is checked whether the rubber roller is not pressed in place and the thread is loose. It can also be confirmed directly by the fixed length method without a material to determine whether it is a mechanical fault or an electrical appliance. Fault, the number of the rubber roller is multiplied by π, the number is removed to the computer, and the recording device is started on the rubber roller. At this time, the rubber roller should just go one week. If you stop at the same position every revolution, it means that the electrical part is good. At this time, you should check whether the rubber roller is clamped. Because the rubber roller is not clamped, the material will slip, so the length is not allowed. If the rubber roller is not in place every week and the stepping motor is very noisy, this indicates that the fault is on the electrical appliance and can be quickly made with the manufacturer.
There is also a fault phenomenon that a short section will suddenly appear during operation. There are two common reasons for this situation: 1. The bearing is broken; 2. There is a shifting phenomenon in the operation of the equipment, that is, the lifting and lowering speeds of the equipment are not uniform during operation. The treatment method of this kind of failure is: 1 replacing the bearing; 2 pulling the transmission chain; 3 adjusting the lifting force of the lifting knife spring, so that the speed of the falling knife and the lifting knife are basically average.
Another fault phenomenon is that the tracking is not accurate (here, the printing factor is removed first, that is, the printing accuracy is considered to have met the requirements). First, confirm whether the electric eye is adjusted, and then confirm your current tracking mode (ie black work or white work). After zui, you need to confirm which tracking method your purchased device is. There have been two types mentioned above, namely, scanning type and fixed length checking type. The former is to scan the color mark after the fixed length, and in this way, you need to leave the scanning area when setting the length, that is, if you make The 200mm long bag, you should set it to 198mm, leave 2mm, then the electric eye can't scan, so there is no tracking accuracy. If it is the latter, the equipment you purchased is fixed length check, the setting is the opposite of the previous one, that is, the 200 mm bag is set to 200 mm, if you set it to 198 mm, it will always be It's not sure, but either way, there will be an error of about 0.5 mm. That's because the error is different depending on the size of the rubber roller and the stepper motor. You buy this when you buy the device. Be clear.
Let's talk about the feeding link below. Speaking of this problem, many users think that feeding is nothing more than when there is material, when it is stopped, when it is not expected. In fact, otherwise, according to the author's many years of visits, many users have burned the motor, governor and inverter because the speed of the feeding motor is not high. The current of the motor at start-up is ten times larger than usual. If it is used frequently, it is easy to burn the motor and the governor. How to avoid it, the method is simple: first turn your equipment to normal working speed, then adjust the speed of the feeding motor to basically run continuously. At this time, the working current is small, the feeding will be very stable, and the motor and the speed control device will not be easily broken.
After the zui talk about the tension problem. Users often encounter this phenomenon when using the printing press and the sectional machine: the printing machine will suddenly have a slight error in the normal operation, and will automatically return to normal after a while, and the end face of the slitting product is not very flat. At this time, you may complain that the accuracy of the equipment is not enough. This is not the case, because the problem is likely to occur in tension control. At present, many tension controllers on domestic printing machines and slitting machines are pressure-regulating tension controllers. This tension controller can guarantee a constant tension torque when the external voltage is stable, and when the voltage is not Steady, fluctuations at 20 or 30 volts, the torque also changes. The drying system of the printing press is mostly heated and the power is very large, which may directly affect the stability of the power grid. In this case, you can change the tension control product to the constant torque type because this tension control The circuit used in the device is a constant current carrier type, and the fluctuation of the external voltage does not affect the torque, which will improve your printing yield.
The unevenness of the end face of the slitter is also related to the adjustment of the tension. When the slitting machine changes the winding diameter as the product is cut, the tension should be adjusted accordingly, and each time you adjust the tension, the tension will be changed and the end surface will change accordingly. How to solve it? You can't change to automatic tension, it can make small adjustments according to the change of the winding diameter from time to time, and the tension change during adjustment is absorbed by the film itself, thus ensuring the flatness of the end face.
Users may think that the constant torque tension controller and automatic tension are too expensive. In fact, the import is of course expensive, but many similar products produced by many domestic enterprises are enough to meet all your needs, and have a high performance-price ratio. These companies such as Ruian Zhengdong Industrial Control Equipment Co., Ltd., Dongguan Shunbao Automatic Control Equipment Co., Ltd., etc. It is not easy to buy a piece of equipment. It may take up your savings for many years. It is not easy to use and maintain the equipment well. Therefore, everyone should carefully understand the equipment and use the equipment before and after purchasing the equipment. This is for you. It is very beneficial to use it for you to work efficiently and efficiently in the future.
However, users of flexible packaging equipment such as color printing factories and bag making factories have thought about another aspect, that is, when you have spent a reasonable amount of money to buy back the equipment, do you know how to use it properly and how to maintain it? How to eliminate some minor faults. Of course, this is a matter of professional ethics, but your loss of time will be difficult to estimate. So sometimes don't prevent yourself from moving your hands and try to minimize the hours of work. Let's talk about how to deal with some common glitch. May be helpful to you.
The size of the bag making mechanism bag is not accurate, which is a common fault in the bag making equipment. At present, the fixed length methods of the equipment used by everyone can be roughly divided into two categories: one, mechanical fixed length, that is, the use of overrunning clutch; second, electrical type fixed length, that is, stepper motor and AC servo motor. Mechanical fixed length equipment, if the machining precision meets the design requirements, the new equipment may not be fixed in length. You can see if the umbrella gear is adjusted in position, because the position is not adjusted, the mechanical inertia will cause the fixed length. quasi. In addition, you can check whether the pin and the locking screw are loose, and whether there is oil on the brake, which will affect the fixed length accuracy. However, if it is used for more than one year, it is necessary to check whether the mechanical transmission part has worn out and whether the rubber roller is slippery due to wear and tear. These are the main reasons for the indeterminate length. If this is the case, it is only with the equipment manufacturer.
When the fixed length of the electric appliance is used, since the stepping motor has many similarities with the servo motor, the current stepping motor has a larger market share than the servo motor, so it is important to talk about the fixed length of the stepping motor. The common stepping motor can be divided into 400 steps, 480 steps and 600 steps per week (360°). Please specify the accuracy you require when purchasing the equipment to avoid the accuracy. In addition, you should ask about the tracking method when making the printing bag, such as scanning (that is, first go through the fixed length, then scan the color standard), and the fixed length check type (that is, check if there is a color mark after the fixed length is over) Still not in place), so that you can use it in the future. When the appearance of the new equipment is not fixed, you should first look at whether the connection between the stepping motor and the rubber roller is connected. This is why the Zui is easy to cause the length and length, which is likely to be caused by vibration during transportation. The looseness of the screw and the looseness of the timing belt are the reasons why the Zui is easy to cause the length of the length. Secondly, it is checked whether the rubber roller is not pressed in place and the thread is loose. It can also be confirmed directly by the fixed length method without a material to determine whether it is a mechanical fault or an electrical appliance. Fault, the number of the rubber roller is multiplied by π, the number is removed to the computer, and the recording device is started on the rubber roller. At this time, the rubber roller should just go one week. If you stop at the same position every revolution, it means that the electrical part is good. At this time, you should check whether the rubber roller is clamped. Because the rubber roller is not clamped, the material will slip, so the length is not allowed. If the rubber roller is not in place every week and the stepping motor is very noisy, this indicates that the fault is on the electrical appliance and can be quickly made with the manufacturer.
There is also a fault phenomenon that a short section will suddenly appear during operation. There are two common reasons for this situation: 1. The bearing is broken; 2. There is a shifting phenomenon in the operation of the equipment, that is, the lifting and lowering speeds of the equipment are not uniform during operation. The treatment method of this kind of failure is: 1 replacing the bearing; 2 pulling the transmission chain; 3 adjusting the lifting force of the lifting knife spring, so that the speed of the falling knife and the lifting knife are basically average.
Another fault phenomenon is that the tracking is not accurate (here, the printing factor is removed first, that is, the printing accuracy is considered to have met the requirements). First, confirm whether the electric eye is adjusted, and then confirm your current tracking mode (ie black work or white work). After zui, you need to confirm which tracking method your purchased device is. There have been two types mentioned above, namely, scanning type and fixed length checking type. The former is to scan the color mark after the fixed length, and in this way, you need to leave the scanning area when setting the length, that is, if you make The 200mm long bag, you should set it to 198mm, leave 2mm, then the electric eye can't scan, so there is no tracking accuracy. If it is the latter, the equipment you purchased is fixed length check, the setting is the opposite of the previous one, that is, the 200 mm bag is set to 200 mm, if you set it to 198 mm, it will always be It's not sure, but either way, there will be an error of about 0.5 mm. That's because the error is different depending on the size of the rubber roller and the stepper motor. You buy this when you buy the device. Be clear.
Let's talk about the feeding link below. Speaking of this problem, many users think that feeding is nothing more than when there is material, when it is stopped, when it is not expected. In fact, otherwise, according to the author's many years of visits, many users have burned the motor, governor and inverter because the speed of the feeding motor is not high. The current of the motor at start-up is ten times larger than usual. If it is used frequently, it is easy to burn the motor and the governor. How to avoid it, the method is simple: first turn your equipment to normal working speed, then adjust the speed of the feeding motor to basically run continuously. At this time, the working current is small, the feeding will be very stable, and the motor and the speed control device will not be easily broken.
After the zui talk about the tension problem. Users often encounter this phenomenon when using the printing press and the sectional machine: the printing machine will suddenly have a slight error in the normal operation, and will automatically return to normal after a while, and the end face of the slitting product is not very flat. At this time, you may complain that the accuracy of the equipment is not enough. This is not the case, because the problem is likely to occur in tension control. At present, many tension controllers on domestic printing machines and slitting machines are pressure-regulating tension controllers. This tension controller can guarantee a constant tension torque when the external voltage is stable, and when the voltage is not Steady, fluctuations at 20 or 30 volts, the torque also changes. The drying system of the printing press is mostly heated and the power is very large, which may directly affect the stability of the power grid. In this case, you can change the tension control product to the constant torque type because this tension control The circuit used in the device is a constant current carrier type, and the fluctuation of the external voltage does not affect the torque, which will improve your printing yield.
The unevenness of the end face of the slitter is also related to the adjustment of the tension. When the slitting machine changes the winding diameter as the product is cut, the tension should be adjusted accordingly, and each time you adjust the tension, the tension will be changed and the end surface will change accordingly. How to solve it? You can't change to automatic tension, it can make small adjustments according to the change of the winding diameter from time to time, and the tension change during adjustment is absorbed by the film itself, thus ensuring the flatness of the end face.
Users may think that the constant torque tension controller and automatic tension are too expensive. In fact, the import is of course expensive, but many similar products produced by many domestic enterprises are enough to meet all your needs, and have a high performance-price ratio. These companies such as Ruian Zhengdong Industrial Control Equipment Co., Ltd., Dongguan Shunbao Automatic Control Equipment Co., Ltd., etc. It is not easy to buy a piece of equipment. It may take up your savings for many years. It is not easy to use and maintain the equipment well. Therefore, everyone should carefully understand the equipment and use the equipment before and after purchasing the equipment. This is for you. It is very beneficial to use it for you to work efficiently and efficiently in the future.
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