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A main shaft for processing paper tubes is installed in the middle of the paper tube slitting machine

Description of the structural advantages of the slitting machine The paper tube slitting machine is equipped with a main shaft for processing paper tubes in the middle. The front end of the main shaft is fixed on the base with a set of bearings, and a pulley is installed in the middle of a set of bearings; a compression cylinder is installed near the base to support the cylinder. A set of support rod bearings is installed at the upper end of the rod to support the main shaft. The main knife shaft is installed on the upper end of the paper tube slitting machine, and a number of blades are arranged on it, and arranged at a certain gap; the main knife shaft support frame is also set at the top of the paper tube slitting machine, and the support frame is at the top of the support frame. A supporting cylinder is installed in the middle. When there is a film on the slitting machine and the roll joint is changed, the vacuum film splicing table is used to first start the film splicing table to the working position, and the film on the first traction roller of the slitting machine is manually flattened and the upper vacuum pump is activated to suck the film. Adsorb it smoothly on the film splicing table, paste the double-sided tape and cut off the excess film under the tape, flatten the film on the unwinding rack and start the lower vacuum pump to make the film absorb smoothly, remove the upper paper layer of the tape and level it The mucous membranes and joints should be neat and wrinkle-free, then turn off the upper and lower vacuum pumps, and open the membrane splicing table to the non-working position. Description of the control principle of the slitting machine The essence of constant tension control in the process of unwinding and unwinding is to know the change of the coil diameter during the load operation. Due to the change of the coil diameter, in order to maintain the operation of the load, the split machine requires the output torque of the motor to follow the change of the coil diameter. And change. For the V series inverter, because it can do torque control, it can complete the winding constant tension control. The V series inverter provides three analog input ports, AUI, AVI, and ACI. These three analog inputs can be defined as multiple functions. Therefore, one can be selected as the torque reference, and the other one can be used as the speed limit. 0~10v corresponds to the inverter output 0~ rated torque of the motor, so that the constant tension control can be completed by adjusting the voltage of 0~10v. For Duyu slitting machine, the part that calculates the roll diameter is calculated by the tension controller. Of course, there is no problem to realize it with PLC architecture. In other words, you can set the tension on the man-machine or text, calculate the roll diameter through the PLC, T=F*D/2, so you can calculate the torque that the motor needs to output, and connect it to the V series frequency converter through the analog output The torque setting end of the converter is sufficient. Synchronous speed calculation of slitting machine manufacturers. Since we know that when the frequency converter is working at low frequency, the AC asynchronous motor of the slitting machine has poor characteristics, low activation torque and linearity, so it is necessary to avoid winding during the entire process of winding. The motor works below 2HZ. Therefore, the winding motor has a minimum speed limit.
12 2021/08

Rewinding machine operating procedures

one. Position preparation. Operators arrive 10 minutes early 2. Check and understand the operation of the equipment, check the hidden dangers of the equipment, check the sanitation of the equipment and the on-site sanitation, and make a record of the inspection. 3. Understand the production and quality conditions before the shift, and be familiar with the work site. 4. Familiar with process standards, master product quality requirements, product specifications, dimensions, roll paper length, indicators and tasks, etc. 5. Do personal safety protection and equipment safety protection. 6. Conscientiously implement the shift shift system and keep a record of shift shifts. two. Rewind preparation. 1. Crane operators and rewinders should first check whether the information on the parent roll tracking list on the base paper meets the requirements of the process standards, specifications, etc. 2. Check whether the marks of various paper defects on both ends of the base paper roll are clear and consistent with the content on the tracking sheet. 3. Crane operators should carefully operate in accordance with safe driving regulations. 4. Put the base paper roll on the unloading rack steadily, put the drum groove on the shaft head and the alignment track groove to the locked position, and dock it with the hydraulic coupling.
21 2021/07

Checking method and solving problem of high-speed slitting machine

A kind of high-precision processing equipment, currently widely used in papermaking, printing industry, paper trade industry. When we all operate and use the slitting machine, we all know how to inspect the high-speed slitting machine? The development of high-speed slitting machine fault diagnosis equipment and instruments analyzes the development of virtual instrument technology. Turn on the power and make sure that the voltage, current and hydraulic system are correct and stable. Before the high-speed slitter equipment is ready for operation, all personnel must notify the leaving equipment to ensure the personal safety of the personnel. During the operation, we all avoid using knives or hard objects to cut and cut the core of each drum. One package: Before the equipment is put into use, we can ensure that the position is adjusted and lubricated. Check whether the tool is sharp. After the high-speed slitting machine runs normally, the engine will run for free, check for abnormalities, and then enter the order in advance. After work, the equipment should be adjusted in time according to the production conditions under the best working conditions to ensure medium pressure, cutting burrs, and laying flat on the right side. Ensure the smooth and precise cutting length of the cross-cutting machine on the paper, increase the production management of vertical and horizontal cutting machines, constantly monitor the operating status, and pay attention to wallpaper and product defects. There is a problem with the high-speed slitting machine, and we all need to solve the problem in time. These are also what we all need to do well.
08 2019/06

Talking about the importance of equipment maintenance

1. How to do the daily maintenance of equipment The prerequisite and foundation for the use of industrial equipment is the daily maintenance and maintenance of the equipment. During the long-term use of the equipment in different environments (including harsh environments), mechanical parts wear, gaps increase, and coordination changes, which directly affect the original balance of the equipment. The stability, reliability, and use efficiency of the equipment will be reduced to a considerable extent, and even cause the mechanical equipment to lose its inherent basic performance and fail to operate normally. In this way, the equipment must be overhauled or replaced with new equipment, which undoubtedly increases the cost of the enterprise and affects the reasonable allocation of enterprise resources. Therefore, it is necessary to establish a scientific and effective equipment management system, strengthen the daily management of equipment, combine theory with practice, and formulate equipment maintenance and maintenance plans scientifically and reasonably. Special personnel are responsible for and implement various systems, regulations, and plans, and do daily maintenance and maintenance work; regularly check the maintenance and maintenance conditions, and carefully record the operation and maintenance of the operation. Specifically include the following aspects: 1 Strengthen the daily maintenance of the equipment to prevent false and leaky guarantees Maintenance work must be enforced and should be linked to the enterprise's reward and penalty system, rewarding the good and punishing the bad, and mobilizing the enthusiasm of the construction staff. Do a good job in maintenance work. Maintenance work should be started from the source to prevent substituting cultivation for maintenance. 2 Strengthen the daily inspection work of equipment Special personnel should be arranged to conduct inspections of equipment points, and record equipment operation conditions in detail through smart handheld terminals, including equipment daily operation status, operating time, maintenance times, etc., in order to analyze and judge possible equipment failures, and timely and accurately eliminate hidden troubles. 3 The management and monitoring of equipment should be strengthened Equipment management personnel should master the situation, understand the equipment performance, make a scientific and reasonable maintenance plan based on the performance of the equipment and the allocation of corporate resources, and manage and monitor maintenance activities and procurement activities to avoid unnecessary waste of funds. 4 Establish and improve the repair and maintenance system of mechanical equipment Emphasize the role of equipment management and improve the data statistics system. The entry and exit status of machinery and equipment, equipment operation status, performance indicators, and repair and maintenance status should all be registered in detail, so that one machine and one book should be documented. 5 Strengthen the learning and training of machinery and equipment management personnel and maintenance personnel Have a high sense of responsibility and professionalism in thought. In terms of technology, it is necessary not only to understand the principle, structure, and performance of the equipment, but also to quickly determine the cause of the failure, repair and eliminate the fault in time, and give full play to the performance of the equipment. Second, the economic benefits of equipment daily maintenance The daily maintenance of the equipment is to check the equipment, clean the components, replace the wearing parts, etc., to ensure that the equipment is maintained in normal operation. On the surface, companies have to pay funds to maintain the daily maintenance of equipment, but from the overall situation and long-term benefits, there are the following points: (1) Regular maintenance has simple technical requirements and low cost, while ensuring the normal operation of the equipment, reducing the wear of parts and extending the service life of the equipment, allowing the enterprise to allocate limited resources more scientifically and rationally, and at the same time achieve: The purpose of streaming and open source. (2) The shorter the service life of the equipment, the higher the reliability, and the longer the service life, the lower the reliability. The lower the reliability, the more the mechanical equipment is prone to failure, the more serious the physical wear of the equipment, the greater the cost of repairing it. Modern machinery and equipment are capital-intensive equipment, and the equipment investment and use costs are very expensive, and the economic benefits of equipment management are urgently required. Therefore, it is necessary to reduce the physical wear of the equipment through the daily maintenance and maintenance of the equipment, and reduce the maintenance cost and other abnormal e
21 2021/07

Slitting machine inspection failure mode and common problem inventory

In addition to classic statistical analysis, time domain and frequency domain analysis, time series analysis and parameter identification models, as well as the latest developments in refining technology, frequency, resonance demodulation analysis and cepstrum analysis, it also analyzes and processes the three-dimensional vibration signal of the high-speed slitting machine Holographic spectrum analysis, axial trajectory analysis, short-time Fourier transform based on assumptions and non-stationary signals, wing distribution and wavelet transform. Through the existing microcomputer-based real-time online monitoring and fault diagnosis system and portable monitoring and analysis system, the development of virtual instrument technology, fault diagnosis equipment and instruments is analyzed, and the development of virtual instrument technology is analyzed. Turn on the power of the slitter to ensure that the voltage, current and hydraulic system are correct and stable. Before the slitter equipment is ready for operation, all personnel must notify the leaving equipment to ensure the personal safety of the personnel. When checking. Do not touch the slitting machine to avoid personal injury. During the operation, avoid cutting and cutting the core of each drum with a knife or hard object. The first package: Before the equipment is put into use, it must be ensured that the position is adjusted and lubricated. Check whether the tool is sharp. After normal operation, the engine of the slitter will run for free, check whether there is any abnormality, and then enter the order in advance. After work, the equipment should be adjusted in time according to the production conditions under the best working conditions to ensure medium pressure, cutting burrs, and laying flat on the right side. Ensure the smooth and precise cutting length of the slitting machine on the paper, increase the production management of vertical and horizontal cutting machines, constantly monitor the operating status, and pay attention to wallpaper and product defects.
05 2020/01
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