In the production process of the egg tray machine, the concentration of the slurry directly affects the quality of the product. If the concentration is too low, the strength of the product is low, which easily causes product damage, breakage, and fakes. If the concentration is too high, the weight of the product will be increased, and the materials will be ruined. Both of them will lead to the improvement of the production cost of the product. The manual control of the pulp concentration has poor accuracy and slow response speed, and the automatic control is much better.
The practice shows that this control has a fast response speed and high control accuracy. The product productivity and yield can reach or even exceed the design requirements, fully satisfying the production needs. Although there are ready-made pulp consistency control systems used in the paper industry in China, due to the equipment dispersion in the pulp molding process, the slurry distribution pipeline is longer, and the slurry concentration control in all egg tray systems is more difficult.
Therefore, the multi-point test and multi-point adjustment are used to adjust the slurry concentration. The control process uses the pid algorithm. The concentration change information is sent by the sensor for the measurement of the slurry concentration. The amount of diluted water is controlled by the control computer to output the control response after calculation. You can be satisfied with the control request that changes abruptly, and also with the control request that accumulates the trend.
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The egg tray machine is an assembly line work. All links must be synchronized and accurate, and there must be no leaks. This needs to be slowly corrected to meet your ideal requirements. The control system checks regularly to reduce the possibility of hidden dangers.
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The egg tray machine requires a machine, electrical integration, high degree of automation in the production process, safe and reliable operation, and the entire process is basically unmanned. Due to the complex process of the egg tray machine production line, the on-site operating environment is relatively humid, and there is a certain degree of equipment Corrosion, many input/output I / O points, and low field failure rate and high reliability are required. According to the process flow and control requirements (mainly in the order of action cycle), a programmable controller can be used instead of a single-chip computer as the core component of the control system.
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