Application of PLC Technology in Industrial Automation

The application of PLC technology in industrial automation. The emergence of PLC has had a major impact on the field of industrial automation control, providing a wider, more reliable and more effective control operation for various automation control facilities. PLC has broken the simple logic or sequential control mode and developed into complex process control, motion control, information control and even remote control. PLC technology is widely used in many industrial fields such as steel, petroleum, chemical, and manufacturing. Its position in industrial automation control is unshakable.

The application of PLC technology includes: PLC in data collection and management information control, with its powerful operations, table lookup, sorting, data transmission, data conversion, bit operation and other functions, complete information acquisition, analysis and processing of information. The realization of this control is usually applied to some relatively large control systems such as metallurgy, papermaking, and food industry.

Logic control of PLC technology switching quantity. PLC technology has several significant advantages, such as easy maintenance, fast speed, high reliability, simple operation, and many soft contacts. On the one hand, it can greatly improve the system quality, on the other hand, it can save manpower and material resources. And time, in case of large systems with more lines and difficult to modify problems.

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CNC Milling

CNC Milling Machine is an automatic processing equipment developed on the basis of general milling machine.The processing techniques of the two are basically the same, and the structure is somewhat similar.CNC milling machines are divided into two categories: without a tool magazine and with a tool magazine.The CNC milling machine with a tool magazine is also called a machining center.
Features
In addition to the characteristics of ordinary milling machines, CNC milling has the following features:
1.The parts are highly adaptable and flexible, and can process parts with particularly complicated contour shapes or difficult to control dimensions, such as mold parts and shell parts;
2.It can process parts that cannot be processed or difficult to machine with ordinary machine tools, such as complex curve parts and three-dimensional space surface parts described by mathematical models;
3.Parts that can be processed in multiple processes after being able to process a single clamping position;
4.The processing precision is high, the processing quality is stable and reliable, the pulse equivalent of the numerical control device is generally 0.001mm, and the high-precision numerical control system can reach 0.1μm. In addition, the numerical control processing also avoids the operator`s operation error;
5.High degree of production automation, can reduce the labor intensity of the operator. Conducive to the automation of production management;
6.High production efficiency. CNC milling machines generally do not need special process equipment such as special fixtures. When replacing workpieces, it is only necessary to call the machining program, clamping tool and tool data stored in the numerical control device, thus greatly shortening the production. cycle.
Secondly, the CNC milling machine has the functions of milling machine, boring machine and Drilling Machine, which makes the process highly concentrated and greatly improves the production efficiency.
In addition, the spindle speed and feed speed of the CNC milling machine are infinitely variable, so it is beneficial to choose the best cutting amount.

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