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Six features are eye-catching
In the 1980s, the United States proposed research and development of "adaptive control" machine tools, but because many automation links such as automatic detection, automatic adjustment, automatic compensation, etc. have not been resolved, although there are various tests, but the progress is slow. Later, in the field of electric machine tools (EDM), the first "adaptive control" was realized. The discharge gap and machining process parameters were automatically selected and adjusted to improve the machining accuracy, efficiency and automation of the machine tool. The intelligent machine tool first exhibited by Japan's MAZAK company in September 2006 has taken a step forward in the future of the ideal "adaptive control" machine tool.
Japan's intelligent machine tool has six major features: First, it has the function of automatically suppressing vibration. It is well known that in high-speed machining, the machine tool is prone to vibration and the tool is prone to wear. The machine automatically suppresses vibration and greatly improves machining accuracy. Second, automatic measurement and automatic compensation, reduce the impact of high-speed spindle, vertical raft, bed thermal deformation, so that the machining accuracy of the machine is greatly improved. Third, it has the function of automatically preventing the collision of the tool and the workpiece, which can greatly reduce the sudden accident and improve the reliability of the machine tool. Fourth, there is a function of automatically replenishing lubricating oil and suppressing noise, which can greatly improve working conditions. 5. The numerical control system has a special man-machine dialogue function, which can display the tool path on the monitoring screen during programming, which further improves the cutting efficiency. Sixth, the machine tool fault can be diagnosed remotely.
Create conditions for production automation
The prospect and goal of machine tool technology development is to realize the overall automation of equipment manufacturing industry, from stand-alone automation to FMC, CIM, CIMS, improve processing accuracy, efficiency, reduce manufacturing costs, and create more wealth for mankind. In the process of realizing the whole disk automation, the technical problems that need to be solved are extremely complicated, not only to solve the problem of replacing manual labor, but also to solve the problem of replacing mental labor. It includes processes, tools, logistics, networking, information storage, control, and more. How to replace human manual and mental labor with intelligence is the most critical core issue.
The emergence of intelligent machine tools has created conditions for the future equipment manufacturing industry to achieve full production automation. First, the machining accuracy and efficiency of the machine tool can be improved by automatically suppressing vibration, reducing thermal deformation, preventing interference, automatically adjusting the amount of lubricating oil, and reducing noise. Secondly, for the further development of integrated manufacturing systems, the level of automation of a single machine tool can greatly reduce the workload of people in managing machine tools. People can have more energy and time to solve complex problems outside the machine tool, and further develop intelligent machine tools and intelligent systems. Third, the development and innovation of numerical control systems have played an extremely important role in the intelligentization of machine tools. It can store a large amount of information, store, analyze, process, judge, adjust, optimize and control various information. It also has important functions such as: fixture database, dialog programming, tool path inspection, process time analysis, start time analysis, actual machining load monitoring, machining navigation, adjustment, optimization, and adaptive control.
The development of intelligent machine tools is a new development after the wave of nano-ization, high-speed, composite, five-axis linkage, etc., and has created more favorable conditions for further research and development of adaptive control, FMS, CIM and CIMS. It will have a great influence and promotion for the future development of factory automation.
Intelligent machine tool research has a long way to go
Since the creation of a complex production tool, the machine tool, human beings have been striving to improve the automation of machine tools in order to reduce physical labor. So far, there are three major stages: from 1930 to 1960, from manual machine tools to machine, electricity, liquid high-efficiency automated machine tools and automatic lines developed into the first stage, mainly to solve the problem of reducing physical labor. The development of digitally controlled machine tools from 1952 to 2006 is the second phase, which solves the problem of further reduction of physical strength and part of mental work. After the development of intelligent machine tools in 2006, it can be used as the third stage, and it is possible to gradually form a boom. Accelerating the development of intelligent machine tools will further solve the problem of reducing mental work.
In the 21st century, CNC machine tools will be developed from the automation of mechanical motion to the intelligentization of information control on the basis of existing technologies. Its speed and height will depend on talent, research, innovation and cooperation. The world's first intelligent machine tool exhibited in 2006 needs further improvement and improvement. For example, in terms of machine, electricity, liquid, gas, optical components and control systems, there are still many research topics, and the journey is still very long. A lot of in-depth research is needed to reach the level of mature “adaptive control†machine tools. Especially in the automatic collection, storage, adjustment, control and optimization of processing parameters; in the aspects of intelligence, network, integration, reliability, stability, durability, etc., further research is needed.
The development prospect of intelligent CNC machine tools is very broad. It is the goal of the world's manufacturing technology to further improve efficiency, automation, intelligence, networking, and integration. It is also the direction of development to a higher stage based on today's digital control machine tool technology. It is expected that in the first half of the 21st century, it is possible to realize the “adaptive control†of a single machine tool on the existing machine tool technology, and gradually develop into a manufacturing system; in the latter half, it is possible to establish CIM and CIMS with different levels of intelligent technology. The speed of its development will depend on human efforts and the improvement of science and technology.
Intelligent: the development direction of the world's machine tool technology
In the 21st century, the world's machine tool technology has developed rapidly, and there has been a new leap in precision, efficiency, automation, intelligence, networking, and integration. At the IMTS'06 exhibition held in the United States from September 6 to 13, 2006, the Japanese MAZAK company exhibited the first intelligent machine tool, which was a major breakthrough. In the future, this kind of comprehensive intelligent machine tool will lead the world's machine tool technology into a new development field.