What level of domestic machine tools do you know in the world?
What level of CNC machine tool in China is in the world? How many foreign technologies are those so-called CNC machines with independent intellectual property rights? These problems lie in the heart of every machine tool, and I'm afraid that it is difficult for them to be difficult. From a broader perspective, in 2017, the operating conditions of China's machinery industry in the first three quarters were better than expected. While the growth rate was higher than expected, the quality of operations improved. For the machine tool industry, based on data analysis released by the National Bureau of Statistics, China's machine tool industry output in the first three quarters of the year: 577,100 gold-cutting machine tools, an increase of 7.49% year-on-year, including 189,100 CNC machine tools, an increase of 0.49% year-on-year; metal forming The number of machine tools was 238,400, an increase of 0.69% year-on-year, of which 21,300 were CNC machine tools, an increase of 15.51% year-on-year. Machine tool numerical control devices were 185,500 sets, an increase of 33.82%; metal cutting tools were 7,518 million, an increase of 17.58% over the same period. Judging from this set of data, the overall situation of China's machine tool industry looks good this year. The overall growth rate of machine tool output is faster. However, good production does not necessarily mean good quality, but it does not necessarily represent the level of China's machine tool manufacturing. Therefore, whether you are singing well or singing badly, it is better for everyone to put it down first than to look at the assessment of foreign media. Foreign media evaluation The figure above is a report of the European Machine Tool Industry Joint Commission (CECIMO) a few years ago, clearly stating that the main competitors of the European machine tool industry are Japan and Taiwan. Japan and Europe are at the same level. The evaluation of Chinese machine tools is a cheap advantage and the technical strength has been gradually improved, but it is not a major opponent and is currently not playing in a grade. It is regrettable that this assessment is still relevant. In fact, this view is still relatively recognized in the industry. In Japan, Europe, and other countries and regions, machine tool manufacturing is ahead of China in terms of technology and development. However, it is also unfair to define the development level of Chinese machine tools. After all, "there are gaps" and "bad years" are two concepts. The author has also found some netizens' opinions to see what they say.
What is a miniature slip ring? Miniature slip rings are rotary electrical connectors that allow power and data to be transferred between a stationary and rotating structure. They are often used in medical, military, and aerospace applications where size and weight are critical factors.
A miniature slip ring typically consists of two parts: a stationary housing and a rotating contact assembly. The contact assembly contains the brushes that make electrical contact with the rotating structure, as well as the rings that conduct current or data.
The housing can be made from any number of materials, including metals, plastics, and composites. It is typically designed to be as small and lightweight as possible while still providing adequate strength and durability.
The contact assembly is made from precious metals such as gold or silver in order to provide good electrical conductivity.
Technology improves with the continuous development of precision machinery. The more sophisticated the equipment, the smaller the volume will be. And the space that can be accommodated for installing the slip ring is also very small. The key parts of some equipment are quite a district. Especially in the high-end military, aerospace and aviation fields. 360-degree rotation is required to transmit current and signals. And the installation space is greatly reduced. It is to make the equipment work more smoothly. Therefore, it is necessary to design the slip ring to be small and exquisite. Otherwise, it won't meet the needs of the installation.
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At the same time, we have moved with the continuous development of science and technology. Various high-end precision instruments have been developed. It requires the slip ring to transmit the current amount of general power. Also often undertake the transmission of weak electrical signals and various weak signals. The transmission medium is wider, and the number of loops of the slip ring is increasing.
