Although China's cutting and tooling technology has made some progress in recent years, compared with the advanced level of modern cutting technology, there is still a big gap. In this case, the application of advanced cutting technology and tools to improve the processing efficiency of enterprises has great potential to be tapped, which can play an important role in ensuring the completion of production tasks. This is also a good time for the industry to pick up the cutting technology.
So, how to apply modern cutting technology to improve the processing efficiency of enterprises? You can start from the following aspects:
First of all, an important symbol of the rapid development of cutting technology in recent years is the continuous improvement of the performance of tool materials and the rapid advancement of coating technology, especially the large-scale cemented carbide materials and their turning and milling inserts. . The newly developed carbide inserts of various tool companies are springing up, and their varieties cover all fields of cutting and processing. Usually the introduction of a new grade can increase cutting efficiency by 20% to 30%, and some even up to 100%. Therefore, a comprehensive review of the old materials used by the company for a long time, the elimination of some of the old brands, the use of the corresponding new materials, new grades, especially the use of coated grades instead of uncoated grades, can improve the processing efficiency can receive immediate results.
Secondly, the rapid development of new tool structures also plays an important role in improving machining efficiency. For example, Sandvik Coromant's new CoroDrill880 carbide indexable shallow hole drill can improve the feed rate or cutting speed compared with the original shallow hole drill due to the significant improvement in the structure of the tool (sheet). Nearly double, the processing efficiency can be increased by about 70%, and better processing accuracy and surface quality can be obtained. Another example is the Harbin Steam Turbine Works, which encountered the problem of large-diameter deep-hole machining when it produced the first 600,000-kilowatt supercritical steam turbine in China. If it was processed with traditional hole machining tools, each hole would take 6.7 hours to complete the machining task. . Later, the plant used a composite drill from Kennametal. The processing time per hole was only 0.5 hours, the processing time was reduced by about 93%, and the processing task of about 200 deep holes that was not completed in the previous 40 days was completed in 5 days. All done. It can be seen that enterprises should actively use abundant advanced tool resources to improve processing efficiency or solve the processing problems encountered in production, and use this as an opportunity to continuously improve the application level of cutting technology and tools.
Third, in recent years, the tool industry has developed new types of tools for certain machinery industries, which have the characteristics of high efficiency or innovative technology, and play an important role in promoting the progress of processing technology in the industry. For example, the insert milling (drill) knife, multi-function milling cutter, large feed milling cutter, horn milling cutter and other tools developed for the mold industry have played an important role in improving mold processing efficiency and innovating mold processing technology. Therefore, enterprises should take advantage of the learning opportunities such as attending training courses, seminars, and exhibitions, and through the magazines, advertisements, professional websites and other information channels, to timely understand and collect the latest developments of the industry's knives, for my use, so that the company always maintains Advanced machining levels and leading machining efficiency.
In addition, cutting technology has some common results, such as indexable tools instead of welding knives, squeezing blades and spiral-blade inserts with horns, and other integral indexable inserts that can replace general-purpose high-speed steel knives. Alloy drills, end mills and other tools, these tools have a general effect on improving the processing efficiency of a large number of vehicles, milling and drilling processes, and have long been proved by production practice, and have been applied in some enterprises in China. However, the unavoidable fact is that there are still quite a few enterprises that have not fully adopted this part of technology for various reasons, and have been using tools that have long since fallen behind, thus restricting the development of enterprises for a long time. Companies should plan to use common advanced cutting technology and tools to quickly change the appearance of the tool.
The above-mentioned role of the tool on the development of the enterprise only refers to the aspect that meets the actual needs of the enterprise. Cutting technology and cutting tools, as the most important basic processes of mechanical processing, play a more important role in the long-term development of the enterprise, because it is the independent development of enterprise construction. An important part of the system and the ability to improve technological innovation. Enterprise innovation includes product innovation and innovation in manufacturing processes. For product innovation, the completion of structural design is only the first step in the development of new products. It is often innovated through the manufacturing process, and only a new product containing the manufacturing process is a viable product. Therefore, the innovation of manufacturing process is the key technology for enterprise development. Innovation in cutting processes and tools plays an important role in manufacturing process innovation. For example, in the aircraft industry, a new type of aluminum alloy thin-walled member is used in place of the original welded and riveted assembly members, so that the weight of the member is reduced, the strength is increased, and the manufacturing cost is lowered, and the final thin-walled member can be finally put into production. Thanks to the development of new high-speed cutting technology for aluminum alloys.
An important factor in the development of manufacturing is the constant introduction of new materials. These new materials often meet the tougher working conditions of the part, thereby improving the performance of the product. However, a common feature of these new materials is poor machinability. Therefore, whether new materials can be put into production depends on the development of new cutting processes and tools. In recent years, the European automotive industry has introduced a new cast iron, compacted graphite iron (CGI), to make engine cylinder blocks, cylinder heads and other parts, which can reduce the weight of the engine and increase the working pressure, which is conducive to energy saving and environmental protection. It is favored by the automotive industry and predicts that it will revolutionize the automotive industry. However, this new material has poor machinability compared to gray cast iron, short tool life and low processing efficiency, and new tools and processes must be developed. The production of the cylinder production line made of this material was finally put into production. It was also achieved after several years of cooperation between the company and the tool manufacturer, after the development of new tools and cutting processes. Taking the oil well pipe of the petroleum industry as an example, as the depth of the oil well increases, the material strength of the oil pipe is also continuously improved, and the cutting process of the oil pipe thread has undergone corresponding changes. The early processing of low-strength pipe threads was a turning process with three tooth combs. Later, a three-tooth comb process was developed for machining medium and high-strength pipe threads. In this process, China's oil well pipe production enterprises introduced the three-tooth comb cutting technology in the early stage, and later introduced the car-laying process. The lack of independent research and development capability of the cutting process is an important reason. Since the reform and opening up, many mechanical processing enterprises have introduced, introduced, and introduced new products. The common problem is that enterprises lack the ability to accumulate cutting technology and develop independently.
At present, in order to implement the scientific development concept and build innovative enterprises, mechanical processing enterprises are emphasizing the construction of independent development systems and innovation capabilities. To this end, we must overcome the traditional "heavy mainframe, light supporting" thinking, paying enough attention to the manufacturing process technology, especially the cutting process, making it a part of the enterprise's independent development system and becoming the core technology for building an innovative enterprise. One. In the face of the rare development opportunities in the machinery industry, the emphasis on cutting technology and cutting tools will become a powerful driving force for enterprise development.
Microscope Slides And Cover Slips
1. The glass slide is used to put the sample to be tested, and the cover glass is covered on the sample to be tested.
2. The glass slide is at the bottom, which is the carrier for the material you want to observe, that is, you want to put something on it.
3. The cover glass is smaller than the slide glass. The glass slide is mainly used to hold the observation objects. The cover glass is covered on the slide glass and used for fixing.
4. The glass slide is a thicker piece of glass in the transfer slide, which is used to carry the real object. The cover fragment is the small round or square thin one.
5. Mounting is a general term for a set of things, including slides, coverslips and loaded objects
6. The cover glass is square, the slide glass is rectangular, and the width is longer than the side of the cover glass.
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