High-speed cutting, high-efficiency cutting and efficient machining have always been the focus of the China Knife Association in recent years. The earliest advocacy of high-speed cutting originated from some phenomena at the end of the last century. At that time, many companies spent a lot of money to purchase foreign good processing centers, but they were reluctant to purchase good tools, resulting in insufficient use of machine tools and inefficient production. Of course, due to various restrictions on policies and systems, the shortage of contract orders by enterprises is also a cause of this phenomenon.
In fact, having good equipment but not having the right tools for supporting production is a greater waste of resources. The operating rate of the machine tool is insufficient to reduce the production efficiency, and the depreciation of equipment and fixed assets causes the production cost to rise. It is in this situation that we advocate high-speed cutting to improve processing efficiency and reduce processing costs. This is also the theme and center of the “First China Tool Association Advanced Tool Cutting Technology High-Level Forum†held in Nanjing in 2003. The value of the tool in machining itself is not high, but the role played is very important, because the tool is the most dynamic factor in the cutting process. There is good equipment and no matching tool is actually missing a leg, efficiency Still can't go up.
The use of high-speed cutting is to improve processing efficiency and reduce costs, but not for high speed and high speed, can not ignore the other two things, one can use other methods can also improve efficiency and reduce costs, and second, the real cutting time only accounts for processing 1/3 to 1/2 of the time, the improvement of management level, the reduction of auxiliary time and the application of advanced technology can also improve the processing efficiency. So we began to advocate high-speed cutting without ignoring efficient cutting. Advocating efficient cutting, in fact, through the use of high-quality tools and process reforms to improve processing efficiency, this time is no longer all rely on CNC equipment to improve efficiency, but also depends on tool structure improvement and process improvement.
Tool users have come to the fore in one road, and many industries in China do not currently have equipment that uses imported high-quality tools. Therefore, it is recommended to use high-efficiency cutting and other methods to improve efficiency. Large cutter milling cutters and turning tools are not simple to increase the amount of cutting. It is necessary to make some improvements in the tool structure and design, such as increasing the rigidity of the tool, optimizing the force parts, etc. The example is the development of crankshaft machining from milling cutters, broaches to high-speed milling cutters. The cutting efficiency has been improved by more than 10 times. There are also composite tools that can complete a variety of processes. If you compare high-speed cutting to fighting, then more efficient cutting is more wits.
The tool needs to be placed in a large environment that includes many factors such as equipment, management and process conditions. From high-speed cutting to high-efficiency cutting, there are many articles to be done in the process of advancement to efficient machining. The concept and scope of this tool has been step by step. Step up. High-speed cutting, high-efficiency cutting and high-efficiency machining are mutually exclusive. High-speed cutting has its own advantages. While developing high-efficiency cutting, it does not oppose the use of various methods to optimize the machining process, improve machining efficiency, and depreciate. It is processed efficiently. The problem is that the current foreign tool manufacturers have strong technical research and development and production capacity, they will have a total solution to the user, which is very convenient for users. But we have to see that in the tool selection, only the tool manufacturer is in an equal position to get good returns. Therefore, our tool users can't rely too much on the tool manufacturer's solution. They need to actively seek the tool solution. They need to know how to use the tool and can improve the shortage of the tool. Therefore, much research and promotion in the basic theory and practical application of tools and applications requires a lot of work.
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