grinder a grinder that grinds the surface of a workpiece with a grinding tool coated with or embedded with abrasive. It is mainly used for grinding high-precision planes, internal and external cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other profiles in workpieces. Grinding is an important machining method in ultra-precision machining, which has the advantages of high machining accuracy and wide range of machining materials. However, traditional grinding has some shortcomings, such as low machining efficiency, high machining cost, unstable machining accuracy and quality, which limits the application of traditional grinding. This project solves most of the shortcomings of traditional grinding, improves the level of grinding technology, while ensuring the precision and quality of grinding (up to nanometer level), it also significantly reduces the processing cost, improves the processing efficiency, makes grinding technology more practical, is conducive to the popularization and application of grinding technology, promotes the progress of precision machining technology and advanced manufacturing technology in China, and enhances the competitive strength of China in the field of processing and manufacturing, which is of great practical significance, especially for revitalizing the old industrial base in Northeast China.

Advanced processing and manufacturing industry and optoelectronic industry are both characteristic industries and advantageous industries in China, and also key industries in China. Grinding technology plays an important role in the development of these two industries. The nano-scale high-efficiency grinding technology developed in this project has obvious advantages in processing efficiency, processing cost, processing quality and processing accuracy, and has a good application prospect.

The grinding machine developed by the project team using this new technology is a new high-speed grinding machine. Due to the advanced performance, the relevant grinding machine prototype has been applied in more than a dozen domestic units, and it has been exported to Australia twice, which has been widely praised by users at home and abroad. This technology is only used in the processing of individual parts, and its application is not universal enough. The processing technology should be further improved, the grinding process parameters should be optimized, and the grinding processing scope should be expanded. It is also necessary to improve the grinding machine, improve its performance and shape, so as to make it practical and commercialized, so as to promote its application more widely.

the market demand for grinding machines is very large, reaching tens of thousands, with an annual demand of thousands, with an average cost of 4, yuan, an average selling price of 8, yuan, an average gross profit of 4, yuan and a gross profit rate of 5%. According to the annual sales of 1 sets, the annual output value is 8 million yuan and the annual gross profit is 4 million yuan. This shows that the grinder developed in this project has a good market prospect. In order to popularize and apply the new grinder better, it is necessary to carry out appropriate pilot test, establish corresponding production base and carry out mass production in combination with enterprises. At the same time, we should also use the sales channels and means of enterprises to increase publicity and expand the sales of new grinding.

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