CBN grinding wheel triples aero-engine turbine blade processing efficiency

Every Friday, the team will conduct a phased comment on each topic and communicate the results of technology and skills. The team consists of 36 members, from intermediate workers to senior workers, technicians to senior technicians, engineers and senior engineers, all from the employees of China Aviation's Dawn Blade Processing Factory. The team gathers wisdom and strength, focuses on the innovation management of the main industry, and makes contributions to the hard work. Only the CBN grinding wheel is applied to the processing of product parts, which improves the processing efficiency of the part by 4 times. They developed and applied turbine roller crown top roller processing technology to increase production efficiency by 3 times. This member is clearly from the front line of the team is "Zhu Guangbin labor model innovation studio."
When it comes to this innovative studio, it is necessary to mention its core figure, Yan Guangbin. Yan Guangbin is the chief skill expert and senior technician of the industry, and is the leader of “Zhao Guangbin Labor Model Innovation Studio”. His style is excellent and his skills are superb. His blade yield is 100%. He has won more than 20 honors at the national, provincial and ministerial levels. In the work, he adhered to the principle of quality first, led the team to innovate and improve efficiency, and carefully created high-quality blades.
The processing of aero-engine turbines and blades is mainly done by slow-feeding equipment. Yan Guangbin has been responsible for the research and production of turbine blades. In recent years, the production tasks of the factory are extremely heavy. In order to meet the development and demand of the scientific research tasks of the blade, Yan Guangbin has developed and applied the technology of slow-feeding equipment at the same time but with two sections. After more than 20 years of experience, Yan Guangbin has developed a unique skill and created a variety of technologies. For example, the test piece for the first piece of test piece is used to replace the proofing test and the standard scanning test with the grinding test piece. The method shortens the processing cycle, improves the quality of the test conclusion, and shortens the inspection cycle by 4 days in a single process.
In order to improve the running speed of the slow-running grinding line, the studio carried out a quick-change grinding tool quick-change test. After the test, the conversion time between the equipments is significantly shortened, which greatly improves the running speed of the blade processing line. The arc-shaped narrow groove of the upper and lower mounting plates of the blade is one of the processing difficulties. Originally, the electric machining method has been used, which is not only inefficient, but also has low processing quality. Yan Guangbin succeeded in processing with CBN grinding wheel technology, the processing efficiency was increased by 3 times compared with the original, and the processing quality completely met the requirements of the design drawings.
A few years ago, a piece of equipment could not be processed normally. In order to be able to put into production as soon as possible, Yan Guangbin solved the problems encountered in the processing through self-made methods and improved the processing efficiency by 80%. This innovative project won the “National Youth Innovation and Innovation Award”.
In recent years, the studio has been actively carrying out lean improvement activities, and many projects involving the team are among the best in the factory and company lean project evaluation. The studio strives to improve its ability to refine management innovation. In addition to weekly innovations and communication in technology and skills, the studio holds a monthly meeting to develop innovative work for the month to jointly analyze and solve the difficulties and problems encountered in the innovation process. The monthly studio organizes a basic study of technology and skills, and experts and key employees carry out learning exchanges on the off-site, heavy and difficult leaves. Each quarter, organize a training and horizontal visits to the studio members, constantly update knowledge, broaden their horizons, and improve their skills. Every six months, the studio organizes technical and technical experts to carry out skills development training for new apprentices and young workers. At the end of the year, the studio organizes all members to comment on the team's results and the performance of each member's work, summarize work experience, take advantage of the strengths, look for deficiencies, and develop work and plans for improvement in the next year.
The studio held external communication activities in a timely manner to strengthen technical and skill exchanges. They invited equipment manufacturer experts to explain the equipment operation and function development, and communicated with the experts of the brothers to exchange and learn the difficult problems of blade processing.

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