AVIC experts develop new fixtures to help machining complex engine parts

Recently, the results of the 4th National Excellent Technological Innovation Achievement Selection for Employees were announced. The “New Type Assembly Fixture Application Development” project undertaken by AVIC Southern Worker Zhou Hongmei and others won the Excellence Award.

The selection of national outstanding technological innovation achievements for employees began in 2004 and is held every three years to promote technological innovation and transformation of various enterprises and institutions. A team led by Zhou Hongmei, a first-level technical expert of AVIC and senior engineer of the Southern Company, completed the application development project of the new assembly fixture. Its innovation lies in the organic cooperation of the general assembly tooling and the special tooling to make the special-shaped size in the new aero engine under development. , High-precision requirements and complex parts that are difficult to clamp can be processed smoothly, which greatly saves the economic and time costs of making special tooling, and promotes the process of new machine development.

At present, this kind of general-purpose and special-purpose tooling fixtures have been used in more than ten mechanical processing fields such as grinding, fitter, milling, numerical control, and welding. The tooling cost is more than 15 million yuan.

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