3results about How to "Reduced dimensional accuracy" patented technology

The application discloses a kind of progressive forming device, process and process design method of engine boss component, belong to aerospace equipment technical field, the progressive forming process of engine boss component includes the following steps: S1.to high-temperature alloy material is preheated;S2.high-temperature alloy strip after preheating is handled by progressive die, and the boss component is prepared.The process method disclosed in the application effectively solves the problems existing in the traditional processing method by the continuity of production and high-speed production rhythm of progressive die, combined with material heating temperature control system.The process method has the advantages of improving production efficiency, reducing cost, improving product precision and consistency, and reducing deformation risk, etc., and can realize high-quality, high-efficiency boss product production.

The utility model discloses a kind of co-cured composite material transmission shaft forming tool, including upper die, lower die and two cover plates;The upper die, lower die and two cover plates are closed to form the forming cavity of composite material transmission shaft;Two ends of the forming cavity have metal joint cavity.The utility model forms accurate composite material transmission shaft forming cavity by the close cooperation of upper die, lower die and two cover plates, ensure the effective control of size accuracy and shape accuracy during forming process, improve the overall quality of product, in addition, the metal joint cavity designed at the two ends of forming cavity, so that metal joint and composite material can be co-cured in the same process, strengthen the bonding strength between metal joint and composite material, improve the overall performance and reliability of transmission shaft.