Research progress on magnetic grinding technology for the inner surface of aircraft engine bend
As a core component of the aviation engine piping system,the quality of the inner surface of the bent pipe determines the overall performance and safety of the engine.Magnetic abrasive grinding has advantages such as no need for specialized processing equipment,high precision,good flexibility and profiling,and easy automation.It is expected to become the main technical approach for precision machining of the inner surface of aircraft engine bent pipes.It introduced the methods and mechanisms of magnetic particle grinding,summarizes the effects of magnetic pole shape,magnetic pole head taper,and magnetic pole slotting on magnetic particle grinding,as well as the effects of process parameters such as working gap,speed,mixing ratio,and mesh number on surface roughness and material removal.It was proposed that discrete method based on slotted magnetic poles to improve the precision and efficiency of magnetic particle grinding.It was proposed that optimization approach based on genetic algorithm optimized BP neural network to predict the optimal magnetic particle grinding process parameters for aircraft engine bend pipes.The evaluation method for magnetic particle grinding effect was summarized.It listed theapplication of magnetic particle polishing technology in precision machining of the inner surface of aircraft engine bends,and looked forward to the development trend of magnetic particle polishing technology for the inner surface of aircraft engine bends.
aircraft engine bend pipemagnetic particle grinding mechanismprocess parametersimpact assessmentdeveloping trends
万方数据
维普
