Complex Surface Parts Overmachining Methods
Time:
2024-01-25 09:39
Complex surfaces are generally combinations of surfaces with multiple curvatures to achieve certain mathematical characteristics and to pursue functional and aesthetic effects of the appearance of the form, including aspherical surfaces, free-form surfaces and shaped surfaces.
Complex surfaces have become important working surfaces for many industrial products and parts such as aerospace, astronomy, marine, automotive parts, molds and biomedical implants. For example: aspheric optical parts can well correct a variety of aberrations and improve the identification ability of instruments; complex surface mirrors can reduce the number of reflections and power loss, mentioning the stability; complex surface engine cylinders can improve the working efficiency; at the same time, a number of mold cavities, automotive parts more and more application of complex surface shape, to achieve the functional requirements and aesthetics. With the increase in demand for complex surface parts and performance requirements continue to improve, the traditional processing methods have been difficult to meet the needs of practical applications, there is an urgent need to further improve the level of processing of complex surface parts, with a view to achieving ultra-processing. Due to the variability of the curvature of complex surfaces, the study of the material removal mechanism, subsurface damage and other characteristics of the machining accuracy and efficiency is important to improve the processing, and the pollution of the processing residual waste has been widely concerned.
The research progress of complex surface ultra-machining methods is summarized, reviewing the development of complex surface ultra-machining, explaining the principles and influencing factors of complex surface super-forming machining and super-polishing, comparing the machining tool and workpiece surface conformity, precision, surface damage, efficiency and other elements of complex surface ultra-machining, and then making predictions and outlooks on the methods of complex surface ultra-machining.
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