Research Progresses on Incremental EMF Technology for Thin-walled Components
With the development of China's high-end manufacturing industries,the demands for thin-walled components in many industrial fields such as aerospace were increased dramatically.The high-speed forming characteristics,traditional EMF was successfully applied to the production of thin-walled components of some key lightweight materials.However,due to the limitations of forming coil and discharge equipment,it was difficult to process large-scale and complex structure parts.In the past decade,incremental EMF technology was developed and gradually applied to the large thin-wall components processing,where a large number of research results were emerged.On the basis of brief-ly describing the principle and characteristics of EMF technology,the existing incremental EMF tech-nology was divided into two categories according to the processing form:incremental electromagnetic composite forming and incremental electromagnetic direct forming.The research status of each processes was expounded from the aspects of basic principle,technical scheme and application results.Thus the main problems existing in the incremental EMF technology were analyzed,then the future development prospects and research direction of the incremental EMF technology were prospected.
thin-walled componentincrementalelectromagnetic forming(EMF)incremental electromagnetic composite formingincremental electromagnetic direct forming
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