Abstract
Based on UG II CAD/CAM system, the CNC machining process and technology of a toy car cover is studied in this paper. It includes three-dimension (3D) modeling, machining programming, fixture design and manufacturing, process parameter setting, tool path planning and editing, NC code generation (post processing), simulation processing, and practical machining. The part is manufactured successfully in a 3-axis CNC milling machine. It has a desirable shape and high accuracy. The result shows that, with the powerful CAD/CAM capabilities of UG, the integrated design and manufacturing of complex curved surface shell part is easy to implement, the process is reasonable and efficient, and the NC program is reliable. This exmple fully reflects the advantages of UG CAD/CAM integration technology. The method and technology introduced in this paper can provide valuable reference for processing of similar parts.
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