Abstract
In this paper, for the large scale production demand of waveform spring, it combines UG advantage of complex surface modeling and computer numerical control (CNC) machining, uses this way of surface modeling method of bicubic B-spline to establish the stamping die geometry model for the need of waveform spring production. And from a process point of view, it analyzes the key issues of die CNC machining to achieve the selection of optimal small tool radius, tool path rational planning and rough finishing parameters set. The application results show that: the shape precision of die surface could meet the design requirements and could achieve the precision stamping of waveform spring.
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