Abstract
Robotic belt grinding serves as a pivotal method for achieving precision machining in re-manufacturing of aeroengine components made of Inconel 718. During grinding, the heat partition ratio (Rw) significantly influences the quality of the machined workpiece, which is affected by many grinding parameters. Belt wear, which is an unavoidable phenomenon during grinding, can substantially impact Rw. However, previous research works have paid little attention to the effect of belt wear. In this study, the variation of Rw with belt wear is comprehensively investigated by observing heat generation and heat input. Firstly, the belt wear behaviors are qualitatively and quantitatively described. Then, the impact mechanism of belt wear on force-related characteristics is analyzed to clarify the change rule of heat generation. Following this, the variations of temperature-related characteristics during belt wear are examined. Meanwhile, the heat input is obtained by the combination of finite element analysis and the inverse heat method. Finally, a rapid growth followed by a gradual decrease pattern of Rw with belt wear is derived and analyzed. The findings in this paper lay a crucial foundation for controlling the grinding quality during robotic belt grinding Inconel 718.
Published Version
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