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Abstract:
In the factory, there are many hollow shafts with thin wall need to be machined using boring operations. When machining the workpiece with thin wall the relationship between the dynamics of the bar and the workpiece has a strong and complex influence on the machining stability. The reason is that the stiffness of workpiece is at the same magnitude as the boring bar. The machining stability is sensitive to the minute change of the relationship between the dynamics of the bar and the workpiece. At the same time, it is difficult to analyze and improve the machining stability because the dynamics of the workpiece has a significant change along with the cutting process. For the boring chatter avoidance, this paper gives a mathematic model depicting the chatter mechanism for boring the thin walled workpiece. By utilizing numeric simulation method in the time domain, it is analyzed that how the relationship between the dynamics of the bar and the workpiece affects the boring stability.
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Year: 2004
Page: 491-495
Language: English
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ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 3
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