Abstract
This paper presents a new method for chatter suppression during finishing thin-walled blades. Traditionally auxiliary support is used to increase the stiffness of the structure, however, the shrink or dilate effect of the packing material, such as wax and rosin, is difficult to control, so the machining precision could not be assured. Based on the principle of stiffness optimization principle, the rigidity of the cantilever blade tip and leading/trailing edge region are improved with the non-uniform allowances distribution. The milling experiments have showed that the proposed strategy could be successfully used to realize the suppression of chatter vibration during flexible parts machining.
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