Journal
INTERNATIONAL JOURNAL OF MACHINE TOOLS & MANUFACTURE
Volume 42, Issue 1, Pages 115-122Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0890-6955(01)00088-8
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In this work on line and off Line measures for chatter suppression in cutting flexible turbine blades on a five-axis machine were implemented. The off line measure was implemented by increasing the feed rate at times when the rotary axes were undergoing large increments. A spindle speed ramping controller was implemented for on line control. A combined scheme was also implemented where both the feed scheduling, off line, and speed ramping, on line, effected the cutting simultaneously. Cutting tests of aluminum turbine blades were conducted to test the effectiveness of the different vibration suppression measures. Each measure, on and off line, worked well individually, and better results were obtained under the combined scheme. (C) 2001 Elsevier Science Ltd. All rights reserved.
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