Affiliation:
1. Institut Teknologi Sepuluh Nopember (ITS)
2. Institut Teknologi Sepuluh Nopember Surabaya (ITS)
Abstract
Chatter is a self-excited vibration that occurs during machining process. It becomes a limitation to productivity and reduces the surface quality of work piece. Increasing dynamic stiffness of the work piece will improve its stability limit against chatter occurrence.Initial linear-approach simulation performing finite element modal and harmonic response analysis of the work piece filled with granular stiffener (sand and gravel) is presented. Drucker-Prager granular frictional material model is chosen to represent sand and gravel used as stiffener. Drucker-Prager parameters are chosen based on the experiment setting condition.Effect of an addition of the granular stiffener on the dynamic stiffness of the work piece will be evaluated. The simulation results are verified by experiment results.
Publisher
Trans Tech Publications, Ltd.
Reference13 articles.
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Cited by
2 articles.
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