Abstract
Nowadays capital goods industry needs the machine tools with superior damping capabilities such that the goal of precision, ultra-precision can be achieved. This can be possible by incorporating the newer materials with better damping properties rather than going for the conventional material cast iron. The current work focuses on the dynamic characteristics of the Kirloskar made machine tool Turn Master35’s bed with three different polymer concrete materials. The dynamic characteristics such as natural frequencies and mode shapes are evaluated from the modal analysis module available in ANSYS workbench. To understand bed’s behavior at these frequencies, the acceleration frequency and displacement frequency curves were plotted from the harmonic response analysis available in the simulation software. The results are compared with actual cast iron bed. Out of the three polymer concrete materials, Basalt Fiber Polymer Concrete (BFPC) has better dynamic stability than the other materials. The result shows that BPFC is better material than the cast iron with significant decrease in both the acceleration and displacement amplitude. The other two materials also shown good results than the cast iron in terms of the acceleration amplitude but their displacement amplitude is higher that cast iron bed. The cast iron bed can be replaced with the BFPC, which has the sufficient damping required to absorb the loads acting on the bed structure in operating conditions.
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Ahmad, S.F., Jagadeesha, T. (2022). Dynamic Characteristics Analysis of Kirloskar Turn Master35 Machine Tool Bed with Different Polymer Concrete Materials. In: Das, B., Patgiri, R., Bandyopadhyay, S., Balas, V.E. (eds) Modeling, Simulation and Optimization. Smart Innovation, Systems and Technologies, vol 292. Springer, Singapore. https://doi.org/10.1007/978-981-19-0836-1_24
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DOI: https://doi.org/10.1007/978-981-19-0836-1_24
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