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Published in: The International Journal of Advanced Manufacturing Technology 5-6/2020

23-03-2020 | ORIGINAL ARTICLE

Out-of-roundness compensation technique in machining of femoral head prosthesis using conventional CNC machine

Authors: Saran Keeratihattayakorn, Pairat Tangpornprasert, Warich Prasongcharoen, Chanyaphan Virulsri

Published in: The International Journal of Advanced Manufacturing Technology | Issue 5-6/2020

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Abstract

In manufacturing of femoral head prostheses, the roundness of the femoral head is important. In order to reduce out-of-roundness when machining with a conventional CNC machine, a compensation technique with a fast tool servo was developed. The fast tool servo with piezoelectric actuator was fabricated and installed on a conventional CNC machine, and a compensation technique was implemented to compensate for the out-of-roundness. The profiles of machined femoral heads were analyzed and used to develop a representative profile. The experiment was conducted to confirm the prior statistical analysis. The results show that the compensation technique reduced the out-of-roundness of femoral head prostheses to 4.04 ± 0.54 μm.

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Literature
Metadata
Title
Out-of-roundness compensation technique in machining of femoral head prosthesis using conventional CNC machine
Authors
Saran Keeratihattayakorn
Pairat Tangpornprasert
Warich Prasongcharoen
Chanyaphan Virulsri
Publication date
23-03-2020
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 5-6/2020
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-020-05149-5

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