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Appl. Sci. 2017, 7(4), 420; doi:10.3390/app7040420

Operational Temperature Effect on Positioning Accuracy of a Single-Axial Moving Carrier

1
Graduate Institute of Precision Manufacturing, National Chin-Yi University of Technology, Taichung 41170, Taiwan
2
Department of Refrigeration, Air-Conditioning and Energy Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan
3
Industrial Technology Research Institute, Intelligent Machinery Technology Center, Taichung 40768, Taiwan
4
Department of Refrigeration and Air Conditioning Engineering, Politeknik Negeri Bandung, Bandung 40559, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editors: Chien-Hung Liu and Huei-Chu Weng
Received: 29 December 2016 / Revised: 13 April 2017 / Accepted: 17 April 2017 / Published: 20 April 2017
(This article belongs to the Special Issue Selected Papers from the 2016 International Conference on Inventions)
View Full-Text   |   Download PDF [2684 KB, uploaded 20 April 2017]   |  

Abstract

This study investigated the ambient environmental temperature effect on the positioning accuracy of a periodically-moving carrier. The moving carrier was operated in an environmental chamber in which the operational temperature could be controlled by an air conditioning system. Different operational temperature modes, including a stable environment, a rise in temperature, a decline in temperature, summer daytime hours, and winter nighttime hours in terms of seasonal climate change in Taiwan, were generated within the environmental chamber by an air conditioning system to investigate the operational temperature’s effect on positioning accuracy. From the experimental measurements of a periodically-moving carrier, it is found that the operational temperature conditions can significantly affect the positioning accuracy of the moving carrier, especially in the case of an operational temperature decline. Under stable operational conditions, the positioning accuracy of the moving carrier can be considerably improved. In comparison to the case of an operational temperature decline, the positioning accuracy improvement can reach 29.6%. Moreover, the effect of the temperature distributions within the chamber on the positioning accuracy was further investigated. It was found that, with a parallel flow pattern in the chamber, the positioning accuracy can be further enhanced. View Full-Text
Keywords: positioning accuracy; environmental temperature; machine tool; environmental chamber positioning accuracy; environmental temperature; machine tool; environmental chamber
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MDPI and ACS Style

Li, K.-Y.; Luo, W.-J.; Huang, J.-Z.; Chan, Y.-C.; Pratikto; Faridah, D. Operational Temperature Effect on Positioning Accuracy of a Single-Axial Moving Carrier. Appl. Sci. 2017, 7, 420.

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