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Appl. Sci. 2017, 7(4), 332; doi:10.3390/app7040332

An Independent Internal Cooling System for Promoting Heat Dissipation during Dry Cutting with Numerical and Experimental Verification

1
School of Aerospace Engineering, Xiamen University, Xiamen 361005, Fujian, China
2
School of Mechanical and Electrical Engineering, Henan University of Technology, Zhengzhou 450007, Henan, China
*
Author to whom correspondence should be addressed.
Academic Editor: Yulong Ding
Received: 26 December 2016 / Revised: 6 March 2017 / Accepted: 23 March 2017 / Published: 28 March 2017
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Abstract

The cooling system has emerged as an effective way to alleviate the excessive heat generation during dry cutting processes. In this paper, we investigated a novel type of internal cooling system, independent of additional mechanical accessories, as a promising cooling alternative. The proposed system is devised as connected internal fluid channels of a-“V” shape created according to the geometric shape of the tool-holder. Enabling quantitative evaluation of the effectiveness of the proposed system, a new numerical approach is established. Within the approach, heat transfer equations are deduced according to thermodynamics; parameters of the equations are specified via analytical modeling. As a result, cutting temperatures can be estimated with high precision according to the outlet temperature. Moreover, a cutting experiment was carried out to verify the effectiveness of the proposed numerical approach. Tool-chip interface temperatures were measured using an infrared thermal imager. Smooth measurements with suppressed noises are derived based on a new adaptive mean filter originated by empirical mode decomposition (EMD). The experimental results demonstrate the proposed system can reduce the temperature substantially (almost 30% at the measuring point) and the results are highly consistent with those of numerical simulation. The proposed cooling system is a prospective enhancement for development of smart cutting tools. View Full-Text
Keywords: indirect cooling systems (ICS); internal fluid channel; dry cutting; enhanced heat transfer indirect cooling systems (ICS); internal fluid channel; dry cutting; enhanced heat transfer
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yao, B.; Sun, W.; Chen, B.; Yu, X.; He, Y.; Feng, W.; Wang, S. An Independent Internal Cooling System for Promoting Heat Dissipation during Dry Cutting with Numerical and Experimental Verification. Appl. Sci. 2017, 7, 332.

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