Effects of Actively Cooled Coolant for Grinding Brittle Materials

Abstract:

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To solve the problem associated with the cryogenic cooling approach and the one with the chilled air approach, an actively cooled coolant approach is proposed and examined. The proposed cooling system is also able to reduce the time period to reach the equilibrium state to enhance productivity. An active cooling prototype was developed that utilizes a compact air conditioner design, which is easy to use, movable, and can be easily fitted into different type of machine designs with relatively low costs. The system is based on the use of forced convection of the heat generated during the machining process. Experimental and computational studies of the effects of actively cooled coolant for grinding brittle materials are carried out. The experimental results show that the use of actively cooled coolant is able to improve surface quality for up to 13.1% on average in terms of surface roughness Ra. The results of optical and SEM examinations confirmed that the proposed approach is advantageous. Computational testing results show that the heat can be taken away more effectively by using the proposed approach.

Info:

Periodical:

Key Engineering Materials (Volumes 291-292)

Edited by:

Yury M. Baron, Jun'ichi Tamaki and Tsunemoto Kuriyagawa

Pages:

233-238

DOI:

10.4028/www.scientific.net/KEM.291-292.233

Citation:

Y. Gao et al., "Effects of Actively Cooled Coolant for Grinding Brittle Materials", Key Engineering Materials, Vols. 291-292, pp. 233-238, 2005

Online since:

August 2005

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Price:

$35.00

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