Cutting Mechanism Study on Technology in Near-Dry Deep-Hole Drilling


Article Preview

Near-dry deep hole processing technology is a kind of technology which dry cutting technology is applied to deep hole processing to save energy and decrease environmental pollution. In this paper, the structure and work principle of near-dry deep-hole drilling system were introduced and the cutting mechanism of near-dry deep-hole drilling was analyzed which include the mechanism of cutting fluid atomization and flow, the mechanism of atomized cutting fluid cool and lubricate, and the mechanism of separating chips into short pieces and discharge chips by air stream, etc. The mathematical mode of gas-liquid two-phase flow of atomized cutting fluid in drilling shaft and the cooling and lubrication mechanism of the capillary in cutting zone were introduced. It is found that near-dry deep hole processing has better cooling and lubrication effect through experiments.



Edited by:

Bo Zhao, Guanglin Wang, Wei Ma, Zhibo Yang and Yanyan Yan




P. Hai and H.X. Wei, "Cutting Mechanism Study on Technology in Near-Dry Deep-Hole Drilling", Key Engineering Materials, Vol. 455, pp. 251-256, 2011

Online since:

December 2010





[1] S.Y. Bo: Two-Phase Flow (National Defense Industry Press, China 1985).

[2] Z.H. Lin: Gas-Liquid Two-Phase Flow Characteristics and its Application in pipeline (Xian Jiao tong University Press, China 1992).

[3] J.Y. Liu: Operating Mechanism and Empirical Analysis of Water Vapor on the Green Cooling and Lubrication Base (Harbin Institute of Technology Press, China 2005).

[4] M. Lahres, O. Doerfel and R. Neumuller: Surface and coatings Technology, (1999), pp.120-121.