Experimental Studies of a Precision Tool Setting Method for Micro Tool Based on the Principle of Electric Breakdown in Micro Gap

Zhi Yao Xu; Zhi Jing Zhang; Xin Jin; Yong Jun Deng

doi:10.4028/www.scientific.net/AMM.633-634.647

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 633-634Experimental Studies of a Precision Tool Setting...

Experimental Studies of a Precision Tool Setting Method for Micro Tool Based on the Principle of Electric Breakdown in Micro Gap

Abstract:

The accuracy of tool setting has a great influence on the machining accuracy of micro structures. In this paper, electric breakdown in micro gap is used for tool setting and the accuracy of this method is ±0.2μm. Experimental studies have been done to prove the feasibility of this method. Experimental results show that the breakdown voltage is about 30V when the gap between the tool and the tool setting probe is 2μm, and tool diameter has little effect on this phenomenon. With the increase of the tool wear the breakdown voltage shows ascendant trend, so this method can be used to monitor tool wear.

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Periodical:

Applied Mechanics and Materials (Volumes 633-634)

Pages:

647-653

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.633-634.647

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Online since:

September 2014

Authors:

Zhi Yao Xu, Zhi Jing Zhang*, Xin Jin, Yong Jun Deng

Keywords:

Electrical Breakdown, High Precision, Micro Tool, Non-Contact Tool Setting

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* - Corresponding Author

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