声发射监测钻头折断的实验研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1992, Vol. 13 ›› Issue (4): 196-202.

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AN EXPERIMENTAL STUDY ON IN-PROCESS MONITORING DRILL SNAP USING ACOUSTIC EMISSION SIGNALS

Zhang CHun-jiang¹, Chen Xiao-ming²

1. Faculty 1003 of Northwestern Polytechnical University, Xi'an, 710072;2. Beijing Aeronautical Manufacturing Technology Research Institute, Beijing, 100095

Received:1990-05-28 Revised:1991-01-02 Online:1992-04-25 Published:1992-04-25

Abstract

Abstract: An abundance of acoustic emission (AE) is emitted in metal cutting process. The utilization of AE signal analysis for in-process monitoring tool breakage is a newly developed technique of great potentialities. The application of AE technique to monitoring of twist drill snap has been studied in this paper. The results of experiments show that the monitoring system is reliably capable of detecting drill snap, and can be used to predict the snap of drills with diameter of 1.5mm and over. No misinformation of drill snap occurred, and not a warning of drill snap was ignored.

Key words: drilling, drill breakage, acoustic emission, in-process detection

Zhang CHun-jiang;Chen Xiao-ming. AN EXPERIMENTAL STUDY ON IN-PROCESS MONITORING DRILL SNAP USING ACOUSTIC EMISSION SIGNALS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1992, 13(4): 196-202.

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AN EXPERIMENTAL STUDY ON IN-PROCESS MONITORING DRILL SNAP USING ACOUSTIC EMISSION SIGNALS

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