3507 1軸駆動ユニット試験機で発生する音とAEに関する研究(S65 加工計測・評価システム,S65 加工計測・評価システム)

概要

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This paper describes the measurement result of the sound, vibration, the ultrasonic wave, and AE signal generated in 1 axis drive unit testing machine for SMD (Surface Mount Device), especially an axle bearing. The following thing became clear in this research. 1) Correlation is shown in the output signal and speed diagram of the acceleration sensor and AE sensor in a segment of time. In the first transit state of LM block, both signals also become large, and it becomes small in the late transit state. 2) In the output signal of AE sensor, it returns with to and from of LM block, the from is larger, and the change at the time of uniform velocity is detected. 3) Unique AE signal is in 300kHz, 600kHz, and a 1MHz zone region.
社団法人日本機械学会の論文
2007-09-07