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An effective system for monitoring the wear of the machine tool inserts could significantly contribute to saving costs in manufacturing. One of the most recent and popular of effective monitoring methods revolves around the use of sensing technologies for indirect estimation of tool wear. The sensory information is difficult to collect from machine tools due to the extremely poor signal-to-noise ratio...
Temperature fields in the region of the temperature sensors are simulated. Two versions of the sensors placement relative to the heat transfer agent are analyzed. It is established that in the case of sinking the sensor with the bushing into the heat-transfer agent flow the sensor and the part of the surface of the wall of pipe must be covered with thermal insulation. In this case the temperature...
Many complex and expensive mechanical systems exist, and their possibilities in many cases can be enhanced using modern electronics. An optic submicrometer range displacement measurement system can be used as an example. Submicrometer displacement measurements are mainly based on interferometric and correlation methods. Implementing interferometric methods in most cases is sophisticated, because of...
Barkhausen emission is well known phenomena used in non-destructive testing techniques of ferromagnetic materials. Weaknesses of the methods based on Barkhausen emission are related to difficulties of ensuring measurement reproducibility because of specimen influence upon measurement channel. In this paper we propose method of sensor calibration prior to measurement. To implement sensor calibration...
Air flow measurements are very important in technological processes. When using well-known air flow measurement methods we face the problems of measuring under big pressures, the high or variable temperature airflow. New airflow measurement method is suggested. The method is based on the flow interaction with the end of a fibrous waveguide located in the flow. The result of this interaction shows...
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