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6
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vol 67 / May, 2024
Article

DOI 10.17586/0021-3454-2023-66-8-671-679

UDC 681.142.37

DIGITAL OPTOELECTRONIC MEASURING DEVICE FOR MONITORING LARGE-SIZED SHELLS OF REVOLUTION

A. N. Shilin
Volgograd State Technical University, Department of Electrical Engineering; Professor; Head of the Department


A. A. Shilin
Volgograd State Technical University, Department of Electrical Engineering; Head of the Department


R. G. Atamaniuk
Volgograd State Technical University, Department of Electrical Engineering;


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Reference for citation: Shilin А. N., Shilin А. А., Atamaniuk R. G. Digital optoelectronic measuring device for monitoring large-sized shells of revolution. Journal of Instrument Engineering. 2023. Vol. 66, N 8. P. 671—679 (in Russian). DOI: 10.17586/0021-3454-2023-66-8-671-679.

Abstract. Shells of revolution, such as barrels, are the main basic parts of aerospace, petrochemical, and power equipment. The shells are made from sheet material on roller bending machines. The quality of products depends on the technological accuracy of manufacturing basic parts. The technological tolerance for the shell diameter is 1%, however, the existing control tools do not provide the required accuracy. An optoelectronic measuring device is developed to control the shell dimensions during its manufacture; the device contains a microcontroller and measuring transducers of the angular position of the workpiece edge relative to the optical axis, the part temperature and its distance from the device. A digital camera is used as a workpiece edge position transducer, and the temperature is measured using a pyrometer. In the process of the part manufacturing, the optical-electronic device measures the deviation of the diameter from the nominal size and temperature of the part, and then, with the help of a microcontroller, brings the measurement result to normal temperature conditions.
Keywords: control of large parts, optoelectronic devices, pyrometers, microcontrollers, rangefinders

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