<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A method for surface analysis of cold rolled sheets is proposed in this paper. The approach is based on a low-cost specially built camera system followed by spectral analysis of the data captured from metal surfaces. The focus is on the changes in the surface topography caused by cold rolling with emphasis towards periodicities in the processed surface. Angular profile of the spectrum is calculated and used to display periodicities in surface topography and show their direction. The results obtained by using the proposed system were compared with results obtained from the optical profilometer MicroProf FRT. The experiments show that cold rolling creates marks on the surface of the material, which represent periodicities that can be effectively detected by the proposed method and camera system. Even though the camera system is not able to measure precise surface roughness, it is able to detect periodicities and the results of spectral analysis are comparable with the results from the optical profilometer.</p></abstract>

A method for surface analysis of cold rolled sheets is proposed in this paper. The approach is based on a low-cost specially built camera system followed by spectral analysis of the data captured from metal surfaces. The focus is on the changes in the surface topography caused by cold rolling with emphasis towards periodicities in the processed surface. Angular profile of the spectrum is calculated and used to display periodicities in surface topography and show their direction. The results obtained by using the proposed system were compared with results obtained from the optical profilometer MicroProf FRT. The experiments show that cold rolling creates marks on the surface of the material, which represent periodicities that can be effectively detected by the proposed method and camera system. Even though the camera system is not able to measure precise surface roughness, it is able to detect periodicities and the results of spectral analysis are comparable with the results from the optical profilometer.

Analysis of Periodicities in Surface Topography of Cold rolled sheets Using Data Captured by Camera System

Department of Control Systems and Instrumentation, Faculty of Mechanical Engineering

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A method for surface analysis of cold rolled sheets is proposed in this paper. The approach is based on a low-cost specially built camera system followed by...

Analysis of Periodicities in Surface Topography of Cold rolled sheets Using Data Captured by Camera System

Published Online: Jul 24, 2020

Page range: 145 - 149

Received: Jan 24, 2020

Accepted: Jul 06, 2020

DOI: https://doi.org/10.2478/msr-2020-0017

Keywords
Surface analysis, cold rolling, optical profilometer, camera system, periodicities

© 2020 Jaromir Zavadil et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Analysis of Periodicities in Surface Topography of Cold rolled sheets Using Data Captured by Camera System

Published Online: Jul 24, 2020

Page range: 145 - 149

Received: Jan 24, 2020

Accepted: Jul 06, 2020

DOI: https://doi.org/10.2478/msr-2020-0017

KeywordsSurface analysis, cold rolling, optical profilometer, camera system, periodicities

© 2020 Jaromir Zavadil et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Surface analysis, cold rolling, optical profilometer, camera system, periodicities