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IJAT Vol.18 No.1 pp. 77-83
doi: 10.20965/ijat.2024.p0077
(2024)

Research Paper:

Roundness Profile Measurement Using a Combination Method of Three-Point Method for Roundness Profile Measurement and Integration Method for Straightness Profile Measurement

Eiki Okuyama and Takato Fukuda

Department of Mechanical Engineering, Akita University
1-1 Tegatagakuen-machi, Akita-shi, Akita 010-8502, Japan

Corresponding author

Received:
May 31, 2023
Accepted:
September 7, 2023
Published:
January 5, 2024
Keywords:
roundness profile measurement, three-point method, integration method, error separation technique, software datum
Abstract

A three-point method has been used to separate the roundness profile of a workpiece and radial motions of a turntable. First, weighted addition is used to extract the roundness profile, and then, inverse filtering is used to recover the original roundness profile. The three-point method works well in the low spatial frequency domain. However, in the high spatial frequency domain, the setting angle error of the sensor causes a large deflection of the transfer function. Therefore, a combination method of the three-point method for roundness profile measurement and an integration method for the straightness profile measurement is proposed. The three-point method for roundness profile measurement is used to estimate low spatial frequency domain and the integration method for straightness profile measurement is used to estimate the high spatial frequency domain. Experimental results showed that the standard deviation of the combination method was smaller than that of the three-point method for most positions.

Cite this article as:
E. Okuyama and T. Fukuda, “Roundness Profile Measurement Using a Combination Method of Three-Point Method for Roundness Profile Measurement and Integration Method for Straightness Profile Measurement,” Int. J. Automation Technol., Vol.18 No.1, pp. 77-83, 2024.
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Last updated on Feb. 19, 2024