Analysis of the Direction-Dependent Point Identification Accuracy in CMM Measurement

Mazur, Tomasz; Rucki, Mirosław; Jakubowicz, Michał; Čepová, Lenka

doi:10.1007/978-3-031-03925-6_5

Cited by 1 publication

(3 citation statements)

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“…The first rotation was around the z-axis by angle α, and the second rotation around the x-axis by angle β, as it is shown in Figure 3. Thus, the first partial transformation, as shown in Figure 3b, can be described by the matrix Az, as follows [28]:…”

Section: Computationsmentioning

confidence: 99%

“…The second partial transformation, as shown in Figure 3c, corresponds with the matrix Ax, as follows: Thus, the first partial transformation, as shown in Figure 3b, can be described by the matrix A z , as follows [28]:…”

Section: Computationsmentioning

confidence: 99%

“…These were: direction of the point contact determined by the angle β, probe ball tip diameter, and the roughness of the measured surface. The identification accuracy was analyzed in terms of the position accuracy (AP) vector [28]. The AP parameter was used according to the definition given in the standard PN-ISO 9283: 2003, and found to be very useful in the case of the accuracy analysis of industrial robots [29].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of the Planar Point Identification Accuracy in CMM Measurements

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et al. 2022

Sensors

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The paper presents the results of the investigations on the direction-dependent accuracy of the point identification during contact probe measurements with a coordinate measuring machine (CMM). Considering the contact point identified by an orthogonal to the surface probe movement, the transformation of coordinates was made in order to calculate the displacement of the measured point. As a result, the positioning accuracy was estimated in three axes. The experiments demonstrated a strong dependence of the displacement on the declination angle. Moreover, it was found that the directional surface texture which provided different roughness in perpendicular directions, had an impact on the positioning accuracy.

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Section: Computationsmentioning

confidence: 99%

Section: Computationsmentioning

confidence: 99%