The selection of radius correction method in the case of coordinate measurements applicable for turbine blades

Kawalec, Andrzej; Magdziak, Marek

doi:10.1016/j.precisioneng.2017.02.012

Cited by 20 publications

(19 citation statements)

References 33 publications

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“…an applied measurement strategy. A measurement strategy in the coordinate measuring technique may include, for example, specific methods of a probe radius correction process [1] and localization of measured points [2,3]. The distribution of measured points is one of the fundamental steps which should be taken into account at the beginning of coordinate measurements.…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Selected Algorithms of Form Deviation Calculation

2018

Teh. vjesn.

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The article concerns the verification of accuracy of selected algorithms of form deviation evaluation. The paper presents the results of experimental investigations concerning coordinate measurements of products composed of free-form surfaces, which are characterized by various degrees of geometric complexity. The experimental investigations were conducted with the use of the method of form deviation estimation which is based on the Lagrange interpolation of measured points and two additional algorithms available in the Calypso software, which cooperates with a coordinate measuring machine. Moreover, the experimental research was performed by using of the coordinate measuring machine ACCURA II equipped with the scanning probe VAST XT. Based on the analysis of gained results of coordinate measurements the method of form deviation calculation which uses the Lagrange interpolation of measured points in order to calculate an actual curve achieved better results than one of the analysed algorithms of the Calypso inspection software.

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Section: Introductionmentioning

confidence: 99%

A Comparison of Selected Algorithms of Form Deviation Calculation

2018

Teh. vjesn.

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“…One of the latest research in the area of 5-axis milling was carried out by Ozturk, Budak et al [4][5][6] and Erdim and Lazoglu et al [7,8]. These studies concerned an analytical modeling of the cut layer geometry and they obtained data that were later used to predict the cutting force and optimize the 5-axis milling process.…”

Section: Introductionmentioning

confidence: 99%

“…Actually, since the cut geometry with ball-end cutters always occurs on a spherical cap, the cut geometry does not vary as a function of tool axis orientation in 5-axis milling. The influences of the tool axis orientation on the engagement parameters when using ball-end cutters have been investigated [4][5][6][12][13][14], but this effect has not been investigated using a toroidal cutter [10], [15,16].…”

Section: Introductionmentioning

confidence: 99%

Cutting layer and cutting forces in a 5-axis milling of sculptured surfaces using the toroidal cutter

Gdula

Burek

2017

Journal of Machine Engineering

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The purpose of this article was to evaluate the significance of the influence of five- axis orientation parameters of a toroidal cutter axis and the geometrical parameters of the machined sculptured surface on the intersection of the cut layer in a 5-axis machining. An impact assessment was performed by simulating concave-convex and convex-concave surfaces using a discrete method of direct transformation in a CAD environment. It was shown that only the radius of curvature of the surface in the feed direction and the angle of the tool axis affected the change in the intersection of the cutting layer. Subsequently, experimental tests were conducted that aimed at determining the mathematical models of the influence of these important parameters on the components of the cutting force. The object of the experimental studies was a convex and concave surface of a turbine blade of Inconel 718 alloy. The R300-016B20L-08L Sandvik Coromant toroid cutter was used for the tests. Based on the results of the study it was found that the lead angle in the machining of the convex surface and concave turbine blade should be continuously varied with the change of radius of curvature in the direction of the machined surface profile

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“…the geometrical accuracy of a used coordinate measuring machine and the accuracy of the algorithms included in the metrological software which cooperates with coordinate measuring systems. The measurement software of measuring systems may include, for example, the various methods of probe radius correction process used in order to calculate the coordinates of corrected measured points [2,3], the different algorithms of the distribution of points [4][5][6] or the various methods of the best fit of measured data to nominal one [7].…”

Section: Introductionmentioning

confidence: 99%

The Calculation of the Nominal Data of a Turbine Blade with the Use of CAD Software

Magdziak

2015

MATEC Web of Conferences

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Abstract. In the article there was presented the comparison of the nominal data of a selected turbine blade which were calculated by using of both the measurement software Blade Pro -cooperating with, for example, coordinate measuring machines -and the computer aided design software CATIA. The comparison of the nominal data of the chosen workpiece was conducted in order to perform the analysis of the possibility of using the software CATIA in the case of the measurement application which is usually conducted by means of the coordinate measuring technique. The nominal data in the case of the two analyzed software packages concern the selected measurement characteristics of a turbine blade. The correct calculations of the nominal data have direct influence on the results of the real coordinate measurements of a turbine blade.

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The selection of radius correction method in the case of coordinate measurements applicable for turbine blades

Cited by 20 publications

References 33 publications

A Comparison of Selected Algorithms of Form Deviation Calculation

A Comparison of Selected Algorithms of Form Deviation Calculation

Cutting layer and cutting forces in a 5-axis milling of sculptured surfaces using the toroidal cutter

The Calculation of the Nominal Data of a Turbine Blade with the Use of CAD Software

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